CN209899126U - Cold extraction device of coffee - Google Patents
Cold extraction device of coffee Download PDFInfo
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- CN209899126U CN209899126U CN201920597973.6U CN201920597973U CN209899126U CN 209899126 U CN209899126 U CN 209899126U CN 201920597973 U CN201920597973 U CN 201920597973U CN 209899126 U CN209899126 U CN 209899126U
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Abstract
The utility model relates to a coffee extraction equipment technical field, concretely relates to coffee cold extraction device. A coffee cold extraction device comprises a lifting basket and an extraction tank, wherein the lifting basket is arranged in the extraction tank, the lifting basket is a fully-closed tank body, the fully-closed tank body is of a cylindrical structure, a top manhole is arranged at the top of the lifting basket, and a bottom manhole is arranged at the bottom of the lifting basket; the side wall, the top and the bottom of the lifting basket are provided with extraction holes, and the extraction holes are in a through hole structure; the inside inlet tube that is equipped with of hand-basket, the inlet tube is worn out the back from the top of hand-basket and is connected a water supply source, is equipped with the inlet opening on the inlet tube. Due to the adoption of the technical scheme, the utility model discloses a set up the hand-basket into totally closed structure, realized the full powder extraction mode, the extraction effect is superior to traditional extraction structure, can shorten the extraction time and improve the extraction yield.
Description
Technical Field
The utility model relates to a coffee extraction equipment technical field, concretely relates to coffee cold extraction device.
Background
The coffee extracted at high temperature can decompose tannin in coffee into pyromallic acid, which causes bitter and sour feeling. The cold-extracted coffee is prepared by low-temperature extraction, and the whole preparation process is not heated, so that the acerbity of the coffee extracted at high temperature is reduced by 70 percent, and in low temperature, only substances with small flavor, such as flower and fruit flavor and the like, can be extracted by long-time contact of water and coffee powder, while substances with larger flavor, such as smoking and roasting flavor, are difficult to extract. Therefore, the cold-extracted coffee can taste the flavor of coffee beans when being drunk, is smoother to drink, has more obvious layered flavor and has obvious sweet aftertaste. In addition, impurities in the coffee are less extracted without high-temperature extraction, so that the coffee is milder to intestines and stomach, the caffeine content is slightly lower, and the health can be ensured after the coffee is delicious.
In the past, coffee is extracted by using a basket lifting mode, wherein coffee powder is filled into a filter bag and is divided into a plurality of bags, the weight of each bag is controlled to be about 10KG, then the filter bag filled with the coffee powder is placed into a basket, the basket is placed into a tank, and ice water is added for standing, soaking and extracting. The mode can effectively trap the coffee powder in the filter bag so that the coffee powder does not enter the coffee liquid, but because a plurality of bags of coffee powder are placed in the lifting basket, the pressure between the bags is relatively tight, water is difficult to enter the compacted part to extract coffee flavor substances in the standing extraction process, and the extraction rate is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coffee cold extraction device solves above technical problem.
The utility model provides a technical problem can adopt following technical scheme to realize:
a coffee cold extraction device comprises a lifting basket and an extraction tank, wherein the lifting basket is arranged in the extraction tank, the lifting basket is a fully-closed tank body, the fully-closed tank body is of a cylindrical structure, a top manhole is arranged at the top of the lifting basket, a bottom manhole is arranged at the bottom of the lifting basket, coffee powder is placed into the lifting basket from the top manhole for extraction, and coffee powder residues generated in the extraction operation are discharged from the bottom manhole;
the side wall, the top and the bottom of the lifting basket are provided with extraction holes, and the extraction holes are of through hole structures, so that coffee liquid generated in the lifting basket during extraction operation can conveniently flow into the extraction tank after being discharged from the lifting basket;
the inside inlet tube that is equipped with of hand-basket, the inlet tube is followed connect a water supply source after the top of hand-basket is worn out, be equipped with the inlet opening on the inlet tube, the inlet opening is used for spraying the water pressurization back at water supply source to the inside back of hand-basket and carries out the extraction operation to coffee powder wherein.
The utility model discloses a set up the hand-basket into totally closed structure, set up the inlet tube in the hand-basket again, make the hand-basket become a large-scale filter bag structure, can realize the cold extraction of coffee by the large capacity, and when having eliminated and having used a plurality of traditional filter bags to carry out cold extraction, because the adjacent bag that piles up and lead to of a plurality of filter bags and the bag between the coffee flavor matter extraction difficulty of compaction part the condition.
