CN105615662A - Coffee quantity position shifter of coffee machine - Google Patents

Coffee quantity position shifter of coffee machine Download PDF

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Publication number
CN105615662A
CN105615662A CN201610109194.8A CN201610109194A CN105615662A CN 105615662 A CN105615662 A CN 105615662A CN 201610109194 A CN201610109194 A CN 201610109194A CN 105615662 A CN105615662 A CN 105615662A
Authority
CN
China
Prior art keywords
coffee
shelves position
bouncing pilotage
shelves
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610109194.8A
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Chinese (zh)
Other versions
CN105615662B (en
Inventor
景昱东
冯书周
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Ningbo Quanjing Electric Technology Co Ltd
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Ningbo Quanjing Electric Technology Co Ltd
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Priority to CN201610109194.8A priority Critical patent/CN105615662B/en
Publication of CN105615662A publication Critical patent/CN105615662A/en
Application granted granted Critical
Publication of CN105615662B publication Critical patent/CN105615662B/en
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Classifications

    • 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
    • A47J31/40Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
    • A47J31/41Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea of liquid ingredients
    • 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
    • A47J31/44Parts or details or accessories of beverage-making apparatus

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

Abstract

The invention relates to a coffee quantity position shifter of a coffee machine.The coffee quantity position shifter disposed on a body of the coffee machine comprises a coffee quantity position slot arranged in the body and having multiple coffee quantity setting positions, and a position shift rod disposed in the coffee quantity position slot and capable of moving along the coffee quantity position slot, the position shift rod is connected with a coffee quantity signal detection and conversion system of the coffee machine through a connecting component, the connecting component can move in sync with the position shift rod, the coffee quantity position shifter further comprises a jumper pin component, the bouncing pin component comprises a jumper pin and a toothed surface arranged at the bottom of an upper cover of the body and which fits the top end of the jumper pin, the jumper pin is disposed on the connecting component and is kept abutted to the toothed surface through a spring, and the toothed surface is parallel to the coffee quantity position slot and is as long as the same.Compared with the prior art, the coffee quantity position shifter is simple in structure and convenient to operate, and suitable damping is provided for the movement of the position shift rod through interaction of the jumper pin with the toothed surface so that accuracy of position shifting is ensured.

