CN110613350A

CN110613350A - Beverage extraction device

Info

Publication number: CN110613350A
Application number: CN201810627585.8A
Authority: CN
Inventors: 刘宗熹
Original assignee: GINO CREATION CO Ltd
Current assignee: GINO CREATION CO Ltd
Priority date: 2018-06-19
Filing date: 2018-06-19
Publication date: 2019-12-27

Abstract

The invention relates to a beverage extraction device. The device comprises a filter cup assembly and a brewing mechanism. The filter cup assembly comprises an outer filter cup and an inner filter cup, wherein an outlet is formed in the bottom of an outer cup body of the outer filter cup, a check valve is arranged at the outlet, a filter screen is arranged at the bottom of an inner cup body of the inner filter cup, a steam inlet is formed in the top of the inner cup body, the inner cup body of the inner filter cup is arranged in the outer cup body of the outer filter cup, a gap is formed between the inner cup body and the outer cup body, and a steam diffusion outlet is formed between the inner cup body and the outer cup body. The brewing mechanism comprises a cup placing frame, a panel seat and a control mechanism, the filter cup combination can be placed in the cup placing frame, the panel seat is arranged above the cup placing frame, a soup steam outlet, a stirring steam inlet and an exhaust outlet are arranged on the panel seat, and the control mechanism is connected with the cup placing frame and used for controlling the lifting of the cup placing frame so as to enable the top of the filter cup combination to be sealed and opened. Therefore, the beverage extraction effect is better, the beverage is more intense, the operation is simple, and the price is low.

Description

Beverage extraction device

Technical Field

The invention relates to a beverage extraction device, in particular to a beverage extraction device which is suitable for brewing and extracting various food materials.

Background

The traditional siphon coffee pot heats water in a flask below the pot, presses boiling water into an upper layer through a glass tube by using the vapor pressure of the boiling water to cook coffee, absorbs the brewed coffee on the upper layer through a lower layer in a similar vacuum state after cooling, and filters coffee grounds through a middle filter cloth, so that the coffee aroma brewed by the siphon coffee pot is incomparable with ground coffee brewed by a machine. The traditional siphon coffee pot has the defects of troublesome operation and needing to be experienced to brew good coffee.

Another semi-automatic siphon coffee machine is to use a machine to perform water feeding operation, and to send steam into the machine to pressurize and send water to the brewing pot above, and then to manually place the coffee powder seat to start brewing operation. Then the pressure is released, the bottom pot loses pressure and the liquid in the upper pot is pumped back, thus completing the standard siphon boiling method, and the coffee can be taken after the valve port of the lower pot is removed. The semi-automatic siphon coffee machine has the defects of high price and troublesome operation.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide a beverage extraction device, which can perform brewing, reheating and stirring, and has better beverage extraction effect, stronger beverage, simple operation and lower cost.

In order to solve the above technical problem, the present invention provides a beverage extraction device, including: a filter cup assembly, the filter cup assembly comprising an outer filter cup and an inner filter cup, the outer filter cup having an outer cup body, the top of the outer cup body forming a first upper edge, the bottom of the outer cup body having an outlet, the outlet having a check valve, the check valve being openable when the interior of the filter cup assembly reaches a predetermined vapor pressure, the inner filter cup having an inner cup body, the top of the inner cup body forming a second upper edge, the bottom of the inner cup body having a filter screen, the top of the inner cup body having a vapor inlet, the inner cup body of the inner filter cup being disposed within the outer cup body of the outer filter cup, the second upper edge being stacked on the first upper edge, a gap being formed between the inner cup body and the outer cup body, a vapor diffusion outlet being disposed between the inner cup body and the outer cup body, the vapor diffusion outlet being in communication with the vapor inlet; and the brewing mechanism comprises a cup holder, a panel seat and a control mechanism, the cup holder can be placed in the cup holder, the first upper edge of the outer cup is placed on the cup holder, the panel seat is arranged above the cup holder, the panel seat is provided with a soup steam outlet, a stirring steam inlet and an exhaust outlet, the soup steam outlet, the stirring steam inlet and the exhaust outlet are communicated with the inside of the cup holder assembly, the stirring steam inlet corresponds to the steam inlet of the inner cup, and the control mechanism is connected with the cup holder and is used for controlling the cup holder to lift so as to seal and open the top of the cup holder assembly.

