CN201404081Y

CN201404081Y - Extraction device for preparing extracted hot drinks

Info

Publication number: CN201404081Y
Application number: CN2009201197609U
Authority: CN
Inventors: 景昱东
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-12
Filing date: 2009-05-12
Publication date: 2010-02-17
Anticipated expiration: 2019-05-12

Abstract

The utility model relates to an extraction device for preparing extracted hot drinks, which comprises a frame body with a cavity for containing a packing bag, wherein, a boiler is fixedly arranged atthe upper part of the frame body. The extraction device is characterized in that the extraction device further comprises a boiler support and a pressure plate; the boiler support is fixed below the boiler, and the pressure plate penetrates the lower end surface of the boiler support and can slip up and down relative to the boiler support; an elastic silicon rubber ring is sheathed at the upper part of the pressure plate, and the elastic silicon rubber ring divides a cavity enclosed by the boiler and the boiler support into an upper cavity and a lower cavity; a water outlet channel is communicated with the upper cavity, a connecting channel is formed on the pressure plate, and a one-way valve component is arranged in the pressure plate; and a support spring capable of applying an upward reset force to the elastic silicon rubber ring is arranged in the lower cavity. The device pushes the pressure plate to move by the pushing force of hot water, forms a sealed extraction space in conjunction with a concave cavity and the packing bag and has no need of other auxiliary mechanical driving structures or mechanical locking mechanisms for relatively folding and locking two members for forming the extraction space, thereby simplifying the structure of the extraction device and reducing the manufacturing cost.

Description

The extraction equipment of preparation leaching-type hot beverage

Technical field

The utility model relates to the extraction equipment of the leaching-type hot beverage of a kind of preparation as coffee.

Background technology

The kind of the extraction equipment of the leaching-type beverage of preparation as coffee has much at present, coffee machine is a representative products wherein, the legacy device of coffee machine has generally comprised brew head, water pot, heating element heater and water pump etc., the brew head of coffee machine is by the fixture and the part that covers that can relative this fixture open closed, cover part close up relative under the effect of driving mechanism with fixture, cover part and fixture and form enclosed cavity, when infusing coffee, in enclosed cavity, be placed with the coffee pads that coffee powder is housed, the hot boiling water that boils by coffee machine is got in the chamber of placing coffee pads in the coffee machine with water pump then, coffee powder in the coffee pads is carried out the water clock formula to brew, carrying out the water clock formula when brewing, need to guarantee that the annular seal space that covers part and fixture formation can not leak, event needs to cover part and fixture locks together, brew and to cover part relative fixed part after finishing and open, remove and brew the coffee pads of finishing.

As an application number is a kind of automaton for preparing leaching-type hot beverage the Chinese invention patent automaton of leaching-type hot beverage " preparation " of ZL94194551.0 (notification number is CN1137742Y) has disclosed, it has an assembly that is made of housing, housing and water heater are arranged face-to-face, the two can be close mutually, leach the chamber to constitute, it is mobile that housing has cam mechanism to drive, and have spring that it is resetted.This machine is between its housing and water heater, being positioned at place, leaching chamber has: acceptance is surrounded by the support structure of the independent package bag of soak, be used for packaging bag is positioned between housing and the water heater temporarily, the present invention is applied to the full-automatic preparation of the leaching-type hot beverage of coffee one class.

Be a kind of coffee machine the Chinese utility model patent " a kind of coffee machine " of ZL200420118143.4 (notification number is CN2746853Y) has disclosed also as a patent No., spiral shell is consolidated a upper shell cover above the body of coffee machine is provided, establish an air bleeding valve unit in upper shell cover rear group, upper shell cover the place ahead then sheathed one presses down the unit, one water pipe is communicated with the air bleeding valve unit with its water inlet of last shower nozzle that presses down the unit, with the rotating disk stator rotating disk is positioned on the upper shell cover again, to organize in addition and establish its drawer both sides lug translation of filter element of finishing and be crossed in its groove of upper shell cover, continue and upper casing is located, at last knob is embedded between rotating disk with the blocking part of drawer; According to this, in coffee pads is placed on the filter bowl of filter element, the rotation knob presses down the unit with drive and applies pressure to coffee pads, steam exposes when preventing that coffee pads from brewing, the hot boiling water that utilizes intrinsic power motor to order about again to boil is following the air bleeding valve unit hot boiling water is being dropped on the filter bowl, and coffee pads is therebetween carried out the water clock formula brews all.

