CN107456092B - Expansion breaking plate for beverage extraction equipment - Google Patents
Expansion breaking plate for beverage extraction equipment Download PDFInfo
- Publication number
- CN107456092B CN107456092B CN201710700161.5A CN201710700161A CN107456092B CN 107456092 B CN107456092 B CN 107456092B CN 201710700161 A CN201710700161 A CN 201710700161A CN 107456092 B CN107456092 B CN 107456092B
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- Prior art keywords
- beverage discharge
- beverage
- holes
- hole
- boss
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- 235000013361 beverage Nutrition 0.000 title claims abstract description 138
- 238000000605 extraction Methods 0.000 title claims abstract description 38
- 230000007704 transition Effects 0.000 claims description 18
- 230000000630 rising effect Effects 0.000 claims description 9
- 230000009172 bursting Effects 0.000 abstract description 6
- 235000013353 coffee beverage Nutrition 0.000 description 69
- 239000002775 capsule Substances 0.000 description 29
- 239000000843 powder Substances 0.000 description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 16
- 229910052782 aluminium Inorganic materials 0.000 description 16
- 239000011888 foil Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000004519 grease Substances 0.000 description 14
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 description 12
- 239000007788 liquid Substances 0.000 description 12
- 230000008961 swelling Effects 0.000 description 10
- 239000005030 aluminium foil Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 description 6
- 229960001948 caffeine Drugs 0.000 description 6
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/40—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
- A47J31/407—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea with ingredient-containing cartridges; Cartridge-perforating means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4403—Constructional details
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Apparatus For Making Beverages (AREA)
Abstract
The invention relates to a bursting disc for beverage extraction equipment, comprising a disc body (1) with a first end face (11) and a second end face (12), wherein the first end face (11) of the disc body is provided with a plurality of boss parts (2) and a plurality of beverage discharge holes (3) which are arranged between the boss parts (2) and penetrate through the disc body (1), and the bursting disc is characterized in that: the beverage discharge holes (3) are divided into two types, one is a beverage discharge enlarged hole (3 a) and the other is a beverage discharge small hole (3 b), the aperture of the beverage discharge enlarged hole (3 a) is larger than that of the beverage discharge small hole (3 b), and the beverage discharge enlarged hole (3 a) and the beverage discharge small hole (3 b) are respectively provided in plurality. The extraction equipment using the expansion plate can effectively ensure higher extraction pressure and prevent the beverage discharge hole from being blocked.
Description
Technical Field
The present invention relates to a bursting plate for a beverage extraction device, wherein the beverage extraction device is adapted to process beverage packages (also called capsules) containing ingredients which upon interaction with a liquid, such as hot pressurized water, introduced into the capsule are capable of producing a beverage or edible liquid, such extraction devices being most common in coffee machines.
Background
The existing capsule coffee machine mainly extracts caffeine in coffee powder by using high-temperature and high-pressure water, and in the extraction process, the caffeine concentration must be controlled, and powder or particles cannot be mixed into the coffee, so that a cup of good coffee can be made. The structure of the existing coffee machine for coffee capsules generally comprises a water tank, a heating element, a water pump, a machine seat, a machine part, a swelling plate and the like, wherein the swelling plate is fixed at the front part of the machine seat, the machine part is arranged in the machine seat and can move back and forth relative to the swelling plate, a containing cavity for containing the coffee capsules is arranged on the machine part, a puncture needle is arranged at the bottom of the containing cavity of the machine part, a plurality of protruding parts are arranged on the end face of the swelling plate, which is opposite to the machine part, after the machine part is folded with the swelling plate, the puncture needle punctures the rear end face of the coffee capsules, the protruding parts on the swelling plate are tightly pressed on the aluminum foils of the coffee capsules, when high-pressure hot water passes through the coffee capsules, the coffee capsules swell under the action of water pressure, the aluminum foils of the coffee capsules are punctured by the protruding parts on the swelling plate, and the coffee beverage flows out of a liquid outlet channel on the swelling plate, so that extraction is completed.
