WO2021217961A1 - 一种饮料酿造装置的弹性组合件、顶渣复位组件及其装置 - Google Patents

一种饮料酿造装置的弹性组合件、顶渣复位组件及其装置 Download PDF

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Publication number
WO2021217961A1
WO2021217961A1 PCT/CN2020/110003 CN2020110003W WO2021217961A1 WO 2021217961 A1 WO2021217961 A1 WO 2021217961A1 CN 2020110003 W CN2020110003 W CN 2020110003W WO 2021217961 A1 WO2021217961 A1 WO 2021217961A1
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WO
WIPO (PCT)
Prior art keywords
elastic
lower piston
blocking element
base
assembly
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PCT/CN2020/110003
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English (en)
French (fr)
Inventor
朱梅生
王照亮
Original Assignee
苏州咖乐美咖啡机科技有限公司
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Application filed by 苏州咖乐美咖啡机科技有限公司 filed Critical 苏州咖乐美咖啡机科技有限公司
Priority to EP20932939.0A priority Critical patent/EP4104719A1/en
Priority to JP2022552861A priority patent/JP2023517533A/ja
Priority to KR1020227030254A priority patent/KR20220144817A/ko
Publication of WO2021217961A1 publication Critical patent/WO2021217961A1/zh

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    • 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
    • A47J31/24—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3666—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means whereby the loading of the brewing chamber with the brewing material is performed by the user
    • A47J31/3671—Loose coffee being employed
    • 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
    • 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

Definitions

  • the invention relates to the technical field of beverage preparation, in particular to a top slag reset component of a beverage brewing device and a device thereof.
  • Modern beverage production equipment includes tea beverage extraction equipment and coffee extraction equipment.
  • the main components of coffee extraction or brewing equipment include upper and lower pistons and brewing cylinders. Together, the upper and lower pistons and brewing cylinders form a brewing chamber.
  • the hot water is conveyed under pressure through the coffee powder to form a coffee beverage, and the coffee beverage is discharged through the outlet pipe.
  • the coffee residues need to be removed to facilitate the next brewing.
  • the relative movement of the lower piston installed in the brewing cylinder and the brewing cylinder is generally used to realize that the lower piston pushes the coffee residue out of the brewing chamber, that is, tops, discharges, and resets the lower piston and the brewing cylinder. It is reset to the position where coffee powder is added to complete the entire coffee brewing process.
  • Some existing beverages such as coffee brewing devices, force the lower piston in the brewing cylinder to move relative to the brewing cylinder to achieve the above-mentioned top slag reset process, that is, the lower piston ejects the coffee residues from the brewing chamber, and the lower piston and the brewing chamber The cylinder is reset to the coffee powder position.
  • the lower piston is axially movably mounted on the brewing cylinder.
  • the relative movement position of the lower piston and the brewing cylinder is provided with upper and lower limit positions.
  • the upper surface of the lower piston is basically flush with the upper port of the brewing cylinder to complete the top slag; the lower piston moves to the bottom end of the brewing cylinder.
  • the lower piston is at the lower limit position of relative movement with the brewing cylinder to accommodate coffee powder.
  • the process of ejecting coffee residues from the brewing chamber and resetting the lower piston and the brewing cylinder during the resetting process of the top slag requires forcing the lower piston in the brewing cylinder to stop and/or interact with the brewing cylinder. Relative movement occurs, and the structure that realizes this function is composed of a compressible protrusion generally made of flexible material on the inner surface of the lower piston of the coffee maker brewing device and a limit device fixed on the frame of the coffee maker brewing device.
  • the compressible protrusions made of the flexible material on the inner surface of the lower piston and the limiting device are used to block the movement of the lower piston to realize the relative movement of the lower piston and the brewing cylinder, completing the above-mentioned topping. Slag reset function.
  • the components that play the role of the top slag reset function together, in the prior art are the flexible compressible protrusions on the inner surface of the lower piston and the limit device on the frame, which are defined as the top slag reset component, but the above and the limit device
  • the flexible compressible protrusion that blocks the movement of the lower piston often suffers from the problem of serious wear and tear as the use time increases during the frictional contact with the limit device, which affects the structural reliability, reduces the working stability and service life of the components, and replaces the components. Increased costs.
  • the purpose of the present invention is to provide a top slag reset assembly of a beverage brewing device with relatively simple structure, reliable performance and longer service life, and a beverage brewing device with the assembly, in view of the above-mentioned problems in the prior art.
  • a top slag reset assembly of a beverage brewing device which includes an elastic assembly arranged on the inner surface of the lower piston of the beverage brewing device and a supporting limit device; elasticity;
  • the assembly and the limiting device are matched to realize the blocking of the lower piston and/or the relative movement of the lower piston and the brewing cylinder;
  • the limiting device includes a limiting member made of rigid material and a device for installing the limiting member The limiter base;
  • the elastic assembly includes an elastic element, a blocking element and an elastic base, the elastic base is used to fix the elastic element and the blocking element in the inner cavity of the lower piston, and the elastic element is installed in the blocking element near the piston
  • One end of the peripheral surface, that is, the outer end, provides elastic force for the blocking element;
  • the blocking element is made of rigid material, and the blocking element can partially collide with the limiting member during the movement of the lower piston due to the elastic force of the elastic element, or the elastic element and the rigid
  • the blocking element and the limiting member are made of rigid materials, the obvious wear caused by relative displacement during interaction is prevented, the service life is prolonged, and the material of the blocking element itself is not deformed to block the lower piston and/ Or the lower piston and the brewing cylinder move relative to each other, but the blocking element is displaced as a whole under the action of the elastic element.
  • the whole structure is relatively simple, the performance is reliable, and the service life is longer.
  • one of the specific embodiments of the elastic assembly may be: the elastic base is formed with an inner cylindrical hole matching the outer peripheral surface of the limiting member, and at least one radial hole opened in the circumferential direction of the elastic base Through hole, the blocking element is radially movably installed in the radial through hole of the elastic base, the blocking element is provided with a curved surface at one end close to the inner cylindrical hole, and the radial through hole is close to one end of the inner cylindrical hole That is, the inner end is contracted in diameter or is provided with a buckle component so that the elastic element resists the end of the blocking element close to the inner wall of the lower piston, that is, the outer end causes the arc surface of the blocking element to radially protrude into the inner cylindrical hole; the stopper specifically corresponds to Set as a rigid cam, hereinafter referred to as a rigid cam as a limit cam, the outer diameter of the limit cam matches the inner cylindrical hole of the elastic base; wherein the buckle member may be a through hole in the radial direction.
  • the protrusions arranged radially in the cross section also have the effect of making the radial through hole close to the inner cylindrical hole end, that is, the inner end of the diameter shrinks, so that the blocking element will not fall out of the elastic base inward.
  • the buckle part can also be used.
  • the position of the blocking element in the radial through hole is controlled by the elastic force of the elastic element to the blocking element and the force between the limit cam and the blocking element, so as to block the occurrence between the lower piston, the lower piston and the brewing cylinder Relative displacement and other functions.
  • the inner end of the blocking element is curved to make transitional contact with the limiter, reducing friction and component wear.
  • the brewing cylinder After the beverage is extracted, the brewing cylinder carries the lower piston and moves downward together during the first movement, and the lower piston moves downward together with the elastic assembly. , The speed of movement of the brewing cylinder, the lower piston and the elastic assembly are equal. When the blocking element abuts the upper surface of the rigid limit cam, that is, the upper stop surface, the second movement starts. At this time, the movement of the lower piston and the elastic assembly is reduced or completely stopped due to the blocking of the stopper. But the brewing cylinder continues to move downwards, and the lower piston and the brewing cylinder move relative to each other.
  • the brewing cylinder and the lower piston move downward together with the continuous drive of the beverage brewing drive unit
  • the pushing causes the arc surface part of the blocking element in the elastic assembly that radially protrudes into the inner cylindrical hole is partially or completely pressed into the radial through hole by the limiting cam, and the blocking element realizes the joint action of the elastic element and the limiting cam
  • the lower part realizes the overall radial displacement, and realizes that the brewing cylinder and the lower piston can break through the obstruction of the limit cam to cause a third movement and continue to move downward together.
  • the slag discharge component completes the removal of the beverage residue on the upper surface of the lower piston.
  • the subsequent movement process is different according to the form of the limit cam.
  • the limit cam here has two forms according to the difference in height.
  • the first type of limit cam is that the height of the limit cam is high enough, that is, the brewing cylinder and the lower piston move to the lowest point with the elastic assembly and still not reach the limit cam.
  • the second limit cam form is that the height of the limit cam is small.
  • the brewing cylinder and the lower piston carry the elastic assembly to reach the lower surface of the limit cam before continuing to move to the lowest point.
  • the limit cam can be It is considered that the upper surface with two stop surfaces, namely the limit cam, is the upper stop surface, and the lower surface is the lower stop surface.
  • the maximum outer diameter of the stop surface is the maximum outer diameter of the limit cam, and the diameter of the inner cylindrical hole of the elastic base is larger than the maximum outer diameter of the limit cam.
  • the arc surface part of the blocking element radially protruding into the inner cylindrical hole is in the restricted position. Part or all of the cam is pressed into the radial through hole.
  • the brewing cylinder, the lower piston and the elastic assembly have reached the lowest point and are in a static state, and there is friction between the blocking element and the limiting member.
  • the fourth movement occurs.
  • the lower piston movement is blocked by the limit cam and the speed increases slowly or stops completely, but the brewing cylinder continues to move upwards relatively quickly.
  • the lower piston and the brewing cylinder produce relative movement.
  • the brewing cylinder and the lower piston make a third movement through the limit cam until it reaches the lower surface of the limit cam, that is, below the lower stop surface.
  • the blocking element is separated from the limit piece.
  • the block is restored to the original position under the force of the elastic element, that is, the arc surface part protrudes into the inner cylindrical hole, and the brewing cylinder, the lower piston and the elastic assembly have been moved to the lowest point in this state and are in a static state.
  • the blocking element starts the fourth movement when it comes into contact with the limiting member, that is, the lower surface of the rigid limiting cam, that is, the lower stopping surface.
  • the brewing cylinder moves relative to the lower piston to the lower limit position of the two relative positions, that is, when the volume of the brewing cylinder is maximum, it is generally the position for filling powder at this time.
  • the brewing cylinder drives the lower piston, and the elastic assembly overcomes the obstacle of the limit cam to make a fifth movement and continue to move upward together.
  • the brewing cylinder and the lower piston push upward together so that the arc surface part of the blocking element radially protruding into the inner cylindrical hole is restricted
  • the cam is partially or completely pressed into the radial through hole, and the blocking element realizes the overall displacement under the action of the elastic element and the limit cam, so that the brewing cylinder and the lower piston can break through the obstacle of the limit cam to cause the fifth movement and continue upward. sports.
  • the three pass through the limit cam until they escape from the limit cam.
  • the blocking element When the blocking element leaves the limit cam, the blocking element returns to its original position under the elastic force of the elastic element, that is, the arc surface of the blocking element projects radially into the inner cylindrical hole, and the brewing cylinder drives the lower piston and the elastic assembly upward together
  • the movement and the upper piston together form a brewing chamber to complete the coffee extraction; after the beverage is extracted, the next cycle is performed, and the brewing cylinder carries the lower piston together to make the first movement downward.
  • the lower piston gradually pushes out the beverage residue from the brewing chamber, or the lower piston and the brewing cylinder are reset to the powder filling position. Both the elastic assembly and the limiting device are called the top Slag reset components.
  • the blocking element when the blocking element is subjected to the thrust force of the limiting element greater than the elastic force of the elastic element, the blocking element undergoes radial elastic displacement outward, and the elastic force between the blocking element and the elastic element passes through the parameters of the elastic element Can be controlled and adjusted; the diameter of the radial through hole is not less than the maximum outer diameter of the blocking element profile, so that the blocking element can move in the radial through hole.
  • the limit cam selects the above-mentioned second limit cam form, which includes an upper stop surface and a lower stop surface.
  • the upper stop surface and the lower stop surface are tapered surfaces.
  • the tapered surface is in tangential transitional contact with the blocking element. The advantage of this arrangement is that the tapered surface cooperates with the blocking element, and the wear becomes smaller, and the driving force of the elastic assembly can be changed by changing the angle of the tapered surface, which is convenient for adjustment and control. .
  • the limit Part of the cylindrical surface between the upper stop surface and the lower stop surface of the positioning cam is a concave curved surface.
