CN106402418A - Anti-sputtering material distributing valve adjustable in flow - Google Patents
Anti-sputtering material distributing valve adjustable in flow Download PDFInfo
- Publication number
- CN106402418A CN106402418A CN201610955236.XA CN201610955236A CN106402418A CN 106402418 A CN106402418 A CN 106402418A CN 201610955236 A CN201610955236 A CN 201610955236A CN 106402418 A CN106402418 A CN 106402418A
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- valve
- valve body
- valve element
- ring
- flow
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Classifications
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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
- 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
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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
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses an anti-sputtering material distributing valve adjustable in flow. The anti-sputtering material distributing valve comprises a valve core assembly and a power assembly. The valve core assembly comprises an upper valve body, a lower valve body, a valve core and a middle valve core. The upper valve body is connected with the upper end of the lower valve body and is of a hollow structure. The lower valve body is of a hollow structure, the side surface of the lower valve body is provided with a feeding inlet for allowing liquid to enter, and the lower end of the lower valve body is provided with a plurality of cylindrical holes serving as large flow openings of the material distributing valve. The valve core is sequentially inserted into the hollow structure of the upper valve body and the hollow structure of the lower valve body from the upper end of the upper valve body, and a small spring is arranged between the valve core and the upper valve body. The middle valve core is arranged between the valve core and the inner wall of the lower valve body and slidably matched with the valve core, a large spring is arranged between the middle valve core and the upper valve body, and the lower end of the middle valve core is provided with a through hole matched with the lower end of the valve core and a plurality of cylinders closely matched with the cylindrical holes in the lower valve body. The power assembly is connected with the upper end of the valve core and used for driving the valve core and the middle valve core to move up and down. The anti-sputtering material distributing valve adjustable in flow has the advantages of being capable of preventing sputtering and residues and adjusting the flow, high in preparation precision and the like.
Description
Technical field
The invention belongs to high accuracy dispensing valve field, more particularly, to a kind of Anti-splash adjustable-flow dispensing valve.
Background technology
At present, the dispensing valve using in essence and flavoring agent industry, cigar mill mainly adopts the following two kinds type：One is using such as
The switch valve of two shown in Fig. 1 cylinder+two stage conical, it mainly controls two stage conical valve by the three of cylinder positions
Opening and closing, during control accuracy, cylinder moves to first position, lifting first step valve, and when controlling big flow, cylinder moves to second
Position, the second level is lifted, and this kind of method is taper due to valve nozzle shape, when when preparing big flow, because the angle of divergence intersects,
Liquid can collide, and leads to liquid to around splashing；Two is as shown in Figure 2 two cylinder+two-stage straight mouth switch valve, with figure
1 scheme is similar, by controlling three positions of cylinder come lifting two-stage valve, thus realizing the control of low discharge and big flow, this
The method of kind reduces the spattering problem of liquid to a certain extent, but because long guiding is stretched out in front end, leads to have in a large number
Drop residual.Both the above method all there is a problem of certain, can only control two-stage flow using two cylinders it is impossible to one
Arbitrarily regulate and control in individual scope, liquid splash and residual cannot be solved the problems, such as simultaneously.
Content of the invention
Disadvantages described above for prior art or Improvement requirement, the invention provides a kind of Anti-splash adjustable-flow dispensing
Valve, what it passed through electric cylinders and cylinder combines controls, with using cylinder stretching control accuracy, big using electric cylinders lifting control flow
Little, while meeting proportioning accuracy and speed, solve the pollution that liquid splash and residual etc. lead to and waste etc. and ask
Topic, has the advantages that Anti-splash, anti-residual, flow scalable, precision preparation are high, is suitable for essence and flavoring agent, cigar mill and needs
Want the industries such as liquid charging stock preparation.