Preferably, the first upper edge protrudes out of the outer edge of the outer cup body, the first upper edge is horizontally arranged at the top of the outer cup body in a ring manner, the second upper edge protrudes out of the outer edge of the inner cup body, and the second upper edge is horizontally arranged at the top of the inner cup body in a ring manner.

Preferably, the check valve includes a valve body, an elastic member and a sealing member, a channel is disposed through the valve body, the elastic member and the sealing member are disposed in the channel, and the elastic member abuts against the sealing member, so that the sealing member elastically seals the channel.

Preferably, the upper half part and the lower half part of the channel form different inner diameters, the inner diameter of the upper half part of the channel is smaller than that of the lower half part of the channel, the elastic element and the closing element are arranged on the lower half part of the channel, and the elastic element abuts against the closing element, so that the closing element elastically closes the bottom of the upper half part of the channel.

Preferably, a first airtight rubber ring is arranged at the bottom of the second upper edge of the inner filter cup and located between the second upper edge and the first upper edge, and a second airtight rubber ring is arranged at the top of the second upper edge of the inner filter cup and located between the second upper edge and the panel base.

Preferably, the soup steam outlet inlet is connected to a hot water solenoid valve and a soup steam outlet solenoid valve, the soup steam outlet inlet can be connected to the boiler hot water pipe through the hot water solenoid valve for delivering hot water to the soup steam outlet, the soup steam outlet can be connected to the boiler steam pipe through the soup steam outlet solenoid valve for delivering steam to the soup steam outlet, the stirring steam inlet is connected to a stirring steam solenoid valve, the stirring steam inlet can be connected to the boiler steam pipe through the stirring steam solenoid valve for delivering stirring steam to the stirring steam inlet, the exhaust outlet is connected to an exhaust solenoid valve, and when the exhaust solenoid valve is opened, exhaust can be performed through the exhaust outlet.

Preferably, the control mechanism comprises a support frame, two connecting rod sets, a control rod and a plurality of cams, the cup holder is arranged on the support frame in a lifting manner, the two connecting rod sets are arranged between the control rod and the cams, the cams abut against the cup holder, the control rod can drive the two connecting rod sets to drive the cams to rotate, the cams push the cup holder to ascend, and the top of the filter cup assembly is made to cling to the panel seat.

Preferably, the supporting frame has two side plates, the two side plates are spaced apart from each other, the cup holder is disposed between the two side plates of the supporting frame, and a guiding mechanism is disposed between the cup holder and the supporting frame for guiding the cup holder to move up and down.

Preferably, the two link assemblies are respectively disposed on the two side plates of the supporting frame, the link assembly includes a front link, a middle link and a rear link, the upper ends of the front link and the rear link are respectively pivoted to the side plates by a front rotating shaft and a rear rotating shaft, the two ends of the middle link are respectively pivoted to the lower ends of the front link and the rear link, the control rod is connected to the two link assemblies, the plurality of cams are respectively connected to the plurality of front rotating shafts and the plurality of rear rotating shafts, and the plurality of cams can synchronously rotate with the plurality of front rotating shafts and the plurality of rear rotating shafts.

Preferably, the filter screen assembly is arranged at the bottom of the inner cup body.

The invention has the beneficial effects that:

the beverage extraction device comprises a filter cup combination and a brewing mechanism, wherein the filter cup combination is provided with a steam inlet, a steam diffusion outlet and a filter screen, and the outlet of the filter cup combination is provided with a check valve. Therefore, the soup outlet steam inlet of the brewing mechanism can spray quantitative hot water to the drink food materials in the filter cup assembly. The steam can move downwards from the stirring steam inlet and the steam inlet through the steam diffusion outlet and then upwards enters the cup through the filter screen, the steam entering the cup can have secondary heating and stirring effects, the beverage extraction effect is better, and multi-section brewing and soaking procedures can be performed, so that the beverage is stronger. The steam can be input into the interior of the filter cup combination through the soup steam outlet, and when the steam pressure in the interior of the filter cup combination is greater than a preset value, the check valve is immediately opened to output soup, so that a complex soup discharging control mechanism is not required to be arranged, the structure can be simplified, the operation is simple, and the price is lower and lower. In addition, the control mechanism controls the cup holder to lift, the cup holder can drive the filter cup assembly to lift, so that the top of the filter cup assembly is tightly attached to the panel seat to achieve the sealing effect, an upper cover is not needed to seal the top of the filter cup assembly, and the structure can be simplified.