  • the concave curved surface of the limit cam allows the blocking element to be partially or completely restored under the action of the elastic element, that is, the arc surface of the blocking element partially or completely projects radially into the inner cylindrical hole, reducing the difference between the blocking element and the limiting member. The friction between and the energy loss driven by the elastic assembly.
  • the inner surface of the elastic base forms an inner cylindrical hole opposite to the outer surface of the limiting member, and the diameter is larger than the maximum outer diameter of the limiting member.
  • a plurality of radial through holes are uniformly opened in the circumferential direction of the elastic base, and the circle formed by the part of the blocking element protruding into the inner cylindrical hole is smaller than the maximum outer diameter of the limiting member; the arrangement of the plurality of radial through holes and the blocking element ensures elasticity Stable contact between the assembly and the limiter; the radial through hole provides a space for blocking the radial movement of the element and the elastic element.
  • the blocking element is preferably a rigid bead or a rigid cylinder with a curved surface at one end close to the limiting member, and the specific manufacturing material is preferably stainless steel.
  • the structure of the sphere or the arc surface can realize the transitional fit of the inclined surface when it is in contact with the upper stop surface or the lower stop surface of the limiter, and the wear between the parts is small.
  • the elastic element is a spring, one end of the spring directly or indirectly abuts on the inner wall of the lower piston, and the other end abuts against the end of the blocking element close to the inner wall of the lower piston, that is, the outer end.
  • the spring is compressed so that the blocking element partially protrudes into the elastic base. Cylindrical hole.
  • the elastic base is fixedly mounted on the inner cylindrical surface of the lower piston, the outer end of the spring abuts against the inner cylindrical surface of the lower piston, and the other end resists the blocking element away from the inner cylindrical hole, that is, the outer end.
  • the elastic element is preferably an elastic clamp.
  • the elastic clamp may be a split ring.
  • the outer peripheral surface of the elastic base is formed with a circumferential groove recessed inward, the groove is used to receive the elastic clamp, and the radial through hole is opened in the circumferential groove; the elastic clamp installed in the circumferential groove limits the blocking element in the radial direction In the hole.
  • the outer peripheral surface of the elastic base is provided with an axial key groove, and the axial key groove is used for the passage of the liquid pipeline; preferably, the two sides of the key groove of the elastic base extend vertically outwards to form a stop flange on the outer surface of the elastic base.
  • the apertures of the brewing cylinder and the upper and lower pistons may be inconsistent in order to match the number of different beverage powders.
  • a stop elastic base is added between the elastic assembly and the lower piston, and the elastic assembly is indirectly mounted on the inner cavity of the lower piston through the stop elastic base.
  • the stop elastic base may be a hollow cylindrical structure formed by the two halves of the cylinders being joined together.
  • the hollow cylindrical structure is provided with a cavity matching the elastic assembly and accommodating the elastic assembly.
  • the two halves of the cylinder are closed and fixed.
  • the elastic assembly is fixed in the inner cavity of the lower piston.
  • the stopping elastic base restricts the circumferential rolling and axial movement of the elastic assembly.
  • the stopping elastic base is formed by pivotally joining two halves of the cylinder.
  • the pivoting structure is simple and flexible, and the elastic assembly, the stop elastic base and the lower piston are easy to assemble and disassemble.
  • the limiter is rotatably installed on the limiter base; an axial and radial gap is provided between the limiter and the limiter base to ensure that the limiter is in contact with the beverage brewing unit
  • the limiter can rotate adaptively relative to the limiter base; compared to the fixed installation method, when the limiter and the limiter base are combined, some designs are designed
  • the proper clearance enables the limiter to be installed on the limiter base of the frame while maintaining a certain degree of freedom of rotation.
  • the limiter will rotate slightly under the thrust of the elastic assembly. Although the rotation angle is very small, the friction position will change every time it contacts. Because the position of each friction is different from the position of the last friction, so that the blocking element will not be worn to the same position all the time; it has been verified that this can significantly improve the service life of the limiter.
  • a beverage brewing device which includes a frame, an upper piston, a brewing cylinder, a lower piston, and a driving spindle.
  • the piston is directly or indirectly fixed on the frame;
  • the driving spindle is rotatably supported On the frame;
  • the brewing cylinder is installed on the driving spindle, and the lower piston is installed in the brewing cylinder; driven by the driving spindle, the upper piston and the lower piston can close the brewing cylinder to form a brewing chamber;
  • the lower piston The relative movement with the brewing cylinder is provided with upper and lower limit positions; which also includes the above-mentioned top slag resetting assembly of the present invention, and the limit piece base of the top slag resetting assembly is installed at the lower end of the frame.
  • Such a beverage brewing device has simple structure, high reliability and long service life.
  • the upper limit position of the lower piston relative to the brewing cylinder is defined by the flange at the bottom of the lower piston and the limit ring.
  • the hollow cylindrical shaft peripheral surface of the lower piston can also be There is an installation hole for installing a limit buckle, and the limit buckle protrudes from the outer peripheral surface of the lower piston to form a limit flange for resisting the bottom end surface of the brewing cylinder so that the lower piston is in the upper limit position of relative movement with the brewing cylinder , To prevent the lower piston from moving upward from the brewing cylinder.
  • a limit buckle is embedded in the mounting hole to fix the elastic assembly.
  • limit buckles and mounting holes can not only fix the elastic assembly in the inner cavity of the lower piston, but also limit the upper limit position of the lower piston relative to the brewing cylinder.
  • the structure is simple and easy to assemble and disassemble.
  • the limit buckle has Flexible, easy to install and remove from the lower piston.
  • the present invention has the following beneficial effects:
  • the top slag resetting component assembly of the present invention includes a radially movable blocking element and a stopper to cooperate to achieve the stop of the lower piston.
  • the structure is simple, and the blocking element is made of elastic
  • the elastic force of the element is controlled to be compressed or returned to its original state.
  • Such a mechanical structure is better than the compression and return of the flexible material itself, and the wear resistance and working reliability are improved; and the elastic force of the elastic element can be controlled, so that the driving force of the blocking element can be controlled. control.
  • the limiter has upper and lower stop surfaces that can be defined to correspond to the top slag point and the reset point, respectively.
  • the stop surface is a tapered surface that is in tangential contact with the rigid blocking element, and the reliable components are less worn; by adjusting the angle of the tapered surface, Change the driving force of the elastic assembly; and the middle of the stopper body is a curved surface with a concave surface, so that the rigid blocking element can be restored to a certain extent when passing through the stopper body, and the frictional resistance when the elastic assembly passes is reduced, which reduces Drive energy consumption and wear of rigid parts.
  • the limiter is installed on the limiter base of the frame with a certain degree of freedom of rotation.
  • the blocking element contacts the limiter, it can self-adaptively rotate and change the friction position under a certain thrust.
  • the steel ball wears to the same position all the time, which improves the life of the limiter.
  • the stop elastic base formed by the two halves of the cylinder is used to realize the axial and circumferential limit of the elastic assembly. Compared with the traditional fixing methods such as interference fit or screws, the elastic assembly is fixed to the elastic assembly. On the lower piston, the structure is simple and reliable, and the installation is convenient and quick.
  • Figure 1 is an assembly view and an exploded view of the elastic assembly of the first embodiment of the present invention
  • Figure 1A is an assembly view of the elastic assembly
  • Figure 1B is an exploded view of the elastic assembly
  • FIG. 2 is an exploded view and a cross-sectional view of the elastic assembly and the limiting member of the first embodiment
  • FIG. 2A is an exploded view of the elastic assembly and the limiting member
  • FIG. 2B is a cross-sectional view of the elastic assembly and the limiting member
  • FIG. 3 is a schematic diagram of the structure of the elastic base of the elastic assembly in the first embodiment
  • FIG. 4 is a perspective view of the assembly of the elastic assembly, the stop elastic base and the lower piston of the first embodiment
  • Fig. 5 is a cross-sectional view of the brewing device of the coffee machine in the step of filling coffee powder into the brewing cylinder in the first embodiment
  • Figure 6 is a cross-sectional view of the brewing device with a closed brewing chamber during the coffee brewing process
  • Figure 7 is a cross-sectional view of the brewing device that opens the piston under the brewing chamber to start topping the slag;
  • Figure 8 is a cross-sectional view of the brewing device with coffee grounds being pushed out of the brewing cylinder
  • Figure 9 is a cross-sectional view of the steel ball of the elastic assembly being radially displaced through the limiting cam body during the slag discharge process
  • Figure 10 is a cross-sectional view of the brewing device when coffee grounds are completely scraped off by the slag discharging member
  • Figure 11 is a cross-sectional view of the brewing device with the lower piston returning to the ready state
  • Figure 12 is a perspective view of the filling position of the brewing device
  • Figure 13 is an axonometric view of the brewing device's brewing cylinder at the lowest position
  • Figure 14 is a cross-sectional view of the radial displacement of the steel ball in the elastic assembly passing through the limiting cam body;
  • 15A-15C are schematic diagrams of the structure of the second embodiment of the elastic stopper base being expanded and closed;
  • 16 is a schematic diagram of the structure of the limit buckle of the second embodiment
  • 17A-17B are respectively an exploded view and an assembly view of the position-limiting buckle, the stop elastic base and the elastic assembly, and the lower piston of the second embodiment;
  • 18A-18B are schematic diagrams of the assembly of the elastic stop base, the lower piston, and the brewing cylinder of the second embodiment from different perspectives;
  • 19A-19B is a schematic cross-sectional view of the elastic assembly, the limit buckle, and the stop elastic base with the lower piston located at the two extreme positions of the axial movement relative to the brewing cylinder of the second embodiment;
  • 20 is a partial cross-sectional view of the brewing device in which the elastic element is a spring of the third embodiment
  • 21 is an exploded view of the elastic assembly with the elastic element being a spring and a schematic diagram of the lower piston in the third embodiment;
  • FIG. 22 is a cross-sectional view of the brewing device with the blocking element of the fourth embodiment as a cylinder;
  • FIG. 23 is an exploded view of the elastic assembly in which the elastic element is a spring and the blocking element is a cylinder in the fourth embodiment and a schematic diagram of the lower piston;
  • 24 is a schematic diagram of the installation and fixation of the limit cam and the limit cam base of the fifth embodiment that can maintain a certain degree of freedom of rotation;
  • 25 is a schematic diagram and a partial enlarged view of the steel ball of the fifth embodiment not in contact with the stop surface of the limit member at the same time;
  • Figure 26 is a schematic diagram of the wear of the limit cam of the fifth embodiment.
  • the coffee brewing device includes an upper piston 13 held in a frame 14.
  • a brewing cylinder 10 is axially mounted with the upper piston 13, which can move axially relative to the upper piston 13, and the lower piston 8 It is installed in the cylindrical hole of the brewing cylinder 10 and can move relatively axially like the brewing cylinder 10.
  • the relative movement of the lower piston 8 and the brewing cylinder 10 is provided with upper and lower limit positions.
  • the lower piston 8 is provided with a lower limit position component 8a and an upper limit position component 8b.
  • a step surface is formed in the cylindrical hole of the brewing cylinder to define the lower piston 8 is in the cylindrical hole of the brewing cylinder 10, so that when the end surface of the head of the lower piston 8, that is, the lower limit position component 8a, abuts the step surface, it is the lowest position of the lower piston 8 relative to the brewing cylinder 10, that is, the lower limit position.
  • the outer periphery of the bottom end of the lower piston 8 is provided with a flange as an upper limit position component 8b, which is used to prevent the lower piston from being separated from the brewing cylinder cavity upward.
  • the end surface of the bottom end abuts; the brewing cylinder 10 is provided with a threaded part close to the driving screw, the threaded part is meshed with the driving screw 15, and the driving screw 15 is rotatably fixed in the frame 14.
  • the two ends of the driving screw 15 are provided with sleeves 16, and The shaft sleeve is rigidly held in the frame 14.
  • the drive screw 15 can rotate clockwise and counterclockwise by a loaded drive.
  • the drive screw 15 drives the brewing cylinder 10 to move axially up and down during the forward and reverse rotation.
  • the slag discharge member 11 in this embodiment is rotatably fixed on the brewing cylinder 10 around the rotating shaft 11a.
  • the coffee powder channel 12 is rotatably held on the frame 14 around the rotating shaft 12a.
  • the brewing device also includes a limit device installed on the frame 14 and an elastic assembly used with the limit device, which are matched to realize the movement of the lower piston 8 and/or the relative movement of the lower piston 8 and the brewing cylinder 10 Complete the functions of top slag and reset to the position of adding coffee powder, so the two are defined as top slag reset components, where the limit device includes a limit piece made of rigid material and a limit piece base for installing the limit piece.
  • the limiting member is specifically a rigid cam, that is, a limiting cam.
