CN211093427U - Coffee brewing device - Google Patents

Coffee brewing device Download PDF

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Publication number
CN211093427U
CN211093427U CN201921996450.5U CN201921996450U CN211093427U CN 211093427 U CN211093427 U CN 211093427U CN 201921996450 U CN201921996450 U CN 201921996450U CN 211093427 U CN211093427 U CN 211093427U
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China
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barrel
brewing
gear
coffee
rotating shaft
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CN201921996450.5U
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Chinese (zh)
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田锋
杨川
张晓龙
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Sichan Ai Chance Technology Co ltd
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Sichan Ai Chance Technology Co ltd
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Abstract

The utility model discloses a coffee brewing device, a brewing barrel can be rotationally arranged on a machine body; the brewing barrel can be driven by the lower driving structure to vertically lift, and the extracting mechanism can be driven by the upper driving mechanism to vertically lift; the brewing barrel is driven by the upper driving structure to rotate back and forth between the coffee powder port and the extracting mechanism. The utility model realizes the feeding, extrusion, brewing and transportation of coffee powder through two sets of driving mechanisms, the upper driving mechanism not only can drive the extraction mechanism to lift so as to extrude the coffee powder and transport the coffee liquid, but also can drive the brewing barrel to rotate so as to feed the coffee powder, and the lower driving mechanism can drive the compression leg to lift so as to extrude the coffee powder, transport the coffee liquid and discharge the coffee residues; mechanical faults possibly caused by a complicated structure are avoided, the whole brewing process is smooth and reliable, and a complex coffee brewing process is realized by means of a simple structure.

