CN109588982B

CN109588982B - Beverage capsule

Info

Publication number: CN109588982B
Application number: CN201710919036.3A
Authority: CN
Inventors: 邝坚
Original assignee: Guangdong Midea Consumer Electric Manufacturing Co Ltd
Current assignee: Guangdong Midea Consumer Electric Manufacturing Co Ltd
Priority date: 2017-09-30
Filing date: 2017-09-30
Publication date: 2022-02-01
Anticipated expiration: 2037-09-30
Also published as: CN109588982A

Abstract

The invention discloses a beverage capsule, which comprises a capsule body (1) with a capsule inner cavity (11) and a lower filter plate (2), wherein the lower filter plate is arranged at the bottom of the capsule inner cavity, and the top surface of the lower filter plate is provided with a bulge part (21) for reflecting and dispersing lower punching fluid. The beverage capsule (10) also comprises a sealing film (4), an upper flow baffle (5) is arranged between the sealing film and the lower filter sheet, and the upper flow baffle is provided with an axial through hole (51) vertically aligned with the bulge; the bulge and the axial through hole are respectively positioned at the central parts of the lower filter sheet and the upper flow baffle plate, and the central part of the upper flow baffle plate protrudes downwards towards the lower filter sheet to be close to the bulge. The beverage capsule can promote the beverage brewing agent (7) to be dissolved quickly and fully, avoids the waste of the beverage brewing agent, and is beneficial to improving the quality of the beverage.

Description

Beverage capsule

Technical Field

The invention belongs to the field of household appliances, and particularly relates to a beverage capsule.

Background

At present, capsule type beverage machines are more and more popular because they are more and more popular with consumers due to their features of simple operation, safety and sanitation, and guaranteed beverage quality. The beverage machine is loaded with beverage capsules, liquid with certain pressure is injected into the beverage capsules to brew dissolved beverage brewing agents (such as coffee powder, milk tea powder or coconut powder) in the beverage capsules, and then the brewed beverage flows down to a liquid containing cup body of a user from an outlet at the bottom of the beverage capsules.

Therefore, the liquid guide puncture tube punctures the sealing film at the top end of the beverage capsule so as to inject liquid with certain pressure into the sealing film, and the liquid rushes the beverage brewing agent in the beverage capsule so as to prepare corresponding beverage.

Disclosure of Invention

Aiming at the defects or shortcomings in the prior art, the invention provides the beverage capsule, so that the beverage brewing agent in the beverage capsule is quickly and fully dissolved, the waste of the beverage brewing agent can be effectively avoided, and the quality of the beverage is improved.

In order to achieve the above object, the present invention provides a beverage capsule comprising a capsule body having a capsule inner cavity and a lower filter sheet disposed at the bottom of the capsule inner cavity, the top surface of the lower filter sheet being provided with a projection for reflecting and dispersing a lower punching fluid;

the beverage capsule also comprises a sealing film used for sealing the top opening of the capsule inner cavity, an upper flow baffle plate is arranged between the sealing film and the lower filter sheet, and the upper flow baffle plate is provided with an axial through hole vertically aligned with the bulge; the central portion of the upper baffle plate protrudes downward toward the lower filter sheet to be close to the protrusion portion.

Preferably, the bottom of the convex part is formed with a convex forming cavity which is concave upwards.

Preferably, the protrusion is a hemispherical protrusion or a conical protrusion.

Preferably, the maximum protruding height of the protruding part is not less than 3mm and not more than 7mm, and/or the projection area of the protruding part on the top surface of the lower filter plate is circular and the circular diameter is not less than 6mm and not more than 15 mm.

Preferably, the protrusion is located at a central portion of the top surface of the lower filter sheet.

Preferably, lower cassette is including encircleing the filter house of bellying, the filter house equipartition has filtering pore, and this filtering pore is bar hole or round hole, the width in bar hole is not less than 0.2mm and is not more than 0.4mm and length is not less than 1.0mm and is not more than 2.0mm, the aperture of round hole is not less than 0.2mm and is not more than 0.5 mm.

Preferably, the lower filter plate comprises a filter part surrounding the protruding part, and the filter part is a woven filter screen with 100-150 meshes.

Preferably, the lower filter is removably mounted to the bottom of the capsule interior cavity.

