CN103110357B - Connector installed on water tank seat of coffee machine - Google Patents
Connector installed on water tank seat of coffee machine Download PDFInfo
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- CN103110357B CN103110357B CN201310073588.9A CN201310073588A CN103110357B CN 103110357 B CN103110357 B CN 103110357B CN 201310073588 A CN201310073588 A CN 201310073588A CN 103110357 B CN103110357 B CN 103110357B
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Abstract
The invention relates to a connector installed on a water tank seat of a coffee machine. The connector comprises a connector body which is provided with a cavity. A top pillar is arranged in the middle of the cavity. A water outlet channel and a water return channel are formed in a connector clip. The connector is characterized in that a filtering piece provided with filtering holes is further arranged in the cavity, the filtering piece is sleeved on the top pillar, the cavity is divided into an upper cavity and a lower cavity by the filtering piece, the water outlet channel and the water return channel are independent, an inlet of the water outlet channel is communicated with the lower cavity of the cavity, the water return channel extends upwards into the top pillar, and an outlet of the water return channel is formed in the side wall of the top pillar and is communicated with the upper cavity of the cavity. Return water flows out from the water return channel arranged on the top pillar and enters into the upper cavity of the cavity, certain surface tension is formed in the filtering holes of the filtering piece by the water flow, if flow of the return water is not big enough for passing through the filtering piece, the return water can be prevented from passing through a flow meter directly, the flow meter can sense water shortage, and then the machine is immediately stopped so as to avoid pumping of a water pump.
Description
Technical field
The present invention relates to a kind of joint, particularly relate to a kind of joint be arranged on coffee maker block.
Background technology
Coffee machine is as a kind of beverage extraction plant, and it generally comprises water supply part and extraction part, and water supply part is used for providing hot water to extraction part.Water supply part mainly comprises water tank and water tank seat, water tank is water container, and water tank is shelved in water tank seat, and the bottom of water tank has delivery port, the delivery port position of water tank is provided with radiator valve, and radiator valve is hold by spring the check valve keeping closing delivery port trend.
The joint with exhalant canal is installed in water tank seat, the middle part of joint has the fore-set upwards extended, be installed to the state in water tank seat at water tank under, fore-set in the middle part of joint just upwards backs down radiator valve, allow water in water tank and water tank seat conducting, pump working in coffee machine, water is flowed through flowmeter from the exhalant canal joint and enters into water pump, and by the three-way backwater water valve on water pump or the independent three-way backwater water valve arranged, current are divided into two-way, the backwater that water pump produces in evacuation procedure by a delivery port of three-way backwater water valve discharged in the waste water tank in coffee machine, another road current are then by entering into the extraction equipment of coffee machine after heater.The return water ratio produced due to the water pump had is more, as directly discharged to waste water tank, can cause the waste of water resource, need the waste water often cleared up in waste water tank in addition.
Someone invents a kind of joint with backwater channel for this reason, as shown in Figure 5, be made up of sleeve 1 ' and the plug connector 2 ' that can insert sleeve 1 ', circular in roughly of sleeve 1 ' cross section, the top of the internal perisporium of sleeve 1 ' has the annular stopper extended internally, the lower surface of sleeve 1 ' has to downward-extension and spaced four elasticity card bases, the profile of plug connector 2 ' and sleeve 1 ' inner chamber match and can insert in sleeve 1 ', the position, middle and lower part of plug connector 2 ' outer peripheral face has the annular rib of evagination, in plug connector 2 ' insertion aforementioned sleeves 1 ' under state, the lower surface of annular rib and sleeve keeps off joins, and annular rib is correspondingly provided with the breach passed for elasticity card base, plug connector has an opening upwards cavity, the center position of this cavity is provided with the fore-set 7 ' upwards extended, plug connector has the exhalant canal 3 ' that a cavity communicates, with a backwater channel 4 ' communicated with cavity, exhalant canal 3 ' and backwater channel 4 ' are directly without being communicated with of stopping.For guaranteeing the liquid sealing between sleeve and plug connector, be provided with an O-ring seals 5 ' in sleeve, this O-ring seals 5 ' is limited between annular block face and the upper surface of plug connector.Sealing joint in use, first O-ring seals to be positioned in sleeve and to be shelved in annular stopper, then plug connector 2 ' is inserted in sleeve 1 ', the upper surface extruding O-ring seals of plug connector, on elasticity card base buckle plug connector on sleeve, the water tank seat of plug connector and coffee machine is fixed, then water tank 6 ' is tipped upside down in the water tank seat of coffee machine, the annular joint pin 62 ' that the delivery port 61 ' of water tank 6 ' is outside inserts in the interior cavity also always inserting plug connector 2 ' of sleeve, plug connector 2 ' is under the Gravitative Loads of water tank, O-ring seals is compressed in joint pin, annular block face, between the internal perisporium of sleeve and the upper surface of plug connector, form sealing effectiveness, fore-set 7 ' just upwards backs down the radiator valve of the delivery port position of water tank simultaneously, water in water tank is communicated with water tank seat.
