CN107136939A - A kind of pipeline structure of coffee machine, the coffee machine with the pipeline structure and its method of work - Google Patents
A kind of pipeline structure of coffee machine, the coffee machine with the pipeline structure and its method of work Download PDFInfo
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- CN107136939A CN107136939A CN201710501347.8A CN201710501347A CN107136939A CN 107136939 A CN107136939 A CN 107136939A CN 201710501347 A CN201710501347 A CN 201710501347A CN 107136939 A CN107136939 A CN 107136939A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
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- Apparatus For Making Beverages (AREA)
Abstract
The present invention provides a kind of pipeline structure of coffee machine, and the hot water into pipeline structure can be back to water supplying unit by return flow line, so as to avoid the hot water of pipeline structure from spraying and injure user.The present invention also provides the method for work of coffee machine and the coffee machine with the pipeline structure simultaneously.
Description
Technical field
The present invention relates to apparatus for producing beverages field, more particularly, to a kind of pipeline structure of coffee machine, with the pipe
The coffee machine and its method of work of line structure.
Background technology
Traditional coffee machine generally includes coffee machine main body, the water supplying unit for being assembled to the coffee machine main body, brewing unit,
And for connecting the pipeline structure of water supplying unit and brewing unit.Brewing unit is partly or entirely detachably assemblied in coffee machine
Main body, brewing unit includes brew chamber and the lid being separably engaged with the opening of brew chamber, and lid is provided with brewing unit
Water inlet pipe.Pipeline structure is arranged between the water inlet pipe of brewing unit and water supplying unit so as to by the heat of the water supplying unit of coffee machine
Water is delivered to brewing unit.That is, the hot water of water supplying unit enters water inlet pipe by pipeline structure and passes through lid, finally enters punching
Bubble chamber.Because the pipeline structure of traditional coffee machine only has the half-duplex channel for being used for conveying hot water, therefore from water supplying unit
Hot water be delivered to by pipeline structure during brewing unit, if brewing unit be removed either brewing unit lid
It is removed, then the hot water or vapor in pipeline structure can be sprayed, and user may be damaged.
The content of the invention
In order to overcome the deficiencies in the prior art, first purpose of the invention is the pipeline knot for providing a kind of coffee machine
Structure, this pipeline structure not only has transfer passage, also with return flow line, and allows switching transfer passage and return flow line
Working condition.Therefore this pipeline structure is used not only for conveying hot water to the brewing unit of coffee machine, can be used for pipe
Hot water return in line structure is to water supplying unit.
To achieve the above object there is provided the water supplying unit and brewing unit for connecting coffee machine, so as to by coffee machine
The delivery of water supplying unit is to brewing unit, and the pipeline structure is attached in coffee machine by mounting assembly, the pipeline
Structure includes the first conduit, the second conduit and the conduit connecting seat that can be connected with the first conduit and the second conduit, the conduit
Connecting seat has connecting seat inner chamber and the elastic parts in connecting seat inner chamber, and the connecting seat inner chamber, which is formed, has first passage
The first passage of mouth, the second channel with second channel mouthful and the third channel with third channel mouthful, the first passage
Connect to form transfer passage with third channel, the first passage connects to form return flow line with second channel, described first leads
Pipe is connected by first passage mouthful with first passage, and second conduit is connected by second channel mouthful with second channel, and the 3rd
Passway is used to accommodate the water inlet pipe of brewing unit to connect the water inlet pipe and the third channel, the elastic parts bag
The barrier element being resiliently arranged in connecting seat inner chamber is included, the barrier element is configured to first in connecting seat inner chamber
Moved between position and the second place so that when barrier element is located at the first position, the transfer passage is switched on simultaneously
And the return flow line is cut off；When barrier element is located at the second place, the transfer passage is cut off and described
Return flow line is switched on.