Description

Coffee brewing device
Technical Field
The utility model relates to a beverage preparation equipment technical field, especially a coffee brewing device.
Background
With the development of self-service vending equipment, beverage preparation equipment is more and more popular, wherein self-service coffee machines are more and more widely applied to occasions such as offices, families, coffee shops, bars, hotels and the like. The self-service coffee machine can automatically grind a certain amount of coffee beans, send ground coffee powder into the brewing device, after the brewing device presses the coffee powder into coffee powder cakes, the water feeding device sends heated high-pressure water into the brewing device to brew the coffee powder cakes, and then the brewed coffee is sent into a coffee cup through a conduit.
The conventional coffee brewing device needs to adopt a plurality of sets of mechanisms to feed, extrude and brew coffee powder, the structure is complex, and the complex matching among the plurality of sets of structures easily causes errors, so that the extraction of the coffee powder is insufficient or excessive, and the experience of customers is influenced; in addition, the conventional coffee brewing device is driven by a connecting rod and a piston and then is matched with a front cover to extrude and discharge coffee powder, and the driving structure of the coffee brewing device is easy to overload, so that the coffee brewing device is damaged due to failure and unsmooth coffee brewing.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provides a coffee brewing device with simple structure and smooth and reliable brewing.
For solving the technical problem the utility model discloses the technical scheme who adopts is: the coffee brewing device comprises a machine body and a brewing barrel, wherein the machine body is provided with a coffee powder port, and the brewing barrel is rotatably arranged on the machine body; the brewing barrel can be driven by the lower driving structure to vertically lift, and the extracting mechanism can be driven by the upper driving mechanism to vertically lift; the brewing barrel is driven by the upper driving structure to rotate back and forth between the coffee powder port and the extracting mechanism; when the brewing barrel rotates to the lower part of the extracting mechanism, the brewing barrel and the extracting mechanism are butted through relative lifting and are used for extruding and brewing the coffee powder.
Further, the method comprises the following steps: the extraction mechanism comprises an extraction barrel and an upper gear nut, the extraction barrel is of a hollow cylinder structure with the top sealed, the outer surface of the extraction barrel is provided with external threads, and the upper gear nut is sleeved on the extraction barrel and is in threaded fit with the extraction barrel; the upper gear nut is in transmission connection with the upper driving mechanism, and the extraction barrel can vertically lift under the drive of the upper driving mechanism.
Further, the method comprises the following steps: the bottom of the extraction barrel is provided with a filter screen.
Further, the method comprises the following steps: the lower end of the extraction barrel is provided with a sealing ring.
Further, the method comprises the following steps: the upper driving mechanism comprises an upper driving motor and an upper transmission structure, and the upper transmission structure comprises a first upper gear and a second upper gear; the upper portion driving motor is fixed on the fuselage, and first upper portion gear is connected with upper portion driving motor transmission, and second upper portion gear rotatable coupling is on the fuselage and with first upper portion gear drive meshing, upper portion gear nut and second upper portion gear drive meshing.
Further, the method comprises the following steps: the lower driving mechanism comprises a lower driving motor and a lower transmission structure, and the lower transmission structure comprises a first lower gear and a second lower gear; the lower driving motor is fixed on the machine body, the first lower gear is in transmission connection with the lower driving motor, the second lower gear is rotatably connected on the machine body and is in transmission engagement with the first lower gear, and the brewing barrel is in transmission connection with the second lower gear.
Further, the method comprises the following steps: the brewing barrel is internally provided with a pressing column, the top of the pressing column is provided with a pressing plate tightly attached to the inner cavity of the brewing barrel, the outer surface of the pressing column is provided with external threads and is in threaded connection with a lower gear nut, and the lower gear nut is in transmission engagement with a second lower gear.
Further, the method comprises the following steps: the upper end of the deflector rod rotating shaft is connected with the second upper gear, and the lower end of the deflector rod rotating shaft is a deflector end; the deflector rod rotating shaft is driven by the second upper gear to rotate and deflect the brewing barrel so that the brewing barrel can rotate back and forth between the coffee powder port and the extraction mechanism.
Further, the method comprises the following steps: the poking end of the poking rod rotating shaft is provided with a limiting notch consisting of two limiting blocking pieces, the side surface of the brewing barrel is provided with a rotating shaft end, and the rotating shaft fixed at the rotating shaft end is movably connected with the machine body; the poking piece is fixed on the rotating shaft end and extends into the limiting notch, and the brewing barrel can rotate around the rotating shaft under the poking of the poking rod rotating shaft.
Further, the method comprises the following steps: the top end of the extraction barrel is communicated with the adapter, and the outlet end of the adapter can be in butt joint communication with the upper end of the liquid outlet pipe; the outlet end of the adapter is also provided with a liquid outlet sealing ring.