Preferably, the inner cavity of the capsule is a cylindrical cavity, a prismatic cavity or a spherical cavity.

Preferably, the inner wall surface of the inner cavity of the capsule is provided with turbulence ribs.

Preferably, a flow-through space is formed between the bottom surface of the lower filter plate and the bottom wall surface of the inner cavity of the capsule, and the flow-through space is positioned below the filter holes of the lower filter plate.

Preferably, the peripheral edge of the lower filter sheet and/or the bottom of the boss is formed with a leg which is supported on the bottom wall surface of the capsule cavity to form the flow-through space.

Preferably, the protrusion and the axial through hole are located at the center of the lower filter sheet and the upper baffle plate, respectively, and the bottom surface of the upper baffle plate is formed in a spherical shape with the axial through hole as the center.

Preferably, the inner peripheral wall of the top of the inner cavity of the capsule is provided with an annular bearing surface, and the periphery of the upper baffle plate is arranged between the annular bearing surface and the sealing film.

According to the technical scheme, the lower filter sheet for the beverage capsule is provided with the protruding part on the top surface, the protruding part can reflect and disperse fluid which flows downwards, and then the fluid which is injected into the beverage capsule from the outside can generate vortex flow in the beverage capsule, so that the beverage brewing agent contained in the beverage capsule can be quickly and fully dissolved, the waste of the beverage brewing agent can be effectively avoided, and the produced beverage is more fragrant and mellow.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a beverage capsule according to a first preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of a beverage capsule according to a second preferred embodiment of the present invention, in which an upper baffle plate is disposed between a sealing film and a lower filter sheet;

FIG. 3 is a cross-sectional view of the lower filter plate;

fig. 4 is a plan view of a lower filter plate according to a first preferred embodiment of the present invention, wherein the filtering pores uniformly distributed on the filtering part are circular holes;

fig. 5 is a plan view of a lower filter sheet according to a second preferred embodiment of the present invention, wherein the filtering pores uniformly distributed on the filtering part are strip-shaped pores;

FIG. 6 is a top view of a lower filter plate of a third preferred embodiment of the present invention, wherein the filter portion is a woven screen;

FIG. 7 is an exploded view of the structure of FIG. 2;

FIG. 8 is a top view of the upper baffle of FIG. 7;

FIG. 9 is a schematic view of the flow of the injection liquid in the beverage capsule after modification of the present invention;

figure 10 is a schematic view of the configuration of the beverage capsule of a preferred embodiment of the invention housed in a locking brewing device, wherein the locking brewing device is in a locked position.

Description of reference numerals:

10 beverage capsule 20 locking brewing device

1 capsule body and 2 lower filter sheets

3 flow space 4 sealing film

5 upper baffle 6 liquid guide puncture tube

7 beverage brewing agent

11 raised part of capsule inner cavity 21

22 axial through hole of filter part 51

111 annular bearing table 211 bulge forming cavity

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like are generally described with respect to the orientation shown in the drawings or the positional relationship of the components with respect to each other in the vertical, or gravitational direction.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The present invention provides a lower filter plate for use in a beverage capsule 10. referring to fig. 1 to 3, the top surface of the lower filter plate 2 is provided with a raised portion 21 for reflecting and dispersing a lower punch fluid.

According to another aspect of the present invention, there is provided a beverage capsule, and referring to fig. 1 and 2, the beverage capsule 10 comprises a capsule body 1 having a capsule cavity 11 and a lower filter 2, and the lower filter 2 is disposed at the bottom of the capsule cavity 11. Furthermore, the beverage capsule 10 may further comprise a sealing membrane 4 for closing the top opening of the capsule interior 11.

Specifically, the sealing film 4 can isolate the outside from the capsule cavity 11 to prevent outside contaminants from entering the capsule cavity 11, and can seal and preserve the beverage brewing agent 7 contained in the capsule cavity 11.

In the technical scheme of the invention, the beverage capsule 10 is used in a capsule type beverage machine, the beverage capsule 10 is locked in the beverage machine through a locking brewing device 20 in the beverage machine, referring to fig. 2 and 10, the beverage capsule 10 is accommodated in the locking brewing device 20, when the locking brewing device 20 is in a locking position, a liquid guide puncture tube 6 punctures a sealing film 4 to enter a capsule inner cavity 11, the beverage machine injects liquid with certain pressure into the beverage capsule 10 through the liquid guide puncture tube 6, and then a dissolved beverage brewing agent 7 (such as coffee powder, milk tea powder or coconut powder) accommodated in the capsule inner cavity 11 is brewed to prepare a beverage, and the brewed beverage flows down into a liquid container below the beverage capsule 10 from a bottom outlet of the beverage capsule 10.