During pump working, water is flowed out from water outlet of water tank by exhalant canal, the current flowed out enter in water pump by flowmeter, and by the three-way backwater water valve on water pump or the independent three-way backwater water valve arranged, current are divided into two-way, water pump has air-discharging process in the process of starting working, and the backwater that water pump produces in evacuation procedure is by a delivery port of the three-way backwater water valve backwater channel discharged to plug connector, and another road current are then by entering into the extraction equipment of coffee machine after heater.Without hindrancely to be communicated with because backwater channel and exhalant canal are direct, when water tank does not have water, the backwater of three-way backwater water valve is by entering flowmeter again after backwater channel and exhalant canal at once, thus cause flowmeter not sense water tank lacks water, dally, water pump can not normally stop always, after water tank topped up with water, water pump still can not maintain normal work, there is sky and takes out bad phenomenon.
At sleeve, O-ring seals sealing between plug connector and the annular wall of water tank, is only adopted to there is following defect: 1, because deformation plance when O-ring seals is squeezed is less, therefore the contact area of O-ring seals and adjacent each end face is less, especially the contact area and between the annular joint pin outer peripheral face of water tank bottom is less, therefore sealing effectiveness is poor; As need sealing effectiveness be improved, then need the contact area of O-ring seals and annular joint pin outer peripheral face is increased, water tank can be made to insert and putting more effort of extracting, use difficulty, the main cause of this phenomenon is caused to be O-ring seals gapless between annular joint pin outer peripheral face and sleeve internal perisporium, after water tank inserts, O-ring seals is without stepping down, and causes the great efforts of inserting and extracting.2, be assembled to before on water tank joint pin, because this O-ring seals is mainly arranged between annular block face and the upper surface of plug connector, the area of annular block face is less, now be subject to the extruding of plug connector at O-ring seals after, it is outside that O-ring seals is easily extruded annular block face, especially when the joint pin of water tank need be extracted water tank, due to the frictional force effect of O-ring seals and water tank joint pin outer peripheral face, O-ring seals more easily drops out, and uses assembling inconvenient.
Summary of the invention
Technical problem to be solved by this invention provides a kind of backwater can not be without hindrance and directly enter the joint be arranged on coffee maker block of exhalant canal.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of joint be arranged on coffee maker block, comprise the joint body in order to be connected with the delivery port of water tank, joint body has the cavity of an opening upwards, the center position of cavity is provided with the fore-set upwards extended, and joint body has the exhalant canal and backwater channel that are communicated with extraneous and cavity; It is characterized in that: in described cavity, be also provided with the filter with filter bores, this filter is set on fore-set and by cavity and is divided into upper chamber and lower cavity two parts, described exhalant canal and backwater channel independent of one another, the import of exhalant canal is communicated with the lower cavity of cavity, described backwater channel extends upwardly in fore-set, and the outlet of backwater channel is arranged on fore-set sidewall and with the upper chamber of cavity and is communicated with.
Above-mentioned joint body comprises sleeve, plug connector and sealing ring, and the top of the internal perisporium of sleeve has the annular stopper extended to inboard, and plug connector is plugged in sleeve, and described cavity is arranged on plug connector, and described sealing ring is arranged between sleeve and plug connector.Be more than a kind of concrete structure of joint body, the delivery port of this joint body energy and water tank forms good being tightly connected.
