CN219249861U

CN219249861U - Coffee pressurizing and extracting structure and coffee machine

Info

Publication number: CN219249861U
Application number: CN202223606857.7U
Authority: CN
Inventors: 张学武; 何毅锋
Original assignee: Bojiaming Foshan Intelligent Technology Co ltd
Current assignee: Bojiaming Foshan Intelligent Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-27
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a coffee pressurized extraction structure and a coffee machine thereof, wherein the coffee pressurized extraction structure comprises an extraction filter bucket, the extraction filter bucket is provided with a filter cavity and a liquid outlet, and the liquid outlet is communicated with the filter cavity through a filter screen, and is characterized in that: the filter chamber is characterized by further comprising a feeding barrel, wherein the feeding barrel is in sealing fit with the extraction filter hopper and is communicated with the filter chamber, a feeding opening is formed in the side wall of the feeding barrel, a piston is arranged on the inner side of the feeding barrel, and the piston is driven by a driving mechanism and moves along the axial direction of the feeding barrel so as to press the filter chamber. The feeding cylinder and the piston are arranged above the extraction filter, when coffee powder and water are put into the extraction filter, the piston is used for pressurizing, so that the water is facilitated to permeate into the coffee powder, the fragrance of coffee is permeated, meanwhile, the coffee liquid can be accelerated to be discharged after permeating the extraction filter by pressurizing, and the rapid coffee outlet is realized.

Description

Coffee pressurizing and extracting structure and coffee machine

Technical Field

The utility model relates to the technical field of coffee machines, in particular to a coffee pressurized extraction structure and a coffee machine.

Background

The existing automatic coffee brewing machine generally adopts coffee capsules to brew together with boiling water, and the general flow is that the coffee capsules are arranged on a funnel, a container is arranged below the funnel, the boiling water is filled above the funnel, and the container can collect coffee liquid. However, the coffee liquid is produced at a low speed and has a low aroma.

The Chinese patent number 201820789736.5 discloses a dual-purpose coffee machine in 2019 6/4 days, and comprises a base and a top cover hinged to the upper portion of the base, wherein the front end of the top cover is provided with a brewing head and a locking mechanism, a hollow supporting table is arranged on the base and positioned below the brewing head, a filter cup main body is movably sleeved in the supporting table, a brewing cavity is formed in the filter cup main body, a coffee outlet channel is formed in the bottom of the brewing cavity, a positioning table and supporting ribs are arranged on the periphery of the brewing cavity, the supporting ribs are positioned on the upper portion of the positioning table, a replaceable placed filter assembly is installed in the brewing cavity, and the replaceable placed filter assembly is a coffee basket and a filter support respectively. The coffee brewing mode of the structure is as described above, the coffee basket is used for placing coffee capsules or coffee powder, and then coffee liquid is dripped out by pouring boiling water.

Disclosure of Invention

The utility model aims to provide a coffee pressurized extraction structure which is reasonable in structure and efficient in extraction.

An object of the present utility model is achieved by:

the utility model provides a coffee pressurized extraction structure, includes the extraction filter pulp, and the extraction filter pulp is equipped with filter chamber and liquid outlet, and the liquid outlet passes through filter screen and filter chamber intercommunication, its characterized in that: the filter chamber is characterized by further comprising a feeding barrel, wherein the feeding barrel is in sealing fit with the extraction filter hopper and is communicated with the filter chamber, a feeding opening is formed in the side wall of the feeding barrel, a piston is arranged on the inner side of the feeding barrel, and the piston is driven by a driving mechanism and moves along the axial direction of the feeding barrel so as to press the filter chamber.

An object of the present utility model can also be solved by the following technical measures:

as a more specific scheme, the feeding cylinder is distributed up and down and is connected and matched with the extraction filter bucket in an opening and closing way; and an exhaust port is arranged above the feeding cylinder corresponding to the feeding port.

As a further scheme, the top of the feeding cylinder is closed, the driving mechanism is arranged at the top of the feeding cylinder, and the driving mechanism is an electric cylinder or an air cylinder.

As a further scheme, the extraction filter bucket is connected with a turnover control mechanism, and the turnover control mechanism is used for controlling the turnover of the extraction filter bucket; the lower part of the extraction filter bucket is also provided with a slag receiving bucket.

As a further scheme, the overturning control mechanism comprises an overturning driving motor and a supporting frame, a fulcrum shaft is arranged on the outer side of the extraction filter bucket and is rotationally connected with the supporting frame, and the overturning driving motor is arranged on the supporting frame and is in transmission connection with the fulcrum shaft.

