Brewing cavity of full-automatic coffee machine

Abstract

The utility model belongs to the technical field of coffee machines, and particularly relates to a full-automatic coffee machine brewing cavity which comprises a brewing cavity body and further comprises a coffee powder supporting plate fixedly arranged on the upper portion of the brewing cavity body, a filtering piece body is fixedly arranged in the coffee powder supporting plate, and the filtering piece body comprises a first sealing ring, a rack, a limiting piece and a magnet. A first transmission tooth is fixedly installed on one side of the coffee powder supporting plate, a transmission connector tooth is movably installed on one side of the first transmission tooth, brewing work can be conducted through the brewing cavity body, coffee powder can be placed through the coffee powder supporting plate, and the coffee powder supporting plate can be connected with an external water pipe through a water connector; the filter element body can be used for filtering, the sealing performance is ensured through the first sealing ring, then the rack is used for adjusting the pressure and temperature of the device so that the taste and taste of coffee can be influenced, and then the limiting element and the magnet can be used for conveniently stopping, fixing and positioning components of the machine.

Description

TECHNICAL FIELD

[0001] The utility model belongs to coffee machine technical field, especially relate to full automatic coffee machine brewing chamber. BACKGROUND

[0002] People apply electronic technology to coffee machine, realize the automatic control of the whole process of brewing coffee such as grinding, pressing, powder loading, brewing and residue removal, and create coffee machine, and a main function of the coffee machine is to provide delicious coffee for people, and the beverage is rich in caffeine and can help refresh the mind and increase alertness, before using the full automatic coffee machine, first, the freshness of coffee beans needs to be ensured, high-quality coffee beans are selected and are ground into fine degree suitable for the full automatic coffee machine, but the existing coffee machine cannot be fully automatically brewed, and it is troublesome and laborious, therefore, the full automatic coffee machine brewing chamber is provided.

[0003] For example, the brewing system of the coffee machine disclosed in Chinese patent with the authorization announcement number CN105996780U is assembled on the brewing cup support, and the brewing cup support and the brewing cup support are swung towards the direction of the brewer support through the driving of the brewing cup driving assembly, and the powder loading work of coffee is realized, the extrusion rod is driven to move on the brewer support through the driving of the brewing driving assembly when the brewing cup support and the brewing cup support are swung to the brewer support, and the powder pressing work of coffee is realized, the brewing cup support and the brewing cup support are swung away from the brewer support through the driving of the brewing cup driving assembly, and the brewing cup support and the brewing cup support are swung away from the brewer support, and the residue pushing work of coffee is realized.

[0004] The above patent has the following problems:

[0005] Compared with the brewing system of the coffee machine in the prior art, the powder feeding and pressure sealing swing back and forth, and the dynamic positioning error affects the sealing effect, and the existing technology cannot effectively seal when being used for a long time, which may cause pressure leakage, reduce the brewing pressure, cause the brewing work to be not timely, and reduce the brewing efficiency. In view of this, the full automatic coffee machine brewing chamber is provided. UTILITY MODEL CONTENTS

[0006] The utility model aims at the above-mentioned technical problem, provides full automatic coffee machine brewing chamber, achieves the effect that the brewing chamber automatically and statically feeds coffee powder, is sealed statically, the static sealing does not leak pressure, and is in static working state.

[0007] In view of the above, the utility model provides full -automatic coffee machine brewing cavity, including brewing cavity main part, coffee powder support plate, filter piece body, water connector, button, brewing cavity, gear assembly and filter assembly still include: the upper portion of brewing cavity main part is fixed with coffee powder support plate, one end of coffee powder support plate is provided with brewing cavity, coffee powder support plate plane is used for receiving coffee powder, the rear portion of brewing cavity main part is provided with second opening, and gear assembly and filter assembly are provided in second opening, the inside of brewing cavity is provided with filter piece body, the lower part of brewing cavity is provided with through -hole, and the through -hole is provided with rack.

