CN102028408B - Brewing unit of coffee machine - Google Patents

Brewing unit of coffee machine Download PDF

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Publication number
CN102028408B
CN102028408B CN2009101745665A CN200910174566A CN102028408B CN 102028408 B CN102028408 B CN 102028408B CN 2009101745665 A CN2009101745665 A CN 2009101745665A CN 200910174566 A CN200910174566 A CN 200910174566A CN 102028408 B CN102028408 B CN 102028408B
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China
Prior art keywords
brews
brewing
plug
brew
coffee
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CN2009101745665A
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CN102028408A (en
Inventor
朱明德
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TUNBOW GROUP LIMITED
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YOUNG TIGERS R&D Ltd
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Priority to CN2009101745665A priority Critical patent/CN102028408B/en
Publication of CN102028408A publication Critical patent/CN102028408A/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/24Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34Coffee-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
    • A47J31/36Coffee-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
    • A47J31/3604Coffee-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 with a mechanism arranged to move the brewing chamber between loading, infusing and ejecting stations
    • A47J31/3609Loose coffee being employed
    • A47J31/3619Means to remove coffee after brewing

Abstract

A brewing unit of a coffee machine includes a brewing plug part, a brewing base and a buckling subassembly. The brewing plug part comprises a brewing plug and a brewing plug bracket, the brewing plug is located in the brewing plug bracket in a manner of being capable of moving up and down along an axis of the brewing plug; the brewing base is located under the brewing plug bracket and comprises a brewing device, the brewing device can be rotationally arranged to connect or break away from the brewing plug bracket; the buckling subassembly is connected between the brewing plug bracket and the brewing device; when the brewing device is connected with the brewing plug bracket, coffee can be brewed, and the brewing device can be buckled tightly on the brewing plug bracket through the buckling subassembly; and when the brewing device is separated from the brewing plug bracket, the brewing device can be detached from the brewing base. In the brewing unit of the coffee machine, the brewing base and the brewing plug part are separately arranged, and the buckling subassembly is located therebetween, so that the brewing base and the brewing plug bracket are in tightly buckled state while brewing the coffee, the coffee cannot leak out, and the coffee machine can be safely used.

Description

The brewing unit of coffee machine
Technical field
The invention relates to a kind of brewing unit of coffee machine.
Background technology
Have brewing unit in the coffee machine, relevant brewing unit has the seat of brewing, and brews to be provided with the non-removable plug that brews in the seat, promptly brews seat and forms an integral body with brewing plug, and it is inconvenient so to make brewing unit clean.
In addition, relevant brewing unit also has and has brewing seat and brewing plunger member of split setting, brews plunger member and cooperates not closely between the seat with brewing, and coffee tends to from the connection of the two, spill, use inconvenience, and the environment of can making dirty.
In addition, in the relevant brewing unit, it brews seat and brews the two shared motor of plunger member; A motor need drive and brew seat and brew the plug motion, needs more transmission mechanism, makes that so the volume of brewing unit is bigger; Structure is complicated, and then improves manufacturing cost.
Therefore, be necessary to provide a kind of brewing unit of novel coffee machine, to overcome above-mentioned defective.
Summary of the invention
The present invention's purpose is, a kind of brewing unit of coffee machine is provided, and it brews seat and brews plunger member split setting; And between the two, has buckling component; Thereby making to brew seat and brew the plug support is in tightening state when infusing coffee, and coffee can not spill, and is safe in utilization.
Above-mentioned purpose of the present invention can adopt following technical proposal to realize,
A kind of brewing unit of coffee machine, it comprises: brew plunger member, it comprises and brews plug and brew the plug support that the said plug that brews can be arranged on said brewing in the plug support up or down along the axis direction that brews plug; Brew seat, it is positioned at the said below that brews the plug support, and the said seat that brews comprises brewer, and said brewer is rotatable to be provided with, to connect or to break away from the above-mentioned plug support that brews; Buckling component, it is connected said brewing between plug support and the brewer; Said brewer with brew the plug support connection status, can infuse coffee, but and brewer through the buckling component fastening brewing the plug support on.
In preferred embodiment, said buckling component comprises and is arranged on the said recess that brews plug support lower end, and the boss that is arranged on said brewer upper end; In said brewer and the connection status that brews the plug support, said boss is fastened on recesses.
In preferred embodiment, the said plunger member that brews comprises that also brewing Saimaa reaches assembly, and the said Saimaa that brews reaches assembly and is connected and brews on the plug support, and the said plug that brews can move up and down brewing to fill in the support down brewing effect that Saimaa reaches assembly.
In preferred embodiment, the said seat that brews comprises that also brewing a motor sub-assembly waves control piece with brewing, and a said motor sub-assembly that brews waves control piece and can drive brewer and rotate through brewing.
