CN202234842U - Four-channel transfer valve on coffee making machine - Google Patents
Four-channel transfer valve on coffee making machine Download PDFInfo
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- CN202234842U CN202234842U CN2011203636171U CN201120363617U CN202234842U CN 202234842 U CN202234842 U CN 202234842U CN 2011203636171 U CN2011203636171 U CN 2011203636171U CN 201120363617 U CN201120363617 U CN 201120363617U CN 202234842 U CN202234842 U CN 202234842U
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- valve rod
- sealing ring
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- pressure release
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Abstract
The utility model relates to a four-channel transfer valve on a coffee making machine, which is characterized by a valve housing wherein a first channel, a second channel, and a transitional channel are arranged; also on the valve housing are provided an inlet, a first outlet, a second outlet and a pressure releasing port. A pressure releasing valve rod is arranged inside the second channel wherein a pressure releasing spring is also arranged; when the pressure releasing rod moves backwardly, the pressure releasing port is to be opened. A transfer valve rod is arranged inside the first channel wherein a spring is also arranged. A switching turn button is rotatably arranged on the end face of the valve housing; the end face of the switching turn button is provided with a cam with transverse plane; the outer end of the switching turn button is provided with a push part. By making the switching button drive the pressure releasing rod and the transfer valve rod to move forwardly and backwardly, the inlet of the coffee making machine is selectively connected only with the first outlet, the second outlet or the pressure releasing port, therefore, achieving three working states, which, to be more specific when applied to a coffee making machine, means that three processes, water discharge from released pressure, water discharge from coffee making and milk foam and steam making can be achieved with one valve. Further, the valve is simple and convenient to operate and low cost to make as well.
Description
Technical field
The utility model relates to a kind of coffee machine and uses four-way switching valve.
Background technology
Coffee machine need set out water one-way valve in the exit of coffee machine water supply installation for the hot water that obtains certain pressure extracts coffee pads.Like a patent No. is a kind of outlet valve so the Chinese utility model patent " the outlet valve device of coffee machine " of ZL201020194608.X (notification number is CN201734539U) has disclosed.
Coffee machine all need carry out pressure release after having boiled coffee, boiled the pressure in the extraction chamber after the coffee with elimination, therefore need relief valve be set in the exit of coffee machine water supply installation.Like a patent No. is a kind of relief valve so the Chinese utility model patent " the relief valve device of coffee machine " of ZL201020206872.0 (notification number is CN201719074U) has disclosed.
Along with the development of coffee machine technology, the coffee machine that has has the function that brews the milk foam, so its vaporium exit at coffee machine is provided with steam valve, the steam of vaporium generation is derived and be used to infuse coffee and milk.Like a patent No. is a kind of steam valve the Chinese utility model patent " steam converting valve of coffee machine " of ZL200920351478.3 (notification number is CN201641619U) has disclosed.
The coffee machine that now also has is combined the formation transfer valve with relief valve and outlet valve; Simplifying valve arrangement, be a kind of knockdown switch valve structure the Chinese utility model patent " automatic valve in use for water supply apparatus of coffee maker " of ZL200620139960.7 (notification number is CN200979027Y) has disclosed like a patent No..
The present rarely seen on the market transfer valve that Inlet and outlet water, pressure release is arranged simultaneously and beat steam function, the electromagnetic valve structure that also just adopts that has realizes that the magnetic valve cost of manufacture is very expensive, is difficult for promoting.