[0008] Based on the above structure, the brewing work is carried out through the brewing cavity main body, the coffee powder can be placed through the coffee powder support plate, the water connector can be connected with the external water pipe, the filtering work can be carried out through the filter piece body, the sealing is ensured through the first sealing ring, then the pressure and temperature of the device are adjusted through the rack, so as to affect the taste and mouthfeel of coffee, then the limiting piece, magnet can stop and fix and position the component, then the first transmission gear can transmit power and adjust the grinding degree, cooperate with the transmission joint gear to transmit power and torque, ensure the normal operation of the device, cooperate with the use, realize full -automatic brewing, save time and effort, increase the efficiency of the device, then the coffee pot rack can fix the coffee pot, the coffee pot can be operated through the button, the coffee pot handle and the water outlet are fixed through the lock spring, ensure the stability and safety during the coffee making process, then the baffle and the first positioning part can be used for heat insulation and help maintain the structural stability of the machine, then the brewing cavity is limited through the second positioning part, the brewing cavity maintains constant temperature, then the heated water is uniformly brewed through the brewing head, and the coffee is made, cooperate with the use, the first positioning part is pulled tight, and the brewing head on the button is vertically sealed and connected without pressure leakage.

[0009] Preferably, the filter assembly is composed of a filter body, a rack, and a limiting piece, one end of the limiting piece is provided with a magnet, the magnet moves up and down with the filter assembly to drive the upper switch and the lower switch on the lifting signal plate or disconnect the power supply plate signal, control the filter assembly to move up and down and stop, and the lifting signal plate facilitates control of the filter body.

[0010] Preferably, the upper opening of the brewing cavity is arranged on one side of the plane of the coffee powder support plate, and the annular pusher is arranged on the plane of the coffee powder support plate, the bottom of the annular pusher is slidably connected with the plane of the coffee powder support plate, the upper opening of the annular pusher is connected with the powder outlet of the bean grinding system in a penetrating manner, forming a powder conveying ring.

[0011] Preferably, the other side of the brewing cavity on the upper part of the coffee powder supporting plate plane is provided with a rotating column and a spring socket, the spring socket is arranged in an arc shape on one side of the rotating column, the rotating column is sleeved with one end of the push plate, a torsion spring body is arranged between the rotating column and the push plate, the upper end of the torsion spring body is inserted into the hole of the push plate, the lower part of the torsion spring body is inserted into the spring socket, the front cover plate covers the opening in the front part of the brewing cavity body, and the driving torsion spring part on the front cover plate drives the lower end of the torsion spring body to generate a torsion force to drive the push plate to swing to the outside of the brewing cavity between the coffee powder supporting plate and the brewing cavity.

[0012] Preferably, the filter body is integrally arranged with the rack or is separately arranged, the lower part of the rack is provided with a limiting piece, the limiting piece is provided with a magnet on the periphery, and a filter lifting signal plate is correspondingly arranged on the periphery of the magnet; the filter lifting signal plate is arranged on the coffee maker rack, and the rear cover plate protects the brewing cavity body.

[0013] Preferably, the through hole is arranged at the bottom of the brewing cavity body, the rack is arranged in the through hole, the upper part of the rack is provided with a first sealing ring, the first sealing ring is in sliding sealing connection with the through hole, and the coffee cake is movably arranged at the top of the through hole and is pushed by the annular pushing piece.

[0014] Preferably, the gear assembly is sequentially provided with a transmission joint tooth, a first transmission tooth and a rack transmission connection from outside to inside, the outer end of the transmission joint tooth is provided with a transmission interface and is coupled and connected in rotation with the motor on the coffee maker rack to drive the filter assembly to move up and down.