The bottom center position of above-mentioned cavity is provided with recessed jack, the described backwater channel part be positioned on plug connector communicates with this jack, exhalant canal then blocks each other with this jack, described fore-set plug and close-fitting in this jack, the bottom of fore-set has the breach be communicated with the backwater channel be positioned on plug connector.Plug connector and fore-set are divided into two parts by this structure, simplify the mould structure of plug connector, are convenient to production and assembly.
The sidewall of above-mentioned jack is provided with stopper slot, and the middle part of described fore-set has the limited block of outwardly convex, and be plugged in the state in jack at fore-set under, described limited block is positioned at stopper slot.By the cooperation of limited block and stopper slot, play suggesting effect to the installation of fore-set, after guaranteeing that fore-set is installed, the backwater channel be positioned on plug connector aligns with the breach bottom fore-set, more convenient assembling.
For ease of being installed in the water tank seat of coffee machine by plug connector, above-mentioned plug connector both sides have outward extending installation portion, and installation portion has installing hole.
The lower surface of above-mentioned sleeve has to downward-extension and spaced four elasticity card bases, the position, middle and lower part of plug connector outer peripheral face has the annular rib of evagination, annular rib is correspondingly provided with the locating hole worn for described elastic card, in plug connector insertion sleeve under state, the outer face of annular rib and sleeve keeps off joins, and described elasticity card base and locating hole card are joined.Joined by the card of locating hole on elasticity card base and plug connector, can conveniently sleeve and plug connector be linked together.
As improvement, above-mentioned sealing ring has the upper surface and ringwise horizontal part that can be shelved on plug connector, the inboard of this horizontal part has to downward-extension and towards the ringwise rake of outer incline, in plug connector insertion sleeve under state, described horizontal part is pressed between the upper surface of plug connector and described annular stopper, has gap between rake and the cavity interior walls of plug connector simultaneously.
Inboard due to sealing ring horizontal part has to downward-extension and towards the ringwise rake of outer incline, and have gap between rake and the cavity interior walls of plug connector, when on the annular joint pin that fitting sleeve is located at water outlet of water tank outside, annular joint pin outwards can extrude rake, and rake inherently has the trend tilted inwards, therefore rake firmly can be fitted with annular joint pin outer face, increase the contact area on sealing ring and water tank between annular joint pin simultaneously, therefore the good sealing effect of sealing coil structures, therefore the good sealing effect between whole seal nipple and annular joint pin, and general gap is larger, the dynamics that water tank inserted or extracted seal nipple needs is less.
Further improvement, also there is outside above-mentioned horizontal part the vertical portion to downward-extension, in plug connector insertion sleeve under state, described plug connector perisporium is between vertical portion and rake, and the inner end of the outer peripheral face of plug connector and vertical portion is fitted, fit in the inner face of sleeve in the outer face of vertical portion.
Because the perisporium of plug connector is between vertical portion and rake, therefore sealing ring can be stablized and is limited on plug connector perisporium, prevent sealing ring from spinning off under the extruding of plug connector, the outer peripheral face of vertical portion and plug connector is fitted simultaneously, improves sealing effectiveness further.
Compared with prior art, the invention has the advantages that: due to backwater channel and exhalant canal independent of one another, backwater is flowed out by the outlet being positioned at fore-set top backwater passage, enter into the upper chamber of cavity, namely backwater is positioned at the top of filter, current can form certain surface tension in the filter bores of filter, therefore current will need constant weight by the filter bores of filter, because backwater amount is little, if water tank lacks water, only there is the underfed of backwater to pass through filter, backwater can be avoided so directly to pass through flowmeter, flowmeter can sense lack of water, on mechanical horse stop thus avoiding water pump always sky take out, again start after water tank topped up with water, water pump can normally work again.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment of the present invention;
Fig. 2 is the perspective view after the embodiment of the present invention removes sleeve and filter;
Fig. 3 is the ladder three-dimensional cutaway view of the embodiment of the present invention;
Fig. 4 is the three-dimensional exploded view of the embodiment of the present invention;
Fig. 5 is the using state schematic diagram of prior art center tap.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in figures 1-4, be a preferred embodiment of the present invention.
