CN106402418B - A kind of Anti-splash adjustable-flow dispensing valve - Google Patents
A kind of Anti-splash adjustable-flow dispensing valve Download PDFInfo
- Publication number
- CN106402418B CN106402418B CN201610955236.XA CN201610955236A CN106402418B CN 106402418 B CN106402418 B CN 106402418B CN 201610955236 A CN201610955236 A CN 201610955236A CN 106402418 B CN106402418 B CN 106402418B
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- spool
- valve body
- splash
- flow
- valve
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
Abstract
The invention discloses a kind of Anti-splash adjustable-flow dispensing valves, and including core assembly and Power Component, core assembly includes upper valve body, lower valve body, spool and intermediate spool, and upper valve body is connected with the upper end of lower valve body, is hollow structure；Lower valve body is hollow structure, and side is equipped with the feed inlet entered for liquid, and lower end is equipped with multiple cylindrical holes as dispensing valve big flow mouth；Spool is sequentially inserted into from the upper end of upper valve body in upper valve body and the hollow structure of lower valve body, and little spring is equipped between upper valve body；Intermediate spool is set between spool and the inner wall of lower valve body, and is slidably matched with spool, and big spring is equipped between upper valve body, and the lower end of the intermediate spool is equipped with the close-fitting cylinder of cylindrical hole in the through-hole coordinated with spool lower end and more and lower valve body；Power Component is connected with the upper end of spool, is used to drive the up and down motion of spool and intermediate spool.The present invention have many advantages, such as Anti-splash, it is anti-remain, flow be adjusted, precision preparation it is high.
Description
Technical field
The invention belongs to high-precision dispensing valve field, more particularly, to a kind of Anti-splash adjustable-flow dispensing valve.
Background technology
At present, the dispensing valve used in essence and flavoring agent industry, cigar mill mainly uses the following two kinds type：First, using such as
The switch valve of two cylinder+two stage conicals shown in FIG. 1, mainly controls two stage conical valve by three positions of cylinder
Opening and closing, cylinder is moved to first position during control accuracy, is lifted the first step valve, and cylinder is moved to second when controlling big flow
The second level is lifted in position, and such method is since valve nozzle shape is taper, when preparing big flow, since the angle of divergence intersects,
Liquid can collide, and liquid is caused to splash to surrounding；Second is that the straight mouth switch valve of two cylinder+two-stages as shown in Figure 2, with figure
1 scheme is similar, and two-stage valve is lifted by controlling three positions of cylinder, so as to fulfill the control of small flow and big flow, this
Kind method reduces the spattering problem of liquid to a certain extent, but since long guiding is stretched out in front end, causes to have a large amount of
Drop residual.Both the above method all there are it is certain the problem of, two-stage flow can only be controlled using two cylinders, it is impossible to one
Arbitrarily regulate and control in a range, while can not solve the problems, such as liquid splash and residual.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides a kind of Anti-splash adjustable-flow dispensings
Valve is controlled by the combination of electric cylinders and cylinder, and to stretch control accuracy using cylinder, it is big to be lifted control flow using electric cylinders
Small, while proportioning accuracy and speed is met, pollution and waste etc. caused by solving liquid splash and residual etc. are asked
Topic, have many advantages, such as Anti-splash, it is anti-residual, flow be adjusted, precision preparation it is high, be suitable for essence and flavoring agent, cigar mill and need
Want the industries such as liquid charging stock preparation.
To achieve the above object, the present invention proposes a kind of Anti-splash adjustable-flow dispensing valve, which includes valve
Core assembly and Power Component, wherein：
The core assembly includes upper valve body, lower valve body, spool and intermediate spool, wherein, the upper valve body with it is described under
The upper end of valve body is connected, and is hollow structure；The lower valve body is similarly hollow structure, side be equipped with enter for liquid into
Material mouth, lower end are equipped with multiple cylindrical holes as dispensing valve big flow mouth；The spool is inserted successively from the upper end of the upper valve body
Enter in upper valve body and the hollow structure of lower valve body, little spring is equipped between the upper valve body；The intermediate spool is set on institute
State between the inner wall of lower valve body and spool, and be slidably matched with the spool, the upper end be equipped with ring flange, the ring flange with it is described
Big spring is equipped between upper valve body, and ring flange is equipped with uniformly distributed hole, the lower end of the intermediate spool is equipped with and the spool
The close-fitting cylinder of cylindrical hole on the through-hole of lower end cooperation and more and lower valve body, the through-hole is as dispensing valve
Small flow mouth by the way that the lower end of spool is stretched into the through-hole of intermediate spool, intermediate valve in-core residual liquid is squeezed out, is passed through
The cylinder is put in the cylindrical hole of the lower valve body, the liquid remained in cylindrical hole is squeezed out；The Power Component with
The upper end of spool is connected, and is used to drive the up and down motion of spool and intermediate spool.