The beverage extraction plant of aforementioned two patent disclosures all has mechanical drive unit and locking device to drive its middle shell or cap moves and locks to form the extraction space of sealing, so complex structure.

The utility model content

Technical problem to be solved in the utility model is that a kind of extraction equipment that need not the preparation leaching-type hot beverage of other auxiliary mechanical driving structure and mechanical lock mechanism is provided at above-mentioned prior art present situation, and it has simple and reasonable extraction advantage easily.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of extraction equipment for preparing leaching-type hot beverage, include support body, the support body bottom has the cavity of the packaging bag of being installed in, the bottom surface of cavity has apopore, and support body top is fixed with the boiler that has intake tunnel and exhalant canal; It is characterized in that: also comprise boiler support, platen; Boiler support is fixed on the boiler below, and platen is located on the boiler support lower surface and boiler support slippage up and down relatively, and platen can form the extraction space of sealing sealing when being displaced downwardly to the extraction position; Described platen top be arranged with one with the platen relative fixed and the sealing the flexible silicon cushion rubber, the peripheral spacing junction of this flexible silicon cushion rubber at boiler support and boiler, the flexible silicon cushion rubber is divided into upper chamber and lower chambers with surrounding chamber between boiler and the boiler support, and the periphery of flexible silicon cushion rubber forms sealing in the junction of boiler support and boiler; Described exhalant canal is communicated with upper chamber, has the interface channel that is communicated with upper chamber and extraction space on platen, and is provided with the check valve assembly that the outlet of interface channel lower end is kept enclosed elastic trend in platen; Described bottom chamber is provided with a pair of flexible silicon cushion rubber and produces the upwards support spring of reset force, when platen is displaced downwardly to the extraction position, support spring to the elastic force of flexible silicon cushion rubber less than the shutoff elastic force of check valve assembly to the outlet of interface channel lower end.

Above-mentioned flexible silicon cushion rubber below is provided with spring-leaf retainer, described spring-leaf retainer is set in platen top together in company with the flexible silicon cushion rubber, spring-leaf retainer be shelved on the spacing terrace of platen periphery with flexible silicon cushion rubber lower limit on platen, described support spring upper end is resisted against on the spring-leaf retainer, and lower end abutment is on the lower surface of lower chambers; Screw thread is connected with the nut of flexible silicon cushion rubber upper limit on platen in the platen upper end.It is a kind of with the concrete structure of flexible silicon cushion rubber axial limiting on platen, this position limiting structure is convenient to install, and support spring contacts with the flexible silicon cushion rubber indirectly by spring-leaf retainer, guarantee that support spring can directly not damage the flexible silicon cushion rubber, can also guarantee that support spring is evenly distributed to the elastic thrust of flexible silicon cushion rubber.

Above-mentioned flexible silicon cushion rubber top is provided with packing ring, this packing ring be set in platen top together in company with the flexible silicon cushion rubber and by described nut upper limit on platen.It is for spacing better to prompting silica gel circle that packing ring is set.

Above-mentioned platen has the lower chambers that is communicated with interface channel outlet on it, and the upper chamber that communicates with the interface channel import, and described check valve assembly is arranged on this bottom chamber.When the boiler heated hot water is in exhalant canal flows into upper chamber, hot water can enter in the upper chamber, has increased the space of upper chamber like this, guarantees that hot water flows into the flow of upper chamber.

