Brewing cavity of capsule coffee machine

Abstract

The utility model relates to a brewing cavity of a capsule coffee machine, and aims to solve the technical problems that capsules of existing similar capsule products are easy to be uneven after being placed in the cavity, so that the falling smoothness of waste capsules is not smooth, and the capsules are easy to block and the cavity is blocked. The capsule coffee machine brewing cavity is characterized in that a main body of the capsule coffee machine brewing cavity is a brewing cavity shell, guide channels are arranged on the inner walls of the two sides of a notch of the brewing cavity shell, arc-shaped tracks are arranged on the inner walls of the right sides of the guide channels respectively, a first capsule check block and a second capsule check block are symmetrically arranged on the two sides in the brewing cavity shell below the notch, and L-shaped notch steps are arranged at the front ends of the first capsule check block and the second capsule check block respectively. Arc-shaped sections are respectively arranged at the rear ends; the capsule is placed in from the notch of the quasi-brewing cavity shell and is accurately brought into the first capsule check block and the second capsule check block below through the guide channel to be supported at the same time, and the capsule push plate pushes the brewing head assembly to drive the brewing head assembly to stretch forwards through the connecting rod assembly, so that the capsule is blocked by the first capsule check block and the second capsule check block and falls into a cup base of the brewing head assembly.

Description

Technical Field

[0001] The utility model relates to a brewing cavity of a capsule coffee machine, which is a brewing cavity body of a capsule coffee machine. Background Art

[0002] At present, the coffee capsule in the capsule coffee machine needs to be placed in the capsule cavity in the coffee machine. When the coffee capsule is pierced and opened by pressing the rocker downward, hot water enters the coffee capsule through the coffee machine and mixes with the coffee powder to brew a cup of coffee. There are existing capsule coffee machines with such connecting rod structures and a capsule inlet on the top, such as the application number 201821214386.6 disclosed in the Chinese patent literature, the authorization announcement date is 2019.10.25, and the utility model name is "a capsule coffee machine"; another example is the application number 202020124500.7 disclosed in the Chinese patent literature, the authorization announcement date is 2020.10.23, and the utility model name is "a capsule brewing device for a coffee machine"; and the application number 202223301249.5 disclosed in the Chinese patent literature, the authorization announcement date is 2023.05.05, and the utility model name is "a capsule brewing device". However, when putting capsules into the above-mentioned products and similar products, if the capsules are not placed flush in the cavity, it will affect the smooth flow of coffee during extraction and affect the taste; and after the capsule extraction is completed, the smoothness of the discarded capsules falling off is not smooth and it is easy to cause jamming, which will cause the cavity to be blocked, resulting in damage to the machine, reduced service life, and weak contraction force and poor stability of the connecting rod. Summary of the invention

[0003] In order to overcome the above shortcomings, the purpose of the utility model is to provide a capsule coffee machine brewing chamber in the art, so as to solve the technical problems that the connecting rod structure of the existing similar rubber products is poor in stability, resulting in the capsule being placed unevenly after being placed in the chamber, which leads to the unsmooth falling of the discarded capsule, easy jamming, cavity blockage, and the connecting rod pushing and contracting force is weak and the stability is poor. The purpose is achieved through the following technical solutions.