As it is further preferred that being equipped with O-ring four on the spool, the O-ring four is real under the thrust of little spring
Show the sealing of small flow mouth, O-ring three is installed on the intermediate spool, which realizes greatly under the thrust of big spring
The sealing of flow mouth.
As it is further preferred that be equipped with O-ring two on the upper valve body, it is equipped between the O-ring two and little spring
Block realizes the sealing between spool and upper valve body under the action of little spring and block.
As it is further preferred that being equipped with O-ring one in the lower valve body, which passes through upper valve body end face
Compress the sealing realized inside entire dispensing valve.
As it is further preferred that the lower end of the spool and the through-hole that coordinates with it are pyramidal structure.
As it is further preferred that the lower end of the spool is fitted with straight pin, the straight pin and the intermediate spool are slided
Dynamic cooperation, specifically, the side of intermediate spool is equipped with the strip hole being slidably matched with straight pin.
As it is further preferred that the Power Component includes the electric cylinders that are sequentially connected and cylinder, the cylinder with it is described
The upper end of spool is connected, and is controlled by high-frequency electromagnetic valve.
In general, by the above technical scheme conceived by the present invention compared with prior art, mainly have following
Technological merit：
1. the present invention has the function of to prevent liquid splash：Lower valve body lower end is evenly equipped with cylindrical hole, plays similar honeycomb lattice
The effect of grid allows liquid to pass through small sectional flow, Reynolds number reduction, liquid holding laminar condition over long distances, after ejecting
It will not be sputtered to surrounding.
2. the present invention, which has, prevents the remaining function of liquid：When spool is bonded with intermediate spool, spool lower end keeps stretching out
State can ensure, at the end of liquid, the residual liquid of intermediate valve in-core to be squeezed out；The cylinder that intermediate spool lower end is stretched out is under
The cylindrical hole of valve body lower end coordinates, and at the end of dispensing, intermediate spool lower end cylinder is put in the cylindrical hole of lower valve body lower end, will be remained
Drop in cylindrical hole squeezes out.
3. the present invention has the function of Multi-regulation flow：By the cooperation of electric cylinders and cylinder, controlled with high-frequency electromagnetic valve
Cylinder processed realizes that the drop of smallest drop amount so as to control accuracy, by being lifted electric cylinders height, controls flow valve openings of sizes, realizes
The Multi-regulation of flow.
Description of the drawings
Fig. 1 is the sectional view for the integrated anti-leakage type dispensing valve arrangement that the prior art proposes, in figure：1- piston rods 2-
Taper plug 3- pressure head 4- cone tank 5-O type circle 6- cones；
Fig. 2 is the sectional view for the antidrip flow control valve system that the prior art proposes, in figure：1- valve body 2- flanges 3-
One 11- gaskets two of cylinder 4- end cap 5- piston rod 6- big spring 7- pressing plate 8- pressure head 9- little spring 10- gaskets
One 13- trim rings of 12- trim rings, two 14- extension 15- spherical protuberances 16-O type sealing ring 17- feed inlet 18- connectors；
Fig. 3 is the structure diagram under the Anti-splash adjustable-flow dispensing valve discharge port completely closed state of the present invention,
In figure：One 7-O types circle of 1- electric cylinders 2- cylinder 3- wiper of rubber 4- guide ring 5- upper valve body 6-O types circles, two 8- blocks
Three 15-O types circle of spool 13- straight pin 14-O types circles, four 16- valves among 9- little spring 10- big spring 11- feed inlets 12-
Core 17- lower valve bodies；
Fig. 4 is the structure diagram under the Anti-splash adjustable-flow dispensing valve discharge port fully open state of the present invention；
Fig. 5,6 are that the small flow of Anti-splash adjustable-flow dispensing valve regulation of the present invention, the structure under big flow state are shown
It is intended to.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
It does not constitute a conflict with each other and can be combined with each other.