As a further proposal, the supporting frame or the feeding cylinder is arranged in a lifting motion.

As a further scheme, the feed port is provided with a flow sensor, and/or the feed cylinder is provided with a liquid level control switch so as to limit the liquid level in the feed cylinder to be lower than the feed port.

As a further scheme, the electric cylinder comprises a pressing motor, a screw transmission pair and a push rod, wherein the pressing motor is in transmission connection with the push rod through the screw transmission pair, and the push rod is connected with the piston so as to drive the piston to move along the axis direction of the feeding cylinder.

Another object of the utility model is to provide a coffee machine which is rational in infrastructure and convenient and quick.

Another object of the present utility model is achieved by:

the coffee machine is provided with the coffee pressurizing and extracting structure, the feeding port is provided with one, and the outer end of the feeding port is connected with a water supply pipe and a coffee powder source; the liquid outlet is communicated with the coffee liquid receiving container through a hose; the front end of the feed inlet and/or the rear end of the liquid outlet are/is also provided with a heating device.

The other object of the utility model can be solved by adopting the following technical measures:

as a more specific scheme, the coffee powder source comprises a coffee bean storage container, a bean grinder and a water powder mixing seat, wherein a bean inlet channel is arranged at the top of the water powder mixing seat, a water inlet channel and a powder liquid channel are arranged at the side part of the water powder mixing seat, the lower end of the bean inlet channel and the inner end of the water inlet channel are communicated with the inner end of the powder liquid channel, the upper end of the bean inlet channel is communicated with the bottom of the coffee bean storage container, the outer end of the water inlet channel is communicated with a water source, and the outer end of the powder liquid channel is communicated with the feeding port; the bean grinder comprises a grinding cutter and a grinding motor, wherein the grinding cutter is arranged in the bean feeding channel and is in transmission connection with the grinding motor, and the grinding motor is arranged at the bottom of the water-powder mixing seat.

The beneficial effects of the utility model are as follows:

(1) The feeding cylinder and the piston are arranged above the extraction filter funnel, when coffee powder and water are put into the extraction filter funnel, the piston is used for pressurizing, so that the water is facilitated to permeate into the coffee powder, the fragrance of coffee is permeated, meanwhile, the coffee liquid can be accelerated to be discharged after permeating the extraction filter funnel by pressurizing, and the rapid coffee outlet is realized;

(2) The extraction filter bucket can move up and down so as to be separated from the feeding cylinder; and can be turned over to realize pouring out of coffee grounds;

(3) The coffee powder source is prepared by grinding coffee beans after the coffee beans enter a bean grinder; the coffee powder is flushed into the feeding cylinder from the water source to form primary mixing, so that coffee is fused into water, and extraction is more complete.

Drawings

FIG. 1 is a schematic cross-sectional view of a coffee press extraction structure according to an embodiment of the present utility model.

Fig. 2 is a schematic perspective view of a side coffee pressurizing and extracting structure according to the present utility model.

Fig. 3 is a schematic view showing a piston pressing state structure of the present utility model.

Fig. 4 is a schematic view showing a piston reset state structure of the present utility model.

FIG. 5 is a schematic diagram of the deslagging state structure of the utility model.

Fig. 6 is a schematic view of the coffee machine according to the present utility model.

Detailed Description

The utility model is further described below with reference to the accompanying drawings and examples:

referring to fig. 1 to 5, a coffee pressurized extraction structure comprises an extraction filter funnel 4, wherein the extraction filter funnel 4 is provided with a filter cavity 41 and a liquid outlet 42, the liquid outlet 42 is communicated with the filter cavity 41 through a filter screen 43, the coffee pressurized extraction structure further comprises a feeding barrel 3, the feeding barrel 3 is in sealing fit with the extraction filter funnel 4 and is communicated with the filter cavity 41, a feeding port 31 is arranged on the side wall of the feeding barrel 3, a piston 2 is arranged on the inner side of the feeding barrel 3, and the piston 2 is driven by a driving mechanism and moves along the axial direction of the feeding barrel 3 so as to pressurize the filter cavity 41.

The feeding cylinder 3 is distributed up and down and is connected with the extraction filter funnel 4 in an opening-closing way; the feeding cylinder 3 is provided with an exhaust port corresponding to the upper part of the feeding port 31, and the exhaust port is provided with an exhaust valve 6. The piston 2 divides the feeding cylinder 3 into an upper cavity and a lower cavity, the upper cavity is an air cavity 32, the lower cavity is a material cavity 33, the air cavity 32 is communicated with an exhaust port, and the material cavity 33 is communicated with a filter cavity 41.