In this scheme, during using pipeline structure conveying hot water, when barrier element is moved to first position,
Because transfer passage is switched on and return flow line is cut off, therefore the water from water supplying unit can flow through first successively and lead
Pipe, the first passage of conduit connecting seat, third channel are so as to supplied to brewing unit, when barrier element is located at the second place
When, because transfer passage is cut-off and return flow line is switched on, therefore can be logical by backflow into the hot water of pipeline structure
Road is back to water supplying unit, so as to avoid the hot water of pipeline structure from spraying and injure user.In addition, in this programme, for defeated
Return flow line can be switched on while sending the passage to be cut off, therefore also avoid transfer passage when cut-off, pipeline structure due to
Hot water can not discharge timely discharge, cause loine pressure to increase.Accordingly, it is capable to avoid pipeline structure because pressure is excessive and burst.
In one embodiment, the first position is the position that crosses of first passage, second channel and third channel,
The second place is the position where first passage mouthful, and the elastic parts also includes elastic component, and the barrier element passes through
Elastic component is arranged in connecting seat inner chamber, and is configured to along first passage between first passage mouthful and the position that crosses
It is mobile.When barrier element crosses position described in, first passage mouthful and second channel are separated, and transfer passage is switched on simultaneously
And return flow line is cut off；When barrier element is located at first passage mouthful, first passage mouthful is blocked, and transfer passage is cut off simultaneously
And return flow line is switched on.
In one embodiment, the barrier element has rounded ends, and the rounded ends are provided with along the resistance
The annular wall of element axial direction extension is kept off, the annular wall defines the inner chamber of barrier element, and the inner chamber is accommodated can be described
Elastic component.When barrier element is by axial direction downward power, the elastic component is compressed, and barrier element is in axial direction
Move down, when the in axial direction downward power reduces or disappeared, the barrier element is anti-in the presence of elastic component
Move in direction.
In one embodiment, it is the moving direction of further limitation barrier element, the rounded ends are additionally provided with
The axle portion extended along the axial direction of barrier element, the axle portion is located in the inner chamber of the barrier element, the elastic component
Provided with hollow space, the axle portion can be stretched into the hollow space.
In one embodiment, the first passage mouthful is provided with seal, and the seal radial is provided inwardly with stop
Shoulder so that barrier element abuts the stop shoulder when being moved to first passage mouthful.The seal is used for first passage
The water inlet of mouth and the brewing unit is connected and sealed.The stop shoulder helps to prevent barrier element movement to hinder
Gear element is positioned at first passage mouthful, prevents barrier element to be moved out of first passage mouthful in the presence of elastic component.
Second object of the present invention is to provide a kind of coffee machine with the pipeline structure.This coffee machine can be with
When the lid for being removed either brewing unit in brewing unit is removed, the hot water in pipeline structure or vapor spray are prevented
Go out, it is to avoid user is damaged.
To achieve the above object there is provided a kind of coffee machine with the pipeline structure, the coffee machine includes coffee machine
Main body, the water supplying unit and the brewing unit for being assembled to the coffee machine main body, the water supplying unit include being arranged on this
Water tank, heater in coffee machine main body and the water tank connection component for connecting the water tank and the heater, institute
State brewing unit and be partly or entirely detachably assemblied in coffee machine main body, the brewing unit include brew chamber and with brew chamber
Be open the lid being separably engaged, and the lid is provided with the water inlet pipe of the brewing unit, and first conduit adds with described
Thermal is connected, and second conduit connects with the water tank, and the water inlet pipe of the brewing unit is by the lid with brewing
Room is connected, and the water inlet pipe can insert the third channel mouthful and be connected with the third channel of conduit connecting seat.
Coffee machine in this programme is arranged in brewing unit in coffee machine main body and the opening of lid and brew chamber connects
During conjunction, in water inlet pipe insertion third channel, therefore water inlet pipe promotes barrier element to be pushed to first from the second place by water inlet pipe
Position, now, the transfer passage is switched on and the return flow line is cut off, therefore the water in the water supplying unit of coffee machine
Brewing unit can be delivered to by pipeline structure；When water inlet pipe is separated with third channel, it is resiliently arranged in connecting seat inner chamber
Barrier element can be reset to the second place, the transfer passage is cut off and the return flow line is switched on.Therefore
Water supplying unit can be back to by return flow line into the water in pipeline structure, so as to prevent hot water or water in pipeline structure from steaming
Gas blowout goes out, it is to avoid user is damaged.