Characteristics of the present invention and advantage are:
1, its brew plunger member and brew the seat be two independently parts, interconnect through buckling component between these two parts, in the process of infusing coffee; Brewer with brew plunger member and interact; Make between two parts fastening each other, coffee can not spill, and is safe in utilization.
2, its to brew plunger member and brew seat be two independently parts, and each parts all has a motor sub-assembly, makes that the structure of brewing unit is comparatively compact, simple to operate.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the decomposing schematic representation of the brewing unit of coffee machine of the present invention;
Fig. 2 is that the master of assembled state of the brewing unit of coffee machine of the present invention looks sketch map (brew this moment plug with brew seat be in the state of disengaging);
Fig. 3 is the schematic rear view (brew this moment plug with brew seat be in the state of disengaging) of assembled state of the brewing unit of coffee machine of the present invention;
Fig. 4 is that the master of assembled state of the brewing unit of coffee machine of the present invention looks generalized section (brew this moment plug with brew seat be in the state of disengaging);
Fig. 5 is that the master of assembled state of the brewing unit of coffee machine of the present invention looks generalized section (omit and brew support this moment, brews plug and brew seat and be in the state of disengaging);
Fig. 6 is the generalized section one (omit and brew support this moment, and brew plug and brew the state that is connected that is in) of assembled state of the brewing unit of coffee machine of the present invention;
Fig. 7 is the generalized section two (omit and brew support this moment, and brew plug and brew the state that is connected that is in) of assembled state of the brewing unit of coffee machine of the present invention;
Fig. 8 is the generalized section three (omit and brew support this moment, and brew plug and brew the state that is connected that is in) of assembled state of the brewing unit of coffee machine of the present invention;
Fig. 9 is that the plug that brews of the present invention decomposes generalized section one with brewer;
Figure 10 is that of the present invention brewing filled in the combination generalized section one that is in connection status with brewer;
Figure 11 is that of the present invention brewing filled in the combination generalized section two that is in connection status with brewer;
Figure 12 is that the plug that brews of the present invention decomposes generalized section two with brewer;
Figure 13 is the structural representation that Saimaa reaches assembly that brews of the present invention;
Figure 14 is the structural representation that brews a motor sub-assembly of the present invention;
Figure 15 is the part decomposing schematic representation of brewing unit of the present invention;
Figure 16 is the sketch map one that plunger member and brewer are in connection status that brews of the present invention, and to show reversing valve assembly, wherein, the mouth A of reversing valve assembly connects pressure valve, and mouthful B connects steam heater, and mouthful C connects evaporimeter, and mouthful D connects and brews plug;
Figure 16 A is the A-A line generalized section along Figure 16;
Figure 17 is the sketch map two that plunger member and brewer are in connection status that brews of the present invention, to show reversing valve assembly;
Figure 17 A is the A-A line generalized section along Figure 17;
Figure 18 is the sketch map that plunger member and brewer are in connection status that brews of the present invention, and this moment, the cap relief valve assembly was in opening state, and wherein, the mouth E of cap relief valve assembly connects steam heater, and a mouthful F is a nozzle, and a mouthful G is a steam vent;
Figure 18 A is that the master that cap relief valve assembly of the present invention is in opening state looks sketch map;
Figure 19 is the sketch map that plunger member and brewer are in connection status that brews of the present invention, and this moment, the cap relief valve assembly was in closure state;
Figure 19 A is that the master that cap relief valve assembly of the present invention is in closure state looks sketch map;
Figure 20 is that the master who brews the plug support of the present invention looks sketch map;
Figure 20 A is that sketch map is looked on a left side that brews the plug support of the present invention;
Figure 21 is that the master of brewer of the present invention looks sketch map;
Figure 21 A is that sketch map is looked on the left side of brewer of the present invention;
Figure 22 A-22C be the present invention in passes during brewing, the boss of brewer with brew the plug support recess engagement process sketch map.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Like Fig. 1 to shown in Figure 15, the brewing unit of the coffee machine that the present invention proposes, it comprises and brews plunger member 1, brews seat 2 and buckling component 3.Brew plunger member 1 and comprise and brew plug 11 and brew plug support 13, brewing plug 11 can be arranged on and brew in the plug support 13 along brew plug 11 axis direction up or down.Brew seat 2 and be positioned at the below that brews plug support 13, the said seat 2 that brews comprises brewer 21, and brewer 21 rotatable settings are to connect or to break away from the above-mentioned plug support 13 that brews.Buckling component 3 is connected and brews between plug support 13 and the brewer 21.In brewer 21 and the connection status that brews plug support 13, can infuse coffee, and this moment, but brewer 21 is brewing on the plug support 13 through buckling component 3 fastenings.