The top of the feeding cylinder 3 is closed, and the driving mechanism is arranged at the top of the feeding cylinder 3 and is an electric cylinder 1 (when the cylinder is used for driving, the air source is preferably nitrogen).

The lower end of the feeding barrel 3 is provided with a sealing ring 34, and the extraction filter 4 of the feeding barrel 3 is in sealing fit with the sealing ring 34.

The extraction filter bucket 4 is connected with a turnover control mechanism, and the turnover control mechanism is used for controlling the turnover of the extraction filter bucket 4; a slag receiving hopper is arranged below the extraction filter hopper 4, which is not shown in the figure.

The overturning control mechanism comprises an overturning driving motor and a supporting frame 5, a supporting point shaft 44 is arranged on the outer side of the extraction filter bucket 4, the supporting point shaft 44 is rotationally connected with the supporting frame 5, and the overturning driving motor is arranged on the supporting frame 5 and is in transmission connection with the supporting point shaft 44. Referring to fig. 2, the extraction filter cartridge 4 can rotate relative to the support frame 5 in the direction of the R arrow.

The supporting frame 5 is arranged in a lifting motion mode, and the lifting motion direction is shown by an arrow H in fig. 2.

The feed inlet 31 is provided with a flow sensor, and/or the feed cylinder 3 is provided with a liquid level control switch to limit the liquid level in the feed cylinder 3 to be lower than the feed inlet 31, so as to avoid the backflow of the water-powder mixed liquid.

The electric cylinder 1 comprises a pressing motor, a screw transmission pair and a push rod 11, wherein the pressing motor is in transmission connection with the push rod 11 through the screw transmission pair, and the push rod 11 is connected with the piston 2 so as to drive the piston 2 to move along the axial direction of the feeding cylinder 3.

Referring to fig. 6, a coffee machine with the coffee pressurizing and extracting structure is provided, the feeding port 31 is provided with one feeding port, and the outer end of the feeding port 31 is connected with the water supply pipe 91 and the coffee powder source; the liquid outlet 42 is communicated with the coffee liquid receiving container through a hose; heating means, not shown, are also provided at the front end of the feed opening 31 and/or at the rear end of the outlet opening 42. The heating device is arranged at the front end of the feed inlet 31 for boiling the water source; and heating means are provided at the rear end of the outlet 42 for boiling the coffee liquid. If a heating device is provided only at the rear end of the liquid outlet 42, the extraction mode is cold extraction. In the embodiment, the water source 9 adopts barreled water, so that the coffee machine is convenient to move and has wider application range; the bottled water is connected to a source of ground coffee through a water supply line 91 with a pump (not shown).

The coffee powder source comprises a coffee bean storage container 7, a bean grinder and a water powder mixing seat 71, a bean inlet channel 74 is arranged at the top of the water powder mixing seat 71, a water inlet channel 73 and a powder liquid channel 75 are arranged at the side part of the water powder mixing seat, the lower end of the bean inlet channel 74 and the inner end of the water inlet channel 73 are communicated with the inner end of the powder liquid channel 75, the upper end of the bean inlet channel 74 is communicated with the bottom of the coffee bean storage container 7, the outer end of the water inlet channel 73 is communicated with a water source 9, and the outer end of the powder liquid channel 75 is communicated with the feeding port 31; the bean grinder comprises a grinding cutter and a grinding motor 8, wherein the grinding cutter is arranged in a bean inlet channel 74 and is in transmission connection with the grinding motor 8, and the grinding motor 8 is arranged at the bottom of a water-powder mixing seat 71. In the embodiment, the crushing cutter comprises a fixed toothed ring and a grinding toothed knife, and the fixed toothed ring is sleeved outside the grinding toothed knife and is fixedly connected with the inner wall of the bean feeding channel 74; the grinding tooth knife is in transmission connection with the grinding motor 8, coffee beans enter between the fixed tooth ring and the grinding tooth knife, are ground into powder under the interaction of the fixed tooth ring and the grinding tooth knife and fall into the powder liquid channel 75, and finally are flushed into the feeding cylinder 3 by the water source of the water inlet channel 73.

