CN208192857U - Drink capsule - Google Patents

Abstract

The utility model relates to household appliance technical fields, disclose a kind of drink capsule, the drink capsule includes the capsule ontology (1) with capsule inner cavity (11), the hemispherical structure of the internal perisporium of capsule inner cavity, flow deflector (8) and lower filter (2) are respectively equipped at the top and bottom of capsule inner cavity, drink filler (7) is filled in the beverage extracting chamber (11A) between flow deflector and lower filter, wherein, face seal is formed between the periphery of upper flow deflector and the top internal perisporium of capsule inner cavity, upper flow deflector can move down under Fluid pressure effect.In the drink capsule of the utility model, face seal is formed between the periphery of upper flow deflector and the top internal perisporium of capsule inner cavity, and upper flow deflector can move down under the action of Fluid pressure, the drink capsule so constructed, the drink filler that precompressed is placed in capsule inner cavity is not required to before installing flow deflector, the manufacturing process that drink capsule can effectively be simplified is conducive to drop originally.

Description

Drink capsule

Technical field

The utility model belongs to household appliance technical field, and in particular, to a kind of drink capsule.

Background technique

Currently, the beverage machine of capsule-type is due to having the characteristics that easy to operate, safety and sanitation and drink quality is secure gets over More obtain the favor of consumer, it is more more and more universal.Wherein, it is mounted with drink capsule in beverage machine, by drink capsule Injecting has the liquid of certain pressure to make drink, and then manufactured drink is wandered from the outlet at bottom of drink capsule to user Liquid holding cup body in.

The existing drink capsule suitable for making espresso coffee, ground coffee is placed in the capsule inner cavity of drink capsule In, upper flow deflector is also fixedly installed in the top of the capsule inner cavity, and on this wall surface of flow deflector and ground coffee top surface phase It abuts, in this way, ground coffee is formed as a static substance bed during making espresso coffee, is conducive to brew To rich grease-contained espresso coffee.

During making espresso coffee capsule, to make the upper flow deflector being fixedly installed in capsule inner cavity can be with coffee Powder abuts against, with regard to needing first to carry out pre- press operation to the ground coffee being placed in capsule inner cavity, then again by the fixed peace of upper flow deflector Loaded in capsule inner cavity, in this way, increasing the manufacturing process of drink capsule, the production cost of drink capsule is improved.

Utility model content

A kind of drink capsule is provided for above-mentioned insufficient or defect, the utility model in the prior art, the drink capsule Manufacturing process it is relatively simple, advantageously reduce the production cost of drink capsule.

To achieve the above object, the utility model provides a kind of drink capsule, which includes having in capsule The capsule ontology of chamber, the hemispherical structure of internal perisporium of the capsule inner cavity, the top and bottom of the capsule inner cavity are set respectively There are upper flow deflector and lower filter, drink filler is filled in the beverage extracting between the upper flow deflector and the lower filter In chamber, wherein form face seal between the periphery of the upper flow deflector and the top internal perisporium of the capsule inner cavity, it is described on Flow deflector can move down under Fluid pressure effect.

Preferably, the periphery wall of the upper flow deflector is vertical outer wall, and the top internal perisporium of the capsule inner cavity is formed as Vertical inner wall compatible with the vertical outer wall of the upper flow deflector.

Preferably, the piling height of the drink filler in the beverage extracting chamber is between the top of the vertical inner wall Between end and bottom end, the upper flow deflector can be compacted downwards the drink filler under Fluid pressure effect.

Preferably, the pushing displacement range of the upper flow deflector is 1mm~2mm.

Preferably, the upper flow deflector is the flake structure that can generate downward Displacement-deformation.

Preferably, the periphery wall of the upper flow deflector is up big and down small tapered surface.

Preferably, the top internal perisporium of the capsule inner cavity is again formed as up big and down small tapered surface, and in the top Cone angle of the cone angle of peripheral wall no more than the periphery wall of the upper flow deflector.

Preferably, position limiting structure is formed at the top of the capsule inner cavity, the position limiting structure limits the upper flow deflector Pushing extreme position.