Summary of the invention
The utility model technical problem to be solved is to provide a kind of coffee machine that has Inlet and outlet water, pressure release simultaneously and beat steam function to use four-way switching valve to above-mentioned prior art present situation, and it has simple and reasonable easy to operate advantage.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of coffee machine is used four-way switching valve; It is characterized in that: comprise valve casing; Have first passage and second channel in it; And the transition passage of connection first passage and second channel, have the import, first outlet and second outlet that are communicated with said first passage on the valve casing, and the pressure relief opening that is communicated with second channel; The pressure release valve rod; Be located in the second channel and slippage before and after the ability; The front end of pressure release valve rod exposes outside valve casing for driving, also is provided with the pressure release spring that makes the pressure release valve rod keep reach and close the trend of pressure relief opening in the second channel, moves behind the pressure release valve rod and then opens pressure relief opening; Switch valve rod, be located in the first passage and slippage before and after the ability, also be provided with in the first passage to make and switch the spring that valve rod keeps reach trend; Under the switching valve rod mediates state; Switch valve rod and block being communicated with of import and first outlet and second outlet simultaneously, switching under the state that valve rod moves forward, said import only exports and is communicated with first; Switching under the state that moves behind the valve rod, said import only is communicated with second outlet; Switch knob rotatably is located on the valve casing end face and is closed on the leading section of aforementioned switching valve rod, can drive the edge cam that moves behind the switching valve rod when having rotation on the end face near the switch knob that switches valve rod, and the switch knob outer end has the pushing part; Under the state of switch knob in the middle of rotating to, conflict with the pressure release valve rod that exposes and also promote to move behind the pressure release valve rod in said pushing part, simultaneously the said switching valve rod state that mediates; Rotate at switch knob under the state of a side or opposite side, the pressure release valve rod that exposes is left in said pushing part, and said switching valve rod is in reach or retrude.
Only be provided with in the above-mentioned first passage can before and after the slide block of slippage; The rear end of slide block is supported with the front end that switches valve rod and is established; The outer end of slide block is provided on the cam ramp of said edge cam; And can slippage backward under the driving of cam ramp; In the shoulder hole of the said first passage front end of middle part inserting of switch knob rear end and the interface of the two be provided with sealing ring, the perimembranous of switch knob rear end forms the Elastic buckle that a plurality of circle spacings are provided with, this Elastic buckle snaps onto on the outer convex shoulder of said valve casing lateral wall.
Switch valve rod and be associated with switch knob through slide block, can simplify the structure of switching valve rod like this, assembling is simpler simultaneously.Certainly switching valve rod also can directly be associated with switch knob.
The internal perisporium of above-mentioned first passage forms pre-and post perforative straight trough, forms cutting on the lateral wall of said slide block, said cutting be positioned at said straight trough and can before and after slippage, the front end of cutting exposes outside straight trough and sets with the cam ramp of said edge cam.Cooperate with the guiding of straight trough through transplanting a cutting, slide block can only the front and back slippage be carried out and can not rotate, slide block can be positioned on the cam ramp of edge cam better like this, guarantees that better the stable action switching can be by steady location.
Above-mentioned straight trough respectively has two with transplanting a cutting, and the cam ramp of said edge cam has two, and these two cam ramp surround the annular wall shape, and the top of these two cam ramp forms the limited block that exceeds said cam ramp.Because transplanting a cutting has two, it is more steady that slide block receives the promotion of cam ramp.
As improvement; The front end face bottom of above-mentioned valve casing has three location pits; The bottom of said switch knob is provided with the backstay that is the dome shape that matches with pit by the end; This backstay is kept exposing the trend that the front end face with valve casing holds by support spring, under the state in the middle of switch knob rotates to, the head of said backstay inserts the pit in the middle of being positioned at; Rotate at switch knob under the state of a side or opposite side, the head of said backstay inserts one of them respective dimple that is positioned at both sides.Through the location of pit and backstay, can promote our switch knob and rotate to certain operating position, operating handle is better, plays certain assist location effect to switch knob in addition.
For ease of assembling and die sinking, above-mentioned valve casing is made up of main valve body, top connection and lower contact; Said top connection is fixed on the top of main valve body, in the hole of the middle part inserting upper part of the main valve body of the rear end of top connection and the interface of the two be provided with sealing ring, said second channel is formed in main valve body and the top connection, said pressure relief opening is arranged in the top connection; Said lower contact is fixed on the bottom of main valve body; In the hole of the inserting main valve body bottom, middle part of the front end of lower contact and the interface of the two be provided with sealing ring; Said first passage is formed in main valve body and the lower contact; The said import and second outlet are arranged on the main valve body, and said first outlet is arranged in the lower contact.Can earlier each valve rod be installed on the main valve body like this, and then top connection and lower contact are fixed, just accomplish and install.