For a better understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention, which is to be read in connection with the accompanying drawings, which are provided for purposes of illustration and description and are not intended to be limiting.

Drawings

FIG. 1 is a perspective view of a beverage extraction device of the present invention;

FIG. 2 is a perspective view of another angle of the beverage extraction device of the present invention;

FIG. 3 is a perspective view of the filter bowl assembly of the present invention;

FIG. 4 is a perspective view of another angle of the present invention filter bowl assembly;

FIG. 5 is a cross-sectional view of the bowl assembly of the present invention;

FIG. 6 is a perspective view of the cup holder and control mechanism of the present invention;

FIG. 7 is a side view of a portion of the brewing mechanism of the present invention;

FIG. 8 is a side view of another state of the brewing mechanism of the present invention in a partially constructed configuration;

FIG. 9 is a schematic view (one) of the beverage extraction device of the present invention in use;

FIG. 10 is a schematic view of the beverage extraction device according to the present invention in use (II);

FIG. 11 is a schematic view (III) of the beverage extraction device of the present invention in use;

FIG. 12 is a perspective view of another embodiment of the bowl assembly of the present invention.

Detailed Description

[ first embodiment ]

Referring to fig. 1 and 2, the present invention provides a beverage extraction device, which includes a filter bowl assembly 100 and a brewing mechanism 200, wherein the filter bowl assembly 100 includes an outer filter bowl 1 and an inner filter bowl 2 (as shown in fig. 3 to 5).

The outer filter cup 1 has an outer cup 11 with an open top, the outer cup 11 is preferably but not limited to be circular, the top of the outer cup 11 forms a first upper edge 12, the first upper edge 12 can protrude out of the outer edge of the outer cup 11, the first upper edge 12 can be horizontally arranged on the top of the outer cup 11, and the first upper edge 12 can also be conical. The bottom of the outer cup 11 has an outlet 13, the outlet 13 is provided with a check valve 14, the check valve 14 is closed under normal pressure, when the inside of the filter cup assembly 100 reaches a predetermined steam pressure, the check valve 14 can be opened to discharge soup.

The structure of the check valve 14 is not limited, in this embodiment, the check valve 14 includes a valve body 141, an elastic member 142 and a sealing member 143 (as shown in fig. 5), a channel 144 is formed in the valve body 141, the channel 144 can extend from the top to the bottom of the valve body 141, and the channel 144 can be used for discharging tea soup or coffee liquid. The elastic element 142 and the closing element 143 are disposed in the channel 144, and the elastic element 142 abuts against the closing element 143, so that the closing element 143 elastically closes the channel 144. In the present embodiment, the upper half portion and the lower half portion of the channel 144 form different inner diameters, the inner diameter of the upper half portion of the channel 144 is smaller than the inner diameter of the lower half portion of the channel 144, the elastic element 142 and the sealing element 143 are disposed on the lower half portion of the channel 144, and the elastic element 142 abuts against the sealing element 143, so that the sealing element 143 elastically seals the bottom of the upper half portion of the channel 144. When the predetermined steam pressure inside the filter cup assembly 100 is higher than the elastic force of the elastic member 142, the steam pressure pushes the closing member 143 to move downward, and the passage 144 is opened, so that the check valve 14 is opened to discharge the soup.

The inner filter cup 2 has an inner cup body 21 with an opening at the top and bottom, the inner cup body 21 is preferably but not limited to be circular, the top of the inner cup body 21 forms a second upper edge 22, the second upper edge 22 can protrude out of the outer edge of the inner cup body 21, the second upper edge 22 can be horizontally arranged at the top of the inner cup body 21, the second upper edge 22 can also be conical corresponding to the first upper edge 12, and the related matching piece cup holding rack 3 and the panel seat 4 can also be conical correspondingly. The bottom of the inner cup 21 is provided with a strainer 23.