Above-mentioned check valve assembly comprises valve seat, sealing-plug and spring, wherein, valve seat has the containing cavity of upper end open, the bottom of valve seat has apopore, valve seat is threaded in the bottom chamber of platen, the outlet of interface channel is communicated with this containing cavity on the described platen, and described sealing-plug is arranged on the bottom chamber of platen, and described spring is supported between the bottom surface of sealing-plug and containing cavity so that sealing-plug remains the trend of the outlet that blocks interface channel.This check valve assembly structure is simple in structure and be convenient to be assembled in the platen.

Above-mentioned platen sidepiece has the pressure release passage that is communicated with described extraction space.This pressure release passage is used for pressure release, during use, be provided with a relief valve mechanism at the pressure release passage place, same equal pressure when when machine quits work, having machine works equally between platen and the packaging bag, before stopping, water pump organizes pressure-relief valve structure with the pressure venting by another, if this pressure of venting not, the hot water when platen up withdraws from this coffee capsule cavity will outwards spray far, does not so just have the sense of security.

The bottom of above-mentioned support body is provided with two and embraces folder, the shank of each armful folder is rotating to be set on two columns of support body, the lower surface of embracing folder is shelved on the base plate of support body, the head of each armful folder all has arc-shaped notch, the head of these two armfuls of folders closes up the retaining wall that the rear arc recess is combined to form annular, formation is installed in the cavity of packaging bag between the base plate of this retaining wall and support body, is provided with between the shank of described each armful folder and the column of support body to make a head of embracing folder remain the torsion spring that closes up trend.The curved cavity that is installed in packaging bag that constitutes by two armfuls of folders, be convenient to be installed in packaging bag and will be convenient to take off bag, in the time will carrying out work, put into packaging bag and promote packaging bag from import and move toward the platen center with pushing hands, when packaging bag advances to the folder position of embracing the formation of chuck portion, embrace folder (embrace in the folder torsionspring is housed) about backing down, embrace about packaging bag enters when more than half and be clipped under the torsion spring effect return gradually, thereby when packaging bag enters center under the platen with packaging bag spacing having embrace in the cavity that chuck portion constitutes, after soak in the current packaging bag such as coffee are cooked, the packaging bag of back such as preceding action can be turned down last packaging bag gradually, make its dustbin that comes off into (in this structure movement always can a residual jelly).Therefore dress takes off bag conveniently, and simple in structure.

Above-mentioned packaging bag profile is roughly cylindric, upper and lower end face in the packaging bag is soft and is furnished with a lot of tiny holes, edge sealing around in the packaging bag then is a rigidity, and the lower surface of described platen moves down the back and fits with the upper surface of packaging bag, to form described extraction space with packaging bag.Because extraction space is to be made of edge sealing around platen lower surface and the packaging bag, so low to the sealing requirements of the cavity that is installed in packaging bag, this cavity needs only spacing firmly packaging bag, has simplified the structure that is installed in the packaging bag cavity.If the sealing all around of cavity is better certainly, also can be that the lower surface of platen cooperates the formation extraction space with the upper end open of cavity, can use the packaging bag of nonwoven this moment.

The upper surface of above-mentioned packaging bag has the upwardly extending annular rib of, and annular rib is a rigidity on this, and the lower surface of described packaging bag has the following annular rib of downward extension, and the annular rib of this time is a rigidity.But it is better when annular rib and down annular rib are set by the extraction space closure that constitutes by edge sealing around platen lower surface and the packaging bag.

After the head of two armfuls of above-mentioned folders closed up, the shank of these two armfuls of folders was the angle of an acute angle mutually.Make packaging bag lighter promotion embrace the folder rotation like this, be convenient to the dress bag and take off bag.

Compared with prior art, advantage of the present utility model is, this extraction equipment moves by the thrust promotion platen of hot water, and the extraction space that cooperates the formation sealing to seal with support body bottom cavity and packaging bag, need not other auxiliary mechanical driving structure and mechanical lock mechanism makes two members close up locking relatively to form extraction space, simplify the structure of extraction equipment, reduced manufacturing cost.