The sealing ring and the first back sealing ring before the front and rear part of above-mentioned pressure release valve rod is embedded with first respectively; Said pressure relief opening before first sealing ring and first the back sealing ring between; Form liquid sealing between the inner hole wall of sealing ring and top connection before said first and cooperates, under the state of pressure release valve rod reach, sealing ring cooperates with the import maintenance liquid sealing of top connection after said first; Under the state that moves behind the pressure release valve rod, the first back sealing ring leaves the import of top connection.It opens or closes the concrete mode of pressure relief opening for the pressure release valve rod through moving forward and backward realization.
The sealing ring and the second back sealing ring before the front and rear part of above-mentioned switching valve rod is embedded with second respectively, first passage has omoplate in the annular, and omoplate is between the import and second outlet in this annular; Mediate under the state switching valve rod, before said second in sealing ring and the annular inner peripheral surface of omoplate form liquid sealing and cooperate, sealing ring cooperates with the inner hole wall formation liquid sealing of lower contact after second; Under the state that switches the valve rod reach, the second preceding sealing ring forms liquid sealing with the inner peripheral surface of the interior omoplate of annular and cooperates, and the second back sealing ring breaks away from the endoporus of lower contact forward; Switching under the state that moves behind the valve rod, the said second preceding sealing ring breaks away from omoplate in the annular backward, and the second back sealing ring forms liquid sealing with the inner hole wall of lower contact and cooperates.It is to switch valve rod through moving forward and backward the realization import and first outlet and the second outlet conducting whether concrete mode, and valve rod need not to offer concrete interface channel in switching valve rod inside, makes that the switching stem structure is more simple, easy to process.
Compared with prior art; The advantage of the utility model is: drive the pressure release valve rod and switch moving forward and backward of valve rod through switch knob, thereby realize import optionally only with being communicated with of first outlet, second outlet and pressure relief opening, so it has three duties; Specifically be used for just realizing the pressure release water outlet respectively behind the coffee machine, make coffee water outlet and milk foam beat steam course; Realize multi-purpose valve, and simple to operate light, and overall construction design is reasonable in addition; Be the mechanical valve structure again, cost is low.
Description of drawings
Fig. 1 is the perspective view (valve rod reach state is closed, switched to the pressure release valve rod) of the utility model embodiment;
Fig. 2 is the structure cutaway view (valve rod reach state is closed, switched to the pressure release valve rod) of the utility model embodiment;
Fig. 3 is the perspective view (the valve rod intermediateness is opened, switched to the pressure release valve rod) of the utility model embodiment;
Fig. 4 is the structure cutaway view (the valve rod intermediateness is opened, switched to the pressure release valve rod) of the utility model embodiment;
Fig. 5 is the perspective view (the valve rod retrude is closed, switched to the pressure release valve rod) of the utility model embodiment;
Fig. 6 is the structure cutaway view (the valve rod retrude is closed, switched to the pressure release valve rod) of the utility model embodiment;
Fig. 7 is the scheme of installation of slide block among the utility model embodiment;
Fig. 8 is the perspective view of switch knob among the utility model embodiment;
Fig. 9 is the perspective view of main valve body among the utility model embodiment;
Figure 10 is the perspective view of slide block among the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Shown in Fig. 1～10, be a preferred embodiment of the utility model.
A kind of coffee machine is used four-way switching valve, comprises
Pressure release valve rod 5; Be located in the second channel 3 and slippage before and after the ability; The front end of pressure release valve rod 5 exposes outside the top connection 12 of valve casing 1 for driving; Also be provided with the pressure release spring 53 that makes pressure release valve rod 5 keep reach and close the trend of pressure relief opening 121 in the second channel 3, move behind the pressure release valve rod 5 and then open pressure relief opening 121; The sealing ring 51 and the first back sealing ring 52 before the front and rear part of pressure release valve rod 5 is embedded with first respectively; Pressure relief opening 121 before first sealing ring 51 and first the back sealing ring 52 between; Form liquid sealing between the inner hole wall of sealing ring 51 and top connection 12 before first and cooperates, under the state of pressure release valve rod 5 reaches, sealing ring 52 cooperates with the import maintenance liquid sealing of top connection 12 after first; Under the state that moves behind the pressure release valve rod 5, the first back sealing ring 52 leaves the import of top connection 12.