Being arranged on the joint on coffee maker block, comprising the joint body for being connected with the delivery port of water tank, water tank is not display in drawing.Joint body in the present embodiment comprises sleeve 1, plug connector 2 and sealing ring 3, circular in roughly of sleeve 1 cross section, the top of the internal perisporium of sleeve 1 has the annular stopper 11 extended to inboard, and the lower surface of sleeve 1 has to downward-extension and spaced four elasticity card bases 12.
The profile of plug connector 2 and sleeve 1 match and can insert in sleeve 1, and plug connector 2 both sides have outward extending installation portion 10, installation portion 10 have installing hole 101.The position, middle and lower part of plug connector 2 outer peripheral face has the annular rib 9 of evagination, annular rib 9 is correspondingly provided with the locating hole 91 passed for elasticity card base 12, to insert in sleeve 1 under state at plug connector 2, annular rib 9 keeps off with the outer face of sleeve 1 joins, elasticity card base 12 and locating hole 91 block joins, thus sleeve 1 and plug connector 2 is linked together.
Sealing ring 3 is arranged between sleeve 1 and plug connector 2, and plug connector 2 has the cavity 4 of an opening upwards, and the center position of cavity 4 is provided with the fore-set 5 upwards extended.
Plug connector 2 in joint body has the exhalant canal 6 and backwater channel 7 that are communicated with extraneous and cavity 4, the filter 8 with filter bores 81 is also provided with in cavity 4, this filter 8 to be set on fore-set 5 and cavity 4 is divided into upper chamber 4a and lower cavity 4b two parts, exhalant canal 6 and backwater channel 7 independent of one another, the import 61 of exhalant canal 6 is communicated with the lower cavity 4b of cavity, backwater channel 7 extends upwardly in fore-set 5, and the outlet 71 of backwater channel 7 to be arranged on fore-set 5 sidewall and to be communicated with the upper chamber 4a of cavity.
Fore-set 5 is independently columnar part, recessed jack 41 is provided with in the bottom center position of cavity 4, backwater channel 7 part be positioned on plug connector communicates with this jack 41, exhalant canal 6 then blocks each other with this jack 41, fore-set 5 plug and close-fitting in this jack 41, the bottom of fore-set 5 has the breach 51 be communicated with the backwater channel 7 be positioned on plug connector.The sidewall of jack 41 is provided with stopper slot 42, and the middle part of fore-set 5 has the limited block 52 of outwardly convex, and under the state that fore-set 5 is plugged in jack 41, limited block 52 is positioned at stopper slot 42.
Sealing ring 3 has the upper surface and ringwise horizontal part 31 that can be shelved on plug connector 2, the inboard of this horizontal part 31 has to downward-extension and towards the ringwise rake 32 of outer incline, also there is outside horizontal part 31 vertical portion 33 to downward-extension, to insert in sleeve 1 under state at plug connector 2, horizontal part is pressed between the upper surface of plug connector 2 and annular stopper 11, plug connector 2 perisporium is between vertical portion 33 and rake 32, the outer peripheral face of plug connector 2 and the inner end of vertical portion 33 are fitted, fit in the inner face of sleeve 1 in the outer face of vertical portion 33, there is gap X between rake 32 and cavity 4 inwall of plug connector simultaneously, this gap X value is less, water tank needs larger insertion force to insert, otherwise, gap X value is larger, water tank only needs less insertion force just can insert in joint.