The top manhole with the bottom manhole all adopts the pressure release manhole, because the size of the extraction hole of hand-basket lateral wall, top and bottom is smaller, after intaking, hand-basket internal pressure can increase to adopt pressure release manhole structure with top manhole and bottom manhole and can prevent that the increase of hand-basket internal pressure and lead to the coffee powder in the hand-basket to run out from the sealed department of manhole.
Preferably, the top of hand-basket is equipped with the upper cover, the top manhole set up in cover on, the extraction hole at the top of hand-basket also set up in cover on, the center of upper cover is equipped with a hand-basket lug, the top manhole with the extraction hole at the top of hand-basket set up in around the lug.
Be equipped with the filter screen on the extraction hole of the lateral wall of hand-basket, top and bottom, prevent during the extraction operation that coffee powder residue from invading the extraction jar in from the hand-basket and sneak into the coffee liquid that the extraction obtained, avoid the extraction concentration of coffee liquid to receive the influence and finally influence the taste of product.
The filter screen is 50-70 meshes. Preferably, the filter screen is 60 meshes.
The diameter of the meshes of the filter screen is 0.2 mm-0.3 mm. Preferably, the mesh diameter of the filter screen is 0.25 mm.
The diameter of the opening of the water inlet hole on the water inlet pipe is 2.5 mm-7.5 mm, and preferably, the diameter of the opening of the water inlet hole is 6 mm.
Preferably, the inlet tube includes vertical branch and horizontal branch, the upper end of vertical branch is worn out connect behind the top of hand-basket water supply source, lower extreme intercommunication horizontal branch, be equipped with on the horizontal branch the inlet opening.
The inside of extraction jar is equipped with the support piece of being convenient for erect the hand-basket.
Preferably, at least two supporting pieces are arranged in the extraction tank, and the at least two supporting pieces are uniformly arranged around the inner wall of the extraction tank for a circle and are positioned on the same horizontal plane.
Has the advantages that: due to the adoption of the technical scheme, the utility model discloses a set up the hand-basket into totally closed structure, realized the full powder extraction mode, the extraction effect is superior to traditional extraction structure, can shorten the extraction time and improve the extraction yield.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the basket of the present invention;
FIG. 3 is a schematic structural view of the top of the basket of the present invention;
FIG. 4 is a schematic view of a partial structure of a side wall of the basket of the present invention;
FIG. 5 is a schematic structural view of the bottom of the basket of the present invention;
FIG. 6 is a schematic top view of the structure of FIG. 1;
fig. 7 is a schematic cross-sectional structure view of the water inlet pipe in fig. 1.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings.
Referring to fig. 1 to 7, the coffee cold extraction device comprises a lifting basket 1 and an extraction tank, wherein the lifting basket 1 is arranged in the extraction tank. The extraction tank can be a cylindrical tank body, and a support piece 21 convenient for erecting the lifting basket 1 is arranged on the inner wall of the extraction tank. The side wall of the extraction tank is provided with an interlayer structure, and a heat insulation layer 22 made of heat insulation materials is arranged in the interlayer structure. The bottom of the extraction tank is the bottom of a downward convex conical structure, an extraction tank outlet 23 is arranged at the convex conical tip end of the extraction tank, and a support leg 24 is arranged at the bottom of the extraction tank. Preferably, the conical structure of the bottom of the extraction tank can also adopt a sandwich structure, and the insulating layer 22 is also arranged in the conical structure.
Basket 1 is the totally closed jar body of cylinder structure, by the top, bottom 12 and lateral wall 15 are constituteed, and lateral wall 15, top and bottom 12 all are equipped with the extraction hole, and the extraction hole is the through-hole structure, and in the coffee liquid discharge basket 1 back inflow extraction jar that the extraction operation produced in the basket of being convenient for, be equipped with the filter screen on the extraction hole, the filter screen includes the top filter screen at basket top, the lateral wall filter screen of basket lateral wall and the bottom filter screen of basket bottom. Any filter screen is a filter screen with the mesh number of 50-70 meshes. Preferably, the filter screen is 60 meshes. The diameter of the mesh of any filter screen is 0.2 mm-0.3 mm. Preferably, the mesh diameter of the screen is 0.25 mm.