Description of drawings

Fig. 1 is the perspective view of the utility model embodiment;

Fig. 2 is the structure cutaway view (state before the extraction) of the utility model embodiment;

Fig. 3 is the A place enlarged drawing of Fig. 3;

Fig. 4 is the structure cutaway view (state during extraction) of the utility model embodiment;

Fig. 5 is that the B-B of Fig. 4 is to cutaway view;

Fig. 6 is the scheme of installation of embracing among the utility model embodiment between folder and the support body;

Fig. 7 is the perspective view of following boiler body among the utility model embodiment.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Be depicted as a preferred embodiment of the present utility model as Fig. 1～7.

A kind of extraction equipment for preparing leaching-type hot beverage, include support body 1, support body 1 has a base plate 11 and is arranged on four upwardly extending columns 12 of 11 4 edges of base plate, rotatingly on relative two columns 12 in the bottom of support body 1 be arranged with two and embrace folder 19, embracing folder 19 is positioned on the base plate 11 of support body, the shank of each armful folder 19 is shelved on the base plate 11 of support body, the head of each armful folder 19 all has arc-shaped notch 191, the head of these two armfuls folders 19 closes up the retaining wall that rear arc recess 191 is combined to form annular, constitute the cavity 3 that is installed in packaging bag between retaining wall that this is annular and the base plate of support body 11, the bottom surface of cavity 3 has apopore 31, being provided with between the shank of described each armful folder 19 and the column 12 of support body makes the head of embracing folder 19 remain the torsion spring 16 that closes up trend, after the head of two armfuls of folders 19 closes up, the shank of these two armfuls folders 19 is the angle of an acute angle mutually, as shown in Figure 5.

Support body 1 top is fixed one and is had exhalant canal 421 boiler 4 is arranged, this boiler 4 is fixed on the top of the column 12 of support body, boiler 4 has last boiler body 42 and following boiler body 41 to constitute, link together by screw between last boiler body 41 and the following boiler body 42, and the junction between last boiler body 41 and following boiler body 42 is provided with sealing ring, shown in Fig. 1,4, have a horizontally disposed intake tunnel 411 on the last boiler body 41, and a horizontally disposed steam channel 412, and in this steam channel 412, be provided with safety relief valve module 413; As shown in Figure 6, the inside of following boiler body 42 is provided with electric heating tube 422, the circulation that the upper surface of following boiler body 42 is provided with the involute shape adds hot flow path 423, described exhalant canal 421 is axially disposed within the shaft core position of boiler body 42 down, and run through the down bottom surface of boiler body 42, the initiating terminal that this circulation adds hot flow path 423 is positioned at a side of boiler body 42 upper surfaces down, and communicate with the delivery port of intake tunnel 411, the destination terminal that circulation adds hot flow path 423 communicates with exhalant canal 421, and there is a recess lower surface of following boiler body 42; And the admission end of steam channel 412 is positioned at the top of intake tunnel 411, the steam output end of steam channel 412 constitutes the sidewall of going up boiler body 41, the water vapour that produces of hot water in circulation adds hot flow path 423 is discharged by steam channel 412 like this, prevents that the boiler internal pressure is excessive and produces potential safety hazard.

This extraction equipment also comprises boiler support 5, platen 6.

Boiler support 5 is fixed on down the below of boiler body 42, and boiler support 5 has the recess that opening makes progress, and the recess on this recess and the following boiler body 42 surrounds the chamber of relative closure.