As shown in figure 3, Anti-splash adjustable-flow dispensing valve provided in an embodiment of the present invention, which includes spool group
Part and Power Component, wherein Power Component provide required power for the movement of core assembly, the associated components in core assembly
It realizes and moves up and down under the drive of Power Component, and then realize the adjusting of the size of fluid flow.Pass through above-mentioned various components
Mutual cooperation, while proportioning accuracy and speed is met, solve pollution caused by liquid splash and residual etc. and
The problems such as waste, have many advantages, such as Anti-splash, it is anti-residual, flow be adjusted, precision preparation it is high.
Below more specific detail will be carried out one by one to various components.
As shown in figure 3, core assembly includes upper valve body 5, lower valve body 17, spool 16 and intermediate spool 12, wherein, upper valve body
5 are connected with the upper end of lower valve body 17, which is hollow structure；Lower valve body 17 is similarly hollow structure, and side, which is equipped with, to be supplied
The feed inlet 11 that liquid enters, lower end are equipped with multiple uniformly distributed cylindrical holes as dispensing valve big flow mouth；Spool 16 is from upper valve
The upper end of body 5 is sequentially inserted into upper valve body 5 and the hollow structure of lower valve body 17, and little spring is equipped between spool 16 and upper valve body 5
9, which is sleeved on spool 16；Intermediate spool 12 is set between spool 16 and the inner wall of lower valve body 17, with spool 16
Fitting, and be slidably matched with spool 16, the upper end of intermediate spool 12 is equipped with ring flange, is equipped between the ring flange and upper valve body 5
Big spring 10, and the ring flange is equipped with uniformly distributed hole, and which is sleeved on spool 16, and positioned at little spring 9
External (i.e. little spring 9 is located at the inside of big spring 10), the lower end of the intermediate spool 12 with what 16 lower end of spool coordinated equipped with leading to
Hole and more and the close-fitting cylinder of the multiple cylindrical hole in lower valve body 17, wherein, through-hole is small as dispensing valve
Flow mouth by the way that the lower end of spool 16 is stretched into the through-hole of intermediate spool 12, can squeeze residual liquid in intermediate spool 12
Go out, by putting in every cylinder is corresponding in the cylindrical hole of lower valve body 17, the liquid remained in cylindrical hole can be squeezed out.
Further, in order to realize being slidably matched between intermediate spool 12 and spool 16, in the lower end of spool 16 level
Straight pin 13 is fitted with, which is slidably matched with intermediate spool 12, specifically, the side of intermediate spool 12 is equipped with and circle
The strip hole being vertically arranged that pin 13 is slidably matched.Thus when spool 16 moves up and down, by straight pin 13 in strip hole
In movement, it is ensured that the relative motion of spool 16 and intermediate spool 12, and when straight pin 13 moves to the top of strip hole
Or during bottom, when spool 16 continues movement, intermediate spool 12 and valve can be driven by strip hole to the position-limiting action of straight pin
Core 16 moves up and down together.Specifically, it is with the through-hole of the spool 16 cooperation on the lower end of spool 16 and intermediate spool 12
Pyramidal structure.In order to realize the installation of little spring, flange is provided on spool 16, from there through the lower end of flange and upper valve body 5
Face can realize the smooth installation of spring.