  • the limit cam is divided into two types according to the difference in height. In order to reduce the length and other reasons, the limit cam of this embodiment is the second type of limit cam mentioned in the content of the invention, that is, the one with a smaller height includes an upper stop Limit cam 4 on the upper and lower stop surfaces.
  • the limiter base namely the cam base 5
  • the limit cam 4 is reliably fixed on the cam base 5 by the bolts 7, and the limit cam 4 is connected to the brewing
  • the cylinders 10 are on the same vertical axis.
  • the upper stop surface 4a and the lower stop surface 4b of the limit cam 4 in this embodiment are tapered surfaces.
  • the limiting device is used in conjunction with an elastic assembly.
  • the elastic assembly is shown in FIG. 1A, as shown in FIG.
  • the elastic base 1 is in the shape of a ring, formed with an inner cylindrical hole 1a matching the outer surface of the limit cam 4, and the three radial through holes are all Distributed in the circumferential direction of the elastic base 1, there is a circumferential groove 1d on the outer circumferential surface, the circumferential groove is C-shaped, and the radial through hole opens in the circumferential groove 1d.
  • the diameter of the radial through hole is not less than the diameter of the steel ball 3, so that the steel ball can be
  • the inner end of the through hole can move; the inner end of the radial through hole, that is, the end close to the inner cylindrical hole 1a of the elastic base 1, shrinks in diameter in this embodiment.
  • a snap member can also be provided to make the inner end of each hole slightly smaller than the steel ball 3.
  • the circle is smaller than the maximum outer diameter of the limit cam.
  • the open elastic clamp 2 is located in the circumferential groove 1d. Under the action of the elastic clamp 2, the steel balls 3 are pressed against the inner edge of the hole containing it so that the inner ends of the steel balls 3 radially project into the inner cylindrical hole 1a.
  • the elastic clamp 2 has elasticity. When the inner end of the steel ball 3 is thrust, the steel ball 3 can press against the elastic clamp 2 to make radial elastic displacement outwards as a whole (radial through holes provide space for the elastic clamp and the steel ball to move radially) .
  • the blocking element steel ball 3 can partially conflict with the limit cam 4 during the movement of the lower piston 8 due to the elastic force of the elastic element elastic clamp 2, or the elastic element, that is, the elastic clamp 2 and the limit cam 4 made of rigid material are common Under the action, it can be displaced as a whole in the elastic base 1, so as to block the relative movement of the lower piston and/or the lower piston and the brewing cylinder, realize that the lower piston pushes the coffee residue out of the brewing chamber, and realizes the resetting of the lower piston to the filling cylinder.
  • the coffee powder position realizes the top slag reset function.
  • the specific structure of the limit cam 4 in this embodiment is that the outer edge of the upper end surface of the limit cam 4 is inclined outward to form an inclined upper stop surface 4a, and the outer edge of the lower end surface of the limit cam is inclined upward to form an inclined surface.
  • the lower stop surface 4b; between the upper and lower stop surfaces is the limit cam body; the outer edge of the lower end of the upper stop surface 4a forms a section of upper cylindrical surface 4d downwards, and the outer edge of the lower end of the lower stop surface forms a section of lower cylindrical surface 4e upwards .
  • An inwardly concave curved surface 4c is formed between the upper cylindrical surface and the lower cylindrical surface.
  • the limit cam here can also be a smooth cylinder, a smooth cylinder
  • the upper and lower end surfaces of the body are respectively an upper stop surface and a lower stop surface.
  • the outer peripheral surface at the ends of both ends of the C-shaped circumferential groove of the elastic base 1 is axially provided with key grooves 1c, and the key grooves are used for supplying The liquid pipeline passes through, and the two sides of the key groove 1c extend vertically to project outward and form a stop flange 1b on the outer surface of the elastic base.
  • Fig. 3 combined with Fig. 2 shows a better structure of the elastic base. From top to bottom, there are frustum 1e, first frustum 1f, and second frustum 1g.
  • the first frustum 1e is located above the second frustum 1g and has an outer diameter smaller than that of the second frustum 1g; the frustum 1e is formed on the first frustum 1f Above, the outer diameter of the large end of the truncated cone 1e is equal to the outer diameter of the first circular cone 1f; the elastic base 1 with this structure facilitates the installation of the open elastic clamp 2 and is convenient for installation.
  • the inner surfaces of the frustum 1e, the first circular table 1f, and the second circular table 1g form an inner cylindrical hole 1a opposite to the outer surface of the limiting cam 4.
  • the elastic clamp 2 is located at the junction of the first circular table 1f and the second circular table 1g.
  • the radial through hole penetrates the groove 1d, and the diameter of the radial hole is larger than the dimension of the groove along the axial direction of the elastic base.
  • the elastic base 1 is formed by the intermittently arranged steel ball holder 1h formed on the inner surface of the frustum 1e and the first circular table 1f, the radial spokes 1i, and the cylindrical inner surface of the second circular table 1g to form an inner matching with the outer circumferential surface of the limit cam 4 Cylindrical hole 1a.
  • the elastic assembly is coaxially fixed to the inner cavity of the lower piston 8 through the stop elastic base 6.
  • the stop elastic base 6 has a cavity matching the elastic assembly and accommodating the elastic assembly, as shown in FIGS. 4 and 5 ,
  • the stop elastic base 6 is provided with an annular groove on the inner periphery thereof, opposite to the elastic clamp 2, and provides a space for the elastic clamp 2 to move when the diameter of the elastic clamp 2 increases.
  • the stop flange 1b of the elastic base 1 is fitted into the stop elastic base 6, and the stop flange 1b abuts on the circumferential surface of the groove of the stop elastic base 6 for the passage of the liquid pipe.
  • the elastic assembly can be fixed to the lower piston through the stop elastic base 6 through conventional fixing methods such as screw fixing.
  • the apertures of the brewing cylinder and the upper and lower pistons may be inconsistent in order to match the number of different beverage powders.
  • a certain size of the elastic assembly in order to facilitate the assembly and assembly of the elastic assembly.
  • a stop elastic base 6 is added between the elastic assembly and the lower piston 8, and the elastic assembly is indirectly installed on the inner cavity of the lower piston through the stop elastic base 6.
  • the elastic assembly of the same size can be applied to different beverage machines as long as the stop elastic base 6 is modified.
  • the brewing device in Figure 5 shows the filling position.
  • the brewing cylinder 10 is in the READY position
  • the lower piston 8 is at the lowest position of the brewing cylinder 10
  • the elastic assembly is located under the lower stop surface 4b of the limit cam 4, and the steel ball 3 is in tangential contact with the lower stop surface 4b
  • the lower limit position component 8a of the lower piston 8 abuts the step surface in the hole of the brewing cylinder 10, and closes the lower end of the brewing cylinder 10 to form a brewing cavity for slag discharge
  • the piece 11 is located in the inner position of the brewing cylinder 10, and the coffee powder 9 is fed into the circular hole of the brewing cylinder from the coffee powder channel 12.
  • the drive screw 15 rotates clockwise to drive the brewing cylinder 10 to move upward and axially, which is the fifth movement mentioned in the summary of the invention.
  • the lower piston 8 is in the lower limit position of the relative movement with the brewing cylinder 10.
  • the steel ball 3 on the elastic assembly is radially deflected under the elastic action of the elastic clamp 12
  • the positioner passes through the limit cam 4 and moves upward until the brewing cylinder 10 is closed by the upper piston 13, at which time the coffee powder 9 is compressed by the upper piston 13 to form a sealed brewing cavity to make coffee.
  • the drive screw 15 rotates counterclockwise to drive the brewing cylinder 10 to move axially downwards.
  • the upper piston 13 separates from the brewing cylinder 10 so that the upper end is in an open state.
  • the lower piston 8 and the brewing cylinder 10 At this time, it moves downward axially together, which is the first movement mentioned in the content of the invention, when the steel ball 3 on the elastic assembly at the lower end of the lower piston 8 is in contact with the upper stop surface 4a of the limit cam 4.
  • the brewing cylinder 10 continues to move downwards axially.
  • the frictional force of the relative axial movement of the lower piston 8 and the brewing cylinder 10 is smaller than the resistance on the elastic assembly, that is, the elastic clamp 2 against the steel ball 3, the upper stop surface 4a blocks the steel ball 13 and restricts the lower piston 41 from moving downwards along with the brewing cylinder 43.
  • the second movement mentioned in the content of the invention begins, and the brewing cylinder 10 continues to move towards The lower axis moves, the lower piston and the brewing cylinder produce relative movement, and the coffee powder in the brewing cavity is ejected.
  • the drive screw 15 continues to rotate counterclockwise, the brewing cylinder 10 continues to move axially downward, the lower piston 8 is just at the upper limit position relative to the axial movement of the brewing cylinder 10, and the lower piston 8 The upper limit position of the component abuts against the end surface of the bottom of the brewing cylinder 10, and the upper end of the brewing cylinder is basically flush with the upper end of the piston.
  • the lower piston 8 is driven by the brewing cylinder 10 to move downwards axially and starts a third movement.
  • the steel ball 3 on the elastic assembly gives way in the radial direction (the steel ball 3 on the elastic assembly pushes the elastic card outward along the radial through hole).
  • the hoop 12 gives way in the radial direction), and makes a tangential frictional movement with the limit cam 4 and passes through the body of the limit cam 4 until the steel ball 13 of the elastic assembly moves under the lower stop surface 4b of the limit cam 4.
  • the coffee powder 9 is rotated and scraped from the brewing cylinder 10 by the slag discharging member 11.
  • the top slag discharging action of the brewing device is completed as shown in FIG. 10.
  • the brewing cylinder 10 has moved to the lowest end of the brewing device 4, and the steel ball 13 returns to the initial position under the elastic action of the elastic clamp 12.
  • the drive screw 15 rotates clockwise to drive the brewing cylinder 10 to move upward axially.
  • the lower piston 8 is located at the upper end of the brewing cylinder 10, and the steel ball 3 on the elastic assembly on the lower piston 8 is restricted.
  • the lower stop surface 4b of the cam 4 is restricted.
  • the stop elastic base 6 in this embodiment is a hollow cylindrical structure formed by pivotally joining two halves of cylinders, and the hollow cylindrical structure is provided with There is a cavity that matches the elastic assembly and accommodates the elastic assembly.
  • the pivoting structure is simple and flexible.
  • the way the two halves of the cylinder are closed is not limited to the pivoting structure; as shown in Figures 15A-15C, the better stop elasticity
  • the specific structure of the base 6 is as follows: the two cylinder halves can be rotated relative to each other through the pivoting portion 6g, the upper cylindrical hole 6b and the lower cylindrical hole 6e formed by the two cylinder halves have a cavity 6c for installing the elastic assembly.
  • the cavity 6c is matched with the outer surface of the elastic base 1; the cavity 6c includes an annular groove 6d formed on the peripheral surface of the stop elastic base 6, and the annular groove 6d faces the elastic clamp 2 to provide the Radial displacement space; the bottom end of the upper cylindrical hole 6b and the upper end of the lower cylindrical hole 6e are respectively provided with positioning end faces for positioning the end faces of the elastic base 1.
  • the stop flange 1b of the elastic base abuts on the circumferential surface 6a of the two halves of the cylinder at the groove 6h formed at the place where the two halves of the elastic base 6 are joined together to allow the beverage line to pass through and be elastic.
  • the rolling of the base 1 is restricted.
  • the upper cylindrical hole 6b is upwardly formed with a first step with a diameter larger than the diameter of the upper cylindrical hole 6b.
  • the lower cylindrical hole 6e is downwardly formed with a contour having a diameter larger than the diameter of the lower cylindrical hole 6e.
  • the stop elastic base 6 restricts the circumferential rolling and axial movement of the elastic assembly.
  • the stop elastic base of the structure restricts the stop elastic assembly in the axial and circumferential directions, the structure is simple and reliable, and the installation is convenient and quick.
  • the fixing method of the stop elastic base 6, the elastic assembly and the lower piston 8 is to use the limit buckle 17 to fix.
  • the shape of the limit buckle 17 as shown in Figure 16 includes a buckle part and a connecting buckle part and provides elasticity
  • the connecting part, the limit buckle 17 has elasticity.
  • the stop elastic base 6 has symmetrical mounting holes in the outer circumference, that is, an arc-shaped groove 6f; the position of the arc-shaped groove faces the elastic base 1
  • On the second circular table 1f there are correspondingly two arc-shaped grooves on the peripheral surface of the lower piston, namely the installation hole 8c.
  • the base 6 fixes the elastic assembly.