In one embodiment, the water tank connection component includes water guide stand, and the water guide stand is provided with water guide stand first
Interface, water guide stand second interface and the interface of water guide stand the 3rd, the water guide stand first interface respectively with water guide stand second interface,
With the orifice of water guide stand the 3rd, the water guide stand is connected by water guide stand first interface with the water tank, and the water guide stand leads to
Cross water guide stand second interface to be connected with first conduit, the water guide stand passes through the interface of water guide stand the 3rd and the heater
Connection, is provided with switching device at the water guide stand first interface, and the switching device is used to cutting off or connect the water guide stand the
One interface and the flow-guiding channel of heater formation.
In one preferred embodiment, the switching device includes being arranged on the valve and valve at water guide stand first interface
Ball.
In one embodiment, water tank includes tank box, the water for covering water tank opening with water tank opening
Case lid body, the tank box bottom is provided with tank outlet.
Third object of the present invention is to provide a kind of method of work of the coffee machine.The method of work of the coffee machine
Comprise the following steps：A. when the water inlet pipe of brewing unit inserts the third channel mouthful of the conduit connecting seat, the conveying is led to
Road is switched on and the return flow line is cut off, and after the water in water tank is heated by heater, described first is led successively
Pipe, the first passage of conduit connecting seat, the third channel of conduit connecting seat, the water inlet pipe of brewing unit, finally enter brew chamber；
B. when the water inlet pipe of brewing unit is separated with the third channel mouth of the conduit connecting seat, the transfer passage of the conduit connection
It is cut off and the return flow line is switched on, the water from water tank and the first passage for entering conduit connecting seat flows successively
Enter second channel, the second conduit, last reflow tank.
The beneficial effects of the present invention are：The pipeline structure of the present invention by with transfer passage and return flow line, and
Allow the working condition for switching transfer passage and return flow line so that when transfer passage is switched on and return flow line is cut off,
It can be used for conveying hot water to the brewing unit of coffee machine, furthermore such that when transfer passage is closed and return flow line is cut
It is disconnected, therefore water supplying unit can be back to by return flow line into the hot water of pipeline structure, so as to avoid the heat of pipeline structure
Water sprays and injures user.In addition, in this programme, return flow line can be switched on while being cut off for transfer passage, because
This is also avoided transfer passage when cut-off, and pipeline structure can not discharge timely discharge due to hot water, cause loine pressure to increase.
Accordingly, it is capable to avoid pipeline structure because pressure is excessive and burst.Similarly, the coffee machine with pipeline structure can lid with
, can be logical by backflow by the water in pipeline structure during the opening separation of brew chamber or when brewing unit is separated with coffee machine main body
Road is back to water supplying unit, so as to prevent hot water or vapor in pipeline structure from spraying, it is to avoid user is damaged.
Brief description of the drawings
Fig. 1 is the pipeline structure and the blast knot of the coffee machine part coordinated with it of the coffee machine of one embodiment of the invention
Composition.
Fig. 2 is the cross section structure diagram of the coffee machine of one embodiment of the invention.
Fig. 3 is another cross section structure diagram of the coffee machine of one embodiment of the invention.
Fig. 4 is the partial structural diagram of part A in Fig. 2.
Fig. 5 is the partial structural diagram of part B in Fig. 3.
Fig. 6 is the structural representation of the barrier element of one embodiment of the invention.
Fig. 7 is the partial structural diagram of the coffee machine of one embodiment of the invention.
Fig. 8 is the structural blast schematic diagram of the water tank connection component of the coffee machine of one embodiment of the invention.
Fig. 9 is the coffee machine partial structural diagram of one embodiment of the invention.
Figure 10 is the structural blast schematic diagram of water tank in one embodiment of the invention.
Embodiment
With reference to embodiment, the present invention is further illustrated.