Referring to fig. 1 and 2, the lower filter plate 2 having the convex portion 21 is disposed in the capsule inner cavity 11, and the liquid having a certain pressure is jetted toward the convex portion 21 on the lower filter plate 2 through the liquid guiding puncture tube 6 (i.e., the liquid guiding puncture tube 6 is located right above the convex portion 21), so that the fluid having a certain pressure and flowing downward is reflected and dispersed by the convex portion 21, so that the liquid generates a vortex effect in the beverage capsule 10, and referring to fig. 9, complete dissolution of the beverage brewing agent 7 in the beverage capsule 10 is facilitated, and rapid dissolution of the beverage brewing agent 7 is also facilitated, so that the situation that the beverage brewing agent 7 is wasted can be effectively avoided, and the produced beverage is more fragrant and mellow, i.e., the quality of the beverage is improved.

In particular, the raised portion 21 may be provided in a variety of suitable configurations, such as a hemispherical shape of the raised portion 21, so long as the fluid injected into the interior 11 of the capsule impacts the raised portion 21 to generate a reflected vortex effect. Preferably, referring to fig. 3, the protrusion 21 is a semi-spherical protrusion or a conical protrusion.

Further, referring to fig. 1 to 3, the bottom of the protruding portion 21 is formed with a protruding forming cavity 211 that is recessed upward, that is, the protruding portion is of a non-solid structure, so that the material consumption for producing the lower filter plate can be effectively reduced, which is beneficial to cost reduction.

In addition, referring to fig. 3 to 6, the maximum protrusion height of the protrusion 21 is not less than 3mm and not more than 7mm, and/or the projection area of the protrusion 21 on the top surface of the lower filter sheet 2 is circular and the circular diameter is not less than 6mm and not more than 15 mm. Further, the maximum protrusion height of the protrusion 21 is between 4-6mm, and/or the projection area of the protrusion 21 on the top surface of the lower filter plate 2 is between 8-12 mm. It will be appreciated that the parameters of the projections 21 are preferably within this range to achieve a better swirling effect relative to other sized beverage capsules 10.

It should be noted that the protrusion 21 can be located at the center of the lower filter 2, or at other positions on the top surface of the lower filter 2, as long as the liquid-guiding piercing tube 6 that pierces the beverage capsule 10 is located directly above the protrusion 21 when the locking brewing device 20 in the beverage machine is in the locking position. Preferably, referring to fig. 4 to 6, the raised portion 21 is located at the center of the top surface of the lower filter 2, so that the fluid flowing downwards can form a vortex symmetrical to the central axis of the beverage capsule 10 after the fluid is dispersed at the raised portion 21, and referring to fig. 9, the beverage brewing agent 7 contained in the inner cavity 11 of the capsule can be dissolved quickly and uniformly.

In order to increase the turbulence effect of the liquid in the capsule interior 11 and to make the beverage brewing agent 7 dissolve more quickly and more thoroughly in the capsule interior 11, the capsule interior 11 is preferably a cylindrical, prismatic or spherical cavity, see fig. 7. In addition, turbulence ribs are arranged on the inner wall surface of the capsule inner cavity 11 to enhance the turbulence effect of the capsule inner cavity 11.

In addition, referring to fig. 1, 2 and 7, the lower filter 2 is detachably mounted at the bottom of the capsule cavity 11, so that the beverage capsule 10 can be adapted to brew different kinds of beverages by inserting the lower filter 2 of different specifications into the capsule body 1, thereby making the beverage capsule 10 suitable for mass-production.

Specifically, the lower filter plate 2 disposed in the beverage capsule 10 can not only prevent the undissolved beverage brewing agent 7 from leaking downward, but also allow the beverage to flow downward through the through holes of the lower filter plate 2 after the beverage brewing agent 7 is dissolved in the liquid (i.e., after the beverage is made), and further flow into the liquid containing cup body located below through the bottom outlet of the beverage capsule 10, so that the size of the through holes in the lower filter plate 2 should be matched with the particle size of the beverage brewing agent 7 disposed above the lower filter plate 2.