  • One of the two ends of the limit buckle 17 embedded in the arc-shaped groove is open. Both sides of the bottom circumferential surface of the brewing cylinder 10 are provided with grooves 10b, and the limit buckle 17 passes through the groove.
  • the position-limiting buckle is not limited to the form shown in FIG. 16, for example, the connecting portion may be an arc that fits with the outer circumferential surface of the lower piston, and the buckle portion is embedded in the mounting hole of the lower piston.
  • the limit buckle realizes the detachable and fixed connection of the elastic assembly, the stop elastic base 6 and the lower piston 8, and at the same time can play the role of a limit flange to prevent the lower piston 8 from being detached from the brewing cylinder 10 upwards. Simple structure , Saving parts, reliable fixing and easy to remove the lower piston from the brewing cylinder, a multi-purpose part, simple structure, convenient and flexible operation.
  • the elastic assembly includes an elastic element that is a spring 2', a blocking element that is a steel ball 3, and an elastic base 1'.
  • the elastic base 1' is provided with a blocking element in the circumferential direction.
  • the radial through hole of the steel ball 3 is provided with an axial key groove in the circumferential direction, the bottom end is provided with a flange 1'a, and the flange 1h is embedded in the groove at the lower end of the lower piston 8 to form a stop end surface that prevents the piston from leaving the brewing cylinder ,
  • the elastic assembly is installed in the inner hole of the lower piston 8 by interference installation or by a fixing member.
  • the spring 2' is compressed in a free state, one end abuts against the inner peripheral surface of the lower piston 8, and the other end abuts the steel ball 3.
  • the inner end of the steel ball 3 abuts against the inner end of the radial through hole and radially protrudes from the inner cylindrical hole of the elastic base 1', and the diameter of the inner end of the radial through hole shrinks to prevent the steel ball from falling out of the elastic base 1'.
  • the blocking element is a cylindrical body 3'with an arc at one end, and the cylindrical body 3'is radially movably installed in the radial through hole of the elastic base 1'.
  • One end of the spring 2' abuts against the inner wall of the piston to fix the cylinder 3'in the radial through hole, and the inner end of the cylinder 3'undergoes a radial elastic displacement outward when receiving a thrust.
  • the diameter of the radial through hole is not less than the maximum diameter of the cylinder 3', so that the cylinder 3'can move in the radial through hole;
  • the inner end of the radial through hole (that is, the end close to the inner cylindrical hole) has a diameter shrinkage or a bayonet , So that the inner movement of the cylinder is restricted without coming out of the radial through hole;
  • the elastic assembly is installed in the inner hole of the lower piston 8, the spring 2'is compressed in a free state, and one end abuts against the inner circumferential surface of the lower piston 8, The other end is against the cylinder 3'; under the action of the elastic force of the spring, the inner end of the cylinder 3'abuts against the inner end edge of the radial through hole so that the arc of the cylinder radially protrudes into the inner cylindrical hole of the elastic base 1' In; the radial through hole provides space for the spring 2'and the cylinder 3'to move radially.
  • the elastic assembly and the lower piston can be fixed by conventional fixing methods such as interference fit or screws; the aforementioned limit buckle 17 can also be used for fixing, which is easy to disassemble (not shown in the figure): outer periphery of the elastic assembly Two arc-shaped grooves are provided on the surface symmetrically. The outer peripheral surface of the lower piston is correspondingly provided with arc-shaped grooves.
  • the fixing of the elastic assembly also functions as a limit flange.
  • the limiting device of this embodiment includes a cam base 5, a limiting cam 4, a fixing bolt 7'and a fixing nut 7a, wherein the limiting cam 4 is provided with The upper stop surface 4a, the lower stop surface 4b and the inner hole AH, the cam base 5 is provided with a cylinder AC, a cam positioning surface DF, a bolt positioning surface CF, a nut positioning surface EF, and a bolt mounting hole 5b; a limit cam 4 Coaxially mounted on the cylinder AC of the cam base 5 along the axis R, the lower end face BF of the limit cam 4 coincides with the end face DF on the cam base 5, and the fixing bolt 7'is inserted into the cam from the bolt mounting hole 5b.
  • the pan head end surface FF of the fixing bolt 7'and the bolt positioning surface CF of the cam base 5 are assembled together so as to overlap, and the fixing nut 7a is fixed to the threaded end of the fixing bolt 7'by thread assembly. 7a is installed with the nut positioning surface EF of the cam base 5 overlapping, and the fixing bolt 7'is fixed to the cam base 5. There is a gap between the pan head surface FF of the fixing bolt 7'and the cam positioning surface DF of the cam base 5.
  • the limit cam 4 is installed in this space, the pan head end surface FF of the fixing bolt 7'and the upper end surface AF of the limit cam 22 are provided with a gap 61, the inner hole of the limit cam 22 and the cylinder of the cam base 5 There are gaps 62 between AC, and the limit cam 4 can rotate around the axis R through these set gaps.
  • the limiting device is used in the first embodiment, and the movement of other components is the same as that of the first embodiment.