As a chinese patent application CN201180023954.9 (publication CN 102905584A) for beverage machine using a capsule for ingredients, and a patent application ZL201420613153.9 (publication CN 204580900U) for a rising and breaking plate for a beverage brewing apparatus, there are disclosed a rising and breaking plate structure in which a plurality of boss portions are uniformly arranged on a surface of the rising and breaking plate facing a machine member of a coffee machine and beverage discharge holes are provided between the boss portions and axially penetrate the rising and breaking plate, wherein the boss portions are arranged in a plurality of rows and columns.
From the current use, the existing coffee machine adopting the expansion plate has the following problems:
1. The root of boss portion is right angle or oblique angle transition between the surface of corresponding plate body, and local sharp and stress concentration produces the fracture in the aluminium foil laminating of surface at the broken board surface department that rises (and the aluminium foil of boss portion's root position department), and in the extraction process, the aluminium foil of here is difficult for sealing with the broken board surface that rises to make the extraction in-process loss of pressure big, do the detection, the pressure of the coffee machine of this kind of broken board that rises only has 11 bars, extraction pressure is not enough, and extraction pressure's not enough can make the coffee beverage grease content of preparation low, reduce coffee concentration low.
2. The aperture size of the beverage discharge hole is all consistent on the existing expansion plate, so that certain pressure is ensured for extraction, the aperture of the beverage discharge hole can only be made very small, and the beverage discharge hole can be blocked by coffee powder and the machine is easy to damage even though the extraction pressure is ensured.
In view of the above-mentioned current situation, the existing bursting disc can be further improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing the expansion plate for the beverage extraction equipment aiming at the current state of the art, and the extraction equipment using the expansion plate can effectively ensure higher extraction pressure and prevent the beverage discharge hole from being blocked.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a beverage extraction equipment is with rising broken board, includes the plate body that has first terminal surface and second terminal surface, and the first terminal surface of plate body has a plurality of boss portions and a plurality of beverage discharge hole of penetrating the plate body, its characterized in that: the beverage discharge holes are divided into two types, one is a beverage discharge enlarged hole, the other is a beverage discharge small hole, the aperture of the beverage discharge enlarged hole is larger than that of the beverage discharge small hole, and the beverage discharge enlarged hole and the beverage discharge small hole are respectively provided with a plurality of beverage discharge small holes.
Further improved, the peripheral edge of the root of the boss part and the first end face of the plate body are in rounded transition, so that an arc-shaped transition face is formed around the root of the boss part. Because the extensibility of capsule aluminium foil material is limited, under the pressure effect that rises of water, can tear by boss portion eventually, produce the breach, because of being the fillet transition between the periphery of boss portion's root and the first terminal surface of plate body, under the inside hydraulic pressure effect of capsule, the aluminium foil of capsule is compressed tightly on the surface of rising the broken board, the arc transitional surface that the fillet transition formed can reduce sharp local stress, effectively prevent that the capsule from splitting from here root, guarantee the laminating degree, thereby realize high-pressure seal effect, reach the high-pressure extraction purpose (first sealed pressurization), the coffee machine only can be better with the caffeine in the coffee powder under the state of high-pressure extraction extract and form the coffee grease of better concentration.
Still further improve, adjacent two between the root of boss portion is connected through the spread groove of indent, and the fillet transition department of boss portion root is stretched into at the both ends of spread groove. The extracted coffee flows along the surface of the expansion plate from the tearing opening of the capsule, and as the coffee fat liquid only flows along the connecting groove and is gathered together due to the sealing of the aluminum foil attached by the arc transition surfaces at the two sides of the connecting groove, the coffee and the grease can be fully mixed in the groove (or the mixing cavity); because of the uncertainty of the tearing opening shape, the coffee powder is extremely fine and easily flows out along with the coffee, and part of the coffee powder can be retained in the inner space of the connecting groove, so that the groove can also effectively filter the coffee powder.