The utility model has the advantages that: the utility model realizes the feeding, extrusion, brewing and transportation of coffee powder through two sets of driving mechanisms, the upper driving mechanism not only can drive the extraction mechanism to lift so as to extrude the coffee powder and transport the coffee liquid, but also can drive the brewing barrel to rotate so as to feed the coffee powder, and the lower driving mechanism can drive the compression leg to lift so as to extrude the coffee powder, transport the coffee liquid and discharge the coffee residues; the utility model discloses avoided the mechanical fault that loaded down with trivial details structure probably caused, whole dashing bubble process is reliable and smooth, relies on simple structure to realize complicated coffee and steeps the process.
Drawings
Fig. 1 is an isometric view of the present invention;
fig. 2 is a right side sectional view of the present invention;
fig. 3 is a left side sectional view of the present invention;
fig. 4 is an isometric view of the internal structure of the present invention;
fig. 5 is an isometric view of the internal structure of the present invention;
labeled as: 100-machine body, 110-coffee powder port, 120-liquid outlet pipe, 200-brewing barrel, 210-pressing column, 220-lower gear nut, 230-rotating shaft, 240-shifting sheet, 300-extracting mechanism, 310-extracting barrel, 320-upper gear nut, 330-filter screen, 340-sealing ring, 350-adapter, 360-liquid outlet sealing ring, 400-upper driving mechanism, 410-upper driving motor, 420-first upper gear, 430-second upper gear, 500-lower driving mechanism, 510-lower driving motor, 520-first lower gear, 530-second lower gear, 600-shifting rod rotating shaft, 610-limiting blocking sheet and 620-limiting notch.
Detailed Description
In order to facilitate understanding of the present invention, the following description is further provided with reference to the accompanying drawings.
As shown in fig. 1 to 3, the coffee brewing device of the present invention employs two sets of driving mechanisms, including an upper driving mechanism 400 and a lower driving mechanism 500, wherein the upper driving mechanism 400 can drive the extracting mechanism 300 to vertically lift and lower to extrude the coffee powder and transport the coffee liquid, and can drive the brewing barrel 200 to rotate reciprocally to feed the coffee powder, and the lower driving mechanism 500 can drive the pressing rod 210 in the brewing barrel 200 to vertically lift and cooperate with the extracting mechanism 300 to extrude the coffee powder, transport the coffee liquid and discharge the coffee grounds.
As shown in fig. 4 and 5, the extraction mechanism 300 of the present invention includes an extraction barrel 310 and an upper gear nut 320, the extraction barrel 310 is a hollow cylinder structure, the top of the extraction barrel 310 is sealed, the bottom is open and is provided with a filter screen 330, the filter screen 330 is used for filtering coffee liquid when delivering coffee liquid, so as to prevent coffee grounds from entering the extraction barrel 310, and the aperture of the filter hole of the filter screen 330 is set to be 0.3 mm; the external thread is arranged on the outer surface of the extracting barrel 310, the upper gear nut 320 is sleeved on the outer surface of the extracting barrel 310, the upper gear nut 320 is of a circular ring structure, the outer surface of the upper gear nut 320 is a gear, and the internal thread matched with the external thread on the extracting barrel 310 is arranged on the inner surface of the upper gear nut 320; through the thread fit of the extraction barrel 310 and the upper gear nut 320, when the upper gear nut 320 rotates, the extraction barrel 310 can be driven to vertically lift, and the rotation of the upper gear nut 320 is driven by the upper driving mechanism 400; the extraction barrel 310 may be rotatably connected to the body 100 via a shaft or bearing-like structure.
The above-mentioned upper driving mechanism 400 is embodied as shown in fig. 4 and 5, and includes an upper driving motor 410 and an upper transmission structure, wherein the upper transmission structure includes a first upper gear 420 and a second upper gear 430; the upper driving motor 410 is fixed on the machine body 100, the first upper gear 420 is in transmission connection with the upper driving motor 410, the second upper gear 430 is rotatably connected on the machine body 100 and is in transmission engagement with the first upper gear 420, and the upper gear nut 320 is in transmission engagement with the second upper gear 430. The upper driving motor 410 operates to rotate the first upper gear 420, the first upper gear 420 rotates to rotate the second upper gear 430 engaged therewith, and the second upper gear 430 rotates to rotate the upper gear nut 320, thereby vertically lifting the extracting barrel 310.
The specific implementation structure of the lower driving mechanism 500 is shown in fig. 4 and 5, and includes a lower driving motor 510 and a lower transmission structure, where the lower transmission structure includes a first lower gear 520 and a second lower gear 530; the lower driving motor 510 is fixed on the machine body 100, the first lower gear 520 is in transmission connection with the lower driving motor 510, the second lower gear 530 is rotatably connected on the machine body 100 and is in transmission engagement with the first lower gear 520, and the press column 210 in the brewing barrel 200 is in transmission connection with the second lower gear 530. The lower driving motor 510 is operated to rotate the first lower gear 520, the first lower gear 520 rotates to rotate the second lower gear 530 engaged therewith, and the second lower gear 530 rotates to rotate the compression leg 210.