Switch valve rod 6; Be located in the first passage 2 and slippage before and after the ability; Also be provided with in the first passage 2 to make and switch the spring 63 that valve rod 6 keeps reach trend; The front and rear part of switching valve rod 6 is embedded with the second preceding sealing ring 61 and the second back sealing ring 62 respectively, and first passage 2 has omoplate 22 in the annular, and omoplate 22 exports between 112 in import 111 and second in this annular; Under switching valve rod 6 mediates state; Sealing ring 61 cooperates with the inner peripheral surface formation liquid sealing of omoplate 22 in the annular before second; The second back sealing ring 62 cooperates with the inner hole wall formation liquid sealing of lower contact 13, at this moment switches valve rod 6 and blocks being communicated with of the import 111 and first outlet 131 and second outlet 112 simultaneously; Under the state that switches valve rod 6 reaches, before second in sealing ring 61 and the annular inner peripheral surface of omoplate 22 form liquid sealing and cooperate, sealing ring 62 breaks away from the endoporus of lower contact 13 forward after second, import at this moment 111 only exports 131 and is communicated with first; Switching under the state that moves behind the valve rod 6, sealing ring 61 breaks away from backward that omoplate 22, the second back sealing rings 62 cooperate with the inner hole wall formation liquid sealing of lower contact 13 in the annular before second, and import at this moment 111 only exports 112 and is communicated with second.
Switch knob 7; Rotatably be located on valve casing 1 end face and close on the leading section of aforementioned switching valve rod 6; In the shoulder hole of said first passage 2 front ends of the middle part inserting of switch knob 7 rear ends and the interface of the two be provided with sealing ring 10; The perimembranous of switch knob 7 rear ends forms the Elastic buckle 73 that a plurality of circle spacings are provided with, and this Elastic buckle 73 snaps onto on the outer convex shoulder 113 of valve body 11 lateral walls of valve casing 1; Can drive when having rotation on the end face near the switch knob 7 that switches valve rod 6 and switch the edge cam 71 that moves behind the valve rod 6; Edge cam 71 has two cam ramp 711; These two cam ramp 711 surround the annular wall shape; The top of these two cam ramp 711 forms the limited block 712 that exceeds cam ramp 711, and switch knob 7 outer ends have upwardly extending pushing part 72, and are as shown in Figure 8.
Like Fig. 7,9, shown in 10; Only be provided with in the first passage 2 can before and after the slide block 8 of slippage, promptly the internal perisporium at first passage 2 forms at least two pre-and post perforative straight troughs 21, forms two on the lateral wall of slide block 8 and transplants a cutting 81; Cutting 81 is positioned at straight trough 21 and ability front and back slippage; 81 the front end of transplanting a cutting exposes outside straight trough 21 and sets with the cam ramp 711 of edge cam 71, and can slippage backward under the driving of cam ramp 711, and the rear end of slide block 8 is supported with the front end that switches valve rod 6 and established.
Under the state of switch knob 7 in the middle of rotating to, conflict with the pressure release valve rod that exposes 5 and also promote to move behind the pressure release valve rod 5 in pushing part 72, and at this moment pressure release valve rod 5 is opened pressure relief opening 121, switches valve rod 6 state that mediates simultaneously, i.e. import 111 only is communicated with pressure relief opening.