[0004] A brewing chamber of a capsule coffee machine, the main body of the brewing chamber of the capsule coffee machine is a brewing chamber shell, a connecting rod assembly and a brewing head assembly are arranged in the brewing chamber shell, one end of the connecting rod assembly is fixed to one end of a capsule push plate through a fifth connecting rod shaft, the other end of the capsule push plate is fixed to the top of the cavity opening at one end of the brewing chamber shell through a sixth connecting rod shaft, the other end of the connecting rod assembly is fixed to the middle of the bottom of a brewing seat of the brewing head assembly through a first connecting rod shaft, one side of the bottom of the brewing seat is provided with a liquid inlet hole, and a liquid inlet hole is arranged in the brewing seat. A cup seat is provided, an O-ring is provided on the outer diameter of the cup seat in the brewing seat, the cup seat in the brewing head assembly is communicated with the brewing seat, and the connecting rod assembly drives the brewing head assembly to make linear motion in the brewing chamber shell through the capsule pushing plate; a liquid outlet funnel is provided at the cavity opening at the other end of the brewing chamber shell, a notch for placing the capsule is provided at the top of the brewing shell on one side of the liquid outlet funnel, a puncture needle is provided in the brewing chamber shell at the bottom of the cup seat or at one end of the liquid outlet funnel, a discharge hole is provided in the brewing chamber shell below the notch, and the liquid outlet funnel is provided with a liquid outlet hole. The key points of its structural design are that guide channels are provided on the inner walls on both sides of the notch of the brewing chamber shell, and arc tracks are provided on the right inner walls of the guide channels respectively, and the first capsule stopper and the second capsule stopper are symmetrically provided on both sides of the inside of the brewing chamber shell below the notch, and the front ends of the first capsule stopper and the second capsule stopper are respectively provided with L-shaped notch steps, and the rear ends are respectively provided with arc sections, and an arc platform is provided on the top between the L-shaped notch step and the arc section, and the arc track of the brewing chamber shell is aligned with the arc platform to block the capsule from falling in; the capsule is put into the notch of the brewing chamber shell, and at the same time, the guide channel accurately brings the capsule to the first capsule stopper and the second capsule stopper below to support it, and the capsule push plate pushes the brewing head assembly forward through the connecting rod assembly, and the outer diameter of the brewing head assembly is against the arc sections of the first capsule stopper and the second capsule stopper during the process, so that the capsule falls off the blockage of the first capsule stopper and the second capsule stopper, and the capsule falls into the cup seat of the brewing head assembly. Furthermore, when the capsule push plate is pushed to the bottom, the connecting rod assembly drives the brewing head assembly to extend forward and drives the capsule to squeeze and pierce the capsule in the cup seat, and the outward-turned edge of the capsule falls into and is located in the L-shaped notch step of the first capsule stopper and the second capsule stopper, and the cup mouth at the cup seat of the brewing head assembly moves along the arc-shaped section of the first capsule stopper and the second capsule stopper; after the extraction work is completed, when the capsule push plate is pushed upward to the top, the connecting rod assembly retracts and contracts backward and drives the capsule to move backward in a straight line, and the capsule is blocked by the L-shaped notch step of the first capsule stopper and the second capsule stopper and stops its backward straight line movement, and falls out of the brewing chamber shell from the discharge hole below the notch.

[0005] The outer diameters of both sides of the first capsule stopper and the second capsule stopper are respectively provided with raised buckle columns, and the outer diameter of one side between the buckle columns is provided with a raised buckle point. The first capsule stopper and the second capsule stopper are respectively fixed to the buckle holes at the through hole of the brewing chamber shell through the buckle columns. At the same time, the buckle points of the first capsule stopper and the second capsule stopper are respectively buckled into the buckle grooves on one side of the buckle holes. When the buckle hole of the brewing chamber shell is a sliding hole, the buckle columns at the buckle holes are provided with elastic members when the capsule falls off the obstruction of the first capsule stopper and the second capsule stopper and moves outward. The above is a specific structural embodiment of the first capsule stopper and the second capsule stopper being fixed to the brewing chamber shell, and the elastic member is a torsion spring or a spring sheet, which is used for resetting the first capsule stopper and the second capsule stopper.

[0006] A raised limiting column is symmetrically provided on the outer diameter of the brewing seat below the extended end of the cup seat of the brewing head assembly, and the limiting column is aligned with the first capsule stopper and the second capsule stopper in the brewing chamber shell to limit the movement of the brewing head assembly during the forward extension process.

[0007] One end of the cup seat of the brewing head assembly extends out of the brewing seat and is provided with a cup sleeve on the outer diameter. The brewing head assembly is against the first capsule stopper and the second capsule stopper through the cup sleeve. A cup mouth sleeve is provided at the seat opening of the cup seat at the inner diameter of the cup sleeve, and the cup mouth sleeve is buckled and fixed to the seat opening of the cup seat.

[0008] The inner walls of the brewing chamber shell are symmetrically provided with track grooves, and the end angles at the cavity opening of the brewing chamber shell above the track groove are L-shaped openings. One end of the third connecting rod at one end of the connecting rod assembly is fixed to one end of the L-shaped connecting plate of the capsule push plate through the fifth connecting rod shaft, and the other end of the L-shaped connecting plate of the capsule push plate is fixed to the cavity opening above one end of the brewing chamber shell through the sixth connecting rod shaft. One end of the first connecting rod at the other end of the connecting rod assembly is fixed to the middle of the bottom of the brewing seat of the brewing head assembly through the first connecting rod shaft, and the other end of the first connecting rod is fixed to one end of the second connecting rod through the second connecting rod shaft, and the other end of the second connecting rod is fixed to the other end of the third connecting rod through the fourth connecting rod shaft. The third connecting rod shaft is fixed to one end of the track groove on both sides of the brewing chamber shell, and the first connecting rod shaft is arranged in the track groove on both sides of the brewing chamber shell. The telescopic and folding movement process of the above-mentioned connecting rod assembly is triangular, stable, firm and powerful; the L-shaped connecting plate is integrally formed with the capsule push plate, or fixed to the capsule push plate through the bottom plate on one side of the L-shaped connecting plate.

