CN107049025B - Brewing unit for a coffee machine - Google Patents

Brewing unit for a coffee machine Download PDF

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Publication number
CN107049025B
CN107049025B CN201710075352.7A CN201710075352A CN107049025B CN 107049025 B CN107049025 B CN 107049025B CN 201710075352 A CN201710075352 A CN 201710075352A CN 107049025 B CN107049025 B CN 107049025B
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China
Prior art keywords
piston
slag scraping
unit
coffee
sealing
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CN201710075352.7A
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Chinese (zh)
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CN107049025A (en
Inventor
叶路明
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Suzhou DrCoffee System Technology Co ltd
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Suzhou DrCoffee System Technology Co ltd
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/24Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3666Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means whereby the loading of the brewing chamber with the brewing material is performed by the user
    • A47J31/3671Loose coffee being employed

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

The invention discloses a brewing unit for a coffee machine, which comprises a body formed by a left body and a right body, a brewing chamber accommodated in the body and a coffee powder inlet rotatably arranged on a shell, wherein the coffee powder inlet is arranged above the brewing chamber, a piston A is arranged in the brewing chamber and is provided with a water flow passage, and the piston A is connected with a powder pressing transmission group; the upper part of the brewing chamber is provided with a movable sealing slag scraping unit, the sealing slag scraping unit is connected with a slag scraping transmission group, the sealing slag scraping unit is arranged in the body, the slag scraping transmission group is arranged on one side of the body, and the body is further provided with a pressure relief device. The brewing unit for the coffee machine improves the integration level of equipment by arranging the piston A integrating powder pressing, slag pushing and water injection, simplifies the structure, and simultaneously realizes sealing and slag discharging during coffee extraction by arranging the movable sealing slag scraping unit, simplifies the structure and improves the integration level.