Preferably, the drink filler the upper flow deflector the pushing extreme position and the lower filter it Between cavity in packing volume be not more than 90%.

Preferably, the drink capsule includes the open-topped sealed membrane for covering the capsule inner cavity, the envelope Be formed as fluid pressurized chamber between membrana oralis and the upper flow deflector.

Preferably, the periphery of the upper flow deflector is formed with the annular outer wall upwardly extended, downward in the upper flow deflector The top of mobile original state, the annular outer wall abuts the sealed membrane.

Preferably, it is formed with flaring stage portion at the top of the capsule inner cavity, in the initial shape of the upper flow deflector State, the external wall of upper portion face of the annular outer wall and the upper vertical anchor ring of the flaring stage portion are radially spaced, described cyclic annular outer The lower part outside wall surface of wall is bonded with the lower vertical anchor ring of the flaring stage portion, the lower part outside wall surface and the annular outer wall The ratio between total height is not less than 1/3.

Preferably, the total height of the annular outer wall not less than 5mm and is not more than 15mm.

Preferably, the upper flow deflector includes central dip portion and the annular diversion division that deflector hole is distributed with, the center Lower concave part is recessed relative to the apical ring face of the annular diversion division, and the surface in the central dip portion is formed to backwash liquid Circular arc concave surface.

Preferably, the deflector hole is strip-shaped hole, and the width of the strip-shaped hole not less than 0.2mm and is not more than 0.4mm, institute The length of strip-shaped hole is stated not less than 1.0mm and no more than 2.0mm；Alternatively, the deflector hole is circular hole, the aperture of the circular hole is not Less than 0.2mm and it is not more than 0.5mm.

Through the above technical solutions, upper flow deflector and lower filter are respectively set in the drink capsule of the utility model In the top and bottom of capsule inner cavity, drink filler is placed in the beverage extracting chamber between flow deflector and lower filter, And face seal is formed between the periphery of upper flow deflector and the top internal perisporium of capsule inner cavity, in this way, in the process of brewing drink In, upper flow deflector can move down under the action of Fluid pressure and be compacted drink filler, to make drink filler can Be formed as a static substance bed, and then brew the drink of high-quality.The drink capsule so constructed is installing water conservancy diversion It is not required to the drink filler that precompressed is placed in capsule inner cavity before piece, can effectively simplify the manufacturing process of drink capsule, favorably Yu Jiangben.

Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the structural schematic diagram according to a kind of drink capsule of preferred embodiment of the utility model；

Fig. 2 is the Structure explosion diagram of Fig. 1；

Fig. 3 is the inverted view of Fig. 2；

Fig. 4 is the cross-sectional view of the upper flow deflector in Fig. 1；

Fig. 5 is the top view of the upper flow deflector of first preferred embodiment of the utility model, wherein on annular diversion division Uniformly distributed water conservancy diversion pore is circular hole；

Fig. 6 is the top view of the upper flow deflector of second preferred embodiment of the utility model, wherein on annular diversion division Uniformly distributed water conservancy diversion pore is strip-shaped hole.

Description of symbols:

The lower filter of 1 capsule ontology 2

4 sealed membrane, 6 drain punctures pipe

Flow deflector on 7 drink fillers 8

11 capsule inner cavity, 81 central dip portion

82 83 annular outer walls of annular diversion division

11A beverage extracting chamber 11B fluid pressurized chamber

Vertical anchor ring under vertical anchor ring 114 on 113

115 horizontal bench anchor rings

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually Be for direction shown in the drawings either for it is vertical, vertically or on gravity direction for each component mutual alignment Relationship description word.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

The utility model provides a kind of drink capsule, and referring to Figures 1 and 2, which includes having capsule inner cavity 11 Capsule ontology 1, the hemispherical structure of the internal perisporium of capsule inner cavity 11, the top and bottom of capsule inner cavity 11, which are respectively equipped with, leads Flow 8 and lower filter 2, drink filler 7 are filled in the beverage extracting chamber 11A between flow deflector 8 and lower filter 2, Wherein, face seal is formed between the periphery of upper flow deflector 8 and the top internal perisporium of capsule inner cavity 11, upper flow deflector 8 can be It is moved down under Fluid pressure effect.