[0009] A buffer spring is arranged in the first connecting rod, and the buffer spring abuts against the second connecting rod shaft passing through the first connecting rod.

[0010] The inner angle θ of the bending part of the second connecting rod is greater than 120 degrees and less than 150 degrees. The above-mentioned optimal angle is 130 degrees.

[0011] An inner oblique groove is provided on the inner side of the second connecting rod at the hinged joint of the second connecting rod and the third connecting rod. When the connecting rod assembly is in a folded state, the third connecting rod is limited to be located in the inner oblique groove of the second connecting rod, and the hinged joint of the second connecting rod and the third connecting rod extends out of the opening at the bottom end of the brewing chamber shell below.

[0012] The puncture needle at the bottom of the cup seat is a protruding puncture blade, and the puncture needle in the brewing chamber shell at one end of the liquid outlet funnel is a rupture plate of the water filter plate assembly. A sealing ring is provided on the outer diameter of the rupture plate, and the rupture plate is aligned with the puncture blade.

[0013] The top slope of the outlet hole of the outlet funnel is provided with an auxiliary hole, and the partition inside the outlet funnel is provided with an inner hole. The auxiliary hole is used for pressure relief inside the outlet funnel or external pipe connection, and the inner hole is used for pressurization inside the outlet funnel.

[0014] A push rod is provided on one side of the brewing head assembly, one end of the push rod extends out of the cup seat in the brewing seat to abut against the bottom of the loaded capsule, and the other end of the push rod abuts against the return spring in the liquid inlet hole of the brewing seat. The above spring can also be omitted as needed.

[0015] The utility model has reasonable structural design, convenient production and assembly, wide application range, good stability, and is not prone to jamming and clogging; the utility model is suitable for use as a brewing cavity of a capsule coffee machine, and is suitable for structural improvement of similar products. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a partial exploded structural schematic diagram of an embodiment of the utility model.

[0017] Figure 2 yes Figure 1 Magnified view of the first capsule stopper.

[0018] Figure 3 yes Figure 1 Schematic diagram of the three-dimensional structure after assembly, in which the dotted line is the internal structure.

[0019] Figure 4 yes Figure 1 The cross-sectional structure of Figure 1 , Part A is framed in the figure.

[0020] Figure 5 yes Figure 4 Enlarged view of part A.

[0021] Figure 6 yes Figure 1 The cross-sectional structure of Figure 2 .

[0022] Figure 7 yes Figure 2 Schematic diagram of the structure in the open state, in which the dotted line represents the internal structure and the capsule is omitted.

[0023] Figure 8 yes Figure 7 A schematic cross-sectional structural diagram of the invention, in which the shoulder sleeve shows the capsule insertion, locking and troubleshooting status, as well as the locking position of the brewing head assembly.

[0024] Serial numbers and names of the accompanying drawings: 1. capsule push plate, 101. L-shaped connecting plate, 2. liquid discharge funnel, 201. liquid discharge hole, 202. auxiliary hole, 203. inner hole, 3. brewing chamber shell, 301. notch, 3011. guide channel, 3012. arc track, 302. track groove, 4. water filter assembly, 5. capsule, 6. brewing head assembly, 601. brewing seat, 6011. liquid inlet hole, 6012. limiting column, 602. cup seat, 603. ejector rod, 604. piercing blade, 605. cup outer sleeve, 606. cup mouth sleeve, 7. first capsule stopper, 8. second capsule stopper, 9. first connecting rod, 10. second connecting rod, 11. third connecting rod, 12. buffer spring, 781. L-shaped notch step, 782. arc section, 783. buckle column, 784. buckle point. Implementation