[0015] Preferably, the rear cover plate is arranged at the rear part of the brewing cavity body, a water connector is arranged on the rear cover plate, a second sealing ring is arranged between the water connector and the brewing cavity body in sealing through connection, the rear cover plate is provided with an opening and is sleeved with a transmission interface, the rear cover plate closes the gear assembly in the brewing cavity body, a pressure maintaining spring is fixedly arranged on one side of the rear cover plate, and a pressure maintaining plug is fixedly arranged on the other side of the pressure maintaining spring; the pressure maintaining spring can control the water flow speed and pressure during coffee making.

[0016] Preferably, the brewing cavity body is provided with a key on both sides, the key is driven outward by a lock spring and is locked and connected with the coffee maker rack, the front part of the brewing cavity body is provided with a baffle on the upper end, at least one first positioning part is arranged on the baffle and is connected with a second positioning part on the coffee maker rack, and the first positioning part is pulled to be in tension to realize perpendicular sealing connection between the upper opening of the brewing cavity body and the brewing head on the coffee maker rack, so that the brewing pressure is not leaked.

[0017] Preferably, the brewing cavity body is adaptively locked and connected with the brewing cavity groove on the coffee maker rack.

[0018] The beneficial effects of the utility model are as follows:

[0019] 1. The full-automatic coffee machine brewing cavity, can use the brewing cavity main part to carry out brewing work, the coffee powder support plate can be used to place the coffee powder, the water connector can be connected with the external water pipe, and the filter element body can be used for filtering work, the first sealing ring is used to ensure the sealing property, then the rack is used to adjust the pressure and temperature of the device, so as to affect the taste and mouthfeel of coffee, then the limiting piece, the magnet can conveniently stop and fix and position the component, and the first transmission gear can be used to transmit power and adjust the grinding degree, and the transmission connector gear is used to transmit power and torque, so as to ensure the normal operation of the device, and the full-automatic brewing is realized, the labor is saved, and the efficiency of the device is improved.

[0020] 2. The full-automatic coffee machine brewing cavity, can use the coffee pot rack to fix the coffee pot, the button can be used to operate the coffee pot, the lock spring is used to fix the coffee pot handle and the water outlet, so as to ensure the stability and safety during coffee making, then the baffle and the first positioning part can be used for heat insulation and help maintain the structural stability of the machine, then the second positioning part is used to limit the brewing cavity, the brewing cavity is used to keep constant temperature, then the brewing head is used to uniformly brew the coffee powder, and the strong coffee is made, and the first positioning part is used in cooperation to pull the upper opening of the brewing cavity and the brewing head on the button vertically and sealingly connected without pressure leakage. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall perspective view of the utility model;

[0022] Figure 2 It is the overall side perspective view of the utility model;

[0023] Figure 3 It is the partial perspective view of the brewing cavity main part in the utility model;

[0024] Figure 4 It is the partial structure schematic view of the filter element body in the utility model.

[0025] The marks in the figure are:

[0026] 1, brewing cavity body; 101, coffee powder support plate; 102, filter body; 103, first transmission gear; 104, transmission joint gear; 105, water joint; 2, button; 201, lock spring; 202, baffle; 203, first positioning part; 204, second positioning part; 205, brewing cavity; 206, brewing head; 207, coffee maker frame; 3, filter lifting signal plate; 301, upper switch; 302, lower switch; 4, rotating column; 401, spring socket; 402, torsional spring body; 403, push plate; 404, drive torsional spring part; 5, through hole; 501, coffee cake; 6, rear cover plate; 7, annular pusher; 71, brewing cavity groove; 8, pressure retaining spring; 801, pressure retaining plug; 802, second sealing ring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] The present application discloses a full-automatic coffee machine brewing cavity, please refer to Figures 1-4 , comprising a brewing cavity body 1, a coffee powder support plate 101, a filter body 102, a water joint 105, a button 2, a brewing cavity 205, a gear assembly and a filter assembly, characterized in that, further comprising: the coffee powder support plate 101 is fixedly arranged on the upper part of the brewing cavity body 1, the brewing cavity 205 is arranged at one end of the coffee powder support plate 101, the coffee powder support plate 101 is used for receiving coffee powder, the second opening is arranged at the rear part of the brewing cavity body 1, the gear assembly and the filter assembly are arranged in the second opening, the filter body 102 is arranged on the inner side of the brewing cavity 205, the through hole 5 is arranged at the lower part of the brewing cavity 205, and the gear rack is arranged in the through hole 5.