In the technical scheme, it is close that anchor ring is formed between the periphery of upper flow deflector 8 and the top internal perisporium of capsule inner cavity 11 Envelope, and flow deflector 8 can move down under the action of Fluid pressure on this, in this way, during making drink, injection drink Expect that the fluid of capsule is sprayed towards the top wall surface of upper flow deflector 8, upper flow deflector 8 moves down under the action of the fluid, in turn Compacting is located at the drink filler 7 in beverage extracting chamber 11A, so that drink filler 7 is formed as a static substance bed, favorably In the drink for brewing high-quality.The drink capsule so constructed is not required to precompressed before installing flow deflector 8 and is placed in drink Drink filler 7 in extraction chamber 11A (i.e. during producing drink capsule, can omit 7 this step of precompressed drink filler Suddenly), in this way, can effectively simplify the manufacturing process of drink capsule, the production cost of drink capsule is advantageously reduced.In addition, drinking During expecting capsule research and development, it is easier to occur needing to finely tune being filled in beverage extracting due to the change of user's mouthfeel in market Therefore the situation of the volume of drink filler 7 in chamber 11A sets movable for the upper flow deflector 8 in drink capsule, It also can avoid to make drink capsule be applicable to the drink filler 7 of a variety of volumes, and occur that drink capsule processed need to be opened again The situation of mold is also beneficial to drop originally.

Specifically, the face seal structure between the periphery of upper flow deflector 8 and the top internal perisporium of capsule inner cavity 11 can be with There are many setting forms appropriate, such as the periphery wall of upper flow deflector 8 and the top internal perisporium of capsule inner cavity 11 to be disposed as erecting The periphery wall of straight wall face or upper flow deflector 8 is that the top internal perisporium of up big and down small taper wall surface and capsule inner cavity 11 is vertical Wall surface etc., no longer enumerates herein.In addition, the internal perisporium of capsule inner cavity 11 is in addition to that can be hemispherical dome structure, or Cylindrical structure, it is, of course, also possible to which details are not described herein for other structure types such as water chestnut cylindricality.

Preferably, referring to figs. 1 to Fig. 3, the periphery wall of upper flow deflector 8 is vertical outer wall, the top inner circumferential of capsule inner cavity 11 Wall is formed as vertical inner wall compatible with the vertical outer wall of upper flow deflector 8.

Wherein, the piling height of the drink filler 7 in beverage extracting chamber 11A between vertical inner wall top and bottom end it Between, upper flow deflector 8 can be compacted downwards drink filler 7 under Fluid pressure effect.It is to be appreciated that drink filler 7 Piling height is located between the top and bottom end of the vertical inner wall of capsule inner cavity 11 that (i.e. the top surface of drink filler 7 is located at vertical Between the top and bottom end of inner wall), in this way, could be compressed during upper flow deflector 8 moves down under Fluid pressure effect Drink filler 7 can just make the alkaline soluble materials in drink filler 7 under the operating pressure of high pressure (such as 8bar~10bar) With preferable dissolution rate, and then the drink that high-quality is made is extracted, such as brewing espresso coffee, the piling height of ground coffee is situated between Between the top and bottom end of the vertical inner wall of capsule inner cavity 11, under the operating pressure of 8bar~10bar, it can extract well Grease in ground coffee out, and then brew the espresso coffee with level.

Further, referring to Fig.1, upper flow deflector 8 movable under the action of Fluid pressure can be compacted downwards drink and fill out Agent 7 is filled, since drink filler 7 now is mostly powdery, especially makes the more fine and smooth (coffee of ground coffee of espresso coffee The diameter of grain is generally between 0.04mm between 0.06mm), therefore, under the action of Fluid pressure, what upper flow deflector 8 can push Displacement range should be 1mm~2mm.