The utility model discloses well dashing and steeping bucket 200 mainly used is with extracting bucket 310 cooperation in order to carry out the suppression of coffee powder, the dashing of coffee, the transport of coffee liquid and the slag tap of coffee sediment, dashing and steeping the specific structure of bucket 200 and as shown in figure 4 and figure 5, dash and steep bucket 200 and be the drum structure, dash and steep the bucket 200 and be equipped with compression leg 210 in 200, the inside pipe that is linked together with coffee machine water supply system that can set up of compression leg 210, the top of compression leg 210 is equipped with the clamp plate of closely laminating with dashing and steeping bucket 200 inner chamber, the surface of compression leg 210 is equipped with the external screw thread and with lower part gear nut 220 threaded connection, lower part gear nut 220 and the transmission meshing of second lower part gear 530, the specific structure of lower part gear nut 220 is; in the above, even if the rotation of the compression leg 210 is realized by the lower gear nut 220, the rotation of the second lower gear 530 drives the lower gear nut 220 engaged therewith to rotate, and the rotation of the lower gear nut 220 drives the compression leg 210 to vertically lift.
The brewing barrel 200 is driven by the upper driving mechanism 400 through the rotation of the brewing barrel 200, as shown in fig. 4 and 5, the side surface of the brewing barrel 200 is provided with a rotating shaft end, the rotating shaft 230 fixed at the rotating shaft end is movably connected with the machine body 100, and the poking piece 240 is fixed at the rotating shaft end; the second upper gear 430 is connected with a deflector rod rotating shaft 600, the upper end of the deflector rod rotating shaft 600 is connected with the second upper gear 430, the lower end of the deflector rod rotating shaft 600 is a poking end, the poking end is provided with a limiting notch 620 consisting of two limiting blocking pieces 610, and the poking piece 240 on the brewing barrel 200 extends into the limiting notch 620 and is blocked by the two limiting blocking pieces 610 and cannot be separated from the limiting notch 620. When the second upper gear 430 rotates, the lever rotating shaft 600 is driven by the second upper gear 430 to rotate, the limiting blocking piece 610 shifts the lever 240, so that the brewing barrel 200 rotates around the rotating shaft 230, and the brewing barrel 200 realizes reciprocating displacement from the lower part of the coffee powder port 110 to the lower part of the extraction barrel 310 through axial rotation around the rotating shaft 230.
The extraction barrel 310 is used as a liquid outlet component of coffee, the top end of the extraction barrel 310 is communicated with an adapter 350, and the outlet end of the adapter 350 can be in butt joint communication with a liquid outlet pipe 120 fixed on the machine body 100; during the coffee draining, the adapter 350 descends to contact with the liquid outlet pipe 120 along with the vertical descending of the extraction barrel 310, at the moment, the adapter 350 is communicated with the liquid outlet pipe 120, and the coffee is conveyed from the extraction barrel 310 to the liquid outlet pipe 120 and then conveyed to a coffee cup through a guide pipe of the coffee machine. In order to ensure the sealing performance in the liquid outlet process, a sealing ring 340 is arranged at the lower end of the extraction barrel 310, and a liquid outlet sealing ring 360 is also arranged at the outlet end of the adapter 350.
The utility model discloses a concrete work flow as follows:
the upper driving motor 410 works to drive the first upper gear 420 to rotate, the first upper gear 420 rotates to drive the second upper gear 430 to rotate, the second upper gear 430 rotates to drive the upper gear nut 320 and the deflector rod rotating shaft 600 to rotate simultaneously, the upper gear nut 320 rotates to drive the extraction barrel 310 to rotate so that the extraction barrel 310 vertically descends, meanwhile, the deflector rod rotating shaft 600 rotates to stir the brewing barrel 200 so that the brewing barrel 200 axially rotates around the rotating shaft 230, the brewing barrel 200 rotates from the coffee powder port 110, namely, the powder receiving position, to the extraction position right below the extraction barrel 310, namely, the extraction position, and when the brewing barrel 200 rotates to the position right below the extraction barrel 310, the extraction barrel 310 just descends to be in butt joint with the brewing barrel 200; when the upper driving motor 410 works, the lower driving motor 510 works to drive the first lower gear 520 to rotate, the first lower gear 520 rotates to drive the second lower gear 530 to rotate, the second lower gear 530 rotates to drive the lower gear nut 220 to rotate, the press column 210 in the brewing barrel 200 is driven by the lower gear nut 220 to vertically ascend, when the brewing barrel 220 rotates to be butted with the extracting barrel 310, the press column 210 is matched with the filter screen 330 at the bottom of the extracting barrel 310 to extrude coffee powder in the brewing barrel 200 to press the coffee powder into coffee powder cakes, then a water delivery system of the coffee machine works, high-temperature and high-pressure hot water is injected into the brewing barrel 200 through the guide pipe in the press column 210, the hot water is soaked in the coffee powder cakes to melt the coffee powder and upwards soak through the filter screen 330, the coffee liquid is upwards soaked in the extracting barrel 310, then sequentially flows through the adapter 350 and the liquid outlet pipe 120 and then is delivered into a coffee cup through the guide pipe, completing the coffee brewing work. After brewing, the upper driving motor 410 works to drive the first upper gear 420 to rotate reversely, meanwhile, the lower driving motor 510 works to drive the first lower gear 520 to rotate continuously in the forward direction, the extraction barrel 310 ascends vertically, the rotating shaft 600 is stirred to rotate reversely to stir the brewing barrel 200 towards the coffee powder port 110, the extraction barrel 310 is separated from the brewing barrel 200, the pressing column 210 ascends continuously to eject coffee grounds, the brewing barrel 200 is scraped off the coffee grounds by a scraping blade fixed on the coffee machine on a rotating path, when the brewing barrel 200 rotates to a powder receiving position, the lower driving motor 510 works to drive the first lower gear 520 to rotate reversely, the pressing column 210 descends vertically, the inner cavity of the brewing barrel 200 is emptied, and the coffee powder falls into the brewing barrel 200 from the coffee powder port 110 to wait for the next work.