Sealing joint in use, first sealing ring 3 is set on the perisporium of plug connector 2, plug connector 2 perisporium is between vertical portion 33 and rake 32, and the inner end of the outer peripheral face of plug connector 2 and vertical portion 33 is fitted, again the plug connector 2 being arranged with sealing ring 3 is inserted in sleeve 1, then the elasticity card base 12 on sleeve 1 is buckled in locating hole 91, complete the connection of sleeve 1 and plug connector 2, then be fixed in the water tank seat of coffee machine pass the installing hole 101 on the installation portion 10 of plug connector with screw after, finally water tank is tipped upside down in coffee machine, the water tank structure be assembled in coffee machine is prior art, no longer launch to elaborate at this, the annular joint pin of water outlet of water tank outside inserts sleeve 1 and enters the cavity 4 of plug connector 2, annular joint pin outer peripheral face outwards can extrude rake 32, and rake 32 inherently has the trend tilted inwards, therefore rake 32 firmly can be fitted with annular joint pin outer face, plug connector 2 is under the Gravitative Loads of water tank 5 simultaneously, the horizontal part 31 of the upper surface crush seal circle 3 of plug connector 2.
Due to backwater channel 7 and exhalant canal 6 independent of one another, backwater is flowed out by the outlet 71 being positioned at fore-set 5 top backwater passage, enter into the upper chamber 4a of cavity 4, namely backwater is positioned at the top of filter 8, current can form certain surface tension in the filter bores 81 of filter, therefore current will need constant weight by the filter bores 81 of filter, because backwater amount is little, if water tank lacks water, only there is the underfed of backwater with by filter 8, backwater can be avoided so directly to pass through flowmeter, flowmeter can sense lack of water, on mechanical horse stop thus avoiding water pump always sky take out, again start after water tank topped up with water, water pump can normally work again.
Claims (8)
1. one kind is arranged on the joint on coffee maker block, comprise the joint body for being connected with the delivery port of water tank, joint body has the cavity (4) of an opening upwards, the center position of cavity (4) is provided with the fore-set (5) upwards extended, and joint body has the exhalant canal (6) and backwater channel (7) that are communicated with extraneous and cavity (4), it is characterized in that: in described cavity (4), be also provided with the filter (8) with filter bores (81), this filter (8) is set in fore-set (5) and goes up and cavity (4) is divided into upper chamber (4a) and lower cavity (4b) two parts, described exhalant canal (6) and backwater channel (7) are independently of one another, the import (61) of exhalant canal (6) is communicated with the lower cavity (4b) of cavity, described backwater channel (7) extends upwardly in fore-set (5), and the outlet (71) of backwater channel (7) is arranged on fore-set (5) sidewall and with the upper chamber (4a) of cavity and is communicated with.
2. the joint be arranged on coffee maker block according to claim 1, it is characterized in that: described joint body comprises sleeve (1), plug connector (2) and sealing ring (3), the top of the internal perisporium of sleeve (1) has the annular stopper (11) extended to inboard, plug connector (2) is plugged in sleeve (1), described cavity (4) is arranged on plug connector (2), and described sealing ring (3) is arranged between sleeve (1) and plug connector (2).
3. the joint be arranged on coffee maker block according to claim 2, it is characterized in that: the bottom center position of described cavity (4) is provided with recessed jack (41), described backwater channel (7) part be positioned on plug connector communicates with this jack (41), exhalant canal (6) then blocks each other with this jack (41), described fore-set (5) plug and close-fitting in this jack (41), the bottom of fore-set (5) has the breach (51) be communicated with the backwater channel be positioned on plug connector (7).
4. the joint be arranged on coffee maker block according to claim 3, it is characterized in that: the sidewall of described jack (41) is provided with stopper slot (42), the middle part of described fore-set (5) has the limited block (52) of outwardly convex, under the state that fore-set (5) is plugged in jack (41), described limited block (52) is positioned at stopper slot (42).
5. the joint be arranged on coffee maker block according to claim 2, it is characterized in that: described plug connector (2) both sides have outward extending installation portion (10), installation portion (10) has installing hole (101).
6. the joint be arranged on coffee maker block according to claim 2, it is characterized in that: the lower surface of described sleeve (1) has to downward-extension and spaced four elasticity card bases (12), the position, middle and lower part of described plug connector (2) outer peripheral face has the annular rib (9) of evagination, annular rib (9) is correspondingly provided with the locating hole (91) passed for described elasticity card base (12), in plug connector (2) insertion sleeve (1) under state, annular rib (9) is kept off with the outer face of sleeve (1) and being joined, described elasticity card base (12) and locating hole (91) block joins.