The top of the inner cup 21 is provided with a vapor inlet 25, and the outer edge of the inner cup 21 is provided with a vapor diffusion outlet 26, the vapor diffusion outlet 26 can be recessed in the outer edge of the inner cup 21, the vapor diffusion outlet 26 is communicated with the vapor inlet 25, so that the vapor input from the vapor inlet 25 can be conveyed to the vapor diffusion outlet 26. The vapor diffusion outlet 26 may extend to a position near the bottom of the inner cup 21.

The inner filter bowl 2 can be sleeved into the outer filter bowl 1, and the inner bowl 21 of the inner filter bowl 2 is arranged in the outer bowl 11 of the outer filter bowl 1. A gap 27 is formed between the inner cup 21 and the outer cup 11, and the vapor diffusion outlet 26 is also located between the inner cup 21 and the outer cup 11. The second upper edge 22 overlaps the first upper edge 12, and a first airtight rubber ring 28 may be disposed at the bottom of the second upper edge 22 of the inner filter cup 2, wherein the first airtight rubber ring 28 is located between the second upper edge 22 and the first upper edge 12 for increasing airtightness.

Therefore, steam can be diffused to the periphery from the steam hole inlet 25 of the inner filter cup 2 through the steam diffusion outlet 26, moves downwards along the gap 27 and then upwards enters the inner filter cup 2 through the filter screen 23, and the steam can have the effects of secondary heating and stirring when entering the inner filter cup 2. In another embodiment of the present invention, the vapor diffusion outlet 26 may be recessed in the inner edge (not shown) of the outer cup 11, such that the vapor diffusion outlet 26 is located between the inner cup 21 and the outer cup 11, and the secondary heating and stirring effects are also provided. The steam inlet 25 and the steam diffusion outlet 26 can also input hot water, and also have the effects of secondary heating and stirring.

Referring to fig. 1, 2, 5 to 8, the brewing mechanism 200 includes a cup holder 3, a panel holder 4 and a control mechanism 5. The cup holder 3 can be used to support the combined filter bowl 100, and in this embodiment, the cup holder 3 is a U-shaped holder body, but the shape and structure of the cup holder 3 are not limited. When the cup assembly 100 is placed in the cup holder 3, the first upper edge 12 of the outer cup 1 can be placed on the cup holder 3, and the shape of the cup holder 3 can exactly correspond to the size of the outer cup 1, so that the cup holder 3 can closely bear the cup assembly 100.

The faceplate holder 4 is disposed above the cup holder 3 for selectively covering the cup assembly 100, and a second airtight rubber ring 29 may be disposed on the top of the second upper edge 22 of the inner cup 2, and the second airtight rubber ring 29 is disposed between the second upper edge 22 and the faceplate holder 4 (as shown in fig. 5) for increasing airtightness.

The panel base 4 is provided with a soup steam inlet 41, a stirring steam inlet 42 and an exhaust outlet 43, and the soup steam inlet 41, the stirring steam inlet 42 and the exhaust outlet 43 are communicated with the interior of the filter cup assembly 100. The soup steam inlet 41 is connected to a hot water solenoid valve 44 and a soup steam solenoid valve 45, the soup steam inlet 41 is also a brewing hot water inlet, and the soup steam inlet 41 can be connected to a boiler hot water pipe through the hot water solenoid valve 44 for delivering hot water to the soup steam inlet 41. The soup steam inlet 41 can be connected to the boiler steam pipe through a soup steam solenoid valve 45 for delivering steam to the soup steam inlet 41. The agitation steam inlet 42 is connected to an agitation steam solenoid valve 46, the agitation steam inlet 42 being connectable to the boiler steam pipe via the agitation steam solenoid valve 46 for delivering agitation steam to the agitation steam inlet 42, the agitation steam inlet 42 corresponding to the steam inlet 25 of the inner filter cup 2. The exhaust outlet 43 is connected to an exhaust solenoid valve 47, and exhaust can be performed through the exhaust outlet 43 when the exhaust solenoid valve 47 is opened.