Rotate at switch knob 7 under the state of a side, the pressure release valve rod 5 that exposes is left in pushing part 72, and pressure release valve rod 5 is under the effect of pressure release spring 53; The first back sealing ring 52 keeps liquid sealing to cooperate with the import of top connection 12; Pressure relief opening is closed, and switches valve rod 6 and is in preceding shifting state, and the second preceding sealing ring 61 cooperates with the inner peripheral surface formation liquid sealing of omoplate 22 in the annular; The second back sealing ring 62 breaks away from the endoporus of lower contact 13 forward, and import at this moment 111 only is communicated with first outlet 131.
Rotate at switch knob 7 under the state of opposite side, the pressure release valve rod 5 that exposes is left in pushing part 72, and pressure release valve rod 5 is under the effect of pressure release spring 53; The first back sealing ring 52 keeps liquid sealing to cooperate with the import of top connection 12; Pressure relief opening is closed, and switches valve rod 6 and is in retrude, and the second preceding sealing ring 61 breaks away from omoplate 22 in the annular backward; The second back sealing ring 62 forms liquid sealing with the inner hole wall of lower contact 13 and cooperates, and import at this moment 111 only is communicated with second outlet 112.
The front end face bottom of the main valve body 11 of valve casing 1 has three location pits 114; The bottom of switch knob 7 is provided with the backstay 9 that is the dome shape that matches with pit 114 by the end; This backstay 9 is kept exposing the trend that the front end face with valve casing 1 holds by support spring 91; Under the state in the middle of switch knob 7 rotates to; The head of backstay 9 inserts the pit 114 in the middle of being positioned at, and rotates at switch knob 7 under the state of a side or opposite side, and the head of backstay 9 inserts one of them respective dimple 114 that is positioned at both sides.
Operation principle and process that this four-way switching valve is applied on the coffee machine are following:
When making coffee,, switch knob 7 is gone to a side like Fig. 1, shown in 2; Pressure release valve rod 5 is under the effect of pressure release spring 53; The first back sealing ring 52 keeps liquid sealing to cooperate with the import of top connection 12, and pressure relief opening 121 is closed, and conflicts with the cutting 81 and the extreme lower position of the cam ramp 711 of edge cam of the slide block that switches valve rod 6 conflicts; Switch valve rod 6 and under the effect of spring 63, be in preceding shifting state; Sealing ring 61 cooperates with the inner peripheral surface formation liquid sealing of omoplate 22 in the annular before second, and the second back sealing ring 62 breaks away from the endoporus of lower contact 13 forward, and import at this moment 111 only is communicated with first outlet 131; The hot water of making coffee flows at last from import 111 and flows out the work of making coffee from first outlet 131.
Make coffee finish after; Like Fig. 3, shown in 4, switch knob 7 is gone to the centre position, conflict with the pressure release valve rod that exposes 5 and promote the resilient rear-moving that pressure release valve rod 5 overcomes pressure release spring 53 in pushing part 72; At this moment pressure release valve rod 5 is opened pressure relief opening 121; Switch valve rod 6 state that mediates simultaneously, i.e. import 111 only is communicated with pressure relief opening, and unnecessary hot water flows at last through import 111 and discharges from pressure relief opening 121.
The milk foam is beaten steam course, like Fig. 5, shown in 6, switch knob 7 is gone to opposite side; Pressure release valve rod 5 is under the effect of pressure release spring 53; The first back sealing ring 52 keeps liquid sealing to cooperate with the import of top connection 12, and pressure relief opening 121 is closed, and conflicts with the cutting 81 and the extreme higher position of the cam ramp 711 of edge cam of the slide block that switches valve rod 6 conflicts; So switching valve rod 6 moves after under the impetus of the edge cam 71 of switch knob 7; Therefore under the state that moves behind the switching valve rod 6, the second preceding sealing ring 61 breaks away from interior omoplate 22, the second back sealing rings 62 of annular backward and cooperates with the inner hole wall formation liquid sealing of lower contact 13; At this moment import 111 only is communicated with second outlet 112, and steam gets at last from import 111 and discharges from second outlet 112.