Description

Brewing unit for a coffee machine
Technical Field
The present invention relates to a beverage brewing device, in particular to a brewing unit for a coffee machine.
Background
The existing coffee machines are relatively more, such as automatic coffee machines, and the most core components of the automatic coffee machines comprise fully automatic brewing units, and now, all companies producing the fully automatic coffee machines have own core technologies and apply for patent protection of all countries, and all the brewing units have lengths in technology and practical use.
Disclosure of Invention
The invention mainly solves the technical problem of providing a brewing unit for a coffee machine, which improves the integration level of equipment by arranging a piston A integrating powder pressing, slag pushing and water injection, simplifies the structure, and simultaneously realizes sealing and slag discharging during coffee extraction by arranging a movable sealing slag scraping unit, simplifies the structure and improves the integration level.
In order to solve the technical problems, the invention adopts a technical scheme that: the brewing unit for the coffee machine comprises a body formed by a left body (01) and a right body (07), a brewing chamber (03) accommodated in the body and a coffee powder inlet (06) rotatably arranged on a shell, wherein the coffee powder inlet (06) is arranged above the brewing chamber (03), a piston A (032) is arranged in the brewing chamber (03), a water flow passage is arranged in the piston A (032), and the piston A (032) is connected with a powder pressing transmission group (08); the upper part of the brewing chamber is provided with a movable sealing slag scraping unit (09), the sealing slag scraping unit (09) is connected with a slag scraping transmission group (04), the sealing slag scraping unit (09) is arranged in the body, the slag scraping transmission group is arranged on one side of the body, and the body is further provided with a pressure relief device (05).
Further, the outer ring of the piston is provided with threads (0321), the piston is sleeved with a powder pressing gear, the powder pressing gear is connected with a powder pressing transmission group, the inner side of the powder pressing gear is provided with transmission threads (0331), the front end of the piston is provided with a sealing ring, and the rear end of the piston is connected with a water inlet pipe.
Further, the brewing chamber (03) is provided with a powder bin (31), the powder bin and the piston A form a sealed container, and the piston A can move up and down in the powder bin (31) of the brewing chamber (03).
Further, the sealing slag scraping unit (09) is arranged above the powder bin of the brewing chamber (03) and is closely arranged on the powder bin, and the sealing slag scraping unit (09) can move in parallel back and forth above the brewing chamber (03).
Further, the sealing slag scraping unit (09) comprises a piston B (021) with a piston B thread (0211), a sealing gear (022) with a sealing gear thread (0221) and a slag scraping device (023), the sealing gear is coaxially sleeved on the piston B, the piston moves back and forth by means of the sealing gear, the piston and the sealing gear are arranged in the slag scraping device, and the slag scraping device is composed of the slag scraping device A (023) and the slag scraping device B (026).
Further, the slag scraping device B (026) is provided with a driving screw groove (0262), and the driving screw groove is connected with the slag scraping transmission group (04).
Further, a coffee outlet joint (24) is further arranged in the piston B (021), the front end of the coffee outlet joint (24) is arranged on the lower surface of the piston B, and the rear end of the coffee outlet joint (24) is connected to a coffee outlet (028) through a coffee outlet pipe (027).
Further, the piston B (021) and the powder bin (31) of the brewing chamber (03) form an upper end seal.
Further, the slag scraping transmission group (04) comprises a driving screw 14 and a driving screw 13 which are arranged on the right body, the driving screw 13 is sleeved on the driving screw 14, the driving screw 13 is connected with a driving screw groove (0262) of the sealing slag scraping unit (09), and the driving screw 14 is provided with a driving motor.
Further, a micro switch A and a micro switch B are respectively arranged above the two ends of the driving screw 14 of the slag scraping transmission group (04).
The beneficial effects of the invention are as follows: the brewing unit for the coffee machine improves the integration level of equipment by arranging the piston A integrating powder pressing, slag pushing and water injection, simplifies the structure, and simultaneously realizes sealing and slag discharging during coffee extraction by arranging the movable sealing slag scraping unit, simplifies the structure and improves the integration level; each module uses a separate drive unit, which is more stable in performance and more reliable in life than other brewing devices.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