The embodiment of the invention in use, at first brewer 21 with brew plug support 13 and be in disengaged position, this moment, the opening of brewer 21 exposed, and can put into the coffee powder that comes out from the coffee grinder grinding in the brewer 21; Then brewer 21 turns an angle, and brews plug support 13 with aligning, makes brewer 21 and brew plug support 13 to be in connection status; Then brew plug 11 and move down, hot water gets into brewer 21 to infuse coffee through brewing plug 11, treats that coffee brewing finishes; Brew plug 11 reinstatement that move up, brewer 21 revolution certain angles make brewer 21 fill in support 13 and be in disengaged position with brewing; Brewer 21 can take apart from brew seat 2, the convenient cleaning.
In the embodiment of the invention; Brewing plunger member 1 is two individual components that branch is arranged with brewing seat 2, and between the two, has buckling component, thereby making to brew seat 2 and brew plug support 13 is in tightening state when infusing coffee; Coffee can not spill, and is safe in utilization.
According to one embodiment of present invention, cooperate shown in Figure 20,20A and Figure 21, the 21A, said buckling component 3 comprises and is arranged on the recess 31 that brews plug support 13 lower ends, and the boss 32 that is arranged on brewer 21 upper ends; In brewer 21 and the connection status that brews plug support 13, said boss 32 is embedded in recess 31 places, and fastens each other with recess 31; And in the process of infusing coffee, boss 32 can be in tightening state with recess 31.Furthermore; Brew the direction of rotating along brewer 21 on the plug support 13 and be provided with recess 31; Boss 32 is along with the rotation of brewer 21 then can embed recess 31 places; In the process of infusing coffee, because brewer 21 and the interaction force that brews plunger member 1 make boss 32 and recess 31 be in tightening state.
In another embodiment of the present invention, the position of recess and boss can exchange, and for example recess is formed on the upper end of brewer, and boss is formed on the lower end that brews the plug support, has above-mentioned fastening effect equally.
According to one embodiment of present invention; The said plug support 13 that brews comprises support stator 131; Support stator 131 is fixed on the product shelves 4; Brew plug support 13 and be connected with support stator 131 through spring 132, brew plug support 13 under external force through spring 132 and with the distance elongation or the shortening of support stator 131.
According to one embodiment of present invention; The said plunger member 1 that brews comprises that also brewing Saimaa reaches assembly 12; Brew Saimaa and reach assembly 12 and be connected and brew on the plug support 13, brew plug 11 and can move up and down brewing to fill in the support 13 down brewing effect that Saimaa reaches assembly 12.
Cooperate shown in Figure 13; Said brew Saimaa reach assembly 12 comprise brew that Saimaa reaches 121, driving member and drive nut 122; Drive nut 122 is arranged on and brews in the plug support 13; Brew plug 11 and can be connected in the drive nut 122, brew Saimaa and reach 121, move up and down thereby drive brews plug 11 through 122 rotations of driving member drive drive nut.Specifically be that driving member comprises and intermeshingly brews plug worm screw 123 and brew plug worm gear 124, brews plug worm gear 124 and drive nut 122 engagements; The outside that brews plug 11 is a helicitic texture; Brewing Saimaa reaches 121 and drives and to brew plug worm screw 123 and rotate; And drive drive nut 122 clockwise or rotate counterclockwise through brewing plug worm gear 124; Because drive nut 122 is fixing in the axial direction, therefore brewing plug 11 can move up or down along drive nut 122.
The bottom that brews plug 11 is provided with out the network of rivers 111, and hot water finally gets into brewer 21 from going out the network of rivers 111.
According to one embodiment of present invention, brew plunger member 1 and comprise reversing valve assembly 15, reversing valve assembly 15 is arranged on the product shelves 4, and with brew the plug support 13 contact.Brewing Saimaa and reach under 121 the effect along drive nut 122 and be moved downward to when being pressed onto coffee powder when brewing plug 11; Producing reaction force will brew plug support 13 and be moved upward to and push reversing valve assembly 15 (shown in Figure 17,17A) open; Make the reversal valve conducting; Hot water (like the hot water that is come through evaporimeter by high-pressure hydraulic pump) just can get into brewer 21 through brewing plug 11, to infuse coffee; Descend if brew plug support 13, reversing valve assembly 15 loses the thrust then closed (shown in Figure 16,16A) that brews plug support 13.
