CN209058854U - Coffee machine water valve - Google Patents
Coffee machine water valve Download PDFInfo
- Publication number
- CN209058854U CN209058854U CN201820372911.0U CN201820372911U CN209058854U CN 209058854 U CN209058854 U CN 209058854U CN 201820372911 U CN201820372911 U CN 201820372911U CN 209058854 U CN209058854 U CN 209058854U
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- China
- Prior art keywords
- valve
- core case
- valve core
- seal plug
- coffee machine
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- Withdrawn - After Issue
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Abstract
The utility model relates to a kind of coffee machine water valves, it is characterised in that: interior that there is intake tunnel, exhalant canal, spool installation passage and valve port, intake tunnel to be connected to spool installation passage including valve casing；Core assembly, it is mounted in spool installation passage, core assembly includes the valve core case with axial passage, valve core case is plugged in spool installation passage and can axially slide, seal plug made of flexible material is equipped in the axial passage of valve core case, seal plug holds the trend for keeping stretching out valve core case front end face by the spring top being set in axial passage, and seal plug moves forward with valve core case and can block the valve port, and seal plug is moved back with valve core case, can open the valve port；Driving structure is set between valve casing and valve core case, to drive valve core case to be moved forward and backward.Hydraulic pressure increases in the timely work water route of the water valve, acts required power to valve body switch and is held essentially constant, rapid operation, while spring being avoided to be exposed in water route.
Description
Technical field
The utility model relates to a kind of valve for water route switching more particularly to a kind of coffee machine water valves.
Background technique
Water valve is the important component of water circuit system in coffee machine, whether to control water flow on-off.Such as a Patent No.
The Chinese utility model patent " plug-type water valve " of ZL93223878.5, Ji Ruyi Patent No. ZL200610155164.7 are (public
The number of opening discloses such a water valve for the Chinese invention patent " steam valve of coffee machine " of CN1975218A).
The coffee machine of existing majority in off position, not only has spring-force driven dual in spool, while its intake pressure is positive
Spool is acted on, spool is made to block valve port, such as to be opened, operation knob or switch are needed, spool is pushed to overcome the good water of spring
The resultant force of pressure could open spool, this means that operating pressure of the system in water route is bigger, required for switch motion
Power is also synchronous to be increased, and opening operation is laborious.In addition there are two types of existing water valve opening ways, one is the realizations of handle combination spring to open
Open, another kind is rotarily opened using knob, and knob is promoted by single side cam, spring reset, no matter which kind of opening ways, open
Open component and be required to spring reset, spring is metal parts, be chronically exposed in water route, easily water polluted, and it is long when
Between use, spring fatiguability causes to open and fits badly, and it is also inconvenient in addition to assemble.
In conclusion existing valve structure can be further improved.
Utility model content
Technical problem to be solved in the utility model be for above-mentioned state of the art and provide a kind of structure it is simple,
The coffee machine water valve of sealed reliable, hydraulic pressure increases in the timely work water route of the water valve, acts required power to valve body switch
It is held essentially constant, rapid operation, while spring being avoided to be exposed in water route.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of coffee machine water valve, feature
It is: interior that there is intake tunnel, exhalant canal and spool installation passage, exhalant canal and spool installation passage including valve casing
Between be connected to by valve port, intake tunnel is located at spool installation passage side and communicates therewith；Core assembly is mounted on spool peace
It fills in channel, core assembly includes the valve core case with axial passage, and valve core case is plugged in spool installation passage and can be axial
Sliding is equipped with the first sealing ring, sets in the axial passage of valve core case between valve core case periphery and the inner hole wall of spool installation passage
Seal plug made of flexible material, seal plug hold holding by the spring top being set in axial passage and stretch out valve core case front end
The trend in face, seal plug move forward with valve core case and can block the valve port, and seal plug is moved back with valve core case, can be opened
The valve port；Driving structure is set between valve casing and valve core case, to drive valve core case to be moved forward and backward.