The top of hand-basket 1 is equipped with upper cover 11, is equipped with top manhole 1101 on upper cover 11, and bottom 12 is equipped with bottom manhole 1201, and the extraction hole at the top of hand-basket 1 also sets up on upper cover 11, and the center of upper cover 11 is equipped with hand-basket lug 14, and the extraction hole at top manhole 1101 and hand-basket top sets up around hand-basket lug 14. Coffee powder is put into the basket 1 from the top manhole 1101 for extraction, and coffee powder residue generated by the extraction is discharged from the bottom manhole 1201. Wherein, top manhole 1101 and bottom manhole 1201 all adopt the pressure release manhole, because the extraction hole's on hand-basket lateral wall, top and bottom size is smaller, after intaking, hand-basket internal pressure can increase to adopt pressure release manhole structure with top manhole and bottom manhole and can prevent that the increase of hand-basket internal pressure and lead to the coffee powder in the hand-basket to run out from the sealed department of manhole.
Referring to fig. 3, which is a schematic view of a top structure of the basket, the upper cover 11 is provided with a plurality of extraction holes, and any one of the extraction holes is covered with a top filter screen 1601.
Referring to fig. 4, a partial schematic view of the side wall of the basket, the extraction holes on the side wall 15 are covered with a side wall filter screen 1602.
Referring to fig. 5, which is a schematic structural view of the bottom of the basket, the extraction holes on the bottom 12 may be disposed on a bottom manhole 1201, and the extraction holes are covered with a bottom filter screen 1603.
Referring to fig. 6, the top of the extraction tank is opened after the basket is placed in the extraction tank, and the top is viewed from above, wherein at least two supporting members 21 are disposed in the extraction tank. At least two supporting pieces 21 are uniformly arranged around the inner wall of the extraction tank and are positioned on the same horizontal plane.
The extraction water supply of the lifting basket is realized by arranging a water inlet pipe inside the lifting basket. The inlet tube is worn out the upper cover from the top of hand-basket and is connected water supply source after, is equipped with the inlet opening on the inlet tube for spray to the hand-basket inside after the water with water supply source pressurizes through set up pressure equipment such as force (forcing) pump in extraction jar outside, so that extract the operation to the coffee powder that wherein has put into. The diameter of the opening of the water inlet hole on the water inlet pipe is 2.5 mm-7.5 mm, preferably, the diameter of the opening of the water inlet hole is 6 mm. Referring to fig. 2, the water inlet pipe may include a vertical branch pipe 1301 and a horizontal branch pipe 1302, the upper end of the vertical branch pipe 1301 penetrates through the top upper cover of the basket and then may be connected to a water receiving hose through a water receiving port 13011, and then may be connected to a water supply source disposed outside the basket through the water receiving hose, or may be connected to an external pressurizing device and then connected to the water supply source; the lower end of the vertical branch pipe 1301 is communicated with a horizontal branch pipe 1302, and a plurality of water inlet holes 13021 are formed in the horizontal branch pipe 1302.
Referring to fig. 7, the horizontal branch pipe 1302 is a tubular structure with a semicircular cross section, and the pipe wall of the horizontal branch pipe 1302 is provided with a plurality of water inlets 13021, and the water inlets 13021 can be uniformly distributed along the arc-shaped edge of the semicircular cross section, as shown in the figure, 4 water inlets are provided. Referring to fig. 2, a plurality of water inlet holes 13021 may be distributed along the length of the horizontal branch pipe. As shown in figure 1, a basket water inlet 25 is arranged on the outer wall of the extraction tank body, and a water delivery hose connected with a water supply source can penetrate into the inner cavity of the extraction tank through the basket water inlet 25 and then is connected with a water receiving port 13011 arranged on the vertical branch pipe 1301 to obtain extraction water. Sealing structures, such as sealing gaskets made of rubber or silica gel, can be arranged at the water inlet 25 and the water receiving port 13011 of the lifting basket, so that the port is convenient to form sealing, and external sundries are prevented from invading the extraction tank to pollute coffee liquid in the tank.