  • the driving screw 15 rotates counterclockwise to drive the brewing cylinder 10 in the axial direction.
  • the lower piston 8 and the brewing cylinder 10 move downward together.
  • the lower piston 8 can move axially reciprocatingly relative to the brewing cylinder 10 and has upper and lower limit positions.
  • the lower piston 8 is positive At the lower end of the brewing cylinder 10, when the steel ball 3 on the elastic assembly is in contact with the upper stop surface 4a of the limit cam 4, it will give the limit cam 4 a thrust F, because the open elastic clamp 2 pairs the three steel balls The elastic force of the three steel balls is different, so that the three steel balls are not in contact with the stop surface of the limit cam at the same time (as shown in Figure 25).
  • the center of the circle is inconsistent with the center of the cylinder of the cam base 5, so that when the steel ball contacts the limit cam 4, a small amount of torque will be generated on the limit cam 4. This torque will cause the limit cam 4 to rotate in a small range along the axis R, followed by the lower piston 8. Being blocked and stopped moving downwards, the brewing cylinder 10 continues to move downwards until the lower piston 8 is just at the upper limit position of axial movement relative to the brewing cylinder 10 (as shown in FIG. 8).
  • the brewing cylinder continues to move downwards.
  • the lower piston 8 and the brewing cylinder 10 move simultaneously, and the steel ball 3 on the elastic assembly radially pushes the elastic clamp 2 outward along the assembly hole, and the limit cam 4 Make a tangential friction movement until the steel ball 3 of the elastic assembly moves to the lower end of the lower stop surface 4b of the limit cam 4, as mentioned above, because the limit cam 4 and the steel ball 3 have a small range of rotation , This friction movement is not the same position as the previous one.
  • the brewing cylinder 10 has run to the bottom end of the brewing device, the steel ball 3 returns to the initial position under the elastic action of the elastic clamp 2, and the drive screw 15 rotates clockwise again to drive the brewing cylinder 10 axially
  • the steel ball 3 also moves upwards together.
  • the steel ball 3 contacts the lower stop surface 4b of the limit cam 4 and gives the limit cam 4 a thrust F.
  • the limit cam 4 is again under the action of the thrust F.
  • the lower stop surface 4b blocks the steel ball 3 and restricts the lower piston 8 from moving upward along with the brewing cylinder 10.
  • the lower piston 8 is located at the upper end of the brewing cylinder 10, and there is a certain distance from the brewing cylinder 10.
  • the limit cam When the limit cam is assembled with the cam base, there is a certain degree of freedom in the X-axis, Y-axis and Z-axis; the limit cam can move a certain distance in the axial direction, and can rotate freely with a slight external force.
  • the limit cam When the elastic assembly moves in the axial direction and contacts the limit cam, the limit cam will rotate in a small range under the thrust of the elastic assembly. Although the rotation angle is small, it will change the position of friction, which is equivalent to each friction. The position of the friction is different from the last time.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

一种饮料酿造装置的顶渣复位组件，包括弹性组合件、与弹性组合件配套使用的限位装置；限位装置包括限位件（4）和安装限位件（4）的限位件基座（5）；弹性组合件包括弹性基座（1）、弹性元件（2）以及阻拦元件（3）。利用弹性组合件通过限位件的驱动限制，结合弹性元件（2）的弹性可控特性，实现弹性组合件在往下运动和往上运动时，在设定的位置来回切换，在用于全自动饮料机的冲泡器上时，可以实现下活塞（8）的顶渣、复位功能。

Description

一种饮料酿造装置的弹性组合件、顶渣复位组件及其装置 技术领域
本发明涉及饮料制备技术领域，尤其涉及一种饮料酿造装置的顶渣复位组件及其装置。
背景技术
现代饮料生产设备包括茶饮料萃取设备和咖啡萃取设备等，以咖啡萃取设备为例，咖啡萃取或酿造装置的主要部件包括上下活塞与冲泡缸，上下活塞与冲泡缸一道形成冲泡室，冲泡过程中，热水在压力下输送通过咖啡粉形成咖啡饮料，并将该咖啡饮料通过出口管排出。冲泡完成后需要将咖啡残渣排除以便于下一次冲泡。现有技术中一般通过安装在冲泡缸内的下活塞与冲泡缸的相对运动，实现下活塞将咖啡残渣从冲泡室顶出即顶渣、排渣及将下活塞与冲泡缸复位至加咖啡粉的位置即复位，以完成整个冲泡咖啡的过程。现有的一些饮料如咖啡酿造装置迫使冲泡缸内的下活塞与冲泡缸发生相对运动实现上述顶渣复位工艺过程即下活塞将咖啡残渣从冲泡室顶出、及下活塞与冲泡缸复位至加咖啡粉位置。为了完成上述相对运动，下活塞可轴向移动的安装于冲泡缸，下活塞与冲泡缸的相对运动位置设置有上下极限位置，下活塞处于与冲泡缸相对运动的上极限位置时，下活塞上表面与冲泡缸上端口基本齐平完成顶渣；下活塞运动至冲泡缸底端，冲泡缸容积最大时，下活塞处于与冲泡缸相对运动的下极限位置，以便容纳咖啡粉。
其中目前公开的技术中，顶渣复位工艺过程中使得咖啡残渣从冲泡室顶出、下活塞与冲泡缸复位的过程需要迫使冲泡缸内的下活塞停止运动和 /或与冲泡缸发生相对运动，实现这种功能的结构由位于咖啡机酿造装置下活塞内表面的一般由柔性材料制成的可压缩突起与固定于咖啡机酿造装置框架上的限位装置组成。冲泡缸由驱动主轴带动轴向运动时，下活塞内表面的柔性材料制成的可压缩突起与限位装置一起用于下活塞运动阻挡实现下活塞与冲泡缸发生相对运动，完成上述顶渣复位功能。这里将一起发挥顶渣复位功能作用的组件,在现有技术中为下活塞内表面上的柔性可压缩突起与框架上的限位装置,定义为顶渣复位组件，然而上述与限位装置一起阻挡下活塞运动的柔性可压缩突起在与限位装置摩擦接触过程中常存在随着使用时间增长，磨损严重的问题，影响了结构可靠性，降低了部件的工作稳定性和使用寿命，更换部件使得成本增加。
基于以上问题，有必要研发出一款性能可靠稳定、使用寿命长、结构简单、成本相对较低的顶渣复位组件和饮料酿造装置。
发明内容
本发明的目的是针对现有的技术存在上述问题，提供一种结构相对简单、性能可靠、使用寿命更长的饮料酿造装置的顶渣复位组件，及具有该组件的饮料酿造装置。
为实现上述目的，本发明提供的技术方案如下：一种饮料酿造装置的顶渣复位组件，其包括设置位于饮料酿造装置的下活塞内表面上的弹性组合件及配套使用的限位装置；弹性组合件与限位装置匹配用于实现下活塞的阻挡和/或下活塞与冲泡缸的相对运动；其中，所述限位装置包括由刚性材料制成的限位件及安装限位件的限位件基座；所述弹性组合件包括弹性元件、阻拦元件和弹性基座，弹性基座用于将弹性元件和阻拦元件固定 于下活塞内腔内，弹性元件安装于阻拦元件靠近活塞内周面的一端即外端为阻拦元件提供弹力；阻拦元件为刚性材料制成，所述阻拦元件由于弹性元件的弹力作用在下活塞运动过程中能够部分与限位件相抵触,或者弹性元件与刚性材料制成的限位件共同作用下能够在弹性基座内整体位移，从而实现阻挡下活塞和/或下活塞与冲泡缸发生相对运动。由于阻拦元件和所述限位件均为刚性材料制成，防止了相互作用时由于相对位移产生的明显磨损，延长了使用寿命，且不是通过阻拦元件的材料本身变形来实现阻挡下活塞和/或下活塞与冲泡缸发生相对运动，而是让阻拦元件在弹性元件等作用下发生整体位移，整个结构相对简单、性能可靠、使用寿命更长。
具体来讲，弹性组合件其中一个具体实施例可以是：所述弹性基座形成有与所述限位件外周面相匹配的内圆柱孔及至少一个开设于所述弹性基座周向的径向通孔，阻拦元件可径向移动的安装于所述弹性基座的径向通孔内，所述阻拦元件靠近内圆柱孔一端设有弧面部分，所述径向通孔靠近内圆柱孔一端即内端直径收缩或设有卡扣部件使得弹性元件抵住阻拦元件靠近下活塞内壁的一端即外端使阻拦元件弧面部分径向突入所述内圆柱孔中；所述限位件具体对应设为一刚性凸轮，以下称刚性凸轮为限位凸轮,所述限位凸轮的外径与所述弹性基座的内圆柱孔相匹配；其中所述卡扣部件可以为沿径向通孔横截面径向设置的突起，其亦起到使得所述径向通孔靠近内圆柱孔一端即内端直径收缩，使得阻拦元件向内不会脱出弹性基座的效果,当然,卡扣部件也可以其他形式,只要能够卡扣住阻拦元件即可。通过弹性元件对阻拦元件的弹力及所述限位凸轮与阻拦元件之间的作用力来控制阻拦元件的在径向通孔内位置，从而实现阻拦下活塞、下活 塞与冲泡缸之间发生相对位移等功能。阻拦元件内端为弧面使得与限位件过渡接触，减少摩擦和部件磨损。
下面结合饮料机顶渣复位工艺过程具体描述一下工作过程，当萃取完饮料后，冲泡缸携带下活塞一起向下发生第一运动过程中，下活塞一起携带弹性组合件往下运动，此时，冲泡缸、下活塞与弹性组合件运动速度相等。当阻拦元件抵触所述限位件即刚性限位凸轮的上表面即上止动面时开始发生第二运动，此时下活塞和弹性组合件运动由于受到限位件阻挡运动速度降低或者完全停止，但冲泡缸仍继续往下运动，下活塞与冲泡缸产生相对运动。当冲泡缸相对下活塞运动至两者相对位置的上极限位置即下活塞上端面与冲泡缸上端面基本齐平时，在饮料酿造驱动单元持续驱动下，冲泡缸与下活塞一起向下推动使得弹性组合件中所述阻拦元件径向突入所述内圆柱孔内的弧面部分被限位凸轮部分或全部压入径向通孔，阻拦元件实现在弹性元件和限位凸轮的共同作用下实现径向整体位移，实现冲泡缸与下活塞突破限位凸轮的阻碍能够发生第三运动一起继续往下运动。当然，由于在弹性元件的作用下第三运动过程中阻拦元件会与限位件发生摩擦，此时受到的阻力要大于第一运动过程受到的阻力。在冲泡缸与下活塞一起发生的第三运动过程中，由排渣部件完成对位于下活塞上表面的饮料残渣的排除。