The first spacing between the beverage discharge orifice and the adjacent connecting slot is greater than the second spacing between the beverage discharge orifice and the adjacent connecting slot. The small holes are far away from the slotting, the aluminum foil is sealed more tightly, the pressure is larger, and the grease is extracted better. The distance between the large holes and the grooves is short, the pressure is slightly smaller, and the coffee is discharged, so that the whole coffee flow rate is ensured.
Water is introduced from the rear part of the capsule, the aluminum foil on the surface of the capsule is pressed to the swelling plate under the action of pressure, and the shape of the aluminum foil is more similar to that of the swelling plate. Due to the limitation of the tensile strength of the aluminum foil, the aluminum foil is finally burst by the boss (the stress at the top of the boss is concentrated most, so that the aluminum foil is torn) along with the rising of the water pressure, a tearing opening is formed, and water can flow out of the tearing opening. As an improvement, the four sides of the boss part and the four circumferences of the top surface of the boss part are in rounded transition. In the process of expanding and breaking, the aluminum foil is stressed more uniformly, so that the tearing opening can keep good consistency in all directions, the broken aluminum foil can be well attached to the expanding and breaking plate, and the extraction pressure is ensured.
Preferably, the boss portions are arranged in a plurality of rows and a plurality of columns, the bottoms between two adjacent rows of boss portions form transverse channels for beverage to flow, the bottoms between two adjacent columns of boss portions form vertical channels for beverage to flow, the beverage discharge holes are arranged at the junction positions of the transverse channels and the vertical channels, and the beverage discharge holes are also arranged in a plurality of rows and a plurality of columns. The layout mode of the boss part forms a plurality of flow channels for the circulation of coffee at the bottom of the boss part, and the beverage fat liquid flows to each beverage discharge hole through a plurality of flow channels, so that the beverage fat liquid is smooth, and the beverage discharge holes are also arranged in a plurality of rows and a plurality of columns, so that the outflow of the coffee fat liquid is more balanced.
Preferably, the beverage discharge holes in the same row or column are provided with a beverage row amplifying hole and the beverage discharge holes, and the beverage row amplifying hole and the beverage discharge holes are arranged at intervals. So that the outflow of the coffee fat liquid is more balanced.
The boss portion has a flat rectangular parallelepiped base and a rectangular boss-like convex portion on the base, and the base constitutes a root portion of the boss portion.
Preferably, the beverage discharge enlarging hole and the beverage discharge small hole are both circular holes, and the aperture of the beverage discharge enlarging hole is larger than that of the beverage discharge small hole. The round holes are more beneficial to forming and processing, and the cross section size of the holes is easier to control. Of course, the beverage discharge holes may also be oval holes, polygonal holes, star-shaped holes, zigzag holes or other irregularly shaped holes.
The hole diameter of the enlarged beverage discharge holes is preferably 0.2 to 0.6mm, more preferably 0.45mm, and the hole diameter of the small beverage discharge holes is preferably 0.7 to 1.1mm, more preferably 0.9mm. The selection of the aperture ensures good anti-blocking and deslagging effects and simultaneously gives consideration to extraction pressure. The dimensions of the groove are such that the aluminium foil is not broken there nor is it completely stuck. Multiple tests prove that the groove width of the connecting groove is preferably 0.3-0.7 mm, more preferably 0.6mm, and the groove depth of the connecting groove is preferably 0.1-0.5 mm, more preferably 0.3 mm. The aperture of the beverage discharge hole gradually increases from the first end face to the second end face, so that the passage of the coffee fat liquid through the beverage discharge hole is facilitated.