A kind of pipeline structure of coffee machine and the coffee machine with the pipeline structure are shown in Figure of description.As schemed
Shown in 1-10, a kind of pipeline structure of coffee machine of the invention, for connect the water supplying unit and brewing unit of coffee machine so as to
By the delivery of the water supplying unit of coffee machine to brewing unit.Referring to Fig. 1-5, the pipeline structure is installed by mounting assembly
To coffee machine, the mounting assembly is located in coffee machine main body, and it includes mounting seat 44, and the pipeline structure passes through screw
41 are fixed in mounting seat 44.The pipeline structure includes the first conduit 412, the second conduit 413 and can be with the first conduit 412
The conduit connecting seat 410 connected with the second conduit 413.The conduit connecting seat 410 has connecting seat inner chamber and in connecting seat
Elastic parts in chamber, the connecting seat inner chamber forms first passage 416, second channel 417 and third channel 418, and described the
One passage 416 is connected to form transfer passage with third channel 418, and the first passage 416 is connected with second channel 417 to be formed back
Circulation road.The first passage 416, second channel 417 and third channel 418 have the first passage mouthful connected with inner chamber respectively
419th, second channel mouthful 420 and third channel mouthful 421, first conduit 412 pass through first passage mouthful 419 and first passage
416 connections, the first conduit 412 can be fixed on first passage mouthful 419 by jump ring 41；Passed through by second conduit 413
Second channel mouthful 420 is connected with second channel 417.Second conduit 413 and the third channel mouth 421 is used to accommodate brewing unit
Water inlet pipe 521 to connect the water inlet pipe 521 and the third channel 418.The elastic parts includes barrier element 480
With spring 490, barrier element 480 has rounded ends 481, and the rounded ends 481 are provided with along the axle of barrier element 480
The annular wall 482 extended to direction, the annular wall defines the inner chamber 483 of barrier element, and the inner chamber 483 can accommodate spring
490.The rounded ends 481 are additionally provided with the axle portion 484 along the axial direction of barrier element.The first passage 416, second
Passage 417 and third channel 418 vertically extend, and first passage 416 is set side by side in the horizontal direction with second channel 417
Put and boss 422 is formed between both.The third channel 418 is upwardly extended at boss 422.The side shape of boss 422
Into the first breach 423 of connection first passage 416 and second channel 417, the opposite side of boss 422 formation connection first passage 416
With the second breach 424 of third channel 418.The spring 490 is arranged in third channel 418, and barrier element 480 is set in the
In triple channel 418, axle portion 482 stretches into the hollow space of spring 490.First passage mouthful 419 is embedded with lip ring 47, described
Seal 470 is radially-inwardly provided with stop shoulder 471 so that barrier element 480 abuts described when being moved to first passage mouthful 419
Stop shoulder 471.
Referring to Fig. 2, Fig. 3 and Fig. 7, the coffee machine includes coffee machine main body, is assembled to the water supply list of the coffee machine main body
First and described brewing unit, the water supplying unit is including the water tank 1 being arranged in the coffee machine main body, heater 2 and is used for
The water tank connection component of the water tank 1 and the heater 2 is connected, the brewing unit is partly or entirely detachably assemblied in
Coffee machine main body, the brewing unit includes brew chamber and the lid 52 being separably engaged with the opening of brew chamber, the lid
Body 52 is provided with the water inlet pipe 521 of the brewing unit.In the present embodiment, first conduit 412 by the first connecting tube 414 with
The heater connection, second conduit 413 is connected by the second connecting tube 415 with the water tank 1, the brewing unit
Water inlet pipe 521 connected by the lid 52 with brew chamber, the water inlet pipe 521 can insert the third channel mouthful 421 with
The third channel 418 of conduit connecting seat is connected.In other embodiments, according to actual needs, the first connecting tube can be not provided with
414 and/or second connecting tube 415, and directly the first conduit 412 is connected with heater and/or by second conduit 413
It is connected with the water tank 1, water inlet pipe 521 is connected by the lid 52 with brew chamber.
Referring to Fig. 2, Fig. 4 and Fig. 7, when brewing unit is arranged in coffee machine main body and lid 52 and the opening of brew chamber
During engagement, in the insertion third channel 418 of water inlet pipe 521, rounded ends 481 and the water inlet pipe 521 of the barrier element 480 are supported
Connect, therefore barrier element 480 is pushed to the first passage 416, second channel 417 by water inlet pipe 521 from first passage mouthful 419
With third channel 418 cross position and block the second breach 424, while spring 490 is compressed.Now, the first passage
416 transfer passages that formation is connected with third channel 418 are switched on and first passage 416 connects formation with second channel 417
Return flow line be cut off.