[0025] Now, in conjunction with the accompanying drawings, the structure and use of the utility model are further described. Figure 1-Figure 8As shown, the main body of the brewing chamber of the capsule coffee machine is a brewing chamber shell 3, and a connecting rod assembly and a brewing head assembly 6 are arranged in the brewing chamber shell. One end of the connecting rod assembly is fixed to one end of a capsule push plate 1 through a fifth connecting rod shaft, and the other end of the capsule push plate is fixed above the cavity opening at one end of the brewing chamber shell through a sixth connecting rod shaft. The other end of the connecting rod assembly is fixed to the middle of the bottom of a brewing seat 601 of the brewing head assembly through the first connecting rod shaft. A liquid inlet hole 6011 is arranged on one side of the bottom of the brewing seat, and a cup seat 6 is fixed in the brewing seat. 02. An O-ring is provided on the outer diameter of the cup seat in the brewing seat. The cup seat in the brewing head assembly is connected to the brewing seat. The connecting rod assembly drives the brewing head assembly to make linear motion in the brewing chamber shell through the capsule push plate. A liquid outlet funnel 2 is provided at the cavity mouth at the other end of the brewing chamber shell. A notch 301 for placing a capsule is provided at the top of the brewing shell on one side of the liquid outlet funnel. A puncture needle is provided in the brewing chamber shell at the bottom of the cup seat or at one end of the liquid outlet funnel. A discharge hole is provided in the brewing chamber shell below the notch, and the liquid outlet funnel is provided with a liquid outlet hole 201. The inner walls on both sides of the notch of the brewing chamber shell are provided with guide channels 3011, and the inner walls on the right side of the guide channels are respectively provided with arc tracks 3012. The first capsule stopper 7 and the second capsule stopper 8 are symmetrically provided on both sides of the brewing chamber shell below the notch. The front ends of the first capsule stopper and the second capsule stopper are respectively provided with L-shaped notch steps 781, and the rear ends are respectively provided with arc sections 782. A curved platform is provided on the top between the L-shaped notch steps and the arc sections. The arc track of the brewing chamber shell is aligned with the curved platform to block the falling capsule. The capsule is put into the notch of the brewing chamber shell and is accurately brought into the first capsule stopper and the second capsule stopper below by the guide channel to be supported. The capsule push plate drives the brewing head assembly forward through the connecting rod assembly, and the outer diameter of the brewing head assembly is against the arc sections of the first capsule stopper and the second capsule stopper during the process, so that the capsule falls off the first capsule stopper and the second capsule stopper, and the capsule falls into the cup seat of the brewing head assembly. When the capsule push plate is pushed to the bottom, the connecting rod assembly drives the brewing head assembly to extend forward and drives the capsule to squeeze and pierce the capsule in the cup seat, and the outward-turned edge of the capsule falls into and is located in the L-shaped notch step of the first capsule stopper and the second capsule stopper, and the cup mouth at the cup seat of the brewing head assembly moves along the arc-shaped section of the first capsule stopper and the second capsule stopper; after the extraction work is completed, when the capsule push plate is pushed upward to the top, the connecting rod assembly retracts and contracts backward and drives the capsule to move backward in a straight line, and the capsule is blocked by the L-shaped notch step of the first capsule stopper and the second capsule stopper and stops running backward in a straight line, and falls out of the brewing chamber shell from the discharge hole below the notch.

[0026] The outer diameters of both sides of the first capsule stopper and the second capsule stopper are respectively provided with raised snap-in columns 783, and the outer diameter of one side between the snap-in columns is provided with a raised snap-in point 784. The first capsule stopper and the second capsule stopper are respectively fixed to the snap-in holes at the through hole of the brewing chamber shell 3 through the snap-in columns. At the same time, the snap-in points of the first capsule stopper and the second capsule stopper are respectively buckled into the snap-in grooves at one side of the snap-in holes. The snap-in holes of the brewing chamber shell are sliding holes, so that when the capsule falls off the obstruction of the first capsule stopper and the second capsule stopper and moves outward, the snap-in columns at the snap-in holes are provided with elastic parts. The outer diameter of the brewing seat below the extended end of the cup seat of the brewing head assembly is symmetrically provided with raised limiting columns 6012, which are respectively aligned with the first capsule stopper and the second capsule stopper in the brewing chamber shell to limit the movement of the brewing head assembly during the forward extension process. One end of the cup seat of the brewing head assembly extends out of the brewing seat and is provided with a cup sleeve 605 on the outer diameter. The brewing head assembly is against the first capsule stopper and the second capsule stopper through the cup sleeve. A cup mouth sleeve 606 is provided at the seat opening of the cup seat on the inner diameter of the cup sleeve, and the cup mouth sleeve is buckled and fixed to the seat opening of the cup seat.