Platen 6 is located on boiler support 5 lower surfaces and boiler support slippage about in the of 5 relatively, platen 6 tops be arranged with one with platen 6 relative fixed and the sealing flexible silicon cushion rubber 7, this flexible silicon cushion rubber 7 peripheral spacing in the junction of boiler support 5 and following boiler body 42, and the periphery of flexible silicon cushion rubber 7 forms in the junction of boiler support 5 and boiler 4 and seals; Flexible silicon cushion rubber 7 belows are provided with spring-leaf retainer 13, and spring-leaf retainer 13 is set in platen 6 tops together in company with flexible silicon cushion rubber 7, spring-leaf retainer 13 be shelved on the spacing terrace 62 of platen 6 peripheries with flexible silicon cushion rubber 7 lower limit on platen 6; Above flexible silicon cushion rubber 7, be provided with packing ring 15, and platen 6 upper end screw threads are connected with packing ring 15 in company with the nut 14 of flexible silicon cushion rubber 7 upper limits on platen 6 tops.

Flexible silicon cushion rubber 7 will descend to surround chamber between boiler body 42 and the boiler support 5 and be divided into upper chamber 8 and lower chambers 9, exhalant canal 421 is communicated with upper chamber 8, platen 6 has opening upper chamber 64 and downward opening lower chambers 63 up, upper chamber 64 and lower chambers 63 have a bottom jointly, have the interface channel 61 that is communicated with upper chamber 64 and extraction space on this bottom.

Be the safety that guarantees to use, we also are provided with a pressure release passage 65 at the sidepiece of platen 6, guarantee that the hot water in this packaging bag cavity can outwards not spray far when platen 6 up withdrawed from.

In lower chambers 63, be provided with the check valve assembly that the outlet of interface channel 61 lower ends is kept enclosed elastic trend, check valve assembly comprises valve seat 17, sealing-plug 18 and spring 19, wherein, valve seat 17 has the containing cavity 171 of upper end open, the bottom of valve seat 17 has apopore 172, valve seat 17 is threaded in the lower chambers 63 of platen 6, the outlet of interface channel 61 is communicated with this containing cavity 171 on the described platen 6, described sealing-plug 18 is arranged in the lower chambers 63 of platen 6, described spring 19 is supported between the bottom surface of sealing-plug 18 and containing cavity 171 so that sealing-plug 18 remains the trend of the outlet that blocks interface channel 61, is that cambered surface cooperates between the last inwall of the lower chambers 63 of sealing-plug 18 and platen.

In lower chambers 9, be provided with a pair of flexible silicon cushion rubber 7 and produce the upwards support spring 10 of reset force, support spring 10 upper ends are resisted against on the spring-leaf retainer 13, lower end abutment is on the lower surface of lower chambers 9, when platen is displaced downwardly to the extraction position, the elastic force of 10 pairs of flexible silicon cushion rubbers 7 of support spring is less than the shutoff elastic force of check valve assembly to the outlet of interface channel 61 lower ends, and this shutoff elastic force promptly is the shutoff elastic force to the outlet of interface channel 61 lower ends; Be supported with second spring 16 between the upper surface of packing ring 15 and upper chamber 8, promptly the upper end of second spring 16 is resisted against packing ring 15 lower surfaces, and the lower end abutment of second spring 16 is at the following inner bottom surface of platen 6.

Platen 6 can form the extraction space of sealing sealing when boiler support 5 is displaced downwardly to the extraction position relatively.

Packaging bag 2 profiles in the present embodiment are roughly cylindric, upper and lower end face in the packaging bag 2 is soft and is furnished with a lot of tiny holes, edge sealing around in the packaging bag 2 then is a rigidity, the upper surface of packaging bag 2 has the upwardly extending annular rib 21 of, should go up annular rib 21 is rigidity, the lower surface of described packaging bag 2 has the following annular rib 22 of downward extension, and the annular rib 22 of this time is a rigidity.The lower surface of platen 6 moves down the back and fits with the upper surface of packaging bag 2, to form described extraction space with packaging bag 2.

In the packaging bag 2 soak is housed, soak can be coffee powder or other fruit juice powder and analog thereof.