Claims (8)
1. a coffee machine is used four-way switching valve, it is characterized in that: comprise
Valve casing (1); Have first passage (2) and second channel (3) in it; And the transition passage (4) of connection first passage (2) and second channel (3); Have the import (111), first outlet (131) and second outlet (112) that are communicated with said first passage (2) on the valve casing (1), and the pressure relief opening (121) that is communicated with second channel (3);
Pressure release valve rod (5); Be located in the second channel (3) and slippage before and after the ability; The front end of pressure release valve rod (5) exposes outside valve casing (1) for driving; Also be provided with the pressure release spring (53) that makes pressure release valve rod (5) keep reach and close the trend of pressure relief opening (121) in the second channel (3), move behind the pressure release valve rod (5) and then open pressure relief opening (121);
Switch valve rod (6); Be located in the first passage (2) and slippage before and after the ability; Also be provided with in the first passage (2) to make and switch the spring (63) that valve rod (6) keeps reach trend, under switching valve rod (6) mediates state, switch valve rod (6) and block being communicated with of import (111) and first outlet (131) and second outlet (112) simultaneously; Under the state that switches valve rod (6) reach; Said import (111) only is communicated with first outlet (131), is switching under the state that moves behind the valve rod (6), and said import (111) only is communicated with second outlet (112);
Switch knob (7); Rotatably be located on valve casing (1) end face and close on the leading section of aforementioned switching valve rod (6); Can drive when having rotation on the end face near the switch knob (7) that switches valve rod (6) and switch the edge cam (71) that moves behind the valve rod (6), switch knob (7) outer end has pushing part (72);
Under the state of switch knob (7) in the middle of rotating to, said pushing part (72) are conflicted with the pressure release valve rod (5) that exposes and are also promoted to move behind the pressure release valve rod (5), simultaneously said switching valve rod (6) state that mediates; Rotate under the state of a side or opposite side at switch knob (7), the pressure release valve rod (5) that exposes is left in said pushing part (72), and said switching valve rod (6) is in reach or retrude.
2. coffee machine according to claim 1 is used four-way switching valve; It is characterized in that: only be provided with in the said first passage (2) can before and after the slide block (8) of slippage; The rear end of slide block (8) is supported with the front end that switches valve rod (6) and is established; The outer end of slide block (8) is provided on the cam ramp (711) of said edge cam (71); And can slippage backward under the driving of cam ramp (711); In the shoulder hole of the said first passage of middle part inserting (2) front end of switch knob (7) rear end and the interface of the two be provided with sealing ring (10), the perimembranous of switch knob (7) rear end forms the Elastic buckle (73) that a plurality of circle spacings are provided with, this Elastic buckle (73) snaps onto on the outer convex shoulder (113) of said valve casing (1) lateral wall.
3. coffee machine according to claim 2 is used four-way switching valve; It is characterized in that: the internal perisporium of said first passage (2) forms pre-and post perforative straight trough (21); Form cutting (81) on the lateral wall of said slide block (8); Said cutting (81) be positioned at said straight trough (21) and can before and after slippage, the front end of (81) of transplanting a cutting exposes outside straight trough (21) and sets with the cam ramp (711) of said edge cam (71).
4. coffee machine according to claim 3 is used four-way switching valve; It is characterized in that: said straight trough (21) and cutting (81) respectively have two; The cam ramp of said edge cam (711) has two; These two cam ramp (711) surround the annular wall shape, and the top of these two cam ramp (711) forms the limited block (712) that exceeds said cam ramp (711).
5. coffee machine according to claim 1 is used four-way switching valve; It is characterized in that: the front end face bottom of said valve casing (1) has three location pits (114); The bottom of said switch knob (7) is provided with the backstay (9) that is the dome shape that matches with pit (114) by the end; This backstay (9) is kept exposing the trend that the front end face with valve casing (1) holds by support spring (91); Under the state in the middle of switch knob (7) rotates to; The head of said backstay (9) inserts the pit (114) in the middle of being positioned at, and rotates under the state of a side or opposite side at switch knob (7), and the head of said backstay (9) inserts one of them respective dimple (114) that is positioned at both sides.