[0027] The inner walls of the brewing chamber housing are symmetrically provided with track grooves 302, and the end angles at the cavity opening of the brewing chamber housing above the track grooves are L-shaped openings. One end of the third connecting rod 11 at one end of the connecting rod assembly is fixed to one end of the L-shaped connecting plate 101 of the capsule push plate through the fifth connecting rod shaft, and the other end of the L-shaped connecting plate of the capsule push plate is fixed to the cavity opening above one end of the brewing chamber housing through the sixth connecting rod shaft. One end of the first connecting rod 9 at the other end of the connecting rod assembly is fixed to the middle of the bottom of the brewing seat of the brewing head assembly through the first connecting rod shaft, and the other end of the first connecting rod is fixed to one end of the second connecting rod 10 through the second connecting rod shaft, and the other end of the second connecting rod is fixed to the other end of the third connecting rod through the fourth connecting rod shaft. The third connecting rod shaft is provided at the bending part of the second connecting rod, and the third connecting rod shaft is fixed to one end of the track grooves on both sides of the brewing chamber housing, and the first connecting rod shaft is arranged in the track grooves on both sides of the brewing chamber housing. A buffer spring 12 is provided in the first connecting rod, and the buffer spring is offset against the second connecting rod shaft passing through the first connecting rod. The inner angle θ of the bending part of the second connecting rod is greater than 120 degrees and less than 150 degrees. An inner bevel groove is provided on the inner side of the second connecting rod where the second connecting rod and the third connecting rod are hinged. When the connecting rod assembly is in the folded state, the third connecting rod is limited to the inner bevel groove of the second connecting rod, and the hinge of the second connecting rod and the third connecting rod extends out of the bottom end of the brewing chamber shell below. The puncture needle at the bottom of the cup seat is an extended puncture blade 604, and the puncture needle in the brewing chamber shell at one end of the liquid outlet funnel is a rupture plate of the filter plate assembly. The outer diameter of the rupture plate is provided with a sealing ring, and the rupture plate is aligned with the puncture blade.

[0028] The top slope of the liquid outlet hole of the liquid outlet funnel is provided with a secondary hole 202, and the partition in the liquid outlet funnel is provided with an inner hole 203. A push rod 603 is provided on one side of the brewing head assembly, one end of the push rod extends out of the cup seat in the brewing seat to abut against the bottom of the loaded capsule, and the other end of the push rod abuts against the return spring in the liquid inlet hole of the brewing seat.

[0029] The above-mentioned brewing cavity of the capsule coffee machine mainly involves the capsule placement and discharge mechanism of the capsule coffee machine, specifically, a mechanism for smoothly placing capsules, smoothly discharging discarded capsules after extraction, and strengthening the telescopic strength and stability of the telescopic connecting rod. The mechanism comprises a liquid outlet funnel provided in front of a brewing chamber shell, a capsule-shaped transparent notch provided on the top of the brewing chamber shell of the brewing chamber shell, the notch extending downward by a certain stroke, guide channels provided on the inner walls on both sides of this stroke, and arc tracks provided on the right inner walls of the guide channels respectively; two capsule stoppers are provided on both sides of the brewing chamber shell below the capsule-shaped transparent notch, the front end of the capsule stoppers is provided with an L-shaped notch step, and the rear end is provided with an arc-shaped section; a brewing head assembly is provided at the rear, the rear end of the brewing head assembly is connected to the front end of the first connecting rod and fixed by the first connecting rod shaft, the rear end of the first connecting rod is connected to the front end of the second connecting rod and fixed by the second connecting rod shaft, the middle end of the second connecting rod is fixedly connected to the rear end of the brewing chamber shell and fixed by the third connecting rod shaft, the rear end of the second connecting rod is connected to the lower section of the third connecting rod and fixed by the fourth connecting rod shaft, the upper end of the third connecting rod is connected to the lower part of the rear end of the capsule push plate and fixed by the fifth connecting rod shaft, and the upper part of the rear end of the capsule push plate is fixed to the upper part of the rear end of the brewing chamber shell and fixed by the sixth connecting rod shaft.