fig. 1 is a schematic view showing the addition of coffee grounds at the initial position of a brewing unit of the present invention.
Fig. 2 is a schematic diagram showing the displacement of the slag pushing device of the brewing unit.
Fig. 3 shows a schematic view of a sealed brewing chamber of a brewing unit piston B according to the present invention.
Fig. 4 shows a schematic view of the powder compacting position of the piston a of the brewing unit according to the invention.
Fig. 5 shows the piston B in the rest position after the coffee making unit of the present invention is completed.
Fig. 6 shows a schematic view of the top slag of the piston a of the brewing unit according to the invention.
Fig. 7 is a schematic view of the coffee grounds scraping device of the brewing unit of the present invention.
Fig. 8 is an exploded view of the brewing chamber and the water inlet pressure relief unit of the brewing unit of the present invention.
Fig. 9 is an exploded view and an assembled view of the sealing unit of the infusion unit according to the present invention.
Fig. 10 is a schematic view of a left body of the brewing unit according to the present invention.
Fig. 11 is a schematic view of a right body of the brewing unit according to the present invention.
FIG. 12 is a schematic view of the position detection of the scum seal unit of the brewing unit of the present invention.
Fig. 13 is a schematic view showing the overall structure of the brewing unit of the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The brewing unit for the coffee machine comprises a body formed by a left body 01 and a right body 07, a brewing chamber 03 accommodated in the body and a coffee powder inlet 06 rotatably arranged on a shell, wherein the coffee powder inlet 06 is arranged above the brewing chamber 03, a piston A032 is arranged in the brewing chamber 03, the piston A032 is provided with a water flow passage, and the piston A032 is connected with a powder pressing transmission group 08; the brewing chamber top is provided with a mobilizable sealed sediment unit 09 of scraping, and sealed sediment unit 09 is connected with scrapes sediment drive train 04, and sealed sediment unit 09 sets up in the body, scrapes sediment drive train setting in body one side, and the body still is provided with pressure release device 05.
Example 1:
with reference to figures 1 to 13 of the drawings,
the brewing unit for the coffee machine comprises a body formed by a left body 01 and a right body 07, a brewing chamber 03 accommodated in the body and a coffee powder inlet 06 rotatably arranged on a shell, wherein the coffee powder inlet 06 is arranged above the brewing chamber 03, a piston A032 is arranged in the brewing chamber 03, the piston A032 is provided with a water flow passage, and the piston A032 is connected with a powder pressing transmission group 08; the brewing chamber top is provided with a mobilizable sealed sediment unit 09 of scraping, and sealed sediment unit 09 is connected with scrapes sediment drive train 04, and sealed sediment unit 09 sets up in the body, scrapes sediment drive train setting in body one side, and the body still is provided with pressure release device 05.
The piston outer ring is provided with screw thread 0321, has cup jointed the powder pressing gear on the piston, and the powder pressing gear is connected with the powder pressing drive group, and the powder pressing gear inboard is provided with transmission screw thread 0331, and the piston front end is provided with the sealing washer, and the piston rear end is connected with into the water pipe, and brewing chamber 03 is provided with powder storehouse 31, and powder storehouse and piston A constitute sealed container, and piston A can reciprocate in the powder storehouse 31 of brewing chamber 03.
The sealed slag scraping unit 09 is arranged above and closely attached to the powder bin of the brewing chamber 03, the sealed slag scraping unit 09 can move back and forth above the brewing chamber 03 in parallel, the sealed slag scraping unit 09 comprises a piston B021 with a piston B thread 0211, a sealing gear 022 with a sealing gear thread 0221 and a slag scraping device 023, the piston B is coaxially sleeved with the sealing gear, the piston moves back and forth by means of the sealing gear, the piston and the sealing gear are arranged in the slag scraping device, the slag scraping device is composed of a slag scraping device A023 and a slag scraping device B026, the slag scraping device B026 is provided with a driving screw groove 0262, and the driving screw groove is connected with a slag scraping transmission group 04.
The piston B021 is also provided with a coffee outlet joint 24, the front end of the coffee outlet joint 24 is arranged on the lower surface of the piston B, the rear end of the coffee outlet joint 24 is connected to a coffee outlet 028 through a coffee outlet pipe 027, and the piston B021 and a powder bin 31 of the brewing chamber 03 form an upper end seal.