[0029] Based on the above structure, the brewing cavity body 1 can be used for brewing work, the coffee powder can be placed on the coffee powder supporting plate 101, the water connector 105 can be connected with the external water pipe, the filter body 102 can be used for filtering work, the first sealing ring can ensure the sealing, and then the rack can adjust the pressure and temperature of the device, so as to affect the taste and mouthfeel of the coffee, then the limiting piece, the magnet can conveniently stop and fix and position the component, and then the first transmission gear 103 can transmit power and adjust the grinding degree, and the transmission connector gear 104 can transmit power and torque, so as to ensure the normal operation of the device, and the coffee pot rack 207 can be used to fix the coffee pot, the coffee pot can be operated through the button 2, the lock spring 201 can fix the coffee pot handle and the water outlet, so as to ensure the stability and safety during the coffee making process, then the baffle 202 and the first positioning part 203 can be used for heat insulation and help maintain the structural stability of the machine, then the second positioning part 204 limits the brewing cavity 205, the brewing cavity 205 keeps constant temperature, then the brewing head 206 uniformly brews the coffee powder heated by water, and rich coffee is made, and the first positioning part 203 is used in cooperation to tightly connect the upper opening of the brewing cavity 205 and the brewing head 206 on the button 2, so that the pressure brewing pressure is not leaked.

[0030] In one embodiment, the filter assembly is composed of the filter body 102, the rack and the limiting piece, one end of the limiting piece is provided with a magnet, the magnet moves up and down with the filter assembly to drive the upper switch 301 and the lower switch 302 on the filter lifting signal plate 3 or disconnect the power supply signal, and control the filter assembly to move up and down and stop.

[0031] Specifically, the filter lifting signal plate 3 can be responsible for controlling the lifting of the coffee pot, so as to realize the extraction of coffee, mainly through the upper switch 301 and the lower switch 302.

[0032] In this embodiment, the upper switch 301 and the lower switch 302 control the filter lifting signal plate 3, and increase the practicability.

[0033] In one embodiment, the upper opening of the brewing cavity 205 is arranged on one side of the plane of the coffee powder supporting plate 101, the annular pushing piece 7 is arranged on the plane of the coffee powder supporting plate 101, the bottom of the annular pushing piece 7 is slidably connected with the plane of the coffee powder supporting plate 101, the upper opening of the annular pushing piece 7 is throughly connected with the powder outlet of the bean grinding system, and a powder feeding ring is formed.

[0034] Specifically, the rotating column 4 can be used to adjust the function options of the coffee machine, and then the spring socket 401 is used to control the water flow speed, avoid splashing and prevent water backflow, and then the torsional spring body 402 is used to play a buffering and damping role, and the push plate 403 is pushed to the rotating column 4 to move, and the torsional spring piece 404 can control the torsional spring body 402.

[0035] In this embodiment, the torsional spring body 402 protects the mechanical equipment and parts from damage.

[0036] In one embodiment, the other side of the brewing cavity 205 on the upper part of the coffee powder supporting plate 101 is provided with a rotating column 4 and a spring socket 401, the spring socket 401 is arc-shaped and arranged on one side of the rotating column 4, the rotating column 4 is sleeved with one end of the push plate 403, the torsional spring body 402 is arranged between the rotating column 4 and the push plate 403, the upper end of the torsional spring body 402 is inserted into the hole of the push plate 403, the lower part of the torsional spring body 402 is inserted into the spring socket 401, and the front cover plate is covered on the front opening of the brewing cavity main body 1. The driving torsional spring piece 404 on the front cover plate drives the lower end of the torsional spring body 402 to generate torsion to drive the push plate 403 to swing to the outside of the brewing cavity 205 between the brewing cavity 205 and the coffee powder supporting plate 101.