[0030] The specific implementation plan is as follows: first, align the capsule with the notch of the brewing chamber shell and insert it. During this process, the guide channel inside the brewing chamber shell will accurately bring the capsule to the capsule block below for support, and then push the capsule push plate downward to the bottom; during this process, the connecting rod assembly drives the brewing head assembly to extend forward to squeeze the capsule, so that the front end surface of the capsule fits tightly with the water filter assembly, and pushes it to the front of the capsule block, and at the same time cooperates with the piercing needle inside the brewing head assembly to pierce the front and back ends of the capsule, and then start the extraction work; finally, after the extraction is completed, push the capsule push plate upward to the top. During this process, the connecting rod assembly retracts and contracts backwards, and moves the capsule backward in a straight line. The capsule connecting rod folds in a triangular shape. During this process, the capsule is blocked by the capsule block. After touching the blockage of the capsule block, it stops running backward in a straight line, and falls out of the brewing chamber shell through the discharge hole below the notch.

[0031] In summary, the utility model relates to a novel capsule placement and discharge mechanism for a capsule coffee machine, specifically a mechanism for smoothly placing capsules and smoothly discharging discarded capsules after extraction, and for strengthening the telescopic strength and stability of the telescopic connecting rod. The brewing cavity of the capsule coffee machine improves the placement and discharge position of the capsule in the cavity, improves the smoothness of placement, and optimizes the motion connecting rod.

Claims

1. A brewing chamber of a capsule coffee machine, wherein the main body of the brewing chamber of the capsule coffee machine is a brewing chamber shell (3), wherein a connecting rod assembly and a brewing head assembly (6) are arranged in the brewing chamber shell, wherein one end of the connecting rod assembly is fixed to one end of a capsule push plate (1) via a fifth connecting rod shaft, wherein the other end of the capsule push plate is fixed to the top of a cavity opening at one end of the brewing chamber shell via a sixth connecting rod shaft, wherein the other end of the connecting rod assembly is fixed to the middle of the bottom of a brewing seat (601) of the brewing head assembly via a first connecting rod shaft, wherein one side of the bottom of the brewing seat is provided with a liquid inlet hole (6011), wherein a liquid inlet hole (6011) is fixed in the brewing seat A cup seat (602) is provided, an O-ring is provided on the outer diameter of the cup seat in the brewing seat, the cup seat in the brewing head assembly is connected to the brewing seat, and the connecting rod assembly drives the brewing head assembly to perform linear motion in the brewing chamber shell through the capsule push plate; a liquid outlet funnel (2) is provided at the cavity opening at the other end of the brewing chamber shell, a notch (301) for placing a capsule is provided at the top of the brewing shell on one side of the liquid outlet funnel, a puncture needle is provided in the brewing chamber shell at the bottom of the cup seat or at one end of the liquid outlet funnel, a discharge hole is provided in the brewing chamber shell below the notch, and the liquid outlet funnel is provided with a liquid outlet hole (201); the characteristics are as follows: Guide channels (3011) are provided on the inner walls on both sides of the notch (301) of the brewing chamber shell (3), and arc tracks (3012) are provided on the right inner walls of the guide channels, respectively. A first capsule stopper (7) and a second capsule stopper (8) are symmetrically provided on both sides of the brewing chamber shell below the notch, and L-shaped notch steps (781) are provided at the front ends of the first capsule stopper and the second capsule stopper, respectively, and arc sections (782) are provided at the rear ends, and an arc platform is provided at the top between the L-shaped notch step and the arc section, and the arc track of the brewing chamber shell is aligned with the arc platform to block the falling capsule; the capsule is inserted into the notch of the brewing chamber shell and is accurately brought into the first capsule stopper and the second capsule stopper below by the guide channel to be supported, and the capsule push plate drives the brewing head assembly to extend forward through the connecting rod assembly, and the outer diameter of the brewing head assembly is abutted against the arc sections of the first capsule stopper and the second capsule stopper during the process, so that the capsule falls off the first capsule stopper and the second capsule stopper, and falls into the cup seat of the brewing head assembly.

2. The brewing chamber of the capsule coffee machine according to claim 1, characterized in that The first capsule stopper (7) and the second capsule stopper (8) are respectively provided with raised snap-in columns (783) on their outer diameters on both sides, and a raised snap-in point (784) is provided on one side of the outer diameter between the snap-in columns. The first capsule stopper and the second capsule stopper are respectively fixed to the snap-in holes at the through hole of the brewing chamber shell (3) through the snap-in columns. At the same time, the snap-in points of the first capsule stopper and the second capsule stopper are respectively snapped into snap-in grooves on one side of the snap-in holes. The snap-in holes of the brewing chamber shell are sliding holes so that when the capsule falls off the obstruction of the first capsule stopper and the second capsule stopper and moves outward, the snap-in columns at the snap-in holes are provided with elastic members.