Preferably, referring to fig. 4 and 5, the lower filter plate 2 includes a filter part 22 surrounding the protrusion part 21, the filter part 22 is uniformly provided with filter pores, the filter pores are strip-shaped pores or circular pores, the width of the strip-shaped pores is not less than 0.2mm and not more than 0.4mm, the length of the strip-shaped pores is not less than 1.0mm and not more than 2.0mm, and the pore diameter of the circular pores is not less than 0.2mm and not more than 0.5 mm.

Wherein, the filtration pore design on lower filter plate 2 is the aperture for a short time, still can make lower filter plate 2 still have the effect of pressure boost when playing the filtering action for drink brewing agent 7 that is located 2 tops of lower filter plate can dissolve more completely, makes the drink taste of obtaining more fragrant and mellow, is favorable to improving user's use and experiences. In addition, the filtering pores are uniformly distributed on the lower filter plate 2, which is beneficial to uniformly distributing the beverage, so that the beverage smoothly flows out from the bottom outlet of the beverage capsule 10 to the liquid containing cup body of the user.

Of course, the lower filter sheet 2 may be provided in other configurations, for example, referring to fig. 6, the lower filter sheet 2 includes a filter portion 22 surrounding the protrusion portion 21, and the filter portion 22 is a woven filter net with 100-150 mesh, which is not illustrated here.

In addition, referring to fig. 1 and 2, a flow-through space 3 is formed between the bottom surface of the lower filter plate 2 and the bottom wall surface of the capsule cavity 11, and the flow-through space 3 is located below the filter holes of the lower filter plate 2, so that the brewed beverage flows downwards into the flow-through space 3 through the through holes uniformly distributed on the lower filter plate 2, and flows out from the bottom outlet of the beverage capsule 10 after converging in the flow-through space 3, so that the beverage fluid flowing out from the bottom outlet of the beverage capsule 10 is stable.

Referring to fig. 1, 2 and 9, the fluid under pressure sprays the liquid toward the convex portion 21 of the lower filter 2 through the liquid-guiding puncture tube 6, so that the lower filter 2 is pressed to deform downward, and particularly, the convex portion 21 of the lower filter 2, preferably, the periphery of the lower filter 2 and/or the bottom of the convex portion 21 is formed with legs which are supported on the bottom wall surface of the capsule inner cavity 11 to form the overflow space 3, so that the pressure deformation of the lower filter 2 to press the space between the lower filter 2 and the capsule inner cavity 11 (i.e., the overflow space 3) can be effectively reduced, and the beverage can smoothly flow out from the bottom outlet of the beverage capsule 10 without sudden and slow.

To further increase the turbulence effect of the liquid in the capsule interior 11, with reference to fig. 2, 7 to 9, the beverage capsule 10 comprises a sealing membrane 4 for closing the top opening of the capsule interior 11, an upper baffle plate 5 being provided between the sealing membrane 4 and the lower filter plate 2, the upper baffle plate 5 being provided with axial through-holes 51 vertically aligned with the projections 21.

Specifically, referring to fig. 9 and 10, when the locking brewing device 20 is in the locking position, the liquid guiding puncturing tube 6 punctures the sealing film 4 and penetrates through the axial through hole 51 of the upper baffle plate 5, the fluid injected through the liquid guiding puncturing tube 6 impacts the convex portion 21 and then is reflected to the inner peripheral wall of the capsule inner cavity 11, and then is reflected and impacts the bottom surface of the upper baffle plate 5, and the fluid is reflected into the beverage brewing agent 7 in the capsule inner cavity 11 through the upper baffle plate 5, so that the turbulent flow effect of the fluid in the capsule inner cavity 11 can be effectively enhanced, and the beverage brewing agent 7 can be more quickly and sufficiently dissolved.

The upper baffle 5 may be convex on the arc surface or concave under the arc surface, and of course, the upper baffle 5 may also be in other shapes, which is not described in detail herein. Preferably, referring to fig. 2 and 9, the boss portion 21 and the axial through hole 51 are respectively located at the central portions of the lower filter sheet 2 and the upper baffle plate 5, and the central portion of the upper baffle plate 5 protrudes downward toward the lower filter sheet 2 to be close to the boss portion 21, so that the bottom surface of the upper baffle plate 5 is formed in a spherical shape centering on the axial through hole 51.