The control mechanism 5 is connected to the cup holder 3 for controlling the elevation of the cup holder 3 so that the top of the cup assembly 100 can be sealed and opened. The structure of the control mechanism 5 is not limited, in this embodiment, the control mechanism 5 may include a support frame 51, two linkage sets 52, a control rod 53 and a plurality of cams 54, the cup holder 3 is disposed on the support frame 51 in a lifting manner, the two linkage sets 52 are disposed between the control rod 53 and the plurality of cams 54, and the plurality of cams 54 abut against the cup holder 3, so that the control rod 53 can drive the two linkage sets 52 to drive the plurality of cams 54 to rotate, so as to push the cup holder 3 to ascend by using the plurality of cams 54, so that the top of the cup assembly 100 is tightly attached to the faceplate holder 4.

In the present embodiment, the supporting frame 51 has two side plates 511, the two side plates 511 are disposed at intervals, the two side plates 511 can be fixed at appropriate positions, for example, can be fixed at the bottom of the panel base 4, the cup holder 3 is disposed between the two side plates 511 of the supporting frame 51, and a guiding mechanism 55 is disposed between the cup holder 3 and the supporting frame 51 for guiding the cup holder 3 to move up and down stably. In this embodiment, the guiding mechanism 55 includes a plurality of guide posts 551 and a plurality of guide slots 552, the plurality of guide posts 551 are disposed on two sides of the cup holder 3, the plurality of guide slots 552 are disposed on two side plates 511 of the supporting frame 51, the plurality of guide slots 552 extend along the ascending and descending direction of the cup holder 3, and the plurality of guide posts 551 are slidably engaged in the plurality of guide slots 552 to guide the cup holder 3 to ascend and descend stably.

The two link sets 52 are respectively disposed on the two side plates 511 of the supporting frame 51, the link set 52 includes a front link 521, a middle link 522 and a rear link 523, upper ends of the front link 521 and the rear link 523 are respectively pivoted to the side plates 511 by a front rotating shaft 524 and a rear rotating shaft 525, so that the front link 521 and the rear link 523 can respectively swing by using the front rotating shaft 524 and the rear rotating shaft 525 as rotating axes, and two ends of the middle link 522 are respectively pivoted to lower ends of the front link 521 and the rear link 523. The control rod 53 is connected to the two linkages 52, that is, the control rod 53 can be connected to the front links 521 of the two linkages 52, so as to drive the two linkages 52 to move through the control rod 53.

The plurality of cams 54 are respectively connected to the plurality of front rotating shafts 524 and the plurality of rear rotating shafts 525, and the plurality of cams 54 can rotate synchronously with the plurality of front rotating shafts 524 and the plurality of rear rotating shafts 525. The plurality of cams 54 abut on the bottom of the cup holder 3 at near both sides. When the user pulls the control lever 53 downwards, the two linkage sets 52 are driven to swing the front link 521 and the rear link 523 of the two linkage sets 52, so as to drive the plurality of cams 54 to rotate, so that the cup holder 3 is pushed to ascend by the plurality of cams 54 (as shown in fig. 8), and the top of the filter cup assembly 100 is tightly attached to the panel base 4, thereby achieving the sealing effect.

When the beverage extraction device is used, a proper amount of food materials (such as coffee powder, tea leaves and the like) can be placed in the inner filter cup 2, the inner filter cup 2 is sleeved into the outer filter cup 1, the filter cup assembly 100 is placed in the cup placing frame 3, after the positioning of the filter cup assembly 100 is confirmed, the control mechanism 5 is used for controlling the cup placing frame 3 to ascend, so that the filter cup assembly 100 is tightly attached to the panel base 4, and the panel base 4 is placed on the filter cup assembly 100 to enable the panel base 4 to be airtight. Then, by pressing the operation key of the beverage extraction device, the automatic control system opens the hot water solenoid valve 44, inputs a certain amount of hot water through the soup steam inlet 41 (as shown in fig. 9), and then closes the hot water solenoid valve 44. When hot water is fed, the air squeezed in the inner filter cup 2 can be discharged from the exhaust outlet 43 and the opened exhaust electromagnetic valve 47, so that the filter cup assembly 100 is in a non-pressure or micro-pressure state, and the check valve 14 can enable the hot water to be left in the cup for soaking. Then, the steam stirring solenoid valve 46 is opened, so that steam enters from the steam stirring inlet 42 and the steam inlet 25 of the inner filter cup 2 (as shown in fig. 10), is diffused to the periphery through the steam diffusion outlet 26, flows downwards along the gap 27 between the inner filter cup and the outer filter cup, flows upwards through the filter screen 23, enters the inner filter cup 2, the squeezed air in the cup is discharged through the opened exhaust solenoid valve 47, and the steam enters the inner filter cup 2 to have the effects of secondary heating and stirring, so that the food materials are easier to extract, and the concentration and the taste are better.