3. The brewing chamber of the capsule coffee machine according to claim 1, characterized in that A protruding limiting column (6012) is symmetrically provided on the outer diameter of the brewing seat (601) below the extended end of the cup seat (602) of the brewing head assembly (6), and the limiting column is aligned with the first capsule stopper (7) and the second capsule stopper (8) in the brewing chamber shell (3) to limit the movement of the brewing head assembly during its forward extension.

4. The brewing chamber of the capsule coffee machine according to claim 1, characterized in that One end of the cup seat (602) of the brewing head assembly (6) extends out of the brewing seat (601) and is provided with a cup sleeve (605) on its outer diameter. The brewing head assembly abuts against the first capsule stopper (7) and the second capsule stopper (8) through the cup sleeve. A cup mouth sleeve (606) is provided at the seat opening of the cup seat at the inner diameter of the cup sleeve, and the cup mouth sleeve is buckled and fixed to the seat opening of the cup seat.

5. The brewing chamber of the capsule coffee machine according to claim 1, characterized in that Track grooves (302) are symmetrically provided on the inner walls of both sides of the brewing chamber shell (3); the end corners of the cavity opening of the brewing chamber shell above the track groove are L-shaped openings; one end of the third connecting rod (11) at one end of the connecting rod assembly is fixed to one end of the L-shaped connecting plate (101) of the capsule push plate (1) through a fifth connecting rod shaft; the other end of the L-shaped connecting plate of the capsule push plate is fixed to the cavity opening at one end of the brewing chamber shell through a sixth connecting rod shaft; one end of the first connecting rod (9) at the other end of the connecting rod assembly is fixed to the middle of the bottom of the brewing seat (601) of the brewing head assembly (6) through the first connecting rod shaft; the other end of the first connecting rod is fixed to one end of the second connecting rod (10) through the second connecting rod shaft; the other end of the second connecting rod is fixed to the other end of the third connecting rod through a fourth connecting rod shaft; the third connecting rod shaft is provided at the bend of the second connecting rod; the third connecting rod shaft is fixed to one end of the track grooves on both sides of the brewing chamber shell; the first connecting rod shaft is arranged in the track grooves on both sides of the brewing chamber shell.

6. The brewing chamber of the capsule coffee machine according to claim 5, characterized in that A buffer spring (12) is provided in the first connecting rod (9), and the buffer spring abuts against a second connecting rod shaft passing through the first connecting rod.

7. The brewing chamber of the capsule coffee machine according to claim 5, characterized in that The inner side angle θ of the bending portion of the second connecting rod (10) is greater than 120 degrees and less than 150 degrees.

8. The brewing chamber of the capsule coffee machine according to claim 5, characterized in that An inner oblique groove is provided on the inner side of the second connecting rod at the hinged joint between the second connecting rod (10) and the third connecting rod (11); when the connecting rod assembly is in a folded state, the third connecting rod is restrained and located in the inner oblique groove of the second connecting rod; the hinged joint between the second connecting rod and the third connecting rod extends out of an opening at the bottom end of the brewing chamber shell (3) below.

9. The brewing chamber of the capsule coffee machine according to claim 1, characterized in that The puncture needle at the bottom of the cup seat (602) is a protruding puncture blade (604), and the puncture needle in the liquid outlet funnel (2) is a puncture plate of the water filter plate assembly (4). A sealing ring is provided on the outer diameter of the puncture plate, and the puncture plate is aligned with the puncture blade.

10. The brewing chamber of the capsule coffee machine according to claim 1, characterized in that A secondary hole (202) is provided at the top inclined surface of the liquid outlet hole (201) of the liquid outlet funnel (2), and an inner hole (203) is provided at the partition layer inside the liquid outlet funnel.

11. The brewing chamber of the capsule coffee machine according to claim 1, characterized in that A push rod (603) is provided on one side of the brewing head assembly (6), one end of the push rod extends out of the cup seat (602) in the brewing seat (601) to abut against the bottom of the loaded capsule, and the other end of the push rod abuts against a return spring in the liquid inlet hole (6011) of the brewing seat.

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