Again as shown in figure 3, Power Component is connected with the upper end of spool 16, it is used to drive spool 16 and intermediate spool 12
It moves up and down.Specifically, Power Component includes the electric cylinders 1 being sequentially connected and cylinder 2, cylinder 2 are connected with the upper end of spool 16.Its
In, cylinder 2 is controlled by high-frequency electromagnetic valve, and high-frequency electromagnetic valve is mounted near cylinder, is connected with cylinder by brachytracheae, PLC journeys
The opening/closing time control of sequence regulation and control high-frequency electromagnetic valve enters the amount of cylinder interior gas, quick so as to which cylinder band movable valve plug be controlled to carry out
It is flexible, since the reaction time is extremely short, can control and ooze the very small drop of quality, so as to fulfill the control of precision；Due to
High-frequency electromagnetic valve opening/closing time is extremely short, can be few by gas, so the tracheae of connection high-frequency electromagnetic valve and cylinder will be as possible
Short, otherwise gas does not enter cylinder also, and high-frequency electromagnetic valve is just turned off.
In order to realize the sealing of dispensing valve all parts, O-ring 4 15 is installed on spool 16, which can
The sealing between spool 16 and intermediate spool 12 is realized under the thrust of little spring 9 namely realizes the close of the small flow mouth of dispensing valve
Envelope；O-ring 3 14 is installed on intermediate spool 12, which can realize intermediate spool under the thrust of big spring 10
The sealing of sealing namely realization dispensing valve big flow mouth between 12 and lower valve body 17；O-ring two is installed on upper valve body 5
7, block 8 is equipped between the O-ring 27 and little spring 9, O-ring 27 can realize valve under the action of little spring 9 and block 8
Sealing between core 16 and upper valve body 5；O-ring 1 is installed, which passes through 5 end face of upper valve body in lower valve body 17
Compress the sealing realized inside entire dispensing valve.
The operation principle of dispensing valve of the present invention is described in detail with use state below.
As shown in figure 3, Anti-splash adjustable-flow dispensing valve is in completely closed state, 16 lower end of spool is compared with intermediate valve
12 lower end of core will be grown, and when sealing squeezes away the liquid inside intermediate spool 12, solves the problems, such as that valve port hangs with drop；It is intermediate
The uniformly distributed cylindrical hole in the uniformly distributed cylinder in 12 lower end of spool and 17 lower end of lower valve body is fitted close, and when sealing squeezes out liquid in hole,
Solves the problems, such as liquid residual.
As shown in figure 4, Anti-splash adjustable-flow dispensing valve is in the state fully opened, electric cylinders 1 drive cylinder 2 to stretch
Spool 16, spool 16 drive intermediate spool 12 to move up by straight pin 13, and intermediate 12 upper end of spool is lifted beyond feed inlet
11 upper ends, raw material enter from feed inlet 11, are then flowed out by the uniformly distributed cylindrical hole in 17 lower end of lower valve body, are at this time maximum flow
Value.Wherein, the uniformly distributed cylindrical hole in 17 lower end of lower valve body plays the role of similar honeycomb, and liquid is allowed to be flowed by small section
Dynamic, Reynolds number reduces, and liquid keeps laminar condition over long distances, will not be sputtered after ejecting to surrounding.
As shown in Figure 5,6, Anti-splash adjustable-flow dispensing valve can control spool 16 by electric cylinders 1 and cylinder 2
With the hoisting depth of intermediate spool 12, during different height, 11 openings of sizes of feed inlet differs, and realizing uninterrupted can be one
The function of arbitrarily regulating and controlling in a interval range.During small flow, cylinder 2 promotes spool 16 and reaches certain altitude (at this point, straight pin 13
Contacted with the top of strip hole, and do not drive intermediate valve core 12), raw material is entered by feed inlet 11 in 17 upper end of lower valve body
Then portion enters lower valve body by the gap between intermediate 12 upper end of spool and lower valve body 17 and the trepanning on intermediate spool 12
The inside of 17 lower ends, finally by 16 regulating flow size of spool, the through-hole stream of strip hole and lower end through intermediate spool 12
Go out.When needing big flow, electric cylinders 1 drive cylinder 2 to promote spool 16 to certain altitude, then drive intermediate spool 12 can
It is moved in moving section, by changing the size of feed inlet 11, realizes the control of uninterrupted.