[0037] Specifically, the through hole 5 can be used to fix the coffee cake 501.

[0038] In this embodiment, the coffee cake 501 is ejected, which is convenient for replacement.

[0039] In one embodiment, the filter body 102 is integrally arranged with the rack or separately arranged, the rack is provided with a limiting piece at the lower part, the limiting piece is provided with a magnet at the periphery, the magnet is provided with a filter lifting signal plate 3 at the periphery, and the filter lifting signal plate 3 is arranged on the coffee pot rack 207.

[0040] Specifically, the rear cover plate 6 can be used to protect the device, the first transmission tooth 103 of the gear assembly can be used to transmit power and adjust the grinding degree, and the additional driving joint tooth 104 and the rack can be used to transmit power and torque, so as to ensure that the device can normally operate.

[0041] In this embodiment, the rack can adjust the pressure and temperature of the device.

[0042] In one embodiment, the through hole 5 is arranged at the bottom of the brewing cavity 205, the rack is arranged in the through hole 5, the first sealing ring is arranged at the upper part of the rack, the first sealing ring is in sliding sealing connection with the through hole 5, the rack is circularly arranged, one side of the rack is provided with a strip-shaped tooth, and the strip-shaped tooth is in toothed transmission connection with the first transmission tooth 103 for lifting, and the coffee cake 501 is movably installed at the top of the through hole 5.

[0043] Specifically, the annular pushing piece 7 can be used to push the coffee cake 501, and ensure that the coffee powder is uniformly compacted.

[0044] In this embodiment, the coffee cake 501 is pushed, enhancing the full automatic function.

[0045] In one embodiment, the gear assembly is provided with a transmission joint tooth 104, a first transmission tooth 103 and a rack transmission connection from outside to inside. The outer end of the transmission joint tooth 104 is provided with a transmission interface which is coupled and rotated with the motor on the coffee machine rack to drive the filter assembly to move up and down.

[0046] Specifically, the water flow of the device can be controlled by the pressure maintaining spring 8, and then a certain water pressure is maintained by the pressure maintaining plug 801, and the sealing property of the pressure maintaining plug 801 can be enhanced by the second sealing ring 802.

[0047] In this embodiment, the pressure maintaining plug 801 ensures the water pressure, thereby ensuring the quality and taste of coffee.

[0048] In one embodiment, the rear cover plate 6 is arranged at the rear of the brewing cavity body 1, the water joint 105 is arranged on the rear cover plate 6, the second sealing ring 802 is arranged between the water joint 105 and the brewing cavity 205 to seal and connect through, the rear cover plate 6 is provided with an opening which is sleeved with the transmission interface, the rear cover plate 6 closes the gear assembly in the brewing cavity body 1, the pressure maintaining spring 8 is fixedly installed on one side of the rear cover plate 6, and the pressure maintaining plug 801 is fixedly installed on the other side of the pressure maintaining spring 8.

[0049] In one embodiment, the keys 2 are arranged on both sides of the brewing cavity body 1, the keys 2 are driven outwardly by the lock spring 201 and are locked and connected with the coffee machine rack, the baffle 202 is arranged on the upper end of the front of the brewing cavity body 1, at least one first positioning part 203 is arranged on the baffle 202 and is connected with the second positioning part 204 of the coffee machine rack, the first positioning part 203 is pulled to tightly connect the upper opening of the brewing cavity 205 with the brewing head 206 on the coffee machine rack in a vertical sealing manner, and the brewing pressure is not leaked.