Referring to Fig. 3, Fig. 5 and Fig. 7 when brewing unit is removed or lid 52 and the opening of brew chamber from coffee machine main body
During separation, water inlet pipe 521 is pulled out first passage 416, barrier element 480 due under the elastic force effect of spring 490 from along first
Passage 416 is moved to first passage mouthful 419 and abuts stop shoulder 471.Therefore, third channel mouthfuls 421 is blocked element 480 and blocked up
Plug and the second breach 425 is opened.Now, the transfer passage is cut off and the return flow line is switched on.
Referring to Fig. 8-10, the water tank connection component includes water guide stand 22, and the water guide stand 22 connects provided with water guide stand first
Mouthfuls 221, water guide stand second interface 222 and the interface 223 of water guide stand the 3rd, the water guide stand by water guide stand first interface 221 with
The water tank 1 is connected.The water guide stand 22 is connected by water guide stand second interface 222 with the heater, the water guide stand
22 are connected by the interface 223 of water guide stand the 3rd with the second connecting tube 415, and then are connected with second conduit 415, the water guide
Provided with check valve 224 and unidirectional valve ball 225 at seat first interface 221.Water guide stand is additionally provided with the middle of water guide stand first interface 221
Projection.Heater includes heating tube 310, is connected between heating tube 310 and water guide stand second interface 222 with silicone tube 226.
The water tank 1 includes tank box 11, the water tank lid 12 for covering water tank opening with water tank opening.Water
Tank seal circle 13 is set between box body 11 and water tank lid 12.The bottom of tank box 11 is provided with tank outlet 111.The water
Water tank spring 14 and water tank water stopping valve 15 are provided with case outlet 111, water tank spring 14 is set on water tank water stopping valve 15.Water guide
Seat first interface 221 is connected with tank outlet 111, and sealing is set between water guide stand first interface 221 and the tank outlet 111
Circle 21 is sealed.
When water tank 1 is attached in coffee machine main body, the jack-up water tank water stopping valve 15 of water guide stand projection causes water tank water stopping
Gap is formed between valve 15 and tank box 11, therefore, the water in water tank can connect along water guide stand first is flowed into by the gap
Mouth 221.When check valve 224 is opened and water inlet pipe 521 inserts first passage 416, the water in water tank is flowed through successively
Water guide stand first interface 221, water guide stand second interface 222, silicone tube 311, heating tube 310, the first connecting tube 414, first are led
Pipe 412, first passage 416, third channel 418, water inlet pipe 521 simultaneously eventually enter into brew chamber（Now water flow direction as Fig. 7 arrow
Shown in head C）.And when water inlet pipe 521 is detached from first passage 416, first passage mouthfuls 419 be blocked element 480 block and
Second breach 424 is opened, therefore, and the water of first passage 416 is entered from water tank and by multiple parts, then passes through second
Breach 424 flows into second channel 417, and sequentially passes through the second connecting tube 415, the interface 223 of water guide stand the 3rd, water guide stand first and connect
Mouth 221 and final reflow tank 1（Now the flow direction of water is as shown in Fig. 7 arrow D）.
The method of work of the coffee machine of the present embodiment, comprises the following steps：
A. when the water inlet pipe 521 of brewing unit inserts the third channel mouthful 421 of the conduit connecting seat 410, the conveying is led to
Road is switched on and the return flow line is cut off, and after the water in water tank 1 is heated by heater, described first is led successively
Pipe 412, the first passage 416 of conduit connecting seat 410, the third channel 418 of conduit connecting seat 410, the water inlet pipe of brewing unit
521st, brew chamber is finally entered；B. when the water inlet pipe 521 and the third channel mouthful 421 of the conduit connecting seat 410 of brewing unit
During separation, the transfer passage of the conduit connecting seat 410 is cut off and the return flow line is switched on, described to come from water
The water of the first passage 416 of case 1 and entrance conduit connecting seat 410 flows into second channel 417, the second conduit 413 successively, finally flows
Recovery tank 1.