Each brewing program of the beverage can be processed by the automatic control system through the processes of feeding hot water, stirring, soaking, discharging soup and the like for multiple times, for example, 300cc tea is brewed, 100cc tea is firstly soaked in the hot water for 30 seconds, then is stirred for 10 seconds by steam, then is soaked for 20 seconds, tea soup is discharged, then is fed with 100cc hot water for the second time, is soaked for 20 seconds, is stirred for 10 seconds, is soaked for 20 seconds, tea soup is discharged, and is fed with 100cc hot water for the third time, is soaked for 20 seconds, is stirred for 10 seconds, is soaked for 20 seconds, and then is discharged to finish the brewing program of the.

The soup outlet solenoid valve 45 and the stirring steam solenoid valve 46 can also be replaced by air solenoid valves, and the air solenoid valves are connected with an air compressor to input high-pressure air for stirring or outputting tea soup and the like.

The automatic control system outputs appropriate amount of steam, closes stirring steam solenoid valve 46, and can set for soaking or adding tea soup, closes exhaust solenoid valve 47 during adding soup, opens soup steam outlet solenoid valve 45, and inputs steam through soup steam outlet 41 to push under steam pressure

The check valve 14 is opened to discharge the soup (as shown in fig. 11). The invention can be further connected with a food ordering machine (POS) in a wireless or wired mode, and can utilize a mobile phone, a tablet or a computer to input an operation program and a remote chain store headquarters or a person needing to receive execution information.

[ second embodiment ]

Referring to fig. 12, in the present embodiment, the filter screen 23 is disposed at the bottom of the inner cup 21 in a combined manner, for example, a filter screen baffle 231 may be disposed below the inner cup 21, the filter screen baffle 231 is annular, the filter screen baffle 231 is provided with a plurality of first clamping portions 232, the bottom of the inner cup 21 is provided with a plurality of second clamping portions 211, the filter screen baffle 231 may rotate relative to the bottom of the inner cup 21, so that the plurality of first clamping portions 232 and the plurality of second clamping portions 211 are clamped with each other, the filter screen baffle 231 is clamped and fixed at the bottom of the inner cup 21, and the filter screen 23 is clamped between the filter screen baffle 231 and the inner cup 21, so that the filter screen 23 is disposed at the bottom of the inner cup 21 in a combined manner. When the filter screen 23 is required to be detached, the filter screen baffle 231 can be rotated reversely, so that the first clamping portions 232 are separated from the second clamping portions 211, and the filter screen baffle 231 and the filter screen 23 can be detached.

The invention has the characteristics and functions that:

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, so that equivalent variations using the contents of the present specification and the drawings are included in the scope of the present invention.

Claims

1. A beverage extraction device, comprising:

a filter cup assembly, the filter cup assembly comprising an outer filter cup and an inner filter cup, the outer filter cup having an outer cup body, the top of the outer cup body forming a first upper edge, the bottom of the outer cup body having an outlet, the outlet having a check valve, the check valve being openable when the interior of the filter cup assembly reaches a predetermined vapor pressure, the inner filter cup having an inner cup body, the top of the inner cup body forming a second upper edge, the bottom of the inner cup body having a filter screen, the top of the inner cup body having a vapor inlet, the inner cup body of the inner filter cup being disposed within the outer cup body of the outer filter cup, the second upper edge being stacked on the first upper edge, a gap being formed between the inner cup body and the outer cup body, and a vapor diffusion outlet being disposed between the inner cup body and the outer cup body, the vapor diffusion outlet being in communication with the vapor inlet; and

the brewing mechanism comprises a cup holder, a panel seat and a control mechanism, the cup holder can be placed in the cup holder, the first upper edge of the outer cup is placed on the cup holder, the panel seat is arranged above the cup holder, the panel seat is provided with a soup steam outlet, a stirring steam inlet and an exhaust outlet, the soup steam outlet, the stirring steam inlet and the exhaust outlet are communicated with the inside of the cup holder assembly, the stirring steam inlet corresponds to the steam inlet of the inner cup, and the control mechanism is connected to the cup holder and used for controlling the cup holder to lift so that the top of the cup holder assembly can be sealed and opened.