Compared with the prior art, the invention has the advantages that: the beverage discharge hole is divided into two specifications, one is a beverage discharge amplifying hole, the other is a beverage discharge small hole, the cross section area of the beverage discharge amplifying hole is larger than that of the beverage discharge small hole, and the beverage discharge amplifying hole and the beverage discharge small hole are respectively provided with a plurality of beverage discharge small holes; because a circle of round smooth planes exist on the periphery of the beverage discharge small hole on the expansion plate, the aluminum foil is tightly attached to the plane under the action of pressure and blocks the beverage discharge small hole, higher pressure (namely secondary sealing pressurization) is generated, higher extraction pressure is guaranteed, caffeine in coffee powder is better extracted and forms coffee grease with better concentration, a circle of round smooth planes on the periphery of the beverage discharge large hole on the expansion plate is relatively less, the prepared coffee grease liquid preferentially flows out of the beverage discharge large hole, the cross section area of the large hole is large, even if the coffee powder is easily discharged from the large hole, the large hole is not easily blocked, most of the coffee grease liquid flows out through the large hole, most of the coffee grease flows out through the small hole, meanwhile, because after the capsule is completely boiled, some coffee powder remains in the capsule chamber, and the coffee powder can be flushed to the surface of the expansion plate when the coffee powder is boiled or boiled water next time, and the particle size of the coffee powder is between 0.2 and 0.9, so that particles can flow out of the large hole and the problem of blocking the large hole for long-term use is solved.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is a schematic front perspective view of an embodiment of the present invention;
FIG. 4 is an enlarged view at B of FIG. 3;
FIG. 5 is a cross-sectional view of an embodiment of the present invention;
fig. 6 is a schematic perspective view of a capsule broken or expanded by the present expanding plate.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1-6, is a preferred embodiment of the present invention.
The utility model provides a beverage extraction equipment is with rising broken board, beverage extraction equipment takes the coffee machine as the example, including the plate body 1 that has first terminal surface 11 and second terminal surface 12, the first terminal surface 11 of plate body has a plurality of boss portions 2 and arranges the beverage discharge hole 3 of a plurality of terminal surfaces 12 of penetrating the plate body 1 between boss portions 2, boss portion 2 is the multirow and arranges in many rows, the bottom between two adjacent rows of boss portions 2 forms the horizontal passageway X that supplies the beverage to flow, the bottom between two adjacent rows of boss portions 2 forms the vertical passageway Y that supplies the beverage to flow, beverage discharge hole 3 locates the juncture of horizontal passageway X and vertical passageway Y respectively, and beverage discharge hole 3 also is multirow and arranges in many rows.
The improvement points of the invention are that: the beverage discharge holes 3 are divided into two types, one is a beverage discharge enlarged hole 3a and the other is a beverage discharge small hole 3b, the cross-sectional area of the beverage discharge enlarged hole 3a is larger than that of the beverage discharge small hole 3b, and the beverage discharge enlarged hole 3a and the beverage discharge small hole 3b are each plural. In this embodiment, the beverage discharge enlarging hole 3a and the beverage discharge small hole 3b are circular holes, and the aperture of the beverage discharge enlarging hole 3a is larger than the aperture of the beverage discharge small hole 3 b. In the beverage discharge holes 3 located in the same row or column, there are both said beverage discharge enlarged holes 3a and said beverage discharge small holes 3b, and the beverage discharge enlarged holes 3a and the beverage discharge small holes 3b are arranged at intervals.
The peripheral edge of the root of the boss part 2 and the first end face 11 of the plate body are in rounded transition, so that an arc-shaped transition face 4 concave inwards towards the first end face 11 is formed around the root of the boss part 2. The root parts of two adjacent boss parts 2 are connected through a concave connecting groove 5, and two ends of the connecting groove 5 extend into the fillet transition part of the root part of the boss part 2. The first distance d1 between the beverage discharge orifice 3b and the adjacent connecting groove 5 is larger than the second distance d2 between the beverage discharge orifice 3a and the adjacent connecting groove 5.
The boss portion 2 has a flat rectangular parallelepiped base 21, and a rectangular parallelepiped convex portion 22 provided on the base 21, and the base 21 constitutes a root portion of the boss portion 2. The four sides 221 of the boss portion 2 and the four peripheries 222 of the top surface of the boss portion 2 are rounded.