To provide suitable support to spring, above-mentioned valve core case internal screw thread connection is by blocking, the periphery of blocking and axial passage
Inner hole wall between be equipped with the second sealing ring, the spring top is held between seal plug and blocking.It is blocked in for convenience of adjusting
Axial position in valve core case, to realize the adjusting to initial tension of spring, it is ensured that biggish thrust can be applied to seal plug, allowed
Has good leakproofness between seal plug and valve port.
It is further improved, the inner bottom surface of above-mentioned spool installation passage has boss portion, and the valve port runs through boss portion, close
In the state that block head blocks the valve port, in the area that the bottom surface that the boss portion is located at seal plug is covered.Because convex
The presence in platform portion, in the state of seal plug compression boss portion, seal plug can deform from peripheral part and coat boss portion, when
When hydraulic pressure acts on seal plug, seal plug periphery is pressurized, and more preferably closely envelopes boss portion, blocks valve from all directions
Mouthful, and hydraulic pressure is bigger, the combination of seal plug and boss portion is closer, therefore this structure can make hydraulic pressure bigger, seals tighter.
Preferably, above-mentioned boss portion is in circular cone shape.It can increase the cladding area of seal plug and boss portion.
Further to improve, above-mentioned driving structure includes the knob for being molded over valve core case periphery, the rotation of knob
Energy band movable valve plug seat is rotated around own axes, and knob has annular wall, by more between annular wall and the periphery wall of valve core case
The dowel connection that root root is arranged radially, more dowels are uniformly distributed along the circumference, the annular wall inner surface between adjacent two dowel
Bottom form one section of first cam surface；More axial directions are equipped with for the end face that spool installation passage is pierced by the valve casing
Extend hook bar, forms one section of second cam surface on the valve casing end face between adjacent two hooks bar；Valve is driven in knob
Core print seat is together in rotary course, and the bottom surface of dowel can slide along the second cam surface, and the hook portion for linking up with bar can be along the first cam surface
Sliding, and the hook portion for ensuring to link up with bar when dowel is located at the second cam surface low level is located at a high position for the first cam surface, dowel
The hook portion that bar is linked up with when positioned at a high position for the second cam surface is located at the low level of the first cam surface.Rotate forward knob, dowel by
It is gradually moved along the second cam surface toward upper level position, the hook portion for linking up with bar is gradually moved along the first cam surface toward low order position, at this moment
Entire core assembly is moved out with respect to spool installation passage axis, and the seal plug on core assembly then leaves valve port, and valve port is opened,
Water flow flows into spool installation passage from intake tunnel, then flows out via valve port from exhalant canal, and water valve is opened；Rotate backward rotation
Button, dowel are gradually moved along the second cam surface toward low order position, link up with the hook portion of bar gradually along the past high-order position of the first cam surface
Movement is set, at this moment entire core assembly is inwardly moved with respect to spool installation passage axis, and the seal plug on core assembly compresses valve port,
Valve port is blocked, and water flow cannot then be flowed out by valve port from exhalant canal, and water valve is closed.This opening ways uses biconvex wheel face knot
Structure, without additionally being resetted again using spring, compared with existing driving structure, structure is more simple, and operation also facilitates.
Preferably, above-mentioned dowel is higher by the first cam surface.The dowel being higher by has limit to make the hook portion of hook bar
With, when hook portion receive dowel stop, illustrate that water valve is in work (an opening or closing) position.
Above-mentioned dowel and hook bar respectively have three.
Above-mentioned driving structure further includes cap fall prevention, and cap fall prevention is held on knob, the bottom surface of cap fall prevention and the first cam
It is formed between face and the channel limited is slid to the hook portion of hook bar.There is certain resistance in the channel that cap fall prevention is formed to core assembly
Buddhist nun's effect, prevents core assembly from position change occurring easily.
The bottom surface of above-mentioned cap fall prevention has the ring-shaped connecting wall that extends downwardly, opens that there are three to be caught on ring-shaped connecting wall
The card slot of dowel.