The said plunger member 1 that brews also comprises cap relief valve assembly 14, and cap relief valve assembly 14 is arranged on the product shelves 4, and corresponding with the top that brews plug 11.When coffee machine need be made milk making bubble function; Brewing plug 11 reaches under 121 the effect and is moved upwards up to certain position along drive nut 122 brewing Saimaa; Brewing plug 11 pushes cap relief valve assembly 14 open; Make cap relief valve conducting (referring to shown in Figure 180), steam (steam that is for example come through the evaporimeter pump by high-pressure hydraulic pump) is made the usefulness of milk making bubble through 14 outputs of cap relief valve assembly; Brew the thrust that plug 11 provides if cap relief valve loses, cap relief valve is in closed condition (referring to shown in Figure 19).
According to one embodiment of present invention, brew seat 2 and can comprise that also brewing a motor sub-assembly 22 waves control piece 26 with brewing, brew a motor sub-assembly 22 and wave control piece 26 and can drive brewer 21 and rotate through brewing.Brewing seat 2 further can comprise and brew support 23; Brewer 21 is removably disposed in and brews in the support 23; Brew a motor sub-assembly 22 and wave control piece 26 and be successively set on a side that brews support 23, under the effect that brews a motor sub-assembly 22, brew and wave control piece 26 and rotate with brewing; And can drive and brew support 23 and rotates together with brewer 21, so that connecting or break away to brew, brewer 21 fills in support 13; Brew support 23 with brew the plug support 13 be connected.
Cooperate shown in Figure 14ly, the said motor sub-assembly 22 that brews comprises and brews motor 221 and transmission group component, and the said motor 221 that brews drives to brew through the transmission group component and waves control piece 26 and above-mentioned transmission component action.Said transmission group component comprise brew a worm screw 222, brew a worm gear 223, drive pinion and transmission gear wheel 224.The said motor 221 that brews is fixedly connected with brewing a worm screw 222, brews a worm screw 222 with drive and rotates.Saidly brew a snail 222 and brew a worm gear 223 and be meshed; The a said worm gear 223 coaxial drive pinions that fixedly install that brew are meshed with transmission gear wheel 224; The rotation that promptly brews a worm screw 222 drives the worm gear 223 that brews that is engaged with and rotates, and the rotation that brews worm gear 223 drives the transmission gear wheel 224 that is engaged with through drive pinion again and rotates.Said transmission gear wheel 224 waves control piece 26 coaxial settings with said brewing, and upwards is fixedly connected in week; In other words; Brew seat and wave the power transmission shaft that transmission gear wheel 224 is passed at the center of control piece 26, the side that brews support 23 successively; Brew seat and wave between control piece 26 and the power transmission shaft and can be connected, wave control piece 26 and transmission gear wheel 224 coaxial rotation so that brew seat through the element of for example key and so on.
Brewing seat waves control piece 26 and is provided with at least one rotation drag hook 261 near the surface of brewer 21.Wave control piece 26 when rotating when brewing seat; Its rotation drag hook 261 is being with and is being brewed support 23 and can rotate an angle along rotary spacing groove 28 together with brewer 21; After touching the corner switch 27 that brews on the seat 2, stop operating; This moment, brewer 21 connections brewed plug support 13, were in infusion position; Wave control piece 26 backward rotation when brewing seat, brewer 21 is broken away from brew plug support 13, brewer 21 is in and connects the powder position.Brew a lateral surface that waves control piece 26 and be provided with flange 262.
According to one embodiment of present invention, cooperate Fig. 4 to shown in Figure 9, brewer 21 comprises and brews net 211, brew chamber 212 and transmission component.Brewing net 211 top is brew chamber 212, and the below that brews net 211 is provided with transmission component, and transmission component can drive and brew net 211 and move up and down.
Particularly; Transmission component comprises gear assembly 213 and coffee powder push pedal seat 214; Coffee powder push pedal seat 214 is connected the both sides of gear assembly 213, and the inboard of coffee powder push pedal seat 214 is provided with the tooth 2141 with gear assembly 213 engagements, brews the upper end that net 211 is connected coffee powder push pedal seat 214.Brew a motor sub-assembly 22 driven gear assemblies 213 and rotate, the tooth of gear assembly 213 matches with the tooth 2141 of coffee powder push pedal seat 214, and the rotation of gear assembly 213 drives coffee powder push pedal seat 214 and moves up and down, and brews net 211 and moves up and down thereupon.Herein; Gear assembly 213 comprises the gear wheel 2131 of an axial restraint; The top of gear wheel 2131 is connected with first, second and third pinion 2132,2133,2134 of axial restraint in turn; Second pinion 2133 meshes with the tooth of the coffee powder push pedal seat 214 in left side, and third pinion 2314 meshes with the tooth of the coffee powder push pedal seat 214 on right side; The power transmission shaft of above-mentioned transmission gear wheel 224 passes the center of gear wheel 2131, when transmission gear wheel 224 rotates, can drive gear wheel 2131 coaxial synchronous rotations.