[0050] In one embodiment, the brewing cavity body 1 is adaptively and lockingly connected with the brewing cavity groove 71 on the coffee pot rack 207.

[0051] The full-automatic coffee machine brewing cavity of the embodiment can control the lifting of the coffee pot by the filter lifting signal plate 3 when in use, so as to realize the extraction of coffee, mainly by the upper switch 301 and the lower switch 302, then the coffee cake 501 is fixed by the through hole 5, the coffee cake 501 is pushed by the annular pushing piece 7, the coffee powder is ensured to be uniformly compacted, the function options of the coffee machine can be adjusted by the rotating column 4, then the spring jack 401 is used for controlling the water flow speed, avoiding splashing and preventing water backflow, the torsional spring body 402 is used for buffering and damping, the pushing plate 403 is used for pushing the rotating column 4 to move, the torsional spring piece 404 is used for controlling the torsional spring body 402, the brewing cavity main body 1 is used for brewing work, the coffee powder is placed on the coffee powder supporting plate 101, the water connector 105 is used for connecting with the external water pipe, the filter body 102 is used for filtering work, the first sealing ring is used for ensuring the sealing property, then the rack is used for adjusting the pressure and temperature of the device, so as to affect the taste and mouthfeel of coffee, then the limiting piece, the magnet is used for conveniently stopping and fixing and positioning the component, the first transmission tooth 103 is used for transmitting power and adjusting the grinding degree, the coffee pot rack 207 is used for fixing the coffee pot, the coffee pot is operated by the button 2, the lock spring 201 is used for fixing the coffee pot handle and the water outlet, the stability and safety during the coffee making process are ensured, then the baffle 202 and the first positioning part 203 are used for heat insulation and helping to maintain the structural stability of the machine, the brewing cavity body 205 is limited by the second positioning part 204, the brewing cavity body 205 keeps constant temperature, the brewing head 206 is used for uniformly brewing the coffee powder with the heated water, and the rich coffee is made, the device is protected by the back cover plate 6, the first transmission tooth 103 of the gear assembly is used for transmitting power and adjusting the grinding degree, the power transmission joint tooth 104 and the rack transmit power and torque, the device can normally operate, the pressure maintaining spring 8 is used for controlling the water flow of the device, the pressure maintaining plug 801 keeps certain water pressure, and the second sealing ring 802 can enhance the sealing property of the pressure maintaining plug 801.

[0052] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A full-automatic coffee machine brewing chamber, comprising a brewing chamber main body (1), a coffee powder supporting plate (101), a filter element body (102), a water connector (105), a button (2), a brewing chamber body (205), a gear assembly and a filter assembly, characterized in that, Also include: The upper part of the brewing cavity body (1) is fixedly provided with a coffee powder supporting plate (101), one end of the coffee powder supporting plate (101) is provided with a brewing cavity (205), the coffee powder supporting plate (101) is used for supporting coffee powder, the rear part of the brewing cavity body (1) is provided with a second opening, a gear assembly and a filter assembly are arranged in the second opening, the inner side of the brewing cavity (205) is provided with a filter body (102), the lower part of the brewing cavity (205) is provided with a through hole (5), and the through hole (5) is provided with a rack.

2. The fully automatic coffee machine brewing chamber according to claim 1, characterized in that: The filter assembly is composed of the filter body (102), the rack and the limiting piece, one end of the limiting piece is provided with a magnet, the magnet drives the upper switch (301) and the lower switch (302) on the filter lifting signal plate (3) to be turned on or turned off to the power supply plate signal when the filter assembly moves up and down, and the filter assembly is controlled to stop moving up and down.

3. The fully automatic coffee machine brewing chamber according to claim 1, characterized in that: The upper part of the coffee powder supporting plate (101) is provided with an upper opening of the brewing cavity (205) on one side of the plane, and an annular pushing piece (7) is arranged on the plane of the coffee powder supporting plate (101). The bottom of the annular pushing piece (7) is in sliding connection with the plane of the coffee powder supporting plate (101), the upper opening of the annular pushing piece (7) is in through connection with a powder outlet of a bean grinding system, and a powder feeding ring is formed.