In addition, upper flow deflector 8 is the flake structure that can generate downward Displacement-deformation, referring to Fig.1, and upper flow deflector 8 Face seal is formed between periphery and the top internal perisporium of capsule inner cavity 11, in this way, when have the fluid of certain pressure towards upper When the top wall surface injection of flow deflector 8,8 stress of flow deflector can be made to push, and then flow deflector 8 is enable to be pressed against under it The drink filler 7 of side, plays the role of uniform compaction drink filler 7, is conducive to that drink filler 7 is made to reach optimal extraction Take effect.

To enable upper 8 stress of flow deflector to generate downward Displacement-deformation, it is preferable that upper flow deflector 8 should be flexible plastic sheet, Such as upper flow deflector 8 can choose flexible plastic sheet made of the materials such as PP, PET or PE.

Certainly, the face seal structure between the periphery of upper flow deflector 8 and the top internal perisporium of capsule inner cavity 11 can be with Periphery wall for upper flow deflector 8 is up big and down small tapered surface, at this point, mutually sealing cooperation with the taper wall surface of flow deflector 8 on this The top internal perisporium of capsule inner cavity 11 can be all up big and down small taper wall surface, or vertical wall surface can also be Other wall surface forms, this is no longer going to repeat them.

Preferably, the top internal perisporium of capsule inner cavity 11 is again formed as up big and down small tapered surface, and top internal perisporium Cone angle is no more than the cone angle of the periphery wall of upper flow deflector 8, i.e., the level inclination of the top internal perisporium of capsule inner cavity 11 is not less than upper The level inclination of the periphery wall of flow deflector 8, in this way, the periphery wall of upper flow deflector 8 can be with the top internal perisporium shape of capsule inner cavity 11 At face seal, the fluid for injecting drink capsule could be flowed downwardly into only under upper flow deflector 8 from the deflector hole of upper flow deflector 8 In the drink filler 7 of side.

Specifically, the drink capsule containing upper flow deflector 8 is the drink capsule of extraction type, the interior drink filler filled 7 be the drink filler 7, such as ground coffee, tealeaves etc. of extraction type.In addition, the drink that brewing is different, in addition to the drink of filling The type of filler 7 is different outer, and the volume of filling and the process conditions of brewing are also variant, such as brews espresso coffee, above leads The wall surface of flow 8 need to be pressed against the ground coffee being disposed below, and could be compacted ground coffee in this way to make ground coffee be formed as One static substance bed, extracting pressure is generally between 8bar between 10bar；And caffe american is manufactured, the top of ground coffee Should there be certain spacing distance between face and the wall surface of upper flow deflector 8, so that ground coffee is in beverage extracting chamber 11A Loose state, and its extracting pressure is usually 1bar~2bar, there are also other extraction types and its corresponding extractions certainly Condition no longer enumerates herein.

To make drink capsule be applicable to the brewing of caffe american or teas drink etc., during making drink, on It needs to retain between the wall surface of filter and the top surface of drink filler 7 and has certain gap, in this way, can just make drink filler 7 are in loose state in beverage extracting chamber 11A, and then brew out the drink of high-quality.Therefore, on the top of capsule inner cavity 11 Portion is preferably formed with position limiting structure, which limits the pushing extreme position of upper flow deflector 8.Wherein, position limiting structure can (the top internal perisporium of such as capsule inner cavity 11 is vertical wall surface to the undergauge structure for thinking in capsule inner cavity 11, referring to Fig.1, perpendicular with this The bottom internal perisporium of the connected capsule inner cavity 11 in straight wall face is spherical wall, and the diameter of the cross section of the spherical wall is less than vertical wall The cross-sectional diameter in face), or the radial flange collar being formed in capsule inner cavity 11 can also be other position limiting structures, As long as the position limiting structure can limit the pushing extreme position of flow deflector 8.

Wherein, filling out in cavity of the drink filler 7 between the pushing extreme position and lower filter 2 of upper flow deflector 8 90% should be not more than by filling volume, in this way, can make drink filler 7 in beverage extracting chamber 11A in loose state, it can be very The good brewing for carrying out caffe american or teas drink.