Wherein, the below that brews net 211 is connected with coffee powder push pedal 215 and coffee powder push pedal connecting rod 216 in turn, and coffee powder push pedal connecting rod 216 is connected the top of coffee powder push pedal seat 214.When coffee powder push pedal seat 214 moves up and down, drive coffee powder push pedals 215 and brew net 211 and move up and down together through coffee powder push pedal connecting rod 216.After coffee brewing finishes, and the coffee grounds in the brew chamber 212 is pressed dry into the coffee cake, can coffee powder push pedal seat 214 be promoted, make to brew the upper end that net 211 rises to brewer 21, the coffee cake is eliminated easily, easy to use, cooperate shown in Figure 5.
The both sides, bottom of coffee powder push pedal 215 are respectively equipped with discharging valve 217 and pressure retaining valve 218.Discharging valve 217 and pressure retaining valve 218 mutual conduction, and pressure retaining valve 218 is communicated with coffee faucet 219; Pressure retaining valve 218 is in unlatching or closed condition through the variation of the hydraulic pressure in the brew chamber 212; Discharging valve 217 is in through moving up and down of coffee powder push pedal 215 to be opened or closed condition.Infuse coffee by brewing plug 11 entering brew chamber 212 when water, when brew chamber 212 interior hydraulic pressure were elevated to certain value, pressure retaining valve 218 was opened, and coffee is then through pressure retaining valve 218 and 219 outflows of coffee faucet (shown in the arrow of cooperation Figure 10).When coffee powder push pedal 215 rises to certain position, can push up discharging valve 217 (cooperating shown in Figure 11), thereby discharging valve 217 is pushed open, so that the moisture content in the coffee grounds is discharged through coffee faucet 219 from discharging valve 217.
According to one embodiment of present invention; Brew seat 2 and also comprise draining valve assembly 24, it is arranged on the product shelves 4, and support 23 is corresponding with brewing; Draining valve assembly 24 has two outlets; Outlet is the coffee outlet, and another outlet is the surplus water outlet, and said coffee outlet and surplus water export all through sebific duct etc. and be connected coffee faucet 219.The coffee that flows out through pressure retaining valve 218 is discharged to outside the coffee machine from the coffee outlet through coffee faucet 219, drinks for the user; The surplus water that flows out through discharging valve 217 flows to a backwater box (be the coffee cup pallet, when coffee cup is put into, do not can be used for the coffee that Sheng Zaiyu leaks, the backwater box does not show in the drawings) through coffee faucet 219 from the surplus water outlet.Whether two outlets of draining valve assembly 24 can be supported through the top that brews the flange 262 that waves control piece 26 and switch.When coffee powder push pedal 215 upwards moves the time of opening discharging valve 217 because of brewing a motor sub-assembly 22 effect, brew and wave control piece 26 and also see through and brew a motor sub-assembly 22 effects and trigger draining valves, the outlet of draining valve is switched to the backwater box by the coffee outlet.The valve port of draining valve assembly 24 is positioned at below one side of brew chamber 212.In other words, draining valve assembly 24 is used to control the unnecessary water or the coffee that come out from brewer 21, and they are discharged to backwater box or coffee outlet (if unnecessary water will be controlled and be discharged to the backwater box, the words of coffee will be discharged to the coffee outlet in this way).
According to one embodiment of present invention, brew plunger member 1 and brew seat and be provided with a buckling component between 2, buckling component specifically can be arranged on brewer 21 and fill between the support 13 with brewing.In brewer 21 and the connection status that brews plug support 13,, said brewer 21 fills on the support 13 but being connected in to brew through buckling component fastening ground.
Particularly, when brewer 21 with brew plug support 13 when being connected, in carrying out passes during brewing; Because brew the coffee powder that plug 11 presses down brew chamber 212, therefore, brewer 21 has downforce; Has upward pressure and brew plug support 13; Therefore form a tightening state between the two contact-making surface, and then make 21 of brewer can not move with respect to brewing plug support 13, thus the security that improves coffee brewing.