In addition, in order to facilitate the upper flow baffle 5 to be installed in the capsule cavity 11 in a limited manner, referring to fig. 2 and 7, an annular bearing surface 111 is formed on the inner peripheral wall of the top of the capsule cavity 11, and the periphery of the flow baffle is disposed between the annular bearing surface 111 and the sealing film 4.

It should be particularly noted that other configurations and functions of the beverage capsule 10 and the beverage machine according to the embodiment of the present invention are known to those skilled in the art, and are not described herein in detail in order to reduce redundancy.

It should be particularly noted that other structures and functions of the beverage machine according to the embodiment of the present invention are known to those skilled in the art, and are not described herein in detail in order to reduce redundancy.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. A beverage capsule, characterized in that the beverage capsule (10) comprises a capsule body (1) having a capsule inner cavity (11) and a lower filter plate (2), the lower filter plate (2) is arranged at the bottom of the capsule inner cavity (11), the top surface of the lower filter plate (2) is provided with a bulge (21) for reflecting and dispersing a lower punching fluid;

the beverage capsule (10) further comprises a sealing film (4) for sealing the top opening of the capsule inner cavity (11), an upper flow baffle plate (5) is arranged between the sealing film (4) and the lower filter plate (2), and the upper flow baffle plate (5) is provided with an axial through hole (51) vertically aligned with the boss (21); the protrusion (21) and the axial through hole (51) are respectively located at the center portions of the lower filter sheet (2) and the upper baffle plate (5), and the center portion of the upper baffle plate (5) protrudes downward toward the lower filter sheet (2) to be close to the protrusion (21), so that the bottom surface of the upper baffle plate (5) is formed in a spherical shape with the axial through hole (51) as a center.

2. Beverage capsule according to claim 1, wherein the lower filter (2) is removably mounted at the bottom of the capsule inner cavity (11).

3. Beverage capsule according to claim 1, wherein the capsule inner cavity (11) is a cylindrical, prismatic or spherical cavity.

4. The beverage capsule according to claim 1, wherein turbulence ribs are provided on the inner wall surface of the capsule inner chamber (11).

5. The beverage capsule according to claim 1, wherein a flow-through space (3) is formed between the bottom surface of the lower filter (2) and the bottom wall surface of the capsule cavity (11), the flow-through space (3) being located below the filter holes of the lower filter (2).

6. A beverage capsule according to claim 5, wherein the periphery of the lower filter plate (2) and/or the bottom of the raised portion (21) is formed with legs which bear on the bottom wall surface of the capsule interior (11) to form the flow-through space (3).

7. The beverage capsule according to claim 1, wherein the top inner peripheral wall of the capsule inner chamber (11) is formed with an annular land (111), and the periphery of the upper baffle plate (5) is disposed between the annular land (111) and the sealing membrane (4).

8. Beverage capsule according to claim 1, wherein the bottom of the protrusion (21) is formed with an upwardly concave protrusion-forming cavity (211).

9. Beverage capsule according to claim 1, wherein the protrusions (21) are semi-spherical or conical protrusions.

10. The beverage capsule according to claim 1, wherein the maximum projection height of the projections (21) is not less than 3mm and not more than 7mm, and/or the projection area of the projections (21) on the top surface of the lower filter sheet (2) is circular and the circular diameter is not less than 6mm and not more than 15 mm.

11. Beverage capsule according to claim 1, wherein the raised portion (21) is located in the central portion of the top surface of the lower filter sheet (2).

12. The beverage capsule according to claim 1, wherein the lower filter sheet (2) comprises a filter portion (22) surrounding the raised portion (21), wherein the filter portion (22) is uniformly provided with filter pores, the filter pores are strip-shaped pores or round pores, the width of the strip-shaped pores is not less than 0.2mm and not more than 0.4mm, the length of the strip-shaped pores is not less than 1.0mm and not more than 2.0mm, and the pore diameter of the round pores is not less than 0.2mm and not more than 0.5 mm.

13. Beverage capsule according to claim 1, wherein the lower filter sheet (2) comprises a filter portion (22) surrounding the raised portion (21), the filter portion (22) being a 100-150 mesh woven sieve.