The diameter of the enlarged beverage discharge holes 3a is preferably 0.2 to 0.6mm, more preferably 0.45mm, and the diameter of the small beverage discharge holes 3b is preferably 0.7 to 1.1mm, more preferably 0.9mm. The selection of the aperture ensures good anti-blocking and deslagging effects and simultaneously gives consideration to extraction pressure. The dimensions of the groove are such that the aluminium foil is not broken there nor is it completely stuck. Multiple tests prove that the groove width of the connecting groove is preferably 0.3-0.7 mm, more preferably 0.6mm, and the groove depth of the connecting groove is preferably 0.1-0.5 mm, more preferably 0.3 mm.
The working principle and the process of the embodiment are as follows:
Water is introduced from the rear of the capsule 6, under pressure, the aluminium foil 61 of the surface of the capsule 6 is pressed against the bursting disc and the shape will also be more similar to the shape of the bursting disc surface. As shown in fig. 6, due to the limitation of the tensile strength of the aluminum foil 61 itself, as the water pressure increases, the aluminum foil 61 is eventually broken by the boss 22 (the top of the boss 22 is most concentrated in stress and thus torn), forming a tear hole 611, and water can flow out of the tear hole 611.
Because of being the fillet transition between the periphery of boss portion 2 root and the first terminal surface 11 of plate body 1, under the inside hydraulic pressure effect of capsule 6, the aluminium foil 61 of capsule is compressed tightly at the first terminal surface 11 of broken board that rises, the arc transitional surface 4 that the fillet transition formed can reduce boss portion 2 root position department sharp-pointed local stress, prevent effectively that capsule 6 from splitting from this root, guarantee the laminating degree, thereby realize high-pressure seal effect, reach the high-pressure extraction purpose (first sealed pressurization), the coffee machine only can be better with the caffeine in the coffee powder under the state of high-pressure extraction extract and form the coffee grease of better concentration.
The extracted coffee flows along the first end face 11 of the expansion plate from the capsule tearing hole 611, and as the aluminum foils 61 attached by the arc-shaped transition faces 4 at the two sides of the connecting groove 5 are sealed, the coffee fat liquid can only flow along the connecting groove 5 and can be gathered together, and the coffee and the grease can be fully mixed in the connecting groove 5 (or the mixing cavity); because of the uncertainty of the shape of the tearing opening 611, the coffee powder is extremely fine, and easily flows out together with the coffee, and part of the coffee powder can be retained in the inner space of the connecting groove 5, so that the connecting groove 5 can also effectively filter the coffee powder.
Because a round of round smooth planes exist on the periphery of the beverage discharge hole 3b on the expansion plate, the aluminum foil 61 is tightly attached to the round smooth planes under the action of pressure and blocks the beverage discharge hole 3b, higher pressure (namely secondary sealing pressurization) is generated, higher extraction pressure is guaranteed, caffeine in coffee powder is better extracted and forms better concentration of coffee grease, a round smooth planes on the periphery of the beverage discharge hole 3a on the expansion plate are relatively less, so that the coffee grease preferentially flows out of the beverage discharge hole 3a, the aperture of the beverage discharge hole 3a is larger, even if coffee powder leaks, the coffee grease is easily discharged from the beverage discharge hole 3a, the beverage discharge hole 3a is not easily blocked, most of coffee grease flows out through the beverage discharge hole 3b, meanwhile, because after capsules are completely boiled, some coffee powder remains in the capsule chambers, and when coffee or water is boiled next time, the coffee powder can be flushed to the surface of the expansion plate, and the problem can be solved for a long time because the size of coffee powder is between 0.2 and 0.9.9 to ensure that the particles can be discharged from the beverage discharge hole for a long term.
Tests show that the pressure of extraction of the coffee machine adopting the expansion breaking plate structure can reach 14Bar (the coffee machine adopting the traditional expansion breaking plate has only 11Bar, the straight angle exists on each side line of the convex table part in the traditional expansion breaking plate, the local stress is large, the cracking phenomenon exists, and the sealing can not be realized at the position of the convex table part.