Description

The quantity of coffee gearshift of a kind of coffee machine
Technical field
The present invention relates to coffee machine field, particularly relate to the quantity of coffee gearshift of a kind of coffee machine.
Background technology
At present along with the raising that quality of coffee is required by human consumer, has there is various tastes in the same a capsule of most of coffee business, and few person three or five kinds, many persons tens kinds. In addition, along with coffee capsule profile is tending towards stdn gradually, the coffee capsule profile of multiple coffee business similar (such as imitative nest) occurs, can use on a machine simultaneously. Visible, same coffee machine need to meet the capsule of various tastes, many coffee business, and due to its production technique, the baked coffee degree of depth, proportioning difference, its best coffee extracted amount required is also different, therefore, human consumer in use needs quantity of coffee carries out repeatedly gear shift adjustment.
When quantity of coffee shelves position alternative on coffee machine is less, gearshift generally adopts the form of button, the such as patent No. is the Chinese invention patent " the special espresso coffee machine with amount of abrasive control " of ZL201080008807.X (Authorization Notice No. is CN102325485B), in this patent, grinding control part comprises variable dose concentration adjustment knob and dosage change-over switch, and wherein dosage change-over switch can switch between single glass of dosage setting and two glasss of dosage settings; And for example the patent No. is the Chinese invention patent " preparation method of coffee machine and coffee machine " of ZL200480043370.8 (Authorization Notice No. is CN100571586C), and the quantity being provided with the cup that one or more basis will supply Turkey's coffee wherein in this patent carries out regulating to determine to be extracted into the coffee cup quantity selection button of the water yield in boiling kettle. But, when alternative quantity of coffee shelves position is more, adopts and not only take space relatively greatly by keyed, and be inconvenient to operate.
Summary of the invention
Technical problem to be solved by this invention is the gearshift providing a kind of coffee machine being applicable to many quantity of coffee shelves position for prior art, and it is easy to operate, and gear shift is accurate.
The present invention solves the problems of the technologies described above the technical scheme adopted: the quantity of coffee gearshift of a kind of coffee machine, it is arranged on the fuselage of coffee machine, it is characterized in that, comprise the multiple quantity of coffee that has being opened on fuselage and the quantity of coffee shelves position groove of shelves position and the shelves position driving lever being arranged in the groove of quantity of coffee shelves position and can move along quantity of coffee shelves position groove are set, this grade of position driving lever is connected with the quantity of coffee signal detection converting system of coffee machine by tie-in module, and tie-in module can action synchronous with shelves position driving lever, also comprise bouncing pilotage assembly, this bouncing pilotage assembly comprises bouncing pilotage and the toothed surface being arranged on fuselage upper cover bottom surface and coordinate with bouncing pilotage top, described bouncing pilotage is arranged on above-mentioned tie-in module and is kept the trend that offsets with above-mentioned toothed surface by a spring, the setting parallel with quantity of coffee shelves position groove of described toothed surface and length are mated mutually.
As preferably, described quantity of coffee default control system also comprises shelves position indicating lamp component, this grade of position indicating lamp component comprises the shelves position pilot lamp group being arranged at fuselage interior and the support that is in the light, the light on and off of the pilot lamp that the pilot lamp number of this grade of position pilot lamp group is corresponding with the corresponding and each shelves position, shelves position on the groove of quantity of coffee shelves position and the action of shelves position driving lever are synchronous, the fuselage wall of groove side, described quantity of coffee shelves position offers one group of light hole relative one by one with each pilot lamp, and each light hole is corresponding respectively with each shelves position, the described support that is in the light comprises polylith and is in the light plate, the lower end of plate that is respectively in the light is arranged between adjacent pilot lamp upper end and is arranged between corresponding adjacent light hole, the irradiation light of each pilot lamp exposes in corresponding light hole along the adjacent passage being in the light between plate. shelves position scale selected by display intuitively is convenient in the setting of shelves position indicating lamp component, and the support that is wherein in the light can avoid pilot lamp to alter light and affect the display of shelves position.
For making the shelves position display of pilot lamp group more accurate, described toothed surface is provided with the gear teeth of location, confession bouncing pilotage top corresponding with each pilot lamp respectively, between adjacent gear positions tooth, is provided with the slippage tooth for the slippage between each gear teeth of bouncing pilotage top.