Compared with the prior art, the advantages of the utility model are: because seal plug rear portion is hidden in valve core case, high pressure
Water flow will not enter in valve core case, i.e., hydraulic pressure will not positive (face sealing direction) act on the rear end face of seal plug, therefore drive
The mobile power of movable valve plug component is substantially unrelated with the size of hydraulic pressure, and the opening and closing of water valve can be completed using minimum power, is avoided
High hydraulic pressure acts on seal point, leads to the stubborn problem of valve；In addition spring is hidden in valve core case, seal plug stress
Also the perforation on valve core case front end face can be blocked, water base will not enter in valve core case, and the water in water route will not be by spring dirt
Dye.
Detailed description of the invention
Fig. 1 is the schematic perspective view one (opening state) of the utility model embodiment；
Fig. 2 is the schematic perspective view two (opening state) of the utility model embodiment；
Fig. 3 is the structure sectional view (opening state) of the utility model embodiment；
Fig. 4 is that the utility model embodiment removes the schematic perspective view (opening state) after cap fall prevention；
Fig. 5 is the schematic perspective view of valve core case in the utility model embodiment；
Fig. 6 is the schematic perspective view one (closed state) of the utility model embodiment；
Fig. 7 is the structure sectional view (closed state) of the utility model embodiment；
Fig. 8 is that the utility model embodiment removes the schematic perspective view (closed state) after cap fall prevention；
Fig. 9 is the stereogram exploded view of the utility model embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
It as shown in figure 1-9, is a preferred embodiment of the utility model.
A kind of coffee machine water valve, including
Valve casing 1, it is interior that there is intake tunnel 11, exhalant canal 12 and spool installation passage 13, exhalant canal 12 and spool
It is connected between installation passage 13 by valve port 14, intake tunnel 11 is located at 13 side of spool installation passage and communicates therewith, and makes valve
Shell 1 forms similar three-way pipe structure.
Core assembly is mounted in spool installation passage 13, and core assembly includes the valve core case 3 with axial passage 31,
Valve core case 3 is plugged in spool installation passage 13 and can axially slide, the inner hole wall of valve core case 3 periphery and spool installation passage 13
Between be equipped with the first sealing ring 2a, be equipped with seal plug 4 made of flexible material, seal plug in the axial passage 31 of valve core case 3
First 4 spring 5 by being set in axial passage 31 pushes up the trend held and keep stretching out 3 front end face of valve core case, and seal plug 4 is with valve core case
3 move forward and can block the valve port 14, and seal plug 4 is moved back with valve core case 3, can open the valve port 14.
The connection of 3 internal screw thread of valve core case is blocked by blocking 2 and is equipped with second between 2 periphery and the inner hole wall of axial passage 31
Sealing ring 2b, the top of spring 5 are held between seal plug 4 and blocking 2.The inner bottom surface of spool installation passage 13 has boss portion 15,
Valve port 14 runs through boss portion 15, and in the state that seal plug 4 blocks valve port 14, boss portion 15 is located at seal plug 4
The area that is covered of bottom surface in.Boss portion 15 is in circular cone shape.
Driving structure is set between valve casing 1 and valve core case 3, to drive valve core case 3 to be moved forward and backward.
Driving structure includes the knob 6 for being molded over 3 periphery of valve core case, and the rotational energy of knob 6 drives valve core case 3 around certainly
Body axis rotation, knob 6 have annular wall 61, by three root diameters to setting between annular wall 61 and the periphery wall of valve core case 3
The dowel 62 set connects, and three dowels 62 are uniformly distributed along the circumference, and dowel 62 is higher by the first cam surface 7a.Adjacent two dowel
It is one section of arcwall that the bottom of annular wall inner surface between 62, which forms one section of first cam surface 7a, the first cam surface 7a,
The top surface of arcwall is the inclined-plane gradually risen, and the raising of each first cam surface 7a is circumferentially；It installs and leads to for spool in valve casing 1
The end face that road 13 is pierced by is equipped with more axially extending hook bars 8, and hook bar 8 has three and is uniformly distributed along the circumference, and adjacent two hang
It is one section of arcwall, arc that one section of second cam surface 7b, the second cam surface 7b are formed on 1 end face of valve casing between shank 8
The top surface of wall is the inclined-plane gradually risen；In the drive of knob 6 valve core case 3 together rotary course, the bottom surface energy of dowel 62
It is slid along the second cam surface 7b, the hook portion 81 of hook bar 8 can slide along the first cam surface 7a, and ensure that dowel 62 is located at second
The hook portion 81 that bar 8 is linked up with when cam surface 7b low level is located at a high position of the first cam surface 7a, and dowel 62 is located at the second cam surface 7b
A high position when hook bar 8 hook portion 81 be located at the low level of the first cam surface 7a.