Further, referring to figs. 1 to Fig. 3, drink capsule includes the open-topped sealing for covering capsule inner cavity 11 Film 4 is formed as fluid pressurized chamber 11B between sealed membrane 4 and upper flow deflector 8.It is to be appreciated that the top of capping capsule inner cavity 11 The sealed membrane 4 of opening enters capsule inner cavity 11 in addition to the external world can be made to be isolated with capsule inner cavity 11, to avoid extraneous dirt, It can also seal and the fresh-keeping drink filler 7 being placed in capsule inner cavity 11.

Preferably, the periphery of upper flow deflector 8 is formed with the annular outer wall 83 upwardly extended, moves down in upper flow deflector 8 Original state, the top of annular outer wall 83 abuts sealed membrane 4, referring to figs. 1 to Fig. 4, in this way, in the process of drink capsule transport In, sealed membrane 4 can abut upper flow deflector 8 from the top of annular outer wall 83, occur to can avoid drink filler 7 from upper water conservancy diversion The periphery of piece 8 and the gap location of capsule inner cavity 11 leak into the situation in fluid pressurized chamber 11B.

Specifically, referring to Figures 1 and 2, the top of capsule inner cavity 11 is formed with flaring stage portion, in the first of upper flow deflector 8 Beginning state, the external wall of upper portion face of annular outer wall 83 and the upper vertical anchor ring 113 of flaring stage portion are radially spaced, annular outer wall 83 Lower part outside wall surface be bonded with the lower vertical anchor ring 114 of flaring stage portion, the total height of lower part outside wall surface and annular outer wall 83 it Than 1/3 should be not less than.Wherein, the internal perisporium for being flared stage portion includes upper vertical anchor ring 113, horizontal bench anchor ring 115 and lower perpendicular Straight anchor ring 114, and the radial outer end of horizontal bench anchor ring 115 and radial inner end respectively with upper vertical anchor ring 113 and lower vertical ring Face 114 is connected.It is to be appreciated that the lower part outside wall surface and the ratio of the ratio between the total height of annular outer wall 83 of annular outer wall 83 are got over Greatly, then during upper flow deflector 8 moves down under action of a fluid, getting over will not generate that flow deflector 8 is non-horizontal to be moved down Situation, be conducive to the drink filler 7 that upper 8 uniform compaction of flow deflector is disposed below, and then improve the quality of drink.

Further, it should be not less than 5mm with Fig. 4, the total height of annular outer wall 83 referring to Fig.1 and be not more than 15mm.Specifically Ground, the total height of the annular outer wall 83 of upper flow deflector 8 herein within the scope of, not only contribute to 8 level of flow deflector and move down with equal Even compacting drink filler 7, but also drink capsule can be made small and exquisite convenient, it occupies little space.

In addition, upper flow deflector 8 includes central dip portion 81 and the annular diversion division that deflector hole is distributed with referring to figs. 1 to Fig. 4 82, central dip portion 81 is recessed relative to the apical ring face of annular diversion division 82, and the surface in central dip portion 81 is formed to instead The circular arc concave surface of splashing liquid body.

Specifically, referring to Fig.1, fluid pressurized chamber 11B is formed between sealed membrane 4 and upper flow deflector 8, in beverage machine Drain punctures pipe 6 and sprays liquid, the circular arc concave surface in hydraulic shock central dip portion 81 towards the central dip portion 81 of upper flow deflector 8 It reflects and disperses in the capsule inner cavity 11 (i.e. fluid pressurized chamber 11B) that backwash enters above upper flow deflector 8 afterwards, and then equably Fluid pressurized chamber 11B is filled up, in this way, the pressure gap that fluid is applied to each region of annular diversion division 82 can effectively be reduced, is had Conducive to making each region uniform-compression of annular diversion division 82；As liquid is full of fluid pressurized chamber 11B, in fluid pressurized chamber 11B Fluid pressure also increase, when the fluid pressure of 82 top of annular diversion division reaches extracting pressure, liquid can just pass through Spaced apart deflector hole is uniform in annular diversion division 82 and gently flows downwardly into drink filler 7, i.e., upper flow deflector 8 is Even diverted liquid can so make the surface of dirty liquid uniform fold drink filler 7, can be effectively improved drink filler 7 effect of extracting is conducive to extract drink filler 7 sufficiently, so that the situation for avoiding drink filler 7 from occurring wasting, makes The drink being obtained by extraction is more aromatic.