While the preferred embodiments of the present invention have been described in detail, it is to be clearly understood that the same may be varied in many ways by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a beverage extraction equipment is with rising broken board, includes plate body (1) that has first terminal surface (11) and second terminal surface (12), and first terminal surface (11) of plate body have a plurality of boss portions (2) and a plurality of beverage discharge hole (3) that run through plate body (1), its characterized in that: the beverage discharge holes (3) are divided into two types, one is a beverage discharge amplifying hole (3 a) and the other is a beverage discharge small hole (3 b), the cross section area of the beverage discharge amplifying hole (3 a) is larger than that of the beverage discharge small hole (3 b), and the beverage discharge amplifying hole (3 a) and the beverage discharge small hole (3 b) are respectively provided with a plurality of beverage discharge small holes;
The periphery of the root of the boss part (2) and the first end surface (11) of the plate body are in rounded transition so as to form an arc transition surface (4) around the root of the boss part (2); the root parts of two adjacent boss parts (2) are connected through a concave connecting groove (5), and two ends of the connecting groove (5) extend into the fillet transition part of the root part of the boss part (2);
a first distance (d 1) between the beverage discharge orifice (3 b) and the adjacent connecting groove (5) is greater than a second distance (d 2) between the beverage discharge orifice (3 a) and the adjacent connecting groove (5);
The boss portions (2) are arranged in multiple rows and multiple columns, transverse channels (X) for beverage to flow are formed at the bottoms between two adjacent rows of boss portions (2), vertical channels (Y) for beverage to flow are formed at the bottoms between two adjacent columns of boss portions (2), and the beverage discharge holes (3) are formed at the junction positions of the transverse channels (X) and the vertical channels (Y) and are also arranged in multiple rows and multiple columns.
2. The expansion plate for a beverage extraction apparatus of claim 1, wherein: four sides (221) of the boss part (2) and four circumferences (222) of the top surface of the boss part (2) are in rounded transition.
3. The expansion plate for a beverage extraction apparatus of claim 1, wherein: in the beverage discharge holes (3) located in the same row or column, there are both the beverage discharge enlarged holes (3 a) and the beverage discharge small holes (3 b), and the beverage discharge enlarged holes (3 a) and the beverage discharge small holes (3 b) are arranged at intervals.
4. The expansion plate for a beverage extraction apparatus of claim 1, wherein: the boss part (2) is provided with a flat cuboid base (21) and a quadrangular frustum pyramid-shaped convex part (22) positioned on the base (21), and the base (21) forms the root part of the boss part (2).
5. The expansion plate for a beverage extraction apparatus of claim 1, wherein: the beverage discharge amplifying holes (3 a) and the beverage discharge small holes (3 b) are round holes, and the aperture of the beverage discharge amplifying holes (3 a) is larger than that of the beverage discharge small holes (3 b).
6. The expansion plate for beverage extraction apparatus of claim 5, wherein: the diameter of the beverage row amplifying holes (3 a) is 0.2-0.6 mm, and the diameter of the beverage discharge small holes (3 b) is 0.7-1.1 mm; the groove width (b) of the connecting groove (5) is 0.3-0.7 mm, and the groove depth (h) of the connecting groove (5) is 0.1-0.5 mm; the aperture of the beverage discharge hole (3) gradually increases from the first end surface (11) to the second end surface (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700161.5A CN107456092B (en) | 2017-08-16 | 2017-08-16 | Expansion breaking plate for beverage extraction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700161.5A CN107456092B (en) | 2017-08-16 | 2017-08-16 | Expansion breaking plate for beverage extraction equipment |
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| Publication Number | Publication Date |
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| CN107456092A CN107456092A (en) | 2017-12-12 |
| CN107456092B true CN107456092B (en) | 2024-06-25 |
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| CN201710700161.5A Active CN107456092B (en) | 2017-08-16 | 2017-08-16 | Expansion breaking plate for beverage extraction equipment |
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| CN (1) | CN107456092B (en) |
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