The slag scraping transmission group 04 comprises a driving screw 14 and a driving screw 13 which are arranged on the right body, the driving screw 13 is sleeved on the driving screw 14, the driving screw 13 is connected with a driving screw groove 0262 of the sealing slag scraping unit 09, the driving screw 14 is provided with a driving motor, and a micro switch A and a micro switch B are respectively arranged above two ends of the driving screw 14 of the slag scraping transmission group 04.
Referring to fig. 1 and 12, the brewing unit is in an initial position, the switch trigger device 0261 on the slag scraping device B026 triggers the micro switch a12, the piston a032 is positioned at the bottom of the powder bin 031, the sealed slag scraping unit is positioned at the front end of the brewing unit, the piston a is positioned at the upper end of the sealed slag scraping unit, the coffee powder inlet 06 is fixed between the left body 01 and the right body 07 and rotates along the axis of the powder channel a fixed 013, and the coffee powder inlet 06 injects the coffee powder into the powder bin 031;
referring to fig. 2 and 12, the slag scraping transmission group 04 drives the driving screw 14 to rotate forward, so that the driving screw 13 moves forward, the driving screw 13 is mounted in a driving screw groove 0262 on the slag scraping device B026, the driving screw drives the sealing slag scraping unit to move forward, when the switch trigger device 0261 on the slag scraping device B026 triggers the micro switch B11, the slag scraping transmission group stops, and at the moment, the piston B021 and the powder bin 031 are located on the same axis.
Referring to fig. 3 and 9, the seal driving set 02 drives the seal gear 022 to rotate in the forward direction, the seal gear is provided with seal gear threads 0221, the piston B is provided with piston B threads 0211, the piston B is driven to move axially downwards, the upper end of the piston B is provided with a limiting ring a025, when the limiting ring contacts with the seal gear, the seal driving set stops, and at the moment, the head of the piston B enters the powder bin to seal with the powder bin.
Referring to fig. 4, the powder pressing transmission set 08 drives the powder pressing gear 033 forward, the powder pressing gear is provided with transmission threads 0331, the piston A032 is provided with threads 0321, the piston A is driven to move upwards to press the coffee powder 10, the water inlet 052 starts to supply water, the pressure relief electromagnetic valve 051 is electrified to work, the water inlet is communicated with the pressure relief valve outlet 053, water flows through the water inlet pipe 036 and the water inlet joint 035 from the pressure relief valve outlet to enter the powder bin 031 to extract coffee, the extracted coffee is led out from the coffee outlet joint 024 and flows through the coffee outlet pipe 027 and flows out from the coffee outlet 028, the pressure relief electromagnetic valve is powered off after coffee is manufactured, the pressure relief valve outlet 053 is communicated with the pressure relief opening 054, and the pressure after coffee is boiled in the powder bin is released.
Referring to fig. 5 and 12, after coffee extraction is completed, the sealing transmission set 02 drives the piston B021 to move up to the initial position, the slag scraping transmission set 04 drives the sealing slag scraping unit 09 to move in a reverse direction, and when the switch trigger device 0261 on the slag scraping device B026 triggers the micro switch a12, the slag scraping transmission set stops, and the sealing slag scraping unit returns to the initial state.
Referring to fig. 6, the powder drive group 08 continues to drive the powder gear 033 in the forward direction, the piston a moves upward, and when the limit ring B034 on the piston a contacts the powder gear 033, the powder drive group stops, the coffee powder 10 is ejected out of the powder bin 031,
referring to fig. 7 and 12, the scraping driving set 04 drives the driving screw 14 forward to make the driving screw 13 move forward, the driving screw drives the sealing scraping unit to move forward, when the switch trigger device 0261 on the scraping device B026 triggers the micro switch B11, the scraping driving set stops, at this time, the coffee powder 10 is scraped from the powder bin, then the scraping driving set 04 drives the driving screw 14 reversely to rotate, so that the driving screw 13 moves backward, the driving screw drives the sealing scraping unit to move backward, when the switch trigger device 0261 on the scraping device B026 triggers the micro switch a12, the scraping driving set stops, and the brewing unit returns to the initial state.
The brewing unit for the coffee machine has the beneficial effects that:
1. by arranging the piston A integrating powder pressing, slag pushing and water injection, the integration level of the equipment is improved, the structure is simplified,
2. by arranging the movable sealing slag scraping unit, sealing and slag discharging during coffee extraction are realized, the structure is simplified, and the integration level is improved;
3. each module uses a separate drive unit, which is more stable in performance and more reliable in life than other brewing devices.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.