Wherein, by upper flow deflector 8 be arranged central dip portion 81, can make each region of annular diversion division 82 uniformly by Pressure, in this way, the liquid when liquid passes through annular diversion division 82 and flows into drink filler 7, in each deflector hole of annular diversion division 82 Pressure and flow be closer to, be conducive to improve drink filler 7 effect of extracting, be also beneficial to drink filler 7 Sufficiently extraction.In addition, blocking of the liquid by upper flow deflector 8 may be used also when in the liquid injection drink capsule with certain pressure It avoids drink filler 7 from directly being generated turbulent flow by hydraulic shock, the drink filler 7 for being located at upper 8 lower section of flow deflector can be made A static substance bed is formed, the extraction of drink is conducive to.

Specifically, with continued reference to Fig. 1 and Fig. 4, the recessed height of maximum in central dip portion 81 not less than 3mm and is not more than 7mm, and/or, view field of the central dip portion 81 on the top surface of upper flow deflector 8 is rounded and round diameter is not less than 6mm And it is not more than 15mm.It is to be appreciated that the parameter in central dip portion 81 preferably exists for the drink capsule of other sizes Within the scope of this, being conducive to make the liquid injected, equably backwash enters in capsule inner cavity 11 above upper flow deflector 8, can The effect of extracting for more effectively improving drink filler 7, improves the quality of drink.

Preferably, referring to Fig.1, Fig. 5 and Fig. 6, deflector hole is strip-shaped hole, and the width of strip-shaped hole is not less than 0.2mm and less Not less than 1.0mm and it is not more than 2.0mm in the length of 0.4mm, strip-shaped hole；Alternatively, deflector hole is circular hole, the aperture of circular hole is not small In 0.2mm and it is not more than 0.5mm.

Wherein, the deflector hole on upper flow deflector 8 is designed as small-bore, and flow deflector 8 can be made to play the role of filtering, ascended the throne Drink filler 7 in upper 8 lower section of flow deflector will not reversely be leak into fluid pressurized chamber 11B.In addition, upper flow deflector 8 can also have There is the effect of pressurization, so that can just flow downwardly into drink filling after the fluid pressure in fluid pressurized chamber 11B reaches extracting pressure The extraction that drink is carried out in agent 7, keeps the drink taste obtained more aromatic, is conducive to the usage experience for improving user.

It should be strongly noted that being set to capsule inner cavity 11 to make drink filler 7 reach optimal effect of extracting The upper flow deflector 8 at top should have the pressurization effectiveness such as current limliting and uniform divided flows, and therefore, upper flow deflector 8 is not suitable for using aperture The upper flow deflector 8 of biggish braiding filter screen type.In addition, the fluid pressurized chamber 11B between sealed membrane 4 and upper flow deflector 8, only It is formed with the deflector hole passed through for liquid on upper flow deflector 8, in this way, reaching extraction to the fluid pressure in fluid pressurized chamber 11B After pressure power, just can only it flow downwardly into from the annular diversion division 82 in upper flow deflector 8 into drink filler 7, and then to drink Filler 77 is extracted.

Specifically, according to other compositions of drink capsule and beverage machine in the utility model embodiment and effect for All be for those skilled in the art it is known, in order to reduce redundancy, be not repeated herein.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

It is further to note that specific technical features described in the above specific embodiments, in not lance It in the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model is to each No further explanation will be given for the possible combination of kind.

In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.