As preferably, described tie-in module comprises the union lever erected to arranging, and one end of this union lever is connected with quantity of coffee signal detection converting system, and the other end is connected with the lower end of shelves position driving lever.
Further, for make bouncing pilotage preferably with the movement of shelves position driving lever and action, the upper end occurred level of described union lever bends and forms mounting plane, the lower end of described driving lever is connected on this mounting plane, the lower section of described quantity of coffee shelves position groove forms the convex edge of an energy shield quantity of coffee shelves position groove, this convex edge parallel with shield quantity of coffee shelves position groove and and shield quantity of coffee shelves position groove bottom between leave gap, the upper end of union lever makes mounting plane be positioned at above convex edge through gap, and described toothed surface is arranged on this bottom surface, convex edge.
As preferably, described bouncing pilotage assembly also comprises the mount pad for fixing bouncing pilotage, this mount pad is arranged on union lever, comprise the placement platform for placing bouncing pilotage and be divided into these placement platform both sides for bouncing pilotage is carried out spacing limitting casing, a cavity volume has been offered in the bottom of described bouncing pilotage, and described spring is arranged in this cavity volume and offsets with placement platform.
Compared with prior art, it is an advantage of the current invention that: in the present invention, quantity of coffee gearshift comprises and has the quantity of coffee shelves position groove that multiple quantity of coffee arranges shelves position, shelves position driving lever and bouncing pilotage assembly, this apparatus structure is simple, make it move along quantity of coffee shelves position groove can to change quantity of coffee by stirring shelves position driving lever, easy to operate, and when shelves position driving lever moves in the groove of quantity of coffee shelves position, bouncing pilotage moves in toothed surface with shelves position driving lever, position-limiting action is played in bouncing pilotage top by toothed surface, for the suitable damping of mobile offer of shelves position driving lever, improve the operating handle of shelves position driving lever, the displacement of bouncing pilotage is avoided to exceed stroke, thus ensure the accuracy that shelves position driving lever moves in slot, quantity of coffee shelves position, ensure the accuracy of gear shift.
Accompanying drawing explanation
Fig. 1 is the perspective view of coffee machine in the embodiment of the present invention;
Fig. 2 is the sectional view of Fig. 1 along A-A direction;
Fig. 3 is the enlarged view of I part in Fig. 2;
Fig. 4 is quantity of coffee gearshift structural representation in the embodiment of the present invention;
Fig. 5 is bouncing pilotage structural representation in the embodiment of the present invention;
Fig. 6 is the sectional view of Fig. 1 along B-B direction;
Fig. 7 is the enlarged view of II part in Fig. 6.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Fig. 1��7, a kind of coffee machine, comprise fuselage 1 and quantity of coffee gearshift on the fuselage 1 is set, this quantity of coffee gearshift comprises the multiple quantity of coffee that has offered on the fuselage 1 and arranges the quantity of coffee shelves position groove 2 of shelves position, is arranged in quantity of coffee shelves position groove 2 and the shelves position driving lever 3 that can move along quantity of coffee shelves position groove 2 and bouncing pilotage assembly, and this grade of position driving lever 3 is connected with the quantity of coffee signal detection converting system of coffee machine by tie-in module.
Above-mentioned quantity of coffee signal detection converting system comprises the position detection device 6 and PCB core sheet 5 that are arranged on fuselage 1 inside, in the present embodiment, this position detection device 6 is potentiometer, moveable arm and the shelves position driving lever 3 of this potentiometer inside link, drive moveable arm to move when shelves position driving lever 3 moves, so that position detection device 6 exports different resistance values and exports in PCB core sheet 5, PCB core sheet 5 has signal conversion circuit and comparer, wherein signal conversion circuit receives the electrical signal of position detection device 6 output and converts default quantity of coffee signal to, this default quantity of coffee signal is compared by comparer with the real-time quantity of coffee signal of coffee machine. above-mentioned quantity of coffee signal can be under meter Pulse Rate in coffee machine, namely flows through the amount of water, when the Pulse Rate of real-time under meter equals default under meter Pulse Rate, and coffee machine stopping work, thus realize the default control to quantity of coffee, in addition, quantity of coffee signal also can be the working hour of water pump in coffee machine, namely makes coffee the time.