后续的运动过程根据限位凸轮形式的不同而不同。这里的限位凸轮根据高度的不同存在两种形式，第一种限位凸轮形式是限位凸轮的高度足够高即冲泡缸、下活塞携带弹性组合件运动到最低点仍未到达限位凸轮的下表面；第二种限位凸轮形式是限位凸轮高度较小，冲泡缸、下活塞携带弹 性组合件先到达限位凸轮的下表面后继续运动才到达最低点，此时限位凸轮可以认为具有两个止动面即限位凸轮的上表面为上止动面，下表面为下止动面。止动面的最大外径即为限位凸轮的最大外径，弹性基座的内圆柱孔直径大于所述限位凸轮最大外径。
对于第一种限位凸轮形式，在冲泡缸与下活塞一起发生的第三运动过程中一直持续到最低点后，阻拦元件径向突入所述内圆柱孔内的弧面部分处于被限位凸轮部分或全部压入径向通孔的状态，此时，冲泡缸、下活塞与弹性组合件已达到最低点处于静止状态，阻拦元件与限位件之间存在摩擦力。当冲泡缸在驱动单元驱动下开始向上运动时发生第四运动，此时下活塞运动由于受到限位凸轮阻挡速度增加较慢或者仍完全停止，但冲泡缸仍比较快速的继续往上运动，下活塞与冲泡缸产生相对运动。对于第二种限位凸轮形式，冲泡缸与下活塞一起发生第三运动通过限位凸轮直至到达限位凸轮的下表面即下止动面下方，此时阻拦元件由于脱离了限位件的阻挡在弹性元件作用力下恢复至原始位置即弧面部分突入所述内圆柱孔内，冲泡缸、下活塞与弹性组合件一直以这种状态运动到最低点，处于静止状态。当冲泡缸开始向上运动，阻拦元件接触限位件即刚性限位凸轮的下表面即下止动面时开始发生第四运动，此时下活塞运动由于受到限位件阻挡运动速度降低或者完全停止，但冲泡缸仍继续往上运动，下活塞与冲泡缸产生相对运动。不管是上述的哪一种限位凸轮形式，当冲泡缸相对下活塞运动至两者相对位置的下极限位置即冲泡缸容积最大时，一般此时为填充粉的位置。对于的第一种限位凸轮形式，填充完成后，之后在饮料酿造驱动单元驱动下，冲泡缸带动下活塞、弹性组合件克服限位凸轮的阻碍能够 发生第五运动一起继续向上运动。对于第二种限位凸轮形式，填充完成后，之后在饮料酿造驱动单元驱动下，冲泡缸与下活塞一起向上推动使得阻拦元件径向突入所述内圆柱孔内的弧面部分被限位凸轮部分或全部压入径向通孔，阻拦元件实现在弹性元件和限位凸轮得作用下实现整体位移，实现冲泡缸与下活塞突破限位凸轮的阻碍能够发生第五运动一起继续往上运动。在冲泡缸带动下活塞、弹性组合件的第五运动过程中，三者通过限位凸轮直至脱离限位凸轮。当阻拦元件脱离限位凸轮时，阻拦元件在弹性元件弹性力作用下恢复至原始位置即阻拦元件弧面部分径向突入所述内圆柱孔内，冲泡缸带动下活塞、弹性组合件一起向上运动与上活塞一起形成冲泡室完成咖啡萃取；萃取饮料完成后，进行下一循环，冲泡缸携带下活塞一起向下发生第一运动。通过弹性组合件与限位装置的配合，完成下活塞将饮料残渣逐步从冲泡腔顶出、或下活塞与冲泡缸复位至加粉位置，弹性组合件与限位装置两者称为顶渣复位组件。此处由于弹性元件的弹性作用，当阻拦元件受到限位件的推力大于弹性元件的弹性力时阻拦元件向外发生径向弹性位移，阻拦元件与弹性元件之间的弹性力通过弹性件的参数得以控制调整；径向通孔直径不小于阻拦元件轮廓最大外径，使得阻拦元件能够在径向通孔内移动。
在一些优选实施方式中，限位凸轮选择上述第二种限位凸轮形式，即包括上止动面和下止动面，优选的，所述上止动面和下止动面为锥形面。锥形面与阻拦元件相切过渡配合接触，这样设置的优点是锥形面与阻拦元件配合，磨损变得更小，且可通过改变锥形面角度改变弹性组合件的驱动力，便于调节控制。
为了提高限位凸轮的使用寿命，减少冲泡缸带动下活塞、弹性组合件发生的上述第三运动或第五运动过程中阻拦元件与限位件之间的摩擦力，优选的，所述限位凸轮的上止动面和下止动面之间部分柱面为凹形曲面。限位凸轮的凹形曲面使得阻拦元件在弹性元件的作用下得到部分或完全恢复即阻拦元件的弧面部分部分或完全径向突入所述内圆柱孔内，减少了阻拦元件与限位件之间的摩擦和弹性组合件驱动的能量损耗。
弹性基座内表面形成与限位件外表面相对的内圆柱孔直径大于所述限位件最大外径。设置多个径向通孔均匀开设于弹性基座周向上，多个阻拦元件突入内圆柱孔部分形成的圆小于限位件最大外径；多个径向通孔和阻拦元件的设置保证了弹性组合件与限位件之间的稳定接触；径向通孔提供阻拦元件与弹性元件径向移动的空间。
这里阻拦元件优选为刚性珠或靠近限位件的一端设有弧面部分的刚性柱体，具体制作材料优选为不锈钢。球体或弧面的结构在与限位件的上止动面或下止动面接触时可实现斜面过渡配合，部件之间磨损小。
在一些实施方式中，弹性元件为弹簧，弹簧一端直接或间接抵触在下活塞内壁上，另一端抵住阻拦元件靠近下活塞内壁的一端即外端，弹簧受压使阻拦元件部分突入弹性基座内圆柱孔中。所述弹性基座固定安装在所述下活塞内圆柱形表面上，弹簧外端抵住下活塞内圆柱形表面，另一端抵住阻拦元件远离所述内圆柱孔一端即外端。
弹性元件在一些实施方式中优选为弹性卡箍，弹性卡箍可为开口环，抵住多个阻拦元件外端使多个阻拦元件抵触在容纳其的径向通孔内端并部分突出所述内圆柱孔。弹性基座外周面形成有向内凹陷的周向凹槽，凹 槽用于接收弹性卡箍，径向通孔开口于周向凹槽中；安装于周向凹槽中的弹性卡箍将阻拦元件限位在径向孔中。弹性基座外周面开有轴向键槽，轴向键槽用于供液体管道通过；优选的，所述弹性基座的键槽两侧垂直面向外延伸突出弹性基座外表面形成有挡止凸缘。
正常情况下，由于饮料机的应用场所等原因，冲泡缸、上下活塞的孔径为了匹配不同的饮料粉数量可能会不一致，在弹性组合件尺寸一定的情况下，为了便于弹性组合件的组装和拆卸，在所述弹性组合件和下活塞之间加设止动弹性基座，通过止动弹性基座将所述弹性组合件间接安装在所述下活塞内腔上。如此弹性组合件尺寸一定的情况下，只要修改止动弹性基座即可实现同一尺寸的弹性组合件适用于不同的饮料机。所述止动弹性基座可以为两半柱体合拢形成的空心圆柱结构，空心圆柱结构中设置有与弹性组合件相匹配并容纳弹性组合件的腔室，通过合拢并固定两半柱体将弹性组合件固定于下活塞内腔。止动弹性基座限制弹性组合件周向滚动和轴向移动，优选的所述止动弹性基座为两半柱体枢接合拢而成。枢接结构简单灵活且弹性组合件、止动弹性基座与下活塞组装拆卸方便。
另外，所述限位件可旋转的安装于所述限位件基座上；限位件与限位件基座之间设有轴向和径向间隙以保证限位件在与饮料酿造单元下活塞上的弹性组合件接触过程中，限位件相对限位件基座可自适应旋转；相比于固定安装的组装方式，将限位件与限位件基座在组合时，设计一些合适的间隙使得限位件保持一定的回转自由度地安装于所述框架的限位件基座上。当弹性组合件在轴向移动与限位件接触时，限位件都会在弹性组合件推力的作用下发生微小旋转，旋转角度虽然很小，但这会发生每次接触 时摩擦位置改变，相当于每次摩擦的都和上次摩擦的位置不一样，这样可以不会被阻拦元件一直磨损同一个位置；经过验证，这能明显提高限位件的使用寿命。
为了实现本发明的目的，提供一种饮料酿造装置，其包括：框架，上活塞、冲泡缸、下活塞、驱动主轴上活塞直接或间接的固定于框架上；驱动主轴以可旋转的方式支撑于框架上；冲泡缸安装于驱动主轴上，下活塞安装于冲泡缸内；在驱动主轴的驱动下，上活塞和下活塞能够将所述冲泡缸关闭以形成冲泡室；下活塞与冲泡缸的相对运动设置有上下极限位置；其中还包括本发明上述的顶渣复位组件，所述顶渣复位组件的限位件基座安装于框架下端。这样的饮料酿造装置结构简单、可靠性高，使用寿命长。
正常情况下,下活塞相对冲泡缸向上移动的极限位置是由设于下活塞底部的凸缘配合限位环限定的,在本发明中,所述下活塞的空心圆柱轴周面上还可以设有安装限位卡扣的安装孔洞，限位卡扣突出所述下活塞外周面部分形成限位凸缘用于抵挡冲泡缸底部端面使得下活塞处于与冲泡缸相对运动的上极限位置，防止下活塞向上脱离冲泡缸。进一步的，限位卡扣嵌入所述安装孔洞固定所述弹性组合件。采用限位卡扣和安装孔洞既能够固定好所述弹性组合件于下活塞内腔中,又可以限定下活塞相对冲泡缸向上移动的极限位置，结构简单易于组装拆卸，限位卡扣具有弹性，便于安装和从下活塞中拆除。
与现有技术相比，本发明具有以下有益效果：
(1)本发明的顶渣复位件组件包括径向可移动的阻拦元件与限位件配合实现下活塞的止动，相比于现有的顶渣复位结构，结构简单，且阻拦元件 由弹性元件弹性力控制被压缩或回复原状态，这样的机械结构较柔性材料本身的压缩和回复原状，耐磨性和工作可靠性提高；且可以通过控制弹性元件的弹力，使得阻拦元件的驱动力可控。
(2)限位件设有上下止动面可定义分别对应顶渣点和复位点，止动面为锥面与刚性阻拦元件相切接触，配合可靠部件磨损小；通过调整锥面的角度，改变弹性组合件的驱动力；且限位件本体中部为带有凹面的曲面，使得刚性阻拦元件在通过限位件本体时得以一定程度的恢复，弹性组合件通过时的摩擦阻力降低，减少了驱动能量消耗和刚性部件磨损。
(3)限位件保持一定回转自由度地安装于所述框架的限位件基座上，在阻拦元件接触限位件时，在一定推力下可自适应旋转改变摩擦位置，可以不会被钢珠一直磨损同一个位置，提高了限位件的寿命。
(4)采用两半柱体形成的止动弹性基座实现对弹性组合件的轴向和周向限位，相比于传统的采用过盈配合或是螺丝等固定方式将弹性组合件固定于下活塞上，结构简单可靠，安装方便快捷。
附图说明
图1是本发明实施例一的弹性组合件的组立图和分解图；图1A是弹性组合件的组立图，图1B为弹性组合件的分解图；
图2是实施例一的弹性组合件与限位件的分解图和剖面图；图2A是弹性组合件与限位件的分解图，图2B是弹性组合件与限位件的剖面图；
图3是实施例一中弹性组合件的弹性基座的结构示意图；
图4是实施例一的弹性组合件与止动弹性基座及下活塞的装配透视图；
图5是实施例一的将咖啡粉刚填充到冲泡缸步骤中的咖啡机酿造装置 的剖面图；
图6是在咖啡酿造过程中具有封闭的冲泡室的酿造装置的剖面图；
图7是打开冲泡室下活塞开始顶渣的酿造装置的剖面图；
图8是咖啡渣被顶出冲泡缸的酿造装置的剖面图；
图9是排渣过程中弹性组合件的钢珠径向移位通过限位凸轮本体的剖面图；
图10是咖啡渣被排渣件完全刮除时的酿造装置的剖面图；
图11是下活塞回到准备状态的酿造装置的剖面图；
图12是酿造装置填充位置的轴测图；
图13是酿造装置冲泡缸处于最低的位置的轴测图；
图14是弹性组合件内的钢珠径向位移通过限位凸轮本体的剖面图；
图15A-15C是实施例二的止动弹性基座展开和合拢的结构示意图；
图16是实施例二的限位卡扣结构示意图；
图17A-图17B分别是实施例二的限位卡扣、止动弹性基座与弹性组合件、下活塞的分解图和装配图；
图18A-18B是实施例二的止动弹性基座与下活塞及冲泡缸不同视角的装配示意图；
图19A-19B是实施例二的下活塞位于相对冲泡缸轴向运动两极限位置处的弹性组合件、限位卡扣、止动弹性基座剖面示意图；
图20是实施例三的弹性元件为弹簧的酿造装置局部剖面图；
图21是实施例三的弹性元件为弹簧的弹性组合件分解图和下活塞示意图；
图22是实施例四的阻拦元件为柱体的酿造装置剖面图；
图23是实施例四的弹性元件为弹簧、阻拦元件为柱体的弹性组合件分解图和下活塞示意图；
图24是实施例五的限位凸轮与限位凸轮基座可保持一定回转自由度的安装固定示意图；
图25是实施例五的钢珠不同时接触限位件止动面的示意图和局部放大图；
图26是实施例五的限位凸轮磨损示意图。
具体实施方式
以下是本发明的具体实施例并结合附图，对本发明的技术方案作进一步的描述，但本发明并不限于这些实施例。
在本发明的描述中，需要理解的是，术语“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了方便描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有的特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
以下实施例介绍咖啡酿造装置中的顶渣复位组件，具体如下：
实施例一
结合图1至14所示，咖啡酿造装置包括保持于框架14中的上活塞13，与上活塞13轴向安装的是冲泡缸10，其可相对于上活塞13轴向移动，下活塞8安装于冲泡缸10的圆柱形孔内，其与冲泡缸10同样可以相对轴向的移动。下活塞8与冲泡缸10的相对运动设置有上下极限位置，下活塞8 设有下极限位置部件8a和上极限位置部件8b，冲泡缸圆柱孔内形成有一台阶面，用于限定下活塞8于冲泡缸10的圆柱孔中，使得当下活塞8头部端面即下极限位置部件8a抵靠该台阶面时即为下活塞8相对冲泡缸10的最低位置即下极限位置。下活塞8底端外周设有凸缘为上极限位置部件8b，用于防止下活塞向上脱离冲泡缸腔，在下活塞相对冲泡缸的最高位置即上极限位置时该凸缘与冲泡缸底端的端面抵靠；冲泡缸10靠近驱动螺杆设置有螺纹部件，螺纹部件与驱动螺杆15啮合，驱动螺杆15可以旋转的固定于框架14中，该驱动螺杆15两端设有轴套16，轴套刚性地保持在框架14中，驱动螺杆15可以通过加载的驱动顺时针和逆时针旋转，驱动螺杆15在正反旋转的过程中，带动冲泡缸10轴向的上下移动。本实施例中的排渣件11围绕旋转轴11a可旋转地固定在冲泡缸10上。咖啡粉通道12围绕旋转轴12a可旋转的保持在框架14上。