The operating process that the embodiment of the invention is infused coffee is following:
Extremely shown in Figure 5 with reference to Fig. 2; At first; Brew seat 2 and brew plunger member 1 and be in disengaged position (promptly brew support 23 and be in the initial position that connects powder) with brewer 21; Coffee powder push pedal 215 in the brewer 21 is in extreme lower position, brews plug 11 and is in initial zero-bit height, this moment coffee powder is put into the brew chamber 212 of brewer 21; Behind an amount of coffee powder of packing into, drive and to brew a motor sub-assembly 22, brew a motor sub-assembly 22 and drive and brew support 23 and brewer 21 together along rotary spacing groove turn an angle (for example 31.5 degree) through brewing the rotation drag hook 261 that waves on the control piece 26; Until brew support 23 touch brew the seat corner switch 27 after; Brew a motor sub-assembly 22 and brew support 23 and stop operating and (in this step, brew a motor sub-assembly 22 and rotate, though the gear assemblies 213 that its transmission gear wheel 224 can drive in the brew chamber 212 rotate; But owing to the angle that brews support 23 rotations is less; Brew motor sub-assembly 22 and stop operating soon, so gear assembly 213 rotational angles are little, the coffee powder push pedal 215 in the brew chamber 212 also almost is still to be in extreme lower position); Brew the flange 262 that waves on the control piece 26 and just in time draining valve assembly 24 is backed down this moment; Current are switched to coffee outlet from the backwater box, and the boss 32 of brewer 21 is fastened on the recess 31 that brews plug support 13, the below of boss 32 has clearance G (cooperating shown in Figure 22 A) with recess 31; At this moment brewer 21 is in infusion position, and is as shown in Figure 6.
Cooperate shown in Figure 7ly, reach under the effect of assembly 12 brewing Saimaa, brew plug 11 and move down to carry out press-powder (cooperating shown in Figure 22 B); When brewing plug 11 bottoms when compressing coffee powder, brew the reaction that plug 11 receives coffee powder pressure, drive to brew on the plug support 13 and move a segment distance (for example 2 millimeters); At this moment, spring 132 is compressed, and dwindles the elastic floating shift length and (cooperates Figure 16 and shown in Figure 17; Its show respectively the elastic floating shift length dwindle before with dwindle after state); The gap of boss 32 belows and recess 31 disappears (cooperating shown in Figure 22 C), brewer 21 with brew the pressure of plug support 13 tensions when brewing to bear, make to brew mutual fastening between plug support 13 and the brewer 21; After brewing plug support 13 touching coffee powder pressure switch 25, brew plug 11 and stop to press down.
On brewing plug support 13, move past in the journey, trigger reversing valve core, connect evaporator assemblies and the water route that brews plug 11; This moment, hot water just was pumped into reversing valve assembly 15 by high-pressure hydraulic pump through evaporimeter, got into brew chamber 212 via brewing plug 11 then, when hot water soaked the coffee powder of warp extruding; Coffee just under high pressure produces (general 8-12 BAR), and the hydraulic pressure in brew chamber 212 is elevated to certain value, and pressure retaining valve 218 is washed open; Coffee then gets into pressure retaining valve 218; And, flow to the coffee outlet through draining valve assembly 24 from 219 outflows of coffee faucet, drink for the user; Along with the coffee in the brew chamber 212 reduces to a certain amount of gradually, pressure retaining valve 218 loses enough hydraulic pressure and cuts out, and coffee then no longer flows out from pressure retaining valve 218.
Finish when brewing; Brewing a motor sub-assembly 22 rotates; The gear assembly 213 that drives in the brew chamber 212 rotates, and coffee powder push pedal seat 214 drives in the coffee powder push pedal 215 and moves (for example rising 3 millimeters), and discharging valve 217 is pushed in coffee powder push pedal 215 open; Coffee grounds further receives the extruding that brews plug 11, and the surplus water in the coffee grounds is squeezed into discharging valve 217; Because brewing a motor sub-assembly 22 rotates to drive simultaneously to brew and waves control piece 26 and rotate; Its flange 262 just in time loosens draining valve assembly 24 by backing down to become; Make the outlet of draining valve assembly 24 switch to the backwater box, so the surplus water that discharging valve 217 flows out then flow out to the backwater box from coffee faucet 219 through draining valve assembly 24 from the coffee outlet.In this step, owing to brew support 23 and still contacting corner switch 27, therefore brew support 23 and can not brewed and wave control piece 26 and be with and rotate.
Moisture content in coffee grounds is squeezed into and is coffee cake (can judge whether its moisture content is pressed dry by the induction motor electric current); Brew Saimaa and reach assembly 12 revolutions; Brew plug 11 to rising after touching zero-bit switch 17; Brew Saimaa and reach assembly 12 and shut down, brew plug 11 and stop to rise, brew plug 11 this moment and recover back the zero-bit height.Rise owing to brew plug 11, do not press down the coffee cake again, therefore brew plug support 13 and move down homing.
Cooperate shown in Figure 8ly, brew a motor sub-assembly 22 running, drive through gear assembly 213 and coffee powder push pedal seat 214 and move in the coffee powder push pedals 215 further, so convenient coffee cakes in the brew chamber 212 are removed to eject brew chamber 212.