2. The beverage extraction apparatus of claim 1, wherein the first upper rim protrudes beyond the outer rim of the outer cup, the first upper rim is horizontally disposed around the top of the outer cup, the second upper rim protrudes beyond the outer rim of the inner cup, and the second upper rim is horizontally disposed around the top of the inner cup.

3. The beverage extraction apparatus as claimed in claim 1, wherein the check valve comprises a valve body, an elastic member and a sealing member, a channel is formed through the valve body, the elastic member and the sealing member are disposed in the channel, and the elastic member abuts against the sealing member to elastically seal the channel.

4. A beverage extracting apparatus according to claim 3, wherein the upper half portion and the lower half portion of the channel are formed with different inner diameters, the inner diameter of the upper half portion of the channel is smaller than the inner diameter of the lower half portion of the channel, the elastic member and the sealing member are disposed on the lower half portion of the channel, the elastic member abuts against the sealing member, so that the sealing member elastically seals the bottom of the upper half portion of the channel.

5. The beverage extraction apparatus of claim 1, wherein a first airtight rubber ring is disposed at a bottom of the second upper edge of the inner bowl, the first airtight rubber ring is disposed between the second upper edge and the first upper edge, and a second airtight rubber ring is disposed at a top of the second upper edge of the inner bowl, the second airtight rubber ring is disposed between the second upper edge and the faceplate holder.

6. The beverage extraction apparatus as claimed in claim 1, wherein said soup steam inlet is connected to a hot water solenoid valve and a soup steam solenoid valve, said soup steam inlet is connectable to a boiler hot water pipe through said hot water solenoid valve for delivering hot water to said soup steam inlet, said soup steam inlet is connectable to a boiler steam pipe through said soup steam solenoid valve for delivering steam to said soup steam inlet, said stirring steam inlet is connected to a stirring steam solenoid valve, said stirring steam inlet is connectable to a boiler steam pipe through said stirring steam solenoid valve for delivering stirring steam to said stirring steam inlet, said exhaust outlet is connected to an exhaust solenoid valve, and said exhaust solenoid valve is open for exhausting through said exhaust outlet.

7. The beverage extracting apparatus as claimed in claim 1, wherein the control mechanism includes a supporting frame, two linkage sets, a control rod and a plurality of cams, the cup holder is disposed on the supporting frame in a lifting manner, the two linkage sets are disposed between the control rod and the plurality of cams, the plurality of cams abut against the cup holder, the two linkage sets are driven by the control rod to drive the plurality of cams to rotate, and the plurality of cams push the cup holder to ascend so that the top of the cup assembly is tightly attached to the panel seat.

8. The beverage extraction apparatus as recited in claim 7, wherein the support frame has two side plates spaced apart from each other, the cup holder is disposed between the two side plates of the support frame, and a guide mechanism is disposed between the cup holder and the support frame for guiding the cup holder to move up and down.

9. The beverage extracting apparatus as claimed in claim 8, wherein the two connecting rods are respectively disposed on two side plates of the supporting frame, the connecting rods comprise a front connecting rod, a middle connecting rod and a rear connecting rod, upper ends of the front connecting rod and the rear connecting rod are respectively pivoted to the side plates by a front rotating shaft and a rear rotating shaft, two ends of the middle connecting rod are respectively pivoted to lower ends of the front connecting rod and the rear connecting rod, the control rod is connected to the two connecting rods, the plurality of cams are respectively connected to the plurality of front rotating shafts and the plurality of rear rotating shafts, and the plurality of cams can synchronously rotate with the plurality of front rotating shafts and the plurality of rear rotating shafts.

10. The beverage extraction apparatus of claim 1, wherein the strainer assembly is disposed at a bottom of the inner cup.