7. according to the described joint be arranged on coffee maker block arbitrary in claim 2 ~ 6, it is characterized in that: described sealing ring (3) has the upper surface and ringwise horizontal part (31) that can be shelved on plug connector (2), the inboard of this horizontal part (31) has to downward-extension and towards the ringwise rake (32) of outer incline, in plug connector (2) insertion sleeve (1) under state, described horizontal part is pressed between the upper surface of plug connector (2) and described annular stopper (11), there is gap X between rake (32) and cavity (4) inwall of plug connector simultaneously.
8. the joint be arranged on coffee maker block according to claim 7, it is characterized in that: described horizontal part (31) outside also has the vertical portion (33) to downward-extension, in plug connector (2) insertion sleeve (1) under state, described plug connector (2) perisporium is positioned between vertical portion (33) and rake (32), and the inner end of the outer peripheral face of plug connector (2) and vertical portion (33) is fitted, fit in the inner face of sleeve (1) in the outer face of vertical portion (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310073588.9A CN103110357B (en) | 2013-03-08 | 2013-03-08 | Connector installed on water tank seat of coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310073588.9A CN103110357B (en) | 2013-03-08 | 2013-03-08 | Connector installed on water tank seat of coffee machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103110357A CN103110357A (en) | 2013-05-22 |
| CN103110357B true CN103110357B (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310073588.9A Active CN103110357B (en) | 2013-03-08 | 2013-03-08 | Connector installed on water tank seat of coffee machine |
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| Country | Link |
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| CN (1) | CN103110357B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104997407B (en) * | 2015-07-31 | 2018-06-29 | 佛山市顺德区美的饮水机制造有限公司 | Intellectual head, water dispenser, bucket and drinking device |
| CN109419323B (en) * | 2017-08-31 | 2024-01-16 | 宁波方太厨具有限公司 | Water tank structure and steaming cooking equipment with same |
| CN110326973B (en) * | 2019-07-17 | 2021-04-02 | 宁波福特恩净水设备有限公司 | Underlying water dispenser and water-vapor separation box thereof |
| CN111904280A (en) * | 2020-08-10 | 2020-11-10 | 六安索伊电器制造有限公司 | Water tank assembly structure of coffee machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201360932Y (en) * | 2009-03-03 | 2009-12-16 | 景昱东 | Seal joint of water inlet of water tank |
| EP2263503A2 (en) * | 2009-06-15 | 2010-12-22 | Aquis Wasser-Luft-Systeme GmbH Lindau, Zweigniederlassung Rebstein | Tea preparation device with a water tank containing a water filter with hydrogen-type cation exchanger |
| CN101953639A (en) * | 2010-09-26 | 2011-01-26 | 广东新宝电器股份有限公司 | Coffee machine |
| CN201767534U (en) * | 2010-02-08 | 2011-03-23 | 明道煌 | Water circulation cushion |
| CN203153439U (en) * | 2013-03-08 | 2013-08-28 | 宁波三A集团电器有限公司 | Connector mounted on water tank base of coffee machine |
-
2013
- 2013-03-08 CN CN201310073588.9A patent/CN103110357B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201360932Y (en) * | 2009-03-03 | 2009-12-16 | 景昱东 | Seal joint of water inlet of water tank |
| EP2263503A2 (en) * | 2009-06-15 | 2010-12-22 | Aquis Wasser-Luft-Systeme GmbH Lindau, Zweigniederlassung Rebstein | Tea preparation device with a water tank containing a water filter with hydrogen-type cation exchanger |
| CN201767534U (en) * | 2010-02-08 | 2011-03-23 | 明道煌 | Water circulation cushion |
| CN101953639A (en) * | 2010-09-26 | 2011-01-26 | 广东新宝电器股份有限公司 | Coffee machine |
| CN203153439U (en) * | 2013-03-08 | 2013-08-28 | 宁波三A集团电器有限公司 | Connector mounted on water tank base of coffee machine |
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| CN103110357A (en) | 2013-05-22 |
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