Specifically, in the present embodiment, quantity of coffee shelves position groove 2 in circular arc shape, accordingly, position detection device 6 for rotatable potentiometer and by with quantity of coffee shelves position groove 2 concentric(al) circles in the way of to be installed on fuselage 1 inner. like this when quantity of coffee signal is under meter Pulse Rate in coffee machine, shelves position driving lever 3 slides along circular arc shape quantity of coffee shelves position groove 2, moveable arm in position detection device 6 rotates, when moveable arm rotates to different positions, export different resistance values and export PCB core sheet 5 to, signal conversion circuit is according to calculating, it is converted to the Pulse Rate of corresponding preset flow meter, coffee machine is normally made coffee, under meter in coffee machine water route can along with current by constantly adding up Pulse Rate, when the Pulse Rate of under meter equals the default Pulse Rate that signal conversion circuit converts, coffee machine stopping work, complete to make coffee, in the process, the water yield that each Pulse Rate of under meter flows through is constant, there is corresponding Pulse Rate, also just there is the water inventory flowed through, i.e. quantity of coffee, thus complete the control to quantity of coffee. or, when the working hour that quantity of coffee signal is water pump in coffee machine, stir shelves position driving lever 3, the moveable arm of position detection device 6 is driven to rotate and export corresponding resistance value, PCB core sheet 5 receives the parameter that position detection device 6 exports, signal conversion circuit carries out calculating and is converted to the corresponding pump working time, namely make coffee the time, corresponding quantity of coffee is obtained (when making coffee by this time of making coffee, the flow velocity of coffee is stable substantially), thus complete the control to quantity of coffee.
Above-mentioned tie-in module comprises the union lever 8 erected to arranging, and the moveable arm that device 6 is detected by horizontally disposed transmission shaft 7 and position in one end of this union lever 8 is connected, and the other end of this union lever 8 is connected with the lower end of above-mentioned shelves position driving lever 3. Thus realize the linkage of shelves position driving lever 3 with position detection device 6 moveable arm preferably.
Above-mentioned bouncing pilotage assembly is arranged on union lever 8, comprise bouncing pilotage 10, be arranged on union lever 8 and for the mount pad 9 of fixing bouncing pilotage 10 and be arranged on fuselage 1 upper cover bottom surface and the toothed surface 12 that coordinates with bouncing pilotage 10 top. this toothed surface 12 is provided with the gear teeth 121 of location, confession bouncing pilotage 10 top corresponding with each pilot lamp 16 respectively, the slippage tooth 122 for the slippage between each gear teeth 121 of bouncing pilotage 10 top it is provided with between adjacent gear positions tooth 121, the present embodiment arranges between adjacent gear positions tooth 121 three slippage teeth 122, during gear shift, stir shelves position driving lever 3, bouncing pilotage 10 top is along slippage tooth 122 slippage, and when dialing to the shelves position of needs, bouncing pilotage 10 top is positioned in corresponding gear teeth 121. above-mentioned mount pad 9 is arranged along union lever 8 length direction, comprise the placement platform 92 being positioned at below bouncing pilotage 10 and it is positioned at the limitting casing 91 of bouncing pilotage 10 left and right sides, and the left and right sidewall of bouncing pilotage 10 is respectively arranged with a projection 101 matched with above-mentioned limitting casing 91, during installation, the both sides projection 101 of bouncing pilotage 10 is blocked in corresponding limitting casing 91 respectively, a cavity volume 102 has been offered in the bottom of bouncing pilotage 10, this cavity volume 102 is provided with a spring 103, and this spring 103 offsets with placement platform 92, toothed surface 12 is equal with the parallel setting of groove 2 of quantity of coffee shelves position and length, like this when shelves position driving lever 3 moves along quantity of coffee shelves position groove 2, under the action of the spring, the top of bouncing pilotage 10 offsets with toothed surface 12 all the time.
For making the shelves position of quantity of coffee select more directly perceived, above-mentioned quantity of coffee gearshift comprises shelves position indicating lamp component further, this grade of position indicating lamp component comprises the shelves position pilot lamp group being arranged on PCB core sheet 5 and the support 14 that is in the light, the action synchronous (namely synchronous with driving lever 3 action of shelves position) of the light on and off of the pilot lamp 16 that pilot lamp 16 number of this grade of position pilot lamp group is corresponding with the corresponding and each shelves position, shelves position on quantity of coffee shelves position groove 2 and position detection device 6, fuselage 1 end face of groove 2 side, quantity of coffee shelves position is offered one group of light hole 15 relative one by one with each pilot lamp 16, and each light hole 15 and each shelves position one_to_one corresponding, the support 14 that is in the light comprises polylith and is in the light plate 141, the plate 141 times ends that are respectively in the light are arranged between adjacent pilot lamp 16 upper end and are arranged between corresponding adjacent light hole 15, the irradiation light of each pilot lamp 16 exposes in corresponding light hole 15 along the adjacent passage being in the light between plate 141. like this, when position detect device 6 under the driving of shelves position driving lever 3, obtain respective resistivity values time, to should the pilot lamp 16 of resistance value bright, prompting user's current gear. for further facilitating the use of user, fuselage 1 is provided with button 4, and long by being power switch, short in for making coffee switch, like this when presetting quantity of coffee shelves position, short can offering by coffee switch is made coffee.