4. The fully automatic coffee machine brewing chamber according to claim 1, characterized in that: The brewing cavity (205) on the upper part of the plane of the coffee powder supporting plate (101) is provided with a rotating column (4) and a spring insertion hole (401) on the other side, the spring insertion hole (401) is arranged in an arc shape on one side of the rotating column (4), the rotating column (4) is sleeved with a push plate (403) at one end, a torsion spring body (402) is arranged between the rotating column (4) and the push plate (403), the upper end of the torsion spring body (402) is inserted into a hole of the push plate (403), the lower part of the torsion spring body (402) is inserted into the spring insertion hole (401), a front cover plate is arranged on the front opening of the brewing cavity body (1), and a driving torsion spring piece (404) on the front cover plate pushes the lower end of the torsion spring body (402) to generate a torsion force to drive the push plate (403) to swing to the outside of the brewing cavity (205) between the brewing cavity (205) and the coffee powder supporting plate (101).

5. The fully automatic coffee machine brewing chamber according to claim 1, characterized in that: The filter body (102) and the rack are arranged integrally or separately, the limiting piece is arranged at the lower part of the rack, the magnet is arranged on the periphery of the limiting piece, the filter lifting signal plate (3) is arranged on the periphery of the magnet, and the filter lifting signal plate (3) is arranged on the coffee kettle rack (207).

6. The fully automatic coffee machine brewing chamber according to claim 1, characterized in that: The through hole (5) is arranged at the bottom of the brewing cavity (205), the rack is arranged in the through hole (5), the first sealing ring is arranged at the upper part of the rack, the first sealing ring is in sliding sealing connection with the through hole (5), the rack is circularly arranged, one side of the rack is provided with a strip-shaped tooth, and the strip-shaped tooth is in gear transmission connection with the first transmission tooth (103) for lifting, and the coffee cake (501) is movably arranged at the top of the through hole (5).

7. The fully automatic coffee machine brewing chamber according to claim 1, characterized in that: The gear assembly is sequentially provided with a transmission joint tooth (104), the first transmission tooth (103) and the rack transmission connection from outside to inside, the outer end of the transmission joint tooth (104) is provided with a transmission interface and is coupled and connected with a motor on the coffee machine rack to rotate and drive the filter assembly to move up and down.

8. The fully automatic coffee machine brewing chamber according to claim 1, characterized in that: The rear of the brewing cavity body (1) is provided with a rear cover plate (6), the rear cover plate (6) is provided with a water connector (105), the water connector (105) and the brewing cavity (205) are connected in penetration through the sealing of a second sealing ring (802), the rear cover plate (6) is provided with an opening and a transmission interface sleeve joint, the rear cover plate (6) closes the gear assembly in the brewing cavity body (1), one side of the rear cover plate (6) is fixedly provided with a pressure maintaining spring (8), the other side of the pressure maintaining spring (8) is fixedly provided with a pressure maintaining plug (801).

9. The fully automatic coffee machine brewing chamber according to claim 1, characterized in that: The brewing cavity body (1) is provided with a button (2) on both sides, the button (2) is driven outwardly by a lock spring (201) and is locked and connected with the coffee machine rack, the front upper end of the brewing cavity body (1) is provided with a baffle (202), the baffle (202) is provided with at least one first positioning part (203) and is connected with a second positioning part (204) of the coffee machine rack, the first positioning part (203) is tensioned and connected with the brewing head (206) on the coffee machine rack in a vertical sealing manner to prevent the brewing pressure from leaking.

10. The fully automatic coffee machine brewing chamber according to claim 1, characterized in that: The brewing cavity body (1) is adaptively locked and connected with the brewing cavity groove (71) on the coffee pot rack (207).

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