酿造装置还包括安装于框架14上的限位装置和与限位装置配套使用的弹性组合件，两者匹配用于实现下活塞8运动阻挡和/或下活塞8与冲泡缸10发生相对运动完成顶渣和复位至加咖啡粉位置的功能，因此将两者定义为顶渣复位组件，其中限位装置包括由刚性材料制成的限位件及安装限位件的限位件基座，限位件具体为刚性凸轮即限位凸轮。限位凸轮根据高度的不同分为两种形式，为了减少篇幅等原因，本实施例的限位凸轮为发明内容部分提及的第二种形式的限位凸轮即高度较小的包括上止动面和下止动面的限位凸轮4。
如图2、图5所示，限位件基座即凸轮基座5保持在框架14的下端，限位凸轮4被螺栓7可靠地固定在凸轮基座5上，限位凸轮4与冲泡缸10 处于同一竖直轴线上。本实施例中的限位凸轮4的上止动面4a和下止动面4b为锥形面。
限位装置与弹性组合件配套使用，弹性组合件如图1A所示，如图1B所示，弹性组合件包括弹性基座1、弹性元件即弹性卡箍2以及阻拦元件即钢珠3。作为一种弹性组合件的优选实施方式，结合图1-3所示，弹性基座1呈环状，形成有与限位凸轮4外表面匹配的内圆柱孔1a，三个径向通孔均布于弹性基座1周向，外周面开有周向凹槽1d，周向凹槽为C形，径向通孔开口于周向凹槽1d，径向通孔直径不小于钢珠3直径，使得钢珠能够在径向通孔内能够移动；径向通孔内端即靠近弹性基座1内圆柱孔1a一端在本实施例里直径收缩，当然也可以设有卡扣部件，使得各孔内端的直径略小于钢珠3直径，使钢珠3不会从弹性基座1内侧脱出；弹性基座1内圆柱孔直径大于限位凸轮4最大外径，3个钢珠突入弹性基座1内圆柱孔部分的最内端组成的圆小于限位凸轮最大外径。开口弹性卡箍2位于周向凹槽1d中，在弹性卡箍2的作用下，使各钢珠3顶着容纳它的孔的内端缘而使各钢珠3内端径向突入内圆柱孔1a中。
弹性卡箍2具有弹性，钢珠3内端在受到推力时钢珠3能够顶着弹性卡箍2整体向外侧发生径向弹性的位移(径向通孔提供弹性卡箍和钢珠径向移动的空间)。
阻拦元件钢珠3由于弹性元件弹性卡箍2的弹力作用在下活塞8运动过程中能够部分与限位凸轮4相抵触,或者在弹性元件即弹性卡箍2与刚性材料制成的限位凸轮4共同作用下能够在弹性基座1内整体位移，从而实现阻挡下活塞和/或下活塞与冲泡缸发生相对运动，实现下活塞将咖啡 残渣从冲泡腔顶出、及实现下活塞复位至加咖啡粉位置即实现顶渣复位功能。利用弹性组合件通过限位凸轮4上的上止动面4a以及下止动面4b的驱动限制，结合弹性卡箍2的弹性可控特性，实现弹性组合件在往下运动和往上运动时，在设定的位置来回切换，实现顶渣、复位功能。
如图2所示，本实施例中的限位凸轮4具体结构为，限位凸轮4上端端面外缘向外倾斜形成倾斜的上止动面4a，限位凸轮下端端面外缘向上倾斜形成倾斜的下止动面4b；上下止动面之间为限位凸轮本体；上止动面4a下端外缘向下形成一段上圆柱面4d，下止动面下端外缘向上形成一段下圆柱面4e。
上圆柱面和下圆柱面之间形成有向内凹的曲面4c，当弹性组合件通过限位凸轮限位件4本体时摩擦减少；当然这里的限位凸轮也可为光滑圆柱体，光滑圆柱体的上下端面分别为上止动面和下止动面。
下面对该实施例的弹性基座1的具体结构进行描述，结合图2A所示，弹性基座1的C形周向凹槽两端终止处的外周面轴向开有键槽1c，键槽用于供液体管道通过，键槽1c两侧垂直面向外延伸突出弹性基座外表面形成有挡止凸缘1b，图3并结合图2示出了弹性基座的一种较优的结构，弹性基座1从上往下依次为锥台1e、第一圆台1f、第二圆台1g，第一圆台1e位于第二圆台1g上方，外径小于第二圆台1g外径；锥台1e形成于第一圆台1f上方，锥台1e大端外径的等于第一圆台1f外径；这样结构的弹性基座1便于开口弹性卡箍2的安装，安装便捷。锥台1e、第一圆台1f、第二圆台1g内表面形成与限位凸轮4外表面相对的内圆柱孔1a。在第一圆台1e底端临接第二圆台1g处形成有周向向外开口的凹槽1d；凹槽在周向 未封闭，凹槽两端止于键槽1c两侧附近，凹槽1d用于接收弹性卡箍2，弹性卡箍2位于第一圆台1f与第二圆台1g的交界处。
在第一圆台1f与第二圆台1g的交界面处径向通孔径向贯穿凹槽1d，径向孔直径大于凹槽沿弹性基座轴向的尺寸。弹性基座1由锥台1e与第一圆台1f内表面上共同形成的间歇设置的钢珠保持座1h和径向辐条1i及第二圆台1g圆柱内表面形成与限位凸轮4外周面配合的内圆柱孔1a。
弹性组合件通过止动弹性基座6同轴的固定于下活塞8内腔，止动弹性基座6具有与弹性组合件匹配且容纳弹性组合件的腔室，结合图4、图5所示，止动弹性基座6内周设有环形槽，与弹性卡箍2相对，提供弹性卡箍2直径增加时移动的空间。弹性基座1的挡止凸缘1b嵌合在止动弹性基座6中，挡止凸缘1b抵靠在止动弹性基座6供液体管道通过的凹槽处的周面上。
可通过常规固定方式如螺丝固定实现弹性组合件通过止动弹性基座6固定于下活塞。
正常情况下，由于饮料机的应用场所等原因，冲泡缸、上下活塞的孔径为了匹配不同的饮料粉数量可能会不一致，在弹性组合件尺寸一定的情况下，为了便于弹性组合件的组装和拆卸，在弹性组合件和下活塞8之间加设止动弹性基座6，通过止动弹性基座6将所述弹性组合件间接安装在所述下活塞内腔上。如此弹性组合件尺寸一定的情况下，只要修改止动弹性基座6即可实现同一尺寸的弹性组合件适用于不同的饮料机。
上面介绍了酿造装置基本的部件，以下通过工作过程描述顶渣复位组件的工作原理。
图5中酿造装置出示了填充位置，此时冲泡缸10处于READY位置，下活塞8处于冲泡缸10的最低位置，弹性组合件位于限位凸轮4的下止动面4b的下面，钢珠3与下止动面4b相切的接触在一起，下活塞8的下极限位置部件8a抵靠冲泡缸10孔内的台阶面，将冲泡缸10下端关闭，形成冲泡腔，排渣件11位于冲泡缸10的里面位置，咖啡粉9从咖啡粉通道12加入冲泡缸的圆孔内。
如图6所示，驱动螺杆15顺时针旋转带动冲泡缸10向上轴向移动即发明内容中所说的第五运动，此时下活塞8的处于与冲泡缸10相对运动的下极限位置，被冲泡缸10带动一起向上轴向移动，因冲泡缸10轴向移动的力值大于弹性组合件上的阻力，弹性组合件上的钢珠3在弹性卡箍12的弹性作用下径向让位以通过限位凸轮4并一直向上移动，直到冲泡缸10的被上活塞13封闭，此时咖啡粉9被上活塞13压紧，形成密封的冲泡腔，制作咖啡。
如图7所示，咖啡制作完成后，驱动螺杆15逆时针旋转，带动冲泡缸10向下轴向移动，上活塞13脱离冲泡缸10使上端处于开放状态，下活塞8与冲泡缸10此时一起向下轴向移动即发明内容中所说的第一运动，当下活塞8下端的弹性组合件上的钢珠3与限位凸轮4的上止动面4a接触。
如图8所示，冲泡缸10继续向下轴向移动，此时因为下活塞8与冲泡缸10的相对轴向运动的摩擦力小于弹性组合件上的阻力即弹性卡箍2对钢珠3的弹性力，上止动面4a将钢珠13挡住而限制下活塞41跟着冲泡缸43一起向下移动此时开始发生发明内容中所说的第二运动，此时冲 泡缸10继续向下轴向移动，下活塞与冲泡缸产生相对运动，冲泡腔内的咖啡粉被顶出。
如图9、图10所示，驱动螺杆15继续逆时针旋转，冲泡缸10继续向下轴向移动，下活塞8刚好处于与冲泡缸10相对轴向移动的上极限位置，下活塞8的上极限位置部件抵靠冲泡缸10底部的端面，冲泡缸上端基本上与活塞上端齐平，此时下活塞8在冲泡缸10的带动一起向下轴向移动开始发生第三运动，因冲泡缸向下轴向移动的力值大于弹性组合件的止动力值，弹性组合件上的钢珠3径向让位(弹性组合件上的钢珠3沿径向通孔向外推动弹性卡箍12径向让位)，与限位凸轮4做相切的摩擦运动通过限位凸轮4的本体，直到弹性组合件的钢珠13移动处于限位凸轮4的下止动面4b的下面，此时咖啡粉9被排渣件11旋转的从冲泡缸10上刮掉，至此，酿造装置的顶渣排渣的动作完成如图10所示位置。冲泡缸10已运行到酿造装置4的最下端，钢珠13在弹性卡箍12的弹性作用下回到初始位置。
如图11所示，驱动螺杆15顺时针旋转，带动冲泡缸10向上轴向移动，此时下活塞8位于冲泡缸10的上端，下活塞8上的弹性组合件上的钢珠3被限位凸轮4的下止动面4b限制，冲泡缸10向上轴向移动即发生第四运动时，下活塞8由于受到限位凸轮4阻挡速度增加较慢或者仍完全停止没有跟着冲泡缸10一起同步移动，但冲泡缸仍比较快速的继续往上运动，下活塞与冲泡缸产生相对运动，当下活塞8的下极限位置部件抵靠冲泡缸10孔内的台阶面时下活塞处于与冲泡缸相对运动的下极限位置，驱动螺杆15停止旋转，冲泡缸10轴向移动停止，咖啡机的酿造装置重新 恢复位于填充位置，该酿造装置的填充、压粉、制作咖啡、顶渣、排渣、下活塞复位整套动作完成。
实施例二
该实施例与实施例一不同在于，如图15A-15C、17A所示，该实施例中的止动弹性基座6为两半柱体枢接合拢形成的空心圆柱结构，空心圆柱结构中设置有与弹性组合件相匹配并容纳弹性组合件的腔室，枢接结构简单灵活，当然两半柱体合拢的方式不限于枢接结构；如图15A-15C所示，较优的止动弹性基座6具体结构为：两半柱体通过枢接部6g可相对转动，两半柱体合拢形成的上段圆柱孔6b和下段圆柱孔6e之间存在安装弹性组合件的腔室6c，腔室6c与弹性基座1外表面匹配；腔室6c包括形成于止动弹性基座6周面上的环形凹槽6d，环形凹槽6d朝向弹性卡箍2，提供弹性卡箍2直径增加时的径向位移空间；上段圆柱孔6b底端和下段圆柱孔6e上端处分别设有定位弹性基座1端面的定位端面。
弹性基座的挡止凸缘1b抵靠在止动弹性基座6的两半柱体合拢处形成的凹槽6h处的两半柱体的周面6a上，共同供饮料管线穿过且弹性基座1的滚动被限制。
上段圆柱孔6b向上形成有直径大于上段圆柱孔6b直径的一级台阶。
下段圆柱孔6e向下形成有直径大于下段圆柱孔6e直径的轮廓。
通过上述止动弹性基座6本身的结构，止动弹性基座6限制弹性组合件周向滚动和轴向移动。通过该结构的止动弹性基座对止动弹性组合件的轴向和周向限位，相比于传统的采用过盈配合或是螺丝等固定方式，结构简单可靠，安装方便快捷。
且止动弹性基座6、弹性组合件与下活塞8的固定方式为采用限位卡扣17固定，限位卡扣17形状如图16所示包括卡扣部和连接卡扣部及提供弹性的连接部，限位卡扣17具有弹性。
如图15A-15B、17A-17B、18A-18B、19A-19B所示，止动弹性基座6外周周向开有对称的安装孔洞即弧形槽6f；弧形槽的位置朝向弹性基座1的第二圆台1f，下活塞周面相应开有两弧形槽即安装孔洞8c，限位卡扣17卡扣部卡嵌于弧形槽并抵住弹性基座1依靠其弹性收紧止动弹性基座6并固定弹性组合件，限位卡扣17嵌入弧形槽中的两端之一为开口状，冲泡缸10底部周面两侧设有槽10b，限位卡扣17穿过槽10b抵靠在冲泡缸10的端面10a起到限位凸缘的作用，限位卡扣17连接部嵌入在止动弹性基座6和下活塞8的底端的两平行凹槽内实现定位。限位卡扣不限于图16所示的形式，如连接部可为与下活塞外周面配合的弧形，卡扣部嵌入到下活塞的安装孔洞。限位卡扣实现了将弹性组合件、止动弹性基座6与下活塞8的可拆固定连接方式，同时可起到限位凸缘的作用防止下活塞8向上脱离冲泡缸10结构简单，节省了零部件，固定可靠且便于将下活塞从冲泡缸拆除，一部件多用途，结构简单，操作便捷灵活。
实施例三
与实施例一不同在于，如图20、21所示，弹性组合件包括弹性元件即弹簧2’、阻拦元件即钢珠3和弹性基座1’，弹性基座1’周向上设有安装阻拦元件钢珠3的径向通孔，周向上开设有轴向键槽，底端设有凸缘1’a，凸缘1h嵌入下活塞8下端的槽中用于形成防止活塞脱离冲泡缸的止动端面，弹性组合件过盈安装或通过固定件安装至下活塞8内孔中，弹簧2’在 自由状态下受压，一端抵靠下活塞8内周面上，另一端抵住钢珠3，在弹簧2’作用下钢珠3内端抵靠径向通孔内端并径向突出弹性基座1’内圆柱孔，径向通孔内端直径收缩防止钢珠从弹性基座1’内部脱出。
实施例四
与实施例三不同，如图22、23所示，阻拦元件为一端为弧面的柱体3’，柱体3’可径向移动的安装于弹性基座1’的径向通孔内，弹簧2’一端抵靠活塞内壁将柱体3’固定在径向通孔内，柱体3’内端在受到推力时向外发生径向弹性的位移。
径向通孔直径不小于柱体3’最大直径,使得柱体3’能够在径向通孔内能够移动；径向通孔内端(即靠近内圆柱孔一端)直径收缩或设有卡口，使得柱体向内侧的运动被限制而不脱出径向通孔；弹性组合件安装至下活塞8内孔，弹簧2’在自由状态下受压，一端抵靠下活塞8内周面上，另一端抵住柱体3’；在弹簧弹性力的作用下，柱体3’内端抵靠在径向通孔内端缘使柱体的弧面径向突入弹性基座1’内圆柱孔中；径向通孔提供弹簧2’和柱体3’径向移动的空间。
弹性组合件与下活塞固定方式可采用常规的固定方式如过盈配合或螺丝实现固定；也可采用前述的限位卡扣17实现固定，拆卸方便(图中未示出)：弹性组合件外周面对称开设有两弧形槽，下活塞外周面相应开有弧形槽，限位卡扣17从两侧卡嵌于两部件的弧形槽内夹紧弹性基座，实现下活塞8与弹性组合件的固定，同时起到限位凸缘的作用。
实施例五
前述的固定安装于凸轮基座上的限位凸轮在与弹性组合件在运动过 程中会产生摩擦，摩擦的过程中无一例外地会产生磨损，因为限位凸轮是刚性固定的，这就导致每次都是在磨损同一位置(如图26所示)，这些磨损无疑会大大降低限位凸轮的使用寿命，除非这些材料是高耐磨的材料，但是高耐磨的材料价格往往是昂贵的。
本实施例通过优化限位凸轮的组合方式，改变限位凸轮与弹性组合件的运行状态，提高限位凸轮的使用寿命。
具体是将限位凸轮4与凸轮基座5在组合时，设计一些合适的间隙以保证限位凸轮有一定的自由度，这样限位凸轮与弹性组合件在运行过程中，能自适应改变每次摩擦的位置，经过验证，这能明显提高限位凸轮的使用寿命。