Claims (10)
1. a kind of pipeline structure of coffee machine, water supplying unit and brewing unit for connecting coffee machine, so as to by coffee machine
The delivery of water supplying unit is to brewing unit, and the pipeline structure is attached in coffee machine by mounting assembly, and its feature exists
In the pipeline structure includes the first conduit（412）, the second conduit（413）And can be with the first conduit（412）With the second conduit
（413）The conduit connecting seat of connection（410）, the conduit connecting seat（410）With connecting seat inner chamber and in connecting seat inner chamber
Elastic parts, the connecting seat inner chamber, which is formed, has first passage mouthful（419）First passage（416）, with second channel
Mouthful（420）Second channel（417）With with third channel mouthful（421）Third channel（418）, the first passage（416）
Connected with third channel（418）Form transfer passage, the first passage（416）And second channel（417）Connection forms backflow
Passage, first conduit（412）Pass through first passage mouthful（419）With first passage（416）Connection, second conduit
（413）Pass through second channel mouthful（420）With second channel（417）Connection, third channel mouthful（421）For accommodating brewing unit
Water inlet pipe（521）To connect the water inlet pipe（521）With the third channel（418）, the elastic parts sets including elasticity
Put the barrier element in connecting seat inner chamber（480）, the barrier element（480）It is configured in connecting seat inner chamber
Moved between one position and the second place so that work as barrier element（480）During positioned at the first position, the transfer passage quilt
Connect and the return flow line is cut off；Work as barrier element（480）During positioned at the second place, the transfer passage is cut
Disconnected and described return flow line is switched on.
2. pipeline structure according to claim 1, it is characterised in that the first position is first passage（416）, second
Passage（417）And third channel（418）The position that crosses, the second place is first passage mouthful（419）The position at place, institute
Stating elastic parts also includes elastic component（490）, the barrier element（480）Pass through elastic component（490）It is arranged on connecting seat inner chamber
In, and be configured to along first passage（416）In first passage mouthful（419）Moved between the position that crosses.
3. pipeline structure according to claim 2, it is characterised in that the barrier element（480）With rounded ends
（481）, the rounded ends（481）It is provided with along the barrier element（480）The annular wall of axial direction extension（482）, institute
State annular wall（482）Define barrier element（480）Inner chamber（483）, the inner chamber（483）The elastic component can be accommodated
（490）.
4. pipeline structure according to claim 3, it is characterised in that the rounded ends（481）It is additionally provided with along stop
Element（481）Axial direction extension axle portion（484）, the axle portion（484）Positioned at the barrier element（480）Inner chamber
（483）In, the elastic component（490）Provided with hollow space, the axle portion（484）It can stretch into the hollow space.
5. pipeline structure according to claim 2, it is characterised in that the first passage mouthful（419）Provided with seal
（47）, the seal（47）Radially-inwardly it is provided with stop shoulder（471）So that barrier element（480）It is moved to first passage
Mouthful（419）When abut the stop shoulder（471）.
6. a kind of coffee machine of the pipeline structure with as described in claim any one of 1-5, the coffee machine includes coffee machine
Main body, the water supplying unit and the brewing unit for being assembled to the coffee machine main body, the water supplying unit include being arranged on this
Water tank in coffee machine main body（1）, heater and for connecting the water tank（1）With the water tank connection group of the heater
Part, the brewing unit is partly or entirely detachably assemblied in coffee machine main body, the brewing unit include brew chamber and with punching
The lid that the opening of bubble chamber is separably engaged（52）, the lid（52）Water inlet pipe provided with the brewing unit（521）, its
It is characterised by, first conduit（412）Connected with the heater, second conduit（413）With the water tank（1）Even
It is logical, the water inlet pipe of the brewing unit（521）Pass through the lid（52）Connected with brew chamber, the water inlet pipe（521）It can insert
Enter the third channel mouthful（421）With conduit connecting seat（410）Third channel（418）Connection.