Brew a motor 221 counter-rotating, drive and brew support 23 and forwarded to by infusion position together with brewer 21 and connect the powder position by brewing the rotation drag hook 261 that waves control piece 26, the coffee cake is just brewed plug support 13 and is released to remove; Simultaneously; Coffee powder push pedal 215 moves down under the effect of gear assembly 213 and coffee powder push pedal seat 214; Connect the powdery attitude up to being returned to; Be that coffee powder push pedal 215 is in extreme lower position, discharging valve 218 loses the top of coffee powder push pedal 215 and supports and cut out, and draining valve assembly 24 loses the top that brews the flange 262 that waves control piece 26 and supports and close.
The process of the milk making bubble of the embodiment of the invention is following:
Brew Saimaa and reach assembly 12 counter-rotatings, drive brews plug 11 and moves up, and pushes cap relief valve assembly 14 open, makes cap relief valve be in conducting state, and shown in Figure 18 and Figure 18 A, steam is from nozzle F ejection, to carry out the milk making bubble.
Brew Saimaa and reach assembly 12 and just changeing, drive and brew plug 11 and move down, the cap relief valve assembly has lost the thrust that brews plug 11, and under the effect of catapult, resets, and makes cap relief valve be in closure state, stops to put steam, shown in Figure 19 and Figure 19 A.
The above is merely several embodiments of the present invention, and those skilled in the art can carry out various changes, modification or combination and not break away from the spirit and scope of the present invention according to application documents are disclosed the embodiment of the invention.

Claims (17)

1. the brewing unit of a coffee machine is characterized in that, said brewing unit comprises:
Brew plunger member, it comprises and brews plug and brew the plug support that the said plug that brews can be arranged on said brewing in the plug support up or down along the axis direction that brews plug;
Brew seat, it is positioned at the said below that brews the plug support, and the said seat that brews comprises brewer, and said brewer is rotatable to be provided with, to connect or to break away from the above-mentioned plug support that brews;
Buckling component, it is connected said brewing between plug support and the brewer;
Said brewer with brew the plug support connection status, can infuse coffee, but and brewer through the buckling component fastening brewing the plug support on.
2. the brewing unit of coffee machine according to claim 1 is characterized in that, said buckling component comprises and is arranged on the said recess that brews plug support lower end, and the boss that is arranged on said brewer upper end; In said brewer and the connection status that brews the plug support, said boss is fastened on recesses.
3. the brewing unit of coffee machine according to claim 1 and 2; It is characterized in that; The said plunger member that brews comprises that also brewing Saimaa reaches assembly; The said Saimaa that brews reaches assembly and is connected and brews on the plug support, and the said plug that brews can move up and down brewing to fill in the support down brewing effect that Saimaa reaches assembly.
4. the brewing unit of coffee machine according to claim 3; It is characterized in that; Said brew Saimaa reach assembly comprise brew that Saimaa reaches, driving member and drive nut, said drive nut is arranged on said brewing in the plug support, the said plug that brews is connected in the drive nut; The said Saimaa that brews reaches through the rotation of driving member drive drive nut, moves down thereby drive said brewing beyond the Great Wall.
5. the brewing unit of coffee machine according to claim 4; It is characterized in that; Said driving member comprises and intermeshingly brews the plug worm screw and brew the plug worm gear; Saidly brew the plug worm screw and reach and be fixedly connected with the said Saimaa that brews, saidly brew plug worm gear and the engagement of said drive nut, the said Saimaa that brews reaches through brewing the plug worm screw and fills in the rotation of worm gear drives drive nut with brewing.
6. the brewing unit of coffee machine according to claim 3; It is characterized in that; The said plunger member that brews also comprises reversing valve assembly; Said reversing valve assembly is arranged on the product shelves, and contacts with the said plug support that brews, and said reversing valve assembly is in conducting or closure state through the upper and lower displacement that brews the plug support.
7. the brewing unit of coffee machine according to claim 3; It is characterized in that; The said plunger member that brews also comprises the cap relief valve assembly; Said cap relief valve assembly is arranged on the product shelves, and corresponding with the said top that brews plug, and said cap relief valve assembly is in conducting or closure state through the upper and lower displacement that brews plug.
8. the brewing unit of coffee machine according to claim 1 and 2 is characterized in that, the said seat that brews comprises that also brewing a motor sub-assembly waves control piece with brewing, and a said motor sub-assembly that brews waves control piece and can drive brewer and rotate through brewing.
9. the brewing unit of coffee machine according to claim 8; It is characterized in that said brewer comprises and brew net, brew chamber and transmission component that the said top that brews net is a brew chamber; The said below that brews net is provided with transmission component, and said transmission component drives to brew on the net and moves down.
10. the brewing unit of coffee machine according to claim 9; It is characterized in that; Said transmission component comprises gear assembly and coffee powder push pedal seat; Said coffee powder push pedal seat is connected the both sides of gear assembly, and the inboard of said coffee powder push pedal seat is provided with the tooth with gear assembly engagement, saidly brews the upper end that net is connected coffee powder push pedal seat; An above-mentioned motor sub-assembly driven gear assembly that brews rotates, and then moves under driving coffee powder push pedal seat and brewing on the net.