Claims (10)

1. Coffee brewing device, including fuselage (100) and bubble a bucket (200), be equipped with ground coffee mouth (110) on fuselage (100), its characterized in that: the brewing barrel (200) is rotatably arranged on the machine body (100); the brewing device also comprises a extracting mechanism (300), an upper driving mechanism (400) and a lower driving mechanism (500) which are arranged on the machine body (100), the brewing barrel (200) can be vertically lifted under the driving of the lower driving mechanism, and the extracting mechanism (300) can be vertically lifted under the driving of the upper driving mechanism (400); the brewing barrel (200) is driven by the upper driving structure to rotate back and forth between the coffee powder port (110) and the extracting mechanism (300); when the brewing barrel (200) rotates to the lower part of the extracting mechanism (300), the brewing barrel (200) and the extracting mechanism (300) are butted through relative lifting and are used for extruding and brewing the coffee powder.
2. The coffee brewer of claim 1, wherein: the extraction mechanism (300) comprises an extraction barrel (310) and an upper gear nut (320), the extraction barrel (310) is of a hollow cylinder structure with a sealed top, external threads are arranged on the outer surface of the extraction barrel (310), and the upper gear nut (320) is sleeved on the extraction barrel (310) and is in threaded fit with the extraction barrel (310); the upper gear nut (320) is in transmission connection with the upper driving mechanism (400), and the extraction barrel (310) can vertically lift under the driving of the upper driving mechanism (400).
3. The coffee brewer of claim 2, wherein: the bottom of the extraction barrel (310) is provided with a filter screen (330).
4. The coffee brewer of claim 2, wherein: the lower end of the extraction barrel (310) is provided with a sealing ring (340).
5. The coffee brewer of claim 2, wherein: the upper drive mechanism (400) comprises an upper drive motor (410) and an upper transmission structure comprising a first upper gear (420) and a second upper gear (430); the upper portion driving motor (410) is fixed on the machine body (100), the first upper portion gear (420) is in transmission connection with the upper portion driving motor (410), the second upper portion gear (430) is rotatably connected on the machine body (100) and in transmission engagement with the first upper portion gear (420), and the upper portion gear nut (320) is in transmission engagement with the second upper portion gear (430).
6. The coffee brewer of claim 1, wherein: the lower drive mechanism (500) comprises a lower drive motor (510) and a lower transmission structure comprising a first lower gear (520) and a second lower gear (530); the lower driving motor (510) is fixed on the machine body (100), the first lower gear (520) is in transmission connection with the lower driving motor (510), the second lower gear (530) is rotatably connected on the machine body (100) and is in transmission engagement with the first lower gear (520), and the brewing barrel (200) is in transmission connection with the second lower gear (530).
7. The coffee brewer of claim 6, wherein: the brewing barrel (200) is internally provided with a pressure column (210), the top of the pressure column (210) is provided with a pressure plate which is tightly attached to the inner cavity of the brewing barrel (200), the outer surface of the pressure column (210) is provided with external threads and is in threaded connection with a lower gear nut (220), and the lower gear nut (220) is in transmission engagement with a second lower gear (530).
8. The coffee brewer of claim 5, wherein: the upper end of the deflector rod rotating shaft (600) is connected with the second upper gear (430), and the lower end of the deflector rod rotating shaft (600) is a poking end; the deflector rod rotating shaft (600) is driven by the second upper gear (430) to rotate and move the brewing barrel (200) so that the brewing barrel (200) can rotate back and forth between the coffee powder port (110) and the extraction mechanism (300).
9. The coffee brewer of claim 8, wherein: the poking end of the poking rod rotating shaft (600) is provided with a limiting notch (620) consisting of two limiting blocking pieces (610), the side surface of the brewing barrel (200) is provided with a rotating shaft end, and a rotating shaft (230) fixed at the rotating shaft end is movably connected with the machine body (100); the poking sheet (240) is fixed on the rotating shaft end, the poking sheet (240) extends into the limiting notch (620), and the brewing barrel (200) can rotate around the rotating shaft (230) under the poking of the poking rod rotating shaft (600).
10. The coffee brewer of claim 2, wherein: the extraction barrel is characterized by further comprising a liquid outlet pipe (120) fixed on the machine body (100), the top end of the extraction barrel (310) is communicated with an adapter (350), and the outlet end of the adapter (350) can be in butt joint communication with the upper end of the liquid outlet pipe (120); the outlet end of the adapter (350) is also provided with a liquid outlet sealing ring (360).
CN201921996450.5U 2019-11-18 2019-11-18 Coffee brewing device Active CN211093427U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921996450.5U CN211093427U (en) 2019-11-18 2019-11-18 Coffee brewing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921996450.5U CN211093427U (en) 2019-11-18 2019-11-18 Coffee brewing device

Publications (1)

Publication Number Publication Date
CN211093427U true CN211093427U (en) 2020-07-28

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ID=71686716

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921996450.5U Active CN211093427U (en) 2019-11-18 2019-11-18 Coffee brewing device

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CN (1) CN211093427U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112244647A (en) * 2020-09-30 2021-01-22 河北汇金机电股份有限公司 Coffee machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112244647A (en) * 2020-09-30 2021-01-22 河北汇金机电股份有限公司 Coffee machine

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