Claims (6)

1. The brewing unit for the coffee machine is characterized by comprising a body formed by a left body (01) and a right body (07), a brewing chamber (03) accommodated in the body and a coffee powder inlet (06) rotatably arranged on the shell, wherein the coffee powder inlet (06) is arranged above the brewing chamber (03), a piston A (032) is arranged in the brewing chamber (03), the piston A (032) is provided with a water flow passage, and the piston A (032) is connected with a powder pressing transmission group (08);
a movable sealing slag scraping unit (09) is arranged above the brewing chamber, the sealing slag scraping unit (09) is connected with a slag scraping transmission group (04), the sealing slag scraping unit (09) is arranged in the body, the slag scraping transmission group is arranged on one side of the body, and the body is further provided with a pressure relief device (05);
the sealing slag scraping unit (09) comprises a piston B (021) with a piston B thread (0211), a sealing gear (022) with a sealing gear thread (0221) and a slag scraping device, wherein the piston B is coaxially sleeved with the sealing gear, the piston moves back and forth by means of the sealing gear, the piston and the sealing gear are arranged in the slag scraping device, and the slag scraping device is composed of a slag scraping device A (023) and a slag scraping device B (026);
the device is characterized in that the slag scraping device B (026) is provided with a driving screw groove (0262), the driving screw groove is connected with a slag scraping transmission set (04), a coffee outlet connector (24) is further arranged in the piston B (021), the front end of the coffee outlet connector (24) is arranged on the lower surface of the piston B, the rear end of the coffee outlet connector (24) is connected to a coffee outlet (028) through a coffee outlet pipe (027), and the piston B (021) and a powder bin (31) of the brewing chamber (03) form an upper end seal.
2. A brewing unit for a coffee machine according to claim 1, characterized in that the outer ring of the piston a is provided with threads (0321), the piston a is sleeved with a powder pressing gear, the powder pressing gear is connected with a powder pressing transmission group, the inner side of the powder pressing gear is provided with transmission threads (0331), the front end of the piston a is provided with a sealing ring, and the rear end of the piston a is connected with a water inlet pipe.
3. A brewing unit for a coffee machine according to claim 1, characterized in that the brewing chamber (03) is provided with a powder cartridge (31) constituting a sealed container with a piston a movable up and down inside the powder cartridge (31) of the brewing chamber (03).
4. A brewing unit for a coffee machine according to claim 1, characterized in that the sealed slag scraping unit (09) is arranged above and against the powder bin of the brewing chamber (03), the sealed slag scraping unit (09) being movable in parallel back and forth above the brewing chamber (03).
5. A brewing unit for a coffee machine according to claim 1, characterized in that the slag scraping transmission group (04) comprises a driving screw (14) and a driving screw (13) which are arranged on the right body, the driving screw (13) is sleeved on the driving screw (14), the driving screw (13) is connected with a driving screw groove (0262) of the sealing slag scraping unit (09), and the driving screw (14) is provided with a driving motor.
6. A brewing unit for coffee machines according to claim 5, characterized in that a microswitch a and a microswitch B are respectively arranged above the two ends of the drive screw (14) of the scraping drive train (04).
CN201710075352.7A 2017-02-13 2017-02-13 Brewing unit for a coffee machine Active CN107049025B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710075352.7A CN107049025B (en) 2017-02-13 2017-02-13 Brewing unit for a coffee machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710075352.7A CN107049025B (en) 2017-02-13 2017-02-13 Brewing unit for a coffee machine

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CN107049025A CN107049025A (en) 2017-08-18
CN107049025B true CN107049025B (en) 2023-07-28

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106724868A (en) * 2017-02-13 2017-05-31 苏州咖博士咖啡系统科技有限公司 A kind of coffee brewing device
CN107581908B (en) * 2017-10-09 2019-09-10 吴建威 A kind of easy discharging coffee high pressure brewing apparatus that function occurring with foam
CN109757985B (en) * 2019-02-14 2022-06-07 东保集团有限公司 Brewing seat assembly and coffee machine with same
CN115054113B (en) * 2019-08-17 2023-12-08 广东顺德科锐玛电器有限公司 Automatic brewing device for simulating manual coffee
CN110403474B (en) * 2019-08-17 2024-05-17 广东格米莱智能科技有限公司 Full-automatic simulated manual coffee brewing machine
CN113384146A (en) * 2020-03-12 2021-09-14 宁波方太厨具有限公司 Extraction mechanism reaches coffee machine including it
CN113576254A (en) * 2020-04-30 2021-11-02 苏州咖乐美咖啡机科技有限公司 Beverage brewing device's top sediment reset assembly and beverage brewing device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100584256C (en) * 2007-08-10 2010-01-27 李行 Coffee infusing device
CN101254068A (en) * 2008-03-31 2008-09-03 李行 Coffee maker
CN201260608Y (en) * 2008-08-29 2009-06-24 胡振飞 Full automatic or semiautomatic coffee machine pouring device
CN102144887B (en) * 2011-01-10 2013-10-02 苏州工业园区咖乐美电器有限公司 Automatic coffee machine
CN207202729U (en) * 2017-02-13 2018-04-10 苏州咖博士咖啡系统科技有限公司 A kind of brewing unit for coffee machine

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