7. coffee machine according to claim 6, it is characterised in that the water tank connection component includes water guide stand（22）, institute
Water guide stand is stated provided with water guide stand first interface（221）, water guide stand second interface（222）And the interface of water guide stand the 3rd（223）, institute
Water guide stand first interface（221）Respectively with water guide stand second interface（222）And the interface of water guide stand the 3rd（223）Connection, it is described to lead
Water seat（22）Pass through water guide stand first interface（221）With the water tank（1）Connection, the water guide stand（22）Pass through water guide stand second
Interface（222）With first conduit（412）Connection, the water guide stand（22）Pass through the interface of water guide stand the 3rd（223）With it is described
Heater is connected, the water guide stand first interface（221）Place is provided with switching device, and the switching device is used to cut off or connect
The water guide stand first interface（221）With the flow-guiding channel of heater formation.
8. coffee machine according to claim 7, it is characterised in that the switching device connects including being arranged on water guide stand first
Valve at mouthful（224）And valve ball（225）.
9. coffee machine according to claim 6, it is characterised in that water tank（1）Including the tank box with water tank opening
（11）, water tank lid for covering water tank opening（12）, the tank box（11）Bottom is provided with tank outlet（111）.
10. the method for work of a kind of coffee machine according to claim any one of 6-9, it is characterised in that including following step
Suddenly：A. when the water inlet pipe of brewing unit（521）Insert the conduit connecting seat（410）Third channel mouthful（421）When, it is described defeated
Send passage to be switched on and the return flow line is cut-off, from water tank（1）In water heated by heater after, it is described successively
First conduit（412）, conduit connecting seat（410）First passage（416）, conduit connecting seat（410）Third channel（418）、
The water inlet pipe of brewing unit（521）, finally enter brew chamber；B. when the water inlet pipe of brewing unit（521）It is connected with the conduit
Seat（410）Third channel mouthful（421）During separation, the conduit connecting seat（410）The transfer passage be cut off and institute
Return flow line is stated to be switched on, it is described to come from water tank（1）And enter conduit connecting seat（410）First passage（416）Water successively
Flow into second channel（417）, the second conduit（413）, last reflow tank（1）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501347.8A CN107136939B (en) | 2017-06-27 | 2017-06-27 | Pipeline structure of coffee machine, coffee machine with pipeline structure and working method of coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501347.8A CN107136939B (en) | 2017-06-27 | 2017-06-27 | Pipeline structure of coffee machine, coffee machine with pipeline structure and working method of coffee machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107136939A true CN107136939A (en) | 2017-09-08 |
| CN107136939B CN107136939B (en) | 2023-04-07 |
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| CN201710501347.8A Active CN107136939B (en) | 2017-06-27 | 2017-06-27 | Pipeline structure of coffee machine, coffee machine with pipeline structure and working method of coffee machine |
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| US20040244600A1 (en) * | 2003-06-06 | 2004-12-09 | Seb S.A. | Filter coffee maker with distribution of hot water in the lid |
| CN201806532U (en) * | 2010-09-02 | 2011-04-27 | 广东新宝电器股份有限公司 | Hot water reflux device of coffee machine |
| CN201855137U (en) * | 2010-09-10 | 2011-06-08 | 广东新宝电器股份有限公司 | Hot water backflow structure of coffee machine |
| CN102512078A (en) * | 2011-12-19 | 2012-06-27 | 广东新宝电器股份有限公司 | Three-way valve device of pressure type coffee machine |
| CN102626290A (en) * | 2012-04-06 | 2012-08-08 | 柴华娣 | Valve structure for backwater adjustable coffee machine |
| CN103932593A (en) * | 2014-04-23 | 2014-07-23 | 广东新宝电器股份有限公司 | Coffee brewing device |
| CN105725808A (en) * | 2015-04-28 | 2016-07-06 | 周林斌 | Coffee maker capable of grinding coffee beans and working method of coffee maker |
| CN208002644U (en) * | 2017-06-27 | 2018-10-26 | 广州康宏科技股份有限公司 | A kind of pipeline structure of coffee machine and the coffee machine with the pipeline structure |
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| CN107136939B (en) | 2023-04-07 |
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