To sum up, the present invention controls proportioning accuracy by spool 16 and the cooperation of intermediate spool 12, by intermediate spool 12 with
The size of the cooperation control flow of lower valve body 17, wherein, spool 16 coordinates with intermediate spool 12, intermediate spool 12 and lower valve body 17
Cooperation is controlled by two compressed springs；Valve seal is ensured using O-ring between upper valve body 5 and lower valve body 17, is pacified on spool 16
It is not revealed when ensureing that small flow is closed equipped with O-ring, O-ring on intermediate spool 12 is installed and ensures not let out when big flow is closed
Leakage；And the uniformly distributed cylindrical hole in 17 lower end of lower valve body can play the role of similar honeycomb, allow liquid by small sectional flow,
Reynolds number reduces, and liquid keeps laminar condition over long distances, will not be sputtered after ejecting to surrounding；Spool 16 and intermediate spool 12
During fitting, 16 lower end of spool keeps stretching state, can ensure, at the end of liquid, the residual liquid in intermediate spool 12 to be squeezed
Go out；The cylinder of intermediate 12 lower end of spool coordinates with the cylindrical hole of lower valve body lower end, at the end of dispensing, the circle of intermediate 12 lower end of spool
Column puts in the cylindrical hole of 17 lower end of lower valve body, can squeeze out the drop remained in cylindrical hole.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made all within the spirits and principles of the present invention etc., should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of Anti-splash adjustable-flow dispensing valve, which is characterized in that the dispensing valve includes core assembly and Power Component,
In：
The core assembly includes upper valve body (5), lower valve body (17), spool (16) and intermediate spool (12), wherein, the upper valve
Body (5) is connected with the upper end of the lower valve body (17), is hollow structure；The lower valve body (17) is similarly hollow structure,
Side is equipped with the feed inlet (11) entered for liquid, and lower end is equipped with multiple cylindrical holes as dispensing valve big flow mouth；The valve
Core (16) is sequentially inserted into from the upper end of the upper valve body (5) in upper valve body (5) and the hollow structure of lower valve body (17), and described
Little spring (9) is equipped between upper valve body (5)；The intermediate spool (12) is set on the inner wall of the lower valve body (17) and spool (16)
Between, and be slidably matched with the spool (16), the upper end is equipped with ring flange, is set between the ring flange and the upper valve body (5)
There is big spring (10), and ring flange is equipped with uniformly distributed hole, the lower end of the intermediate spool (12) is equipped with and the spool (16)
The close-fitting cylinder of cylindrical hole on the through-hole of lower end cooperation and more and lower valve body (17), the through-hole is as dispensing
The small flow mouth of valve, will be residual in intermediate spool (12) by the way that the lower end of spool (16) is stretched into the through-hole of intermediate spool (12)
The liquid stayed squeezes out, by the way that the cylinder is put in the cylindrical hole of the lower valve body (17), the liquid that will be remained in cylindrical hole
Body squeezes out；The Power Component is connected with the upper end of spool (16), is used to driving spool (16) and intermediate spool (12)
Lower movement.
2. Anti-splash adjustable-flow dispensing valve as described in claim 1, which is characterized in that be equipped on the spool (16)
O-ring four (15), the O-ring four (15) realize the sealing of small flow mouth, the intermediate spool under the thrust of little spring (9)
(12) O-ring three (14) is installed, which realizes the sealing of big flow mouth under the thrust of big spring (10) on.
3. Anti-splash adjustable-flow dispensing valve as claimed in claim 1 or 2, which is characterized in that pacify on the upper valve body (5)
Equipped with O-ring two (7), block (8) is equipped between the O-ring two (7) and little spring (9), in little spring (9) and block
(8) sealing between spool (16) and upper valve body (5) is realized under the action of.
4. Anti-splash adjustable-flow dispensing valve as claimed in claim 3, which is characterized in that installed on the lower valve body (17)
There is O-ring one (6), which realizes the sealing inside entire dispensing valve by the compression of upper valve body (5) end face.
5. Anti-splash adjustable-flow dispensing valve as claimed in claim 4, which is characterized in that the lower end of the spool (16) with
And the through-hole coordinated with it is pyramidal structure.
6. Anti-splash adjustable-flow dispensing valve as claimed in claim 5, which is characterized in that insert the lower end of the spool (16)
Equipped with straight pin (13), which is slidably matched with the intermediate spool (12), specifically, the side of intermediate spool (12)
Face is equipped with the strip hole being slidably matched with straight pin (13).