If what packaging bag 2 was adopted is the jelly bag of nonwoven, support body 1 bottom has the then sealing relatively of cavity 3 peripheries of packaging bag of being installed in 2 so, promptly forms extraction space between platen 6 lower surfaces and the cavity 3.

Operation principle and the process of the utility model embodiment are as follows:

Extraction process, the circulation that the intake tunnel 411 that current are pressed into boiler body 41 through water pump flow into down boiler body 42 adds hot flow path 423, electrothermal tube 422 in the following boiler body 42 heats to the current that circulation adds in the hot flow path 423, the exhalant canal 421 that heated hot water enters down boiler body 42 flows in the upper chamber, sealing-plug 18 in the check valve assembly is blocking exhalant canal 421 these closed chamber of formation under spring 19 effects at this moment, thereby the pressure of current forces platen 6 to move down packaging bag 2 on the dieback base plate 11, platen 6 is limited, fit in the upper surface of the lower surface of platen 6 and packaging bag 2, to form described extraction space with packaging bag 2, pressure in the upper chamber 8 rises, when spring 19 pressure under the pressure serious offense sealing-plug 18, sealing-plug 18 is backed down, hot water enters in the packaging bag 2 soak in the packaging bag is extracted, beverage after the extraction just apopore from the base plate 11 of support body 111 flows out, and extraction is finished.

Place the packaging bag process, put into packaging bag 2 and promote packaging bag 2 from import and move toward platen 6 centers with pushing hands, when packaging bag 2 advances to the folder position of embracing the formation of folder 19 heads, embrace folder 19 (embrace in the folder 19 torsionspring 16 is housed) about backing down, about entering when more than half, packaging bag 2 embraces folder 19 return gradually under torsion spring 16 effects, thereby when packaging bag 2 enters center under the platen 6, packaging bag 2 is spacing in the cavity 3 that annular notch 191 formations of embracing folder 19 heads are arranged, after soak in the current packaging bag 2 such as coffee are cooked, the packaging bag 2 as the preceding action of back can be turned down last packaging bag gradually, make its dustbin that comes off into (in this structure movement always can a residual jelly).

Hot water in circulation enters runner 423 produces a large amount of steam, and steam is just discharged by the steam channel on the last boiler body 41 412, and when steam pressure was excessive, the safety relief valve module 413 on the steam channel 412 was opened pressure release.

Claims

1, a kind of extraction equipment for preparing leaching-type hot beverage, include support body (1), support body (1) bottom has the cavity (3) of the packaging bag of being installed in (2), and the bottom surface of cavity has apopore (111), and support body top is fixed with the boiler (4) that has intake tunnel (411) and exhalant canal (421); It is characterized in that:

Also comprise boiler support (5), platen (6); Boiler support (5) is fixed on boiler (4) below, and platen (6) is located on boiler support (5) lower surface and boiler support (5) slippage up and down relatively, and platen (6) can form the extraction space of sealing when being displaced downwardly to the extraction position;

Described platen (6) top be arranged with one with platen (6) relative fixed and the sealing flexible silicon cushion rubber (7), the peripheral spacing junction of this flexible silicon cushion rubber (7) at boiler support (5) and boiler (4), flexible silicon cushion rubber (7) is divided into upper chamber (8) and lower chambers (9) with the chamber that surrounds between boiler and the boiler support, and the periphery of flexible silicon cushion rubber (7) forms sealing in the junction of boiler support (5) and boiler (4);

Described exhalant canal (421) is communicated with upper chamber (8), on platen (6), have the interface channel (61) that is communicated with upper chamber (8) and extraction space, and in platen (6), be provided with the check valve assembly that the outlet of interface channel (61) lower end is kept enclosed elastic trend;

Be provided with a pair of flexible silicon cushion rubber (7) in the described lower chambers (9) and produce the upwards support spring (10) of reset force, be displaced downwardly to extraction during the position at platen, support spring (10) to the elastic force of flexible silicon cushion rubber (7) less than the shutoff elastic force of check valve assembly to the outlet of interface channel (61) lower end.