The working principle is as follows: referring to fig. 1, arrow a is the direction of the coffee grounds and water entering the cartridge 3; referring to fig. 3, when the coffee powder and water mixture B reaches a certain level in the cartridge 3, the water supply is stopped; the driving mechanism controls the piston to move along the direction of the arrow D, and water in the mixture B of the coffee powder and the water is rapidly extruded out of the liquid outlet 42, so that rapid acquisition of the coffee liquid is realized. Referring to fig. 4, after the piston 2 completes the extrusion action, the piston is reset along the direction of the arrow E, the air in the air cavity 32 is discharged along the direction of the arrow F through the air outlet valve 6, and bean dregs Z are left in the extraction filter 4. In addition, the supporting frame 5 is controlled to descend along the arrow direction H1, then the extraction filter 4 is controlled to overturn around the direction R1, and bean dregs Z are poured out along the arrow direction G, so that deslagging is completed, and the process is shown in fig. 6; finally, the state is reset to the state shown in fig. 1, and the next work is waited.

The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coffee pressurized extraction structure, includes extraction filter vat (4), extraction filter vat (4) are equipped with filter chamber (41) and liquid outlet (42), and liquid outlet (42) are through filter screen (43) and filter chamber (41) intercommunication, its characterized in that: the filter device further comprises a feeding barrel (3), the feeding barrel (3) is in sealing fit with the extraction filter funnel (4) and is communicated with the filter cavity (41), a feeding port (31) is formed in the side wall of the feeding barrel (3), a piston (2) is arranged on the inner side of the feeding barrel (3), and the piston (2) is driven by a driving mechanism and moves along the axis direction of the feeding barrel (3) so as to press the filter cavity (41).

2. The coffee pressurized extraction structure of claim 1, wherein: the feeding cylinder (3) is distributed up and down with the extraction filter funnel (4) and is connected and matched in an opening and closing way; an exhaust port is arranged above the feeding cylinder (3) corresponding to the feeding port (31).

3. The coffee pressurized extraction structure of claim 2, wherein: the top of the feeding cylinder (3) is closed, the driving mechanism is arranged at the top of the feeding cylinder (3), and the driving mechanism is an electric cylinder (1) or an air cylinder.

4. The coffee pressurized extraction structure of claim 2, wherein: the extraction filter bucket (4) is connected with a turnover control mechanism, and the turnover control mechanism is used for controlling the turnover of the extraction filter bucket (4); the lower part of the extraction filter funnel (4) is also provided with a slag receiving funnel.

5. The coffee pressurized extraction structure of claim 4, wherein: the overturning control mechanism comprises an overturning driving motor and a supporting frame (5), a fulcrum shaft (44) is arranged on the outer side of the extraction filter bucket (4), the fulcrum shaft (44) is rotationally connected with the supporting frame (5), and the overturning driving motor is arranged on the supporting frame (5) and is in transmission connection with the fulcrum shaft (44).

6. The coffee pressurized extraction structure of claim 5, wherein: the supporting frame (5) or the feeding barrel (3) is arranged in a lifting motion mode.

7. The coffee pressurized extraction structure of claim 2, wherein: the feeding port (31) is provided with a flow sensor, and/or the feeding cylinder (3) is provided with a liquid level control switch so as to limit the liquid level in the feeding cylinder (3) to be lower than the feeding port (31).

8. A coffee pressurized extraction structure according to claim 3, characterized in that: the electric cylinder (1) comprises a pressing motor, a screw transmission pair and a push rod (11), the pressing motor is in transmission connection with the push rod (11) through the screw transmission pair, and the push rod (11) is connected with the piston (2) to drive the piston (2) to move along the axial direction of the feeding cylinder (3).

9. A coffee machine provided with a pressurized extraction structure of coffee according to any one of claims 1 to 8, characterized in that: the feeding port (31) is provided with one feeding port, and the outer end of the feeding port (31) is connected with a water supply pipe and a coffee powder source; the liquid outlet (42) is communicated with the coffee liquid receiving container through a hose; the front end of the feed inlet (31) and/or the rear end of the liquid outlet (42) are also provided with heating devices.

10. The coffee machine of claim 9, wherein: the coffee powder source comprises a coffee bean storage container (7), a bean grinder and a water powder mixing seat (71), a bean inlet channel (74) is formed in the top of the water powder mixing seat (71), a water inlet channel (73) and a powder liquid channel (75) are formed in the side of the water powder mixing seat, the lower end of the bean inlet channel (74) and the inner end of the water inlet channel (73) are communicated with the inner end of the powder liquid channel (75), the upper end of the bean inlet channel (74) is communicated with the bottom of the coffee bean storage container (7), the outer end of the water inlet channel (73) is communicated with a water source (9), and the outer end of the powder liquid channel (75) is communicated with the feeding port (31); the bean grinder comprises a grinding cutter and a grinding motor (8), wherein the grinding cutter is arranged in a bean inlet channel (74) and is in transmission connection with the grinding motor (8), and the grinding motor (8) is arranged at the bottom of a water-powder mixing seat (71).