7. Anti-splash adjustable-flow dispensing valve as described in claim 1, which is characterized in that the Power Component is included successively
Connected electric cylinders (1) and cylinder (2), the cylinder (2) is connected with the upper end of the spool (16), by high-frequency electromagnetic valve control
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610955236.XA CN106402418B (en) | 2016-10-27 | 2016-10-27 | A kind of Anti-splash adjustable-flow dispensing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610955236.XA CN106402418B (en) | 2016-10-27 | 2016-10-27 | A kind of Anti-splash adjustable-flow dispensing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106402418A CN106402418A (en) | 2017-02-15 |
| CN106402418B true CN106402418B (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610955236.XA Active CN106402418B (en) | 2016-10-27 | 2016-10-27 | A kind of Anti-splash adjustable-flow dispensing valve |
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| CN (1) | CN106402418B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905765B (en) * | 2017-12-15 | 2024-04-05 | 江苏诚创智能装备有限公司 | Top drive splash-proof valve |
| JP6909740B2 (en) * | 2018-01-31 | 2021-07-28 | 株式会社鷺宮製作所 | Electric valve and refrigeration cycle system |
| KR20200108081A (en) * | 2018-02-06 | 2020-09-16 | 파이오니어 펫 프로덕츠, 엘엘씨 | A fraction with little splash |
| CN109519585B (en) * | 2018-10-26 | 2020-12-29 | 武汉智能装备工业技术研究院有限公司 | Valve opener and valve opening method |
| CN110274039B (en) * | 2019-06-19 | 2021-04-30 | 武汉智能装备工业技术研究院有限公司 | Adjustable anti-sputtering and anti-drip-leakage flow proportioning valve |
| CN110425326B (en) * | 2019-07-22 | 2021-04-30 | 武汉智能装备工业技术研究院有限公司 | Multi-liquid mixing accurate batching control method based on electronic scale signals |
| CN113803473B (en) * | 2021-08-30 | 2022-09-09 | 航宇救生装备有限公司 | Flow control air valve |
| CN116336201B (en) * | 2023-05-29 | 2023-08-08 | 河南省金凤化工有限公司 | Splash-proof discharge valve |
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|---|---|---|---|---|
| GB1506085A (en) * | 1975-07-25 | 1978-04-05 | Sulzer Ag | Valve combination having two valves and independent drives therefor |
| JPH06500623A (en) * | 1991-04-04 | 1994-01-20 | コヴェント アクティーゼルスカブ | Valves for fluid liquid phase media |
| WO2001036848A1 (en) * | 1999-11-16 | 2001-05-25 | Ramon Munoz Navarro | Fill valve assembly |
| CN102758923A (en) * | 2012-07-11 | 2012-10-31 | 宝应仁恒实业有限公司 | Integrated anti-leakage type batching valve |
| CN102758921A (en) * | 2012-07-30 | 2012-10-31 | 四川海川消防设备有限公司 | Pilot type electromagnetic switch gas valve |
| CN103982667A (en) * | 2014-05-19 | 2014-08-13 | 宝应仁恒实业有限公司 | Anti-leaking flow control valve |
-
2016
- 2016-10-27 CN CN201610955236.XA patent/CN106402418B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1506085A (en) * | 1975-07-25 | 1978-04-05 | Sulzer Ag | Valve combination having two valves and independent drives therefor |
| JPH06500623A (en) * | 1991-04-04 | 1994-01-20 | コヴェント アクティーゼルスカブ | Valves for fluid liquid phase media |
| WO2001036848A1 (en) * | 1999-11-16 | 2001-05-25 | Ramon Munoz Navarro | Fill valve assembly |
| CN102758923A (en) * | 2012-07-11 | 2012-10-31 | 宝应仁恒实业有限公司 | Integrated anti-leakage type batching valve |
| CN102758921A (en) * | 2012-07-30 | 2012-10-31 | 四川海川消防设备有限公司 | Pilot type electromagnetic switch gas valve |
| CN103982667A (en) * | 2014-05-19 | 2014-08-13 | 宝应仁恒实业有限公司 | Anti-leaking flow control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106402418A (en) | 2017-02-15 |
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