Claims (6)

1. the quantity of coffee gearshift of a coffee machine, it is arranged on the fuselage (1) of coffee machine, it is characterized in that, comprise be opened on fuselage (1) have multiple quantity of coffee quantity of coffee shelves position groove (2) of shelves position is set and be arranged in quantity of coffee shelves position groove (2) and can along shelves position driving lever (3) of quantity of coffee shelves position groove (2) movement, this grade of position driving lever (3) is connected with the quantity of coffee signal detection converting system of coffee machine by tie-in module, and tie-in module can action synchronous with shelves position driving lever (3), also comprise bouncing pilotage assembly, this bouncing pilotage assembly comprises bouncing pilotage (10) and is arranged on fuselage (1) upper cover bottom surface and the toothed surface (12) that coordinates with bouncing pilotage (10) top, described bouncing pilotage (10) is arranged on above-mentioned tie-in module and is kept the trend that offsets with above-mentioned toothed surface (12) by a spring (103), described toothed surface (12) setting parallel with quantity of coffee shelves position groove (2) and length are mated mutually.
2. quantity of coffee gearshift as claimed in claim 1, it is characterized in that, also comprise shelves position indicating lamp component, this grade of position indicating lamp component comprises the shelves position pilot lamp group and the support (14) that is in the light that are arranged at fuselage (1) inside, the light on and off of the pilot lamp (16) that pilot lamp (16) number of this grade of position pilot lamp group is corresponding with corresponding and each shelves position, the shelves position on quantity of coffee shelves position groove (2) and the action of shelves position driving lever (3) are synchronous, fuselage (1) end face of groove (2) side, described quantity of coffee shelves position is offered one group of light hole (15) relative one by one with each pilot lamp (16), and each light hole (15) is corresponding respectively with each shelves position, the described support that is in the light (14) comprises polylith and is in the light plate (141), plate (141) the lower end that is respectively in the light is arranged between adjacent pilot lamp (16) upper end and is arranged between corresponding adjacent light hole (15), the irradiation light of each pilot lamp (16) exposes in corresponding light hole (15) along the passage between the adjacent plate that is in the light (141).
3. quantity of coffee gearshift as claimed in claim 2, it is characterized in that, the gear teeth (121) being provided with location, confession bouncing pilotage (10) top corresponding with each pilot lamp (16) respectively in described toothed surface (12), is provided with the slippage tooth (122) for the slippage between each gear teeth (121) of bouncing pilotage (10) top between adjacent gear positions tooth (121).
4. quantity of coffee gearshift as according to any one of claims 1 to 3, it is characterized in that, described tie-in module comprises the union lever (8) erected to arranging, one end of this union lever (8) is connected with quantity of coffee signal detection converting system, and the other end is connected with the lower end of shelves position driving lever (3).
5. quantity of coffee gearshift as claimed in claim 4, it is characterized in that, the upper end occurred level of described union lever (8) bends and forms mounting plane (13), the lower end of described shelves position driving lever (3) is connected on this mounting plane (13), the lower section of described quantity of coffee shelves position groove (2) forms the convex edge (11) of shield quantity of coffee shelves position groove (2), this convex edge (11) parallel with shield quantity of coffee shelves position groove (2) and and groove (2) bottom surface, shield quantity of coffee shelves position between leave gap, the upper end of union lever (8) makes mounting plane (13) be positioned at top, convex edge (11) through this gap, and described toothed surface (12) is arranged at this convex edge (11) bottom surface.
6. quantity of coffee gearshift as claimed in claim 4, it is characterized in that, described bouncing pilotage assembly also comprises the mount pad for fixing bouncing pilotage (10) (9), this mount pad (9) is arranged on union lever (8), comprise the placement platform for placing bouncing pilotage (10) (92) and be divided into this placement platform (92) both sides for bouncing pilotage (10) being carried out spacing limitting casing (91), a cavity volume (102) has been offered in the bottom of described bouncing pilotage (10), described spring (103) is arranged in this cavity volume (102) and offsets with placement platform (92).
CN201610109194.8A 2016-02-29 2016-02-29 A kind of quantity of coffee gearshift of coffee machine Active CN105615662B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610109194.8A CN105615662B (en) 2016-02-29 2016-02-29 A kind of quantity of coffee gearshift of coffee machine