从附图中可以看出，如图24所示，该实施例的限位装置包含凸轮基座5、限位凸轮4、固定螺栓7’与固定螺母7a，其中，限位凸轮4上设有上止动面4a和下止动面4b以及内孔AH，凸轮基座5上设有圆柱AC、凸轮定位面DF、螺栓定位面CF和螺母定位面EF以及螺栓安装孔5b；限位凸轮4沿轴线R同轴地安装到凸轮基座5的圆柱AC上，限位凸轮4的下端面BF与凸轮基座5上的端面DF重合，固定螺栓7’从螺栓安装孔5b插入式装配到凸轮基座5上，固定螺栓7’的盘头端面FF与凸轮基座5的螺栓定位面CF重合地装配到一起，固定螺母7a以螺纹装配的方式固定到固定螺栓7’的螺纹端，固定螺母7a与凸轮基座5的螺母定位面EF重合的安装，将固定螺栓7’固定到凸轮基座5上，固定螺栓7’的盘头面FF与凸轮基座5的凸轮定位面DF之间有一个空间，限位凸轮4就安装在该空间内，固定螺栓7’的盘头端面FF与限位凸轮22的上端面AF设有间隙61，限位凸轮 22的内孔与凸轮基座5的圆柱AC之间设有间隙62，借着这些设定的间隙，限位凸轮4可以绕轴线R旋转。
采用该限位装置用于实施例一中，其他各部件运动与实施例一种的相同，如图7所示，咖啡冲泡完成后，驱动螺杆15逆时针旋转，带动冲泡缸10轴向的向下移动，此时下活塞8与冲泡缸10一起向下移动，如前所述下活塞8相对于冲泡缸10可以轴向的往复运动并设有上下极限位置，此时下活塞8正处于冲泡缸10的下端，当弹性组合件上的钢珠3与限位凸轮4的上止动面4a接触时，会给限位凸轮4一个推力F，由于开口弹性卡箍2对三个钢珠的弹性力不同，使得三个钢珠不同时与限位凸轮上止动面接触(如图25所示)，三个钢珠部分突入弹性基座1的内圆柱孔内靠近限位凸轮一端形成的圆的圆心与凸轮基座5圆柱的圆心不一致使得钢珠接触限位凸轮4时会对限位凸轮4产生微量的扭矩，这个扭矩会使限位凸轮4沿轴线R小范围旋转，紧接着下活塞8被挡住停止向下移动，冲泡缸10继续向下移动，直到下活塞8刚好处于与冲泡缸10相对轴向移动的上极限位置(如图8所示)。
如图9所示，冲泡缸继续向下移动，此时下活塞8与冲泡缸10同时移动，弹性组合件上的钢珠3径向沿装配孔向外推动弹性卡箍2，与限位凸轮4做相切的摩擦运动，直到弹性组合件的钢珠3移动到限位凸轮4的下止动面4b下端，如前所述，因为限位凸轮4与钢珠3接触时发生了小范围的旋转，这次的摩擦运动与上一次运行不是同一个位置。
如图10所示，冲泡缸10已运行到酿造装置的最下端，钢珠3在弹性卡箍2的弹性作用下回到初始位置，驱动螺杆15再次顺时针旋转，带动 冲泡缸10轴向的向上移动，钢珠3也跟着一起向上移动，此时钢珠3与限位凸轮4的下止动面4b接触而给限位凸轮4一个推力F，限位凸轮4在该推力F的作用下又沿轴线R做旋转运动，下止动面4b将钢珠3挡住而限制下活塞8跟着冲泡缸10一起向上移动，下活塞8处于冲泡缸10的上端，与冲泡缸10存在一段距离的位移空间，冲泡缸10轴向上移时，下活塞8保持静止，冲泡缸10继续上移，直到下活塞8刚好处于与冲泡缸10相对轴向移动的下极限位置(如图11所示)，冲泡缸停止运行，此时，酿造装置完成一次冲泡咖啡的过程，回到装填位置。
限位凸轮与凸轮基座组装时，在X轴、Y轴和Z轴均具有一定自由度；限位凸轮既可以轴向位移一定的距离，同时稍微有外力施加便能自由旋转。
当弹性组合件在轴向移动与限位凸轮接触时，限位凸轮都会在弹性组合件推力的作用下小范围旋转，旋转角度虽然很小，但这会改变摩擦的位置，相当于每次摩擦的都和上次摩擦的位置不一样。
只有每次摩擦同一位置才会导致限位凸轮的加剧磨损，由于本发明每次运行都不是摩擦同一位置，这样便不会在限位凸轮上留下如图26所示的磨损痕迹4f，从而在不增加成本或零件数量的情况下明显提高限位凸轮的使用寿命。
上面阐述的实施例代表允许本领域技术人员实践本发明的必要信息，并且示出实践本发明的最佳方式。一旦根据附图阅读了以上描述，本领域技术人员就将理解本发明的构思并且将认识到此处未特别阐明的这些构 思的应用。应当理解，这些构思和应用落入本发明公开和所附权利要求书的范围。

Claims (30)

  1. 一种饮料酿造装置的顶渣复位组件，其包括设置位于饮料酿造装置的下活塞内表面上的弹性组合件及配套使用的限位装置；弹性组合件与限位装置匹配用于实现下活塞的阻挡和/或下活塞与冲泡缸的相对运动；其特征在于：所述限位装置包括由刚性材料制成的限位件及安装限位件的限位件基座；所述弹性组合件包括弹性元件、阻拦元件和弹性基座，弹性基座用于容纳弹性元件和阻拦元件及将弹性元件和阻拦元件固定于下活塞内腔内，弹性元件安装于阻拦元件靠近下活塞内壁的一端即外端为阻拦元件提供弹力；阻拦元件为刚性材料制成，所述阻拦元件由于弹性元件的弹力作用在下活塞运动过程中能够部分与限位件相抵触,或者所述阻拦元件在弹性元件与刚性材料制成的限位件共同作用下能够在弹性基座内整体位移，从而实现阻挡下活塞和/或下活塞与冲泡缸发生相对运动。
  2. 如权利要求1所述的顶渣复位组件，其特征在于：所述弹性基座形成有与所述限位件外周面相匹配的内圆柱孔及至少一个开设于所述弹性基座周向的径向通孔，阻拦元件可径向移动的安装于所述弹性基座的径向通孔内，所述阻拦元件靠近所述内圆柱孔一端设有弧面部分，所述径向通孔靠近所述内圆柱孔一端设有卡扣部件或直径收缩使得弹性元件抵住阻拦元件靠近下活塞内壁的一端即外端使阻拦元件弧面部分径向突入所述内圆柱孔中。
  3. 如权利要求2所述的顶渣复位组件，其特征在于：限位件为刚性限位凸轮，所述限位凸轮的外径与所述弹性基座的内圆柱孔相匹配。
  4. 如权利要求3所述的顶渣复位组件，其特征在于：所述限位件包括上止动面和下止动面，阻拦元件接触所述限位件的上止动面或下止动面时所 述下活塞轴向运动被阻挡，下活塞与冲泡缸产生相对运动，所述弹性组合件在所述限位件的上止动面和下止动面之间来回切换。
  5. 如权利要求4所述的顶渣复位组件，其特征在于：所述限位件的上止动面和下止动面为锥形面。
  6. 如权利要求5所述的顶渣复位组件，其特征在于：所述限位件的上止动面和下止动面之间为限位件本体，限位件本体外表面为柱面，部分柱面为凹形的曲面。
  7. 如权利要求1或6所述的顶渣复位组件，其特征在于：所述弹性基座内表面形成的内圆柱孔直径大于所述限位件最大外径。
  8. 如权利要求7所述的顶渣复位组件，其特征在于：多个径向通孔均匀开设于弹性基座周向上。
  9. 如权利要求8所述的顶渣复位组件，其特征在于：所述阻拦元件为刚性珠或靠近限位件的一端设有弧面部分的刚性柱体。
  10. 如权利要求9所述的顶渣复位组件，其特征在于：所述弹性元件为弹簧，弹簧一端直接或间接抵触在下活塞内壁上，另一端抵住阻拦元件靠近下活塞内壁的一端即外端使阻拦元件部分突入弹性基座内圆柱孔中。
  11. 如权利要求9所述的顶渣复位组件，其特征在于：所述弹性元件为弹性卡箍。
  12. 如上述权利要求11所述的顶渣复位组件，其特征在于：所述弹性基座外周面形成有向内凹陷的周向凹槽，周向凹槽用于接收弹性卡箍，径向通孔开口于周向凹槽中，安装于周向凹槽中的弹性卡箍将阻拦元件限位在径向通孔中。
  13. 如权利要求10或11所述的顶渣复位组件，其特征在于：在所述弹性基座的周向开有轴向键槽，轴向键槽用于供液体管道通过。
  14. 如权利要求13所述的顶渣复位组件，其特征在于：所述弹性组合件通过止动弹性基座安装在所述下活塞上，所述止动弹性基座为两半柱体合拢形成的空心圆柱结构，通过合拢并固定两半柱体将弹性组合件固定于下活塞内腔中。
  15. 如权利要求14所述的顶渣复位组件，其特征在于：所述止动弹性基座为两半柱体枢接合拢形成的空心圆柱结构。
  16. 如权利要求15所述的顶渣复位组件，其特征在于：所述止动弹性基座具有容纳弹性组合件的腔室，腔室两端为限制所述弹性组合件轴向运动的台阶面，弹性组合件的所述弹性基座的键槽两侧垂直面向外延伸突出弹性组合件的弹性基座外表面形成有挡止凸缘，挡止凸缘抵靠在止动弹性基座的两半柱体合拢形成的凹槽处，共同供液体管道通过。
  17. 如权利要求16所述的顶渣复位组件，其特征在于：所述止动弹性基座内周面开有环形凹槽，环形凹槽与弹性元件相对，用于提供弹性元件径向移动的空间。
  18. 如权利要求17所述的顶渣复位组件，其特征在于：所述两半柱体的周面分别设有限位卡扣安装孔洞，用于与下活塞周面上的限位卡扣安装孔洞相对应使得限位卡扣嵌入所述限位卡扣安装孔洞实现弹性组合件与下活塞的固定。
  19. 如权利要求1所述的顶渣复位组件，其特征在于：所述限位件可旋转的安装于所述限位件基座上。
  20. 一种饮料酿造装置，其包括：框架，上活塞、冲泡缸、下活塞、驱动主轴；上活塞直接或间接的固定于框架上；驱动主轴以可旋转的方式支撑于框架上；冲泡缸安装于驱动主轴上，下活塞安装于冲泡缸内；在驱动主轴的驱动下，上活塞和下活塞能够将所述冲泡缸关闭以形成冲泡室；下活塞与冲泡缸的相对运动设置有上下极限位置；其特征在于：包括上述权利要求1至6、19任一项所述的顶渣复位组件；所述顶渣复位组件的限位件基座安装于所述框架下端。
  21. 如权利要求20所述的饮料酿造装置，其特征在于：所述下活塞的空心圆柱轴周面上设有安装限位卡扣的安装孔洞，限位卡扣突出所述下活塞外周面部分形成限位凸缘用于抵靠冲泡缸的止动端面防止下活塞向上脱离冲泡缸。
  22. 如权利要求21所述的饮料酿造装置，其特征在于：所述限位卡扣嵌入所述安装孔洞固定所述顶渣复位组件的弹性组合件。
  23. 一种饮料酿造装置的弹性组合件，其特征在于：所述弹性组合件包括弹性元件、阻拦元件和弹性基座，弹性基座用于容纳弹性元件和阻拦元件及将弹性元件和阻拦元件固定于饮料酿造装置的下活塞内腔内，弹性元件安装于阻拦元件靠近下活塞内壁的一端即外端为阻拦元件提供弹力；阻拦元件为刚性材料制成，所述阻拦元件由于弹性元件的弹力作用在下活塞运动过程中能够部分与饮料酿造单元的限位件相抵触,或者弹性元件与所述限位件共同作用下能够在弹性基座内整体位移，从而实现阻挡下活塞和/或下活塞与冲泡缸发生相对运动。
  24. 如权利要求23的弹性组合件，其特征在于：所述弹性基座形成有与所 述限位件外周面相匹配的内圆柱孔及至少一个开设于所述弹性基座周向的径向通孔，阻拦元件可径向移动的安装于所述弹性基座的径向通孔内，所述阻拦元件靠近所述内圆柱孔一端为弧面部分，所述径向通孔靠近内圆柱孔一端设有卡扣部件或直径收缩使得弹性元件抵住阻拦元件靠近下活塞内壁的一端即外端使阻拦元件弧面部分径向突入所述内圆柱孔中。
  25. 如权利要求23或24所述的弹性组合件，其特征在于：所述阻拦元件为刚性珠或靠近限位件的一端为弧面的刚性柱体。
  26. 如权利要求25所述的弹性组合件，其特征在于：所述弹性元件为弹性卡箍。
  27. 如权利要求25所述的弹性组合件，其特征在于：所述弹性元件为弹簧。
  28. 如权利要求26所述的弹性组合件，其特征在于：所述弹性基座外周面形成有向内凹陷的周向凹槽，周向凹槽用于接收弹性卡箍，径向通孔开口于周向凹槽中，安装于周向凹槽中的弹性卡箍将阻拦元件限位在径向通孔中。
  29. 如权利要求23或24所述的弹性组合件，其特征在于：在所述弹性基座的周向开有轴向键槽，轴向键槽用于供液体管道通过。
  30. 如权利要求29所述的弹性组合件，其特征在于：所述键槽两侧垂直面向外延伸突出弹性基座外表面形成有挡止凸缘。
PCT/CN2020/110003 2020-04-30 2020-08-19 一种饮料酿造装置的弹性组合件、顶渣复位组件及其装置 WO2021217961A1 (zh)

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EP20932939.0A EP4104719A1 (en) 2020-04-30 2020-08-19 Elastic assembly and top residue reset assembly for beverage brewing apparatus, and apparatus thereof
JP2022552861A JP2023517533A (ja) 2020-04-30 2020-08-19 飲料製造装置の弾性組立体、残渣押し出し及び復帰ユニット、及び飲料製造装置
KR1020227030254A KR20220144817A (ko) 2020-04-30 2020-08-19 음료 양조장치의 탄성 어셈블리, 찌꺼기 추진 및 복원 어셈블리, 및 음료 양조 장치

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EP2567645A1 (de) * 2011-09-09 2013-03-13 BSH Bosch und Siemens Hausgeräte GmbH Elastische Tresterverpressung
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CN103735169A (zh) * 2012-10-17 2014-04-23 苏州工业园区咖乐美电器有限公司 一种咖啡冲泡装置
CN107049025A (zh) * 2017-02-13 2017-08-18 苏州咖博士咖啡系统科技有限公司 一种用于咖啡机的冲煮单元
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CN101683239A (zh) * 2008-09-28 2010-03-31 德昌电机(深圳)有限公司 饮料制作机
EP2567645A1 (de) * 2011-09-09 2013-03-13 BSH Bosch und Siemens Hausgeräte GmbH Elastische Tresterverpressung
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