Driving structure further includes cap fall prevention 9, and cap fall prevention 9 is held on knob 6, the bottom surface of cap fall prevention 9 and the first cam
It is formed between the 7a of face and the channel 10 limited is slid to the hook portion 81 of hook bar 8.The bottom surface of cap fall prevention 9, which has, to be extended downwardly
Ring-shaped connecting wall 91, opens that there are three the card slots 92 to be caught in dowel 62 on ring-shaped connecting wall 91.
The operation principle and process of this drain valve is as follows:
As shown in figures 1-4, knob 6 is rotated forward, dowel 62 is gradually moved along the second cam surface 7b toward upper level position
Dynamic, the hook portion 81 of hook bar 8 is gradually moved along the first cam surface 7a toward low order position, and at this moment entire core assembly is pacified with respect to spool
Dress 13 axis of channel is moved out, until the seal plug 4 on core assembly then leaves valve port 14, valve port 14 is opened, and water flow is from water inlet
Channel 11 flows into spool installation passage 13, then flows out via valve port 14 from exhalant canal 12, and water valve is opened.
As can be seen from figures 6 to 8, knob 6 is rotated backward, dowel 62 is gradually moved along the second cam surface 7b toward low order position
Dynamic, the hook portion 81 of hook bar 8 is gradually moved along the first face cam 7a toward upper level position, and at this moment entire core assembly is pacified with respect to spool
Dress 13 axis of channel inwardly moves, until the seal plug 4 on core assembly compresses valve port 14, valve port 14 is blocked, and water flow then cannot
It is flowed out by valve port 14 from exhalant canal 12, water valve is closed.
Because of the presence of boss portion 15, in the state of 4 compression boss portion 15 of seal plug, seal plug 5 can be deformed from week
Boss portion 15 is covered in edge subpackage, and when hydraulic pressure acts on seal plug 4,4 periphery of seal plug is pressurized, and is more preferably closely enveloped convex
Platform portion 15 blocks valve port 14 from all directions, and hydraulic pressure is bigger, and the combination of seal plug 4 and boss portion 15 is closer, therefore
This structure can make hydraulic pressure bigger, seal tighter.
Because the rear portion of seal plug 4 is hidden in valve core case 3, the water flow of high pressure will not enter in valve core case 3, i.e., hydraulic pressure will not
Positive (face sealing direction) acts on the rear end face of seal plug 4, thus the power for driving core assembly mobile substantially with hydraulic pressure
Size is unrelated, and the opening and closing of water valve can be completed using minimum power, high hydraulic pressure is avoided to act on seal point, leads to valve not
The problem of easily opening；In addition spring 5 is hidden in valve core case 3, and 4 stress of seal plug can also block on 3 front end face of valve core case
Perforation, water base will not enter in valve core case 3, and the water in water route will not be polluted by spring.
Although the preferred embodiments of the utility model have been described above in detail, it is to be clearly understood that for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of coffee machine water valve, it is characterised in that: including
Valve casing (1), it is interior that there is intake tunnel (11), exhalant canal (12) and spool installation passage (13), exhalant canal (12)
It is connected between spool installation passage (13) by valve port (14), intake tunnel (11) is located at spool installation passage (13) side simultaneously
It communicates therewith；
Core assembly is mounted in spool installation passage (13), and core assembly includes the valve core case with axial passage (31)
(3), valve core case (3) is plugged in spool installation passage (13) and can axially slide, valve core case (3) periphery and spool installation passage
(13) it is equipped with the first sealing ring (2a) between inner hole wall, is made in the axial passage (31) of valve core case (3) equipped with flexible material
Seal plug (4), seal plug (4) by be set to axial passage (31) in spring (5) top hold holding stretch out valve core case (3) before
The trend of end face, seal plug (4) move forward with valve core case (3) and can block the valve port (14), and seal plug (4) is with spool
Seat (3) moves back, and can open the valve port (14)；
Driving structure is set between valve casing (1) and valve core case (3), to drive valve core case (3) to be moved forward and backward.