11. the brewing unit of coffee machine according to claim 10; It is characterized in that; The said below that brews net is connected with coffee powder push pedal and coffee powder push pedal connecting rod in turn; Said coffee powder push pedal connecting rod is connected the top of said coffee powder push pedal seat, when coffee powder push pedal seat moves up and down, drives said coffee powder push pedal and brews online mobile down through coffee powder push pedal connecting rod.
12. the brewing unit of coffee machine according to claim 11 is characterized in that, the both sides, bottom of said coffee powder push pedal are respectively equipped with discharging valve and pressure retaining valve, and said pressure retaining valve is communicated with the coffee faucet; Said pressure retaining valve is in unlatching or closed condition through the variation of the hydraulic pressure in the said brew chamber; Said discharging valve is in through moving up and down of said coffee powder push pedal to be opened or closed condition.
13. the brewing unit of coffee machine according to claim 9; It is characterized in that; The said seat that brews also comprises and brews support; Said brewer is removably disposed in and brews in the support, and a said motor sub-assembly that brews is arranged on a side that brews support, brews a motor sub-assembly and waves control piece and drive and to brew support and brewer is rotated together through said brewing.
14. the brewing unit of coffee machine according to claim 13 is characterized in that, said brew wave control piece on its surface, be provided with near said brewer one side at least one the rotation drag hook, be provided with flange at its lateral surface; Said brewing waved control piece and driven through said rotation drag hook and saidly brew support and brewer is rotated together.
15. the brewing unit of coffee machine according to claim 13; It is characterized in that; A said motor sub-assembly that brews comprises and brews a motor and transmission group component, and a said motor that brews drives said brewing through the transmission group component and waves control piece and the action of above-mentioned transmission component.
16. the brewing unit of coffee machine according to claim 15; It is characterized in that; Said transmission group component comprises and brews a worm screw, brews a worm gear and transmission gear wheel; A said motor that brews is fixedly connected with brewing a worm screw, saidly brews a worm screw and is meshed with brewing a worm gear, and the said coaxial drive pinion that fixedly installs of a worm gear that brews is meshed with the transmission gear wheel; Said transmission gear wheel waves the coaxial setting of control piece with said brewing, and upwards is fixedly connected in week.
17. the brewing unit of coffee machine according to claim 14; It is characterized in that; The said seat that brews also comprises the draining valve assembly, and it is arranged on the product shelves, and corresponding with the said support that brews; The valve port of said draining valve assembly is positioned at below one side of said brew chamber, and said draining valve assembly is owing to said flange is in the closure or openness state.
CN2009101745665A 2009-09-30 2009-09-30 Brewing unit of coffee machine Active CN102028408B (en)

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CN2009101745665A CN102028408B (en) 2009-09-30 2009-09-30 Brewing unit of coffee machine
PCT/CN2010/072291 WO2011038589A1 (en) 2009-09-30 2010-04-28 Brewing unit for coffee machine
ROA201200085A RO128000B1 (en) 2009-09-30 2010-04-28 Brewing unit for automatic coffee machine
TR2011/11608T TR201111608T1 (en) 2009-09-30 2010-04-28 coffee maker infuser unit
HU1200235A HU230029B1 (en) 2009-09-30 2010-04-28 Brewing init for coffee machine

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RO (1) RO128000B1 (en)
TR (1) TR201111608T1 (en)
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US10765255B2 (en) * 2013-04-02 2020-09-08 Koninklijke Philips N.V. Jug for beverages and beverage producing machine comprising said jug
RU2689611C2 (en) * 2015-02-05 2019-05-28 Де' Лонги Аплайенсес С.Р.Л. Coffee machine and method of making cup of coffee
CN205162810U (en) * 2015-04-28 2016-04-20 周林斌 Can drive grinding coffee pot's upper cover
CN105996780B (en) * 2016-07-21 2019-03-05 宁波博菱电器股份有限公司 A kind of brewing system of coffee machine
CN109757985A (en) * 2019-02-14 2019-05-17 东保集团有限公司 A kind of brewing base assembly and the coffee machine with the brewing base assembly

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CN101108069A (en) * 2007-08-10 2008-01-23 李行 Coffee infusing device

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CN102028408A (en) 2011-04-27
WO2011038589A1 (en) 2011-04-07
RO128000B1 (en) 2015-01-30
RO128000A2 (en) 2012-12-28
HU230029B1 (en) 2015-05-28
HU1200235A2 (en) 2012-07-30
TR201111608T1 (en) 2012-04-24

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