In addition, referring to fig. 1, a top cover 26 of the extraction tank may be provided with a cleaning solution inlet 2601 and a manhole 2602. Cleaning liquid is input through the cleaning liquid inlet 2601 to clean the inner cavity of the extraction tank, and then the waste cleaning liquid is discharged from the extraction tank outlet 23. After the top cover 26 is locked on the top of the extraction tank through fastening structures such as locking bolts, a tank body lifting lug 2603 can be arranged at the locking position, so that the extraction tank can be conveniently moved and transported. Manhole 2602 can be used to observe the progress of the extraction without opening top cover 26.
The utility model discloses a set up the hand-basket into totally closed structure, set up the inlet tube in the hand-basket again, make the hand-basket become a large-scale filter bag structure, can realize the cold extraction of coffee by the large capacity, and when having eliminated and having used a plurality of traditional filter bags to carry out cold extraction, because the adjacent bag that piles up and lead to of a plurality of filter bags and the bag between the coffee flavor matter extraction difficulty of compaction part the condition.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A cold coffee extraction device comprises a lifting basket and an extraction tank, wherein the lifting basket is arranged in the extraction tank, and the cold coffee extraction device is characterized in that the lifting basket is a fully-closed tank body which is of a cylindrical structure, a top manhole is arranged at the top of the lifting basket, and a bottom manhole is arranged at the bottom of the lifting basket;
the side wall, the top and the bottom of the lifting basket are provided with extraction holes, and the extraction holes are in a through hole structure;
the inside inlet tube that is equipped with of hand-basket, the inlet tube is followed the back is worn out to the top of hand-basket and is connected a water supply source, be equipped with the inlet opening on the inlet tube.
2. A coffee cold extraction device according to claim 1, wherein a pressure relief manhole is used for both the top manhole and the bottom manhole.
3. A cold coffee extraction device according to claim 1, wherein an upper cover is provided on the top of the basket, the top manhole is provided on the upper cover, the extraction hole on the top of the basket is also provided on the upper cover, a basket lifting lug is provided in the center of the upper cover, and the top manhole and the extraction hole on the top of the basket are provided around the lifting lug.
4. A cold coffee extraction apparatus as claimed in claim 1, wherein the side walls, top and bottom of the basket have extraction holes with strainers.
5. A cold coffee extraction device according to claim 4, wherein said sieve is of 50-70 mesh.
6. A cold coffee extraction apparatus as claimed in claim 4, wherein the diameter of the mesh of the sieve is 0.2mm to 0.3 mm.
7. A cold coffee extraction apparatus as claimed in any one of claims 1 to 6, wherein the inlet opening of the inlet tube has a diameter of 2.5mm to 7.5 mm.
8. A cold coffee extraction device according to claim 7, wherein the water inlet pipe comprises a vertical branch pipe and a horizontal branch pipe, the upper end of the vertical branch pipe penetrates out of the top of the basket and is connected with the water supply source, the lower end of the vertical branch pipe is communicated with the horizontal branch pipe, and the horizontal branch pipe is provided with the water inlet hole.
9. A coffee cold extraction apparatus according to claim 1, wherein the extraction tank is internally provided with a support for facilitating erection of the basket.
10. A cold coffee extraction apparatus according to claim 9, wherein at least two support members are provided in the extraction tank, and are arranged uniformly around the inner wall of the extraction tank and on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920597973.6U CN209899126U (en) | 2019-04-28 | 2019-04-28 | Cold extraction device of coffee |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920597973.6U CN209899126U (en) | 2019-04-28 | 2019-04-28 | Cold extraction device of coffee |
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| Publication Number | Publication Date |
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| CN209899126U true CN209899126U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920597973.6U Active CN209899126U (en) | 2019-04-28 | 2019-04-28 | Cold extraction device of coffee |
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| CN (1) | CN209899126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3747274A1 (en) * | 2019-06-05 | 2020-12-09 | Hard Beans Coffee Roasters Sp. z o.o. | A method for macerating cold coffee and a device for the implementation thereof |
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2019
- 2019-04-28 CN CN201920597973.6U patent/CN209899126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3747274A1 (en) * | 2019-06-05 | 2020-12-09 | Hard Beans Coffee Roasters Sp. z o.o. | A method for macerating cold coffee and a device for the implementation thereof |
| WO2020246901A1 (en) * | 2019-06-05 | 2020-12-10 | Hard Beans Coffee Roasters Sp. Z O.O. | A method for macerating cold coffee and a device for the implementation thereof |
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