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Application Number Priority Date Filing Date Title
CN201610109194.8A CN105615662B (en) 2016-02-29 2016-02-29 A kind of quantity of coffee gearshift of coffee machine

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CN105615662B CN105615662B (en) 2018-08-14

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1165472A (en) * 1995-07-20 1997-11-19 小哈利D·杰弗逊 Coffee and tea brewing apparatus and system
WO2004000085A1 (en) * 2002-06-25 2003-12-31 Societe Des Produits Nestle S.A. Dispensing canister
US20060283330A1 (en) * 2005-06-20 2006-12-21 Uni-Splendor Corp. Coffee maker with height adjustment mechanism
CN1931068A (en) * 2006-09-12 2007-03-21 上海钜鑫电子有限公司 Coffee bean distributting method, automatic coffee making machine and coffee bean box using same
CN101530286A (en) * 2009-04-14 2009-09-16 沈斌 Full automatic tea-making facility with adjustable concentration
CN203629495U (en) * 2013-12-23 2014-06-04 中国重汽集团济南动力有限公司 Portable gear runout tester
CN103917143A (en) * 2011-09-06 2014-07-09 优格斯特/弗里斯马格股份公司 Method and device for producing a coffee preparation
CN204260579U (en) * 2014-12-04 2015-04-15 宁波全景电器技术有限公司 The coffee machine of operating in a key power supply and coffee percolation liquid measure
CN204260576U (en) * 2014-12-04 2015-04-15 宁波全景电器技术有限公司 A kind of convenient beverage producing equipment controlling quantities of beverage
CN204394258U (en) * 2015-01-28 2015-06-17 昆山市东具食品有限公司 Touch screen type machine for espresso beverages
CN102325485B (en) * 2009-01-29 2015-09-09 布瑞威利私人有限公司 With the espresso coffee machine that grinder dosage controls
CN205597755U (en) * 2016-02-29 2016-09-28 宁波全景电器技术有限公司 Coffee volume gearshift of coffee machine

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1165472A (en) * 1995-07-20 1997-11-19 小哈利D·杰弗逊 Coffee and tea brewing apparatus and system
WO2004000085A1 (en) * 2002-06-25 2003-12-31 Societe Des Produits Nestle S.A. Dispensing canister
US20060283330A1 (en) * 2005-06-20 2006-12-21 Uni-Splendor Corp. Coffee maker with height adjustment mechanism
CN1931068A (en) * 2006-09-12 2007-03-21 上海钜鑫电子有限公司 Coffee bean distributting method, automatic coffee making machine and coffee bean box using same
CN102325485B (en) * 2009-01-29 2015-09-09 布瑞威利私人有限公司 With the espresso coffee machine that grinder dosage controls
CN101530286A (en) * 2009-04-14 2009-09-16 沈斌 Full automatic tea-making facility with adjustable concentration
CN103917143A (en) * 2011-09-06 2014-07-09 优格斯特/弗里斯马格股份公司 Method and device for producing a coffee preparation
CN203629495U (en) * 2013-12-23 2014-06-04 中国重汽集团济南动力有限公司 Portable gear runout tester
CN204260579U (en) * 2014-12-04 2015-04-15 宁波全景电器技术有限公司 The coffee machine of operating in a key power supply and coffee percolation liquid measure
CN204260576U (en) * 2014-12-04 2015-04-15 宁波全景电器技术有限公司 A kind of convenient beverage producing equipment controlling quantities of beverage
CN204394258U (en) * 2015-01-28 2015-06-17 昆山市东具食品有限公司 Touch screen type machine for espresso beverages
CN205597755U (en) * 2016-02-29 2016-09-28 宁波全景电器技术有限公司 Coffee volume gearshift of coffee machine

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