2. coffee machine water valve according to claim 1, it is characterised in that: valve core case (3) the internal screw thread connection is by blocking up
It fills in (2), blocks and be equipped with the second sealing ring (2b) between the periphery of (2) and the inner hole wall of axial passage (31), spring (5) top
It holds between seal plug (4) and blocking (2).
3. coffee machine water valve according to claim 1, it is characterised in that: the inner bottom surface of the spool installation passage (13)
With boss portion (15), the valve port (14) runs through boss portion (15), blocks the shape of the valve port (14) in seal plug (4)
Under state, in the area that the bottom surface that the boss portion (15) is located at seal plug (4) is covered.
4. coffee machine water valve according to claim 3, it is characterised in that: the boss portion (15) is in circular cone shape.
5. coffee machine water valve according to claim 1, it is characterised in that: the driving structure includes being molded over valve core case
(3) rotational energy of the knob (6) of periphery, knob (6) drives valve core case (3) to rotate around own axes, and knob (6) has
Annular wall (61) is connected between annular wall (61) and the periphery wall of valve core case (3) by the dowel (62) that more roots are arranged radially
It connects, more dowels (62) are uniformly distributed along the circumference, and the bottom of the annular wall inner surface between adjacent two dowel (62) forms
One section of first cam surface (7a)；More axial directions are equipped with for the end face that spool installation passage (13) is pierced by the valve casing (1) to prolong
Hook bar (8) is stretched, forms one section of second cam surface (7b) on valve casing (1) end face between adjacent two hook bar (8)；It is revolving
Together in rotary course, the bottom surface of the dowel (62) can be sliding along the second cam surface (7b) for button portion (6) drive valve core case (3)
It moves, the hook portion (81) of hook bar (8) can slide along the first cam surface (7a), and ensure that dowel (62) are located at the second cam
The hook portion (81) that bar (8) are linked up with when face (7b) low level is located at a high position for the first cam surface (7a), and it is convex that dowel (62) is located at second
The hook portion (81) that bar (8) are linked up with when a high position for wheel face (7b) is located at the low level of the first cam surface (7a).
6. coffee machine water valve according to claim 5, it is characterised in that: the dowel (62) is higher by the first cam surface
(7a)。
7. coffee machine water valve according to claim 5, it is characterised in that: the dowel (62) and hook bar (8) are each
There are three.
8. coffee machine water valve according to claim 5, it is characterised in that: the driving structure further includes cap fall prevention (9),
Cap fall prevention (9) is held on knob (6), is formed between the bottom surface and the first cam surface (7a) of cap fall prevention (9) to hook bar (8)
Hook portion (81) slide the channel (10) that is limited.
9. coffee machine water valve according to claim 8, it is characterised in that: the bottom surface of the cap fall prevention (9) has downward
The ring-shaped connecting wall (91) of extension, opens that there are three the card slots (92) to be caught in dowel (62) on ring-shaped connecting wall (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820372911.0U CN209058854U (en) | 2018-03-19 | 2018-03-19 | Coffee machine water valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820372911.0U CN209058854U (en) | 2018-03-19 | 2018-03-19 | Coffee machine water valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209058854U true CN209058854U (en) | 2019-07-05 |
Family
ID=67088048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820372911.0U Withdrawn - After Issue CN209058854U (en) | 2018-03-19 | 2018-03-19 | Coffee machine water valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209058854U (en) |
-
2018
- 2018-03-19 CN CN201820372911.0U patent/CN209058854U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190705 Effective date of abandoning: 20230926 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190705 Effective date of abandoning: 20230926 |