6. use four-way switching valve according to the said coffee machine of arbitrary claim in the claim 1～5, it is characterized in that: said valve casing (1) is made up of main valve body (11), top connection (12) and lower contact (13); Said top connection (12) is fixed on the top of main valve body (11); In the hole on middle part inserting main valve body (11) top of the rear end of top connection (12) and the interface of the two be provided with sealing ring (10); Said second channel (3) is formed in main valve body (11) and the top connection (12), and said pressure relief opening (121) is arranged in the top connection (12); Said lower contact (13) is fixed on the bottom of main valve body (11); In the hole of middle part inserting main valve body (11) bottom of the front end of lower contact (13) and the interface of the two be provided with sealing ring (10); Said first passage (2) is formed in main valve body (11) and the lower contact (13); The said import (111) and second outlet (112) are arranged on the main valve body (11), and said first outlet (131) is arranged in the lower contact (13).
7. coffee machine according to claim 6 is used four-way switching valve; It is characterized in that: the sealing ring (51) and the first back sealing ring (52) before the front and rear part of said pressure release valve rod (5) is embedded with first respectively; Said pressure relief opening (121) is positioned between the first preceding sealing ring (51) and the first back sealing ring (52); Form liquid sealing between the inner hole wall of sealing ring (51) and top connection (12) before said first and cooperates, under the state of pressure release valve rod (5) reach, sealing ring (52) cooperates with the import maintenance liquid sealing of top connection (12) after said first; Under the state that moves behind the pressure release valve rod (5), the first back sealing ring (52) leaves the import of top connection (12).
8. coffee machine according to claim 6 is used four-way switching valve; It is characterized in that: the sealing ring (61) and the second back sealing ring (62) before the front and rear part of said switching valve rod (6) is embedded with second respectively; Said first passage (2) has omoplate (22) in the annular, and omoplate (22) is positioned between the import (111) and second outlet (112) in this annular; Mediate under the state switching valve rod (6), before said second in sealing ring (61) and the annular inner peripheral surface of omoplate (22) form liquid sealing and cooperate, sealing ring (62) cooperates with the inner hole wall formation liquid sealing of lower contact (13) after second; Under the state that switches valve rod (6) reach, the said second preceding sealing ring (61) forms liquid sealing with the inner peripheral surface of the interior omoplate (22) of annular and cooperates the endoporus that the second back sealing ring (62) breaks away from lower contact (13) forward; Switching under the state that moves behind the valve rod (6), the said second preceding sealing ring (61) breaks away from omoplate (22) in the annular backward, and the second back sealing ring (62) forms liquid sealing with the inner hole wall of lower contact (13) and cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203636171U CN202234842U (en) | 2011-09-19 | 2011-09-19 | Four-channel transfer valve on coffee making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203636171U CN202234842U (en) | 2011-09-19 | 2011-09-19 | Four-channel transfer valve on coffee making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202234842U true CN202234842U (en) | 2012-05-30 |
Family
ID=46096163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203636171U Withdrawn - After Issue CN202234842U (en) | 2011-09-19 | 2011-09-19 | Four-channel transfer valve on coffee making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202234842U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102349803A (en) * | 2011-09-19 | 2012-02-15 | 宁波三A集团电器有限公司 | Four-way switching valve for coffee maker |
| CN103565286A (en) * | 2012-07-24 | 2014-02-12 | 苏州工业园区咖乐美电器有限公司 | Pressure relief valve body |
-
2011
- 2011-09-19 CN CN2011203636171U patent/CN202234842U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102349803A (en) * | 2011-09-19 | 2012-02-15 | 宁波三A集团电器有限公司 | Four-way switching valve for coffee maker |
| CN102349803B (en) * | 2011-09-19 | 2014-04-23 | 宁波三A集团电器有限公司 | Four-way switching valve for coffee maker |
| CN103565286A (en) * | 2012-07-24 | 2014-02-12 | 苏州工业园区咖乐美电器有限公司 | Pressure relief valve body |
| CN103565286B (en) * | 2012-07-24 | 2015-11-18 | 苏州工业园区咖乐美电器有限公司 | A kind of pressure relief valve body |
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