2, the extraction equipment of preparation leaching-type hot beverage according to claim 1, it is characterized in that: described flexible silicon cushion rubber (7) below is provided with spring-leaf retainer (13), described spring-leaf retainer (13) is set in platen (6) top together in company with flexible silicon cushion rubber (7), the spacing terrace (62) that spring-leaf retainer (13) is shelved on platen (6) periphery go up with flexible silicon cushion rubber (7) lower limit on platen (6), described support spring (10) upper end is resisted against on the spring-leaf retainer (13), and lower end abutment is on boiler support; Screw thread is connected with the nut (14) of flexible silicon cushion rubber (7) upper limit on platen (6) in platen (6) upper end.

3, the extraction equipment of preparation leaching-type hot beverage according to claim 2, it is characterized in that: described flexible silicon cushion rubber (7) top is provided with packing ring (15), this packing ring (15) be set in platen (6) top together in company with flexible silicon cushion rubber (7) and by described nut (14) upper limit on platen (6).

4, the extraction equipment of preparation leaching-type hot beverage according to claim 1, it is characterized in that: described platen (6) has the lower chambers (63) that is communicated with interface channel (61) outlet on it, and the upper chamber (64) that communicates with interface channel (61) import, described check valve assembly is arranged in this lower chambers (64).

5, the extraction equipment of preparation leaching-type hot beverage according to claim 4, it is characterized in that: described check valve assembly comprises valve seat (17), sealing-plug (18) and spring (19), wherein, valve seat (17) has the containing cavity (171) of upper end open, the bottom of valve seat (17) has apopore (172), valve seat (17) is threaded in the lower chambers (63) of platen, the outlet of interface channel on the described platen (61) is communicated with this containing cavity (171), described sealing-plug (18) is arranged in the lower chambers (63) of platen, and described spring (19) is supported between the bottom surface of sealing-plug (18) and containing cavity (171) so that sealing-plug (18) remains the trend of the outlet that blocks interface channel (61).

6, the extraction equipment of preparation leaching-type hot beverage according to claim 1 is characterized in that: described platen (6) sidepiece has the pressure release passage (65) that is communicated with described extraction space.

7, extraction equipment according to the described preparation leaching-type hot beverage of arbitrary claim in the claim 1～6, it is characterized in that: the bottom of described support body (1) is provided with two and embraces folder (19), the shank of each armful folder (19) is rotating to be set on two columns (12) of support body, the lower surface of embracing folder (19) is shelved on the base plate (11) of support body, the head of each armful folder (19) all has arc-shaped notch (191), the head of these two armfuls folders (19) closes up the retaining wall that rear arc recess (191) is combined to form annular, formation is installed in the cavity (3) of packaging bag (2) between the base plate of this retaining wall and support body (11), is provided with between the shank of described each armful folder (19) and the column (12) of support body to make a head of embracing folder (19) remain the torsion spring (16) that closes up trend.

8, the extraction equipment of preparation leaching-type hot beverage according to claim 7, it is characterized in that: described packaging bag (2) profile is roughly cylindric, upper and lower end face in the packaging bag (2) is soft and is furnished with a lot of tiny holes, edge sealing around in the packaging bag (2) then is a rigidity, the lower surface of described platen (6) moves down the back and fits with the upper surface of packaging bag (2), to form described extraction space with packaging bag (2).

9, the extraction equipment of preparation leaching-type hot beverage according to claim 8, it is characterized in that: the upper surface of described packaging bag (2) has the upwardly extending annular rib (21) of, should go up annular rib (21) is rigidity, the lower surface of described packaging bag (2) has the following annular rib (22) of downward extension, and the annular rib of this time (22) is a rigidity.

10, the extraction equipment of preparation leaching-type hot beverage according to claim 7 is characterized in that: after the head of described two armfuls of folders (19) closed up, the shank of these two armfuls folders (19) was the angle of an acute angle mutually.