Claims (15)

1. a kind of drink capsule, including the capsule ontology (1) with capsule inner cavity (11), the internal perisporium of the capsule inner cavity (11) Hemispherical structure is respectively equipped with flow deflector (8) and lower filter (2) at the top and bottom of the capsule inner cavity (11), drinks Product filler (7) is filled in the beverage extracting chamber (11A) between the upper flow deflector (8) and the lower filter (2), special Sign is, forms face seal between the periphery of the upper flow deflector (8) and the top internal perisporium of the capsule inner cavity (11), institute Stating flow deflector (8) can move down under Fluid pressure effect.

2. drink capsule according to claim 1, which is characterized in that the periphery wall of the upper flow deflector (8) is vertical outer Wall, the top internal perisporium of the capsule inner cavity (11) are formed as compatible with the vertical outer wall of the upper flow deflector (8) Vertical inner wall.

3. drink capsule according to claim 2, which is characterized in that the drink in the beverage extracting chamber (11A) For the piling height of filler (7) between the top and bottom end of the vertical inner wall, the upper flow deflector (8) can be described It is compacted the drink filler (7) downwards under Fluid pressure effect.

4. drink capsule according to claim 3, which is characterized in that the pushing displacement range of the upper flow deflector (8) is 1mm~2mm.

5. drink capsule according to claim 3, which is characterized in that the upper flow deflector (8) is that can generate to bottom Move the flake structure of deformation.

6. drink capsule according to claim 1, which is characterized in that the periphery wall of the upper flow deflector (8) be it is upper it is big under Small tapered surface.

7. drink capsule according to claim 6, which is characterized in that the top internal perisporium of the capsule inner cavity (11) also shape As up big and down small tapered surface, and the cone angle of the top internal perisporium is no more than the cone of the periphery wall of the upper flow deflector (8) Angle.

8. drink capsule according to claim 1, which is characterized in that be formed with limit at the top of the capsule inner cavity (11) Structure, the position limiting structure limit the pushing extreme position of the upper flow deflector (8).

9. drink capsule according to claim 8, which is characterized in that the drink filler (7) is in the upper flow deflector (8) the packing volume in the cavity between the pushing extreme position and the lower filter (2) is not more than 90%.

10. drink capsule described according to claim 1~any one of 9, which is characterized in that the drink capsule includes using In the open-topped sealed membrane (4) for covering the capsule inner cavity (11), the sealed membrane (4) and the upper flow deflector (8) it Between be formed as fluid pressurized chamber (11B).

11. drink capsule according to claim 10, which is characterized in that the periphery of the upper flow deflector (8) forms oriented The annular outer wall (83) of upper extension, on the original state that the upper flow deflector (8) moves down, the top of the annular outer wall (83) End abuts the sealed membrane (4).

12. drink capsule according to claim 11, which is characterized in that be formed with expansion at the top of the capsule inner cavity (11) Mouth stage portion, in the original state of the upper flow deflector (8), the external wall of upper portion face of the annular outer wall (83) and the expansion The upper vertical anchor ring (113) of mouth stage portion is radially spaced, the lower part outside wall surface of the annular outer wall (83) and the flaring platform Lower vertical anchor ring (114) fitting in rank portion, the ratio between the total height of the lower part outside wall surface and the annular outer wall (83) are not less than 1/3。

13. drink capsule according to claim 11, which is characterized in that the total height of the annular outer wall (83) is not less than 5mm and be not more than 15mm.

14. drink capsule according to claim 1, which is characterized in that the upper flow deflector (8) includes central dip portion (81) and the annular diversion division (82) of deflector hole is distributed with, the central dip portion (81) is relative to the annular diversion division (82) Apical ring face it is recessed, the surface of the central dip portion (81) is formed to the circular arc concave surface of backwash liquid.

15. drink capsule according to claim 14, which is characterized in that the deflector hole is strip-shaped hole, the strip-shaped hole Width not less than 0.2mm and be not more than 0.4mm, the length of the strip-shaped hole is not less than 1.0mm and is not more than 2.0mm；Alternatively, The deflector hole is circular hole, and the aperture of the circular hole not less than 0.2mm and is not more than 0.5mm.