For achieving the above object, the present invention proposes a kind of Anti-splash adjustable-flow dispensing valve, and this dispensing valve includes valve
Core assembly and Power Component, wherein：
Described core assembly includes upper valve body, lower valve body, valve element and middle valve element, wherein, described upper valve body with described under
The upper end of valve body is connected, and it is hollow structure；Described lower valve body is similarly hollow structure, and its side is provided with entering of entering for liquid
Material mouth, lower end is provided with multiple cylindrical holes as dispensing valve big flow mouth；Described valve element is inserted successively from the upper end of described upper valve body
Enter in upper valve body and the hollow structure of lower valve body, it is provided with little spring and described upper valve body between；Described middle valve element is located at institute
State between the inwall of lower valve body and valve element, and be slidably matched with described valve element, its upper end is provided with ring flange, this ring flange with described
It is provided with big spring between upper valve body, and ring flange is provided with uniform hole, the lower end of this middle valve element is provided with and described valve element
The through hole of the lower end cooperation and many close-fitting cylinder with described cylindrical hole in lower valve body, described through hole is as dispensing valve
Low discharge mouth, by stretching into the lower end of valve element in the through hole of middle valve element, the liquid extrusion of intermediate valve in-core residual is passed through
Described cylinder is put in the cylindrical hole of described lower valve body, the liquid remaining in cylinder in the hole is extruded；Described Power Component with
The upper end of valve element is connected, and it is used for driving the up and down motion of valve element and middle valve element.
As it is further preferred that being provided with O-ring four on described valve element, this O-ring four is real under the thrust of little spring
The sealing of existing low discharge mouth, described middle valve element is provided with O-ring three, this O-ring three is realized greatly under the thrust of big spring
The sealing of flow mouth.
As it is further preferred that being provided with O-ring two on described upper valve body, it is provided between this O-ring two and little spring
Block, it realizes the sealing between valve element and upper valve body in the presence of little spring and block.
As it is further preferred that being provided with O-ring one in described lower valve body, this O-ring one passes through upper valve body end face
Compression realizes the sealing within whole dispensing valve.
As it is further preferred that the lower end of described valve element and the through hole coordinating with it are pyramidal structure.
As it is further preferred that the lower end of described valve element is fitted with straight pin, this straight pin and described middle valve element are slided
Dynamic cooperation, specifically, the side of middle valve element is provided with the strip hole being slidably matched with straight pin.
As it is further preferred that described Power Component includes the electric cylinders being sequentially connected and cylinder, described cylinder with described
The upper end of valve element is connected, and it is by high-frequency electromagnetic valve control.
In general, by the contemplated above technical scheme of the present invention compared with prior art, mainly possess following
Technological merit：
1. the present invention has the function of preventing liquid splash：Lower valve body lower end is evenly equipped with cylindrical hole, plays similar honeycomb lattice
The effect of grid, allows liquid pass through little sectional flow, Reynolds number reduces, liquid distance keeps laminar condition, after ejecting
Will not be to around sputtering.
2. the present invention has the function of preventing liquid residue：When valve element is fitted with middle valve element, valve element lower end keeps stretching out
State, ensure that at the end of joining liquid, by the residual liquid extrusion of intermediate valve in-core；The cylinder that middle valve element lower end is stretched out with
The cylindrical hole cooperation of valve body lower end, at the end of dispensing, middle valve element lower end cylinder puts in the cylindrical hole of lower valve body lower end, will remain
Drop extrusion in cylinder in the hole.
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 the drop of smallest drop amount thus control accuracy, by lifting electric cylinders height, controls flow valve openings of sizes, realizes
The Multi-regulation of flow.
Brief description
Fig. 1 is the sectional view of the integrated anti-leakage type dispensing valve arrangement that prior art proposes, in figure：1- piston rod 2-
Taper plug 3- pressure head 4- cone tank 5-O type circle 6- cone；
Fig. 2 is the sectional view of the antidrip flow-control valve system that prior art proposes, in figure：1- valve body 2- flange 3-
Cylinder 4- end cap 5- piston rod 6- big spring 7- pressing plate 8- pressure head 9- little spring 10- sealing gasket one 11- sealing gasket two
12- trim ring one 13- trim ring two 14- extension 15- spherical protuberances 16-O type sealing ring 17- charging aperture 18- connector；
Fig. 3 is the structural representation under the Anti-splash adjustable-flow dispensing valve discharging opening completely closed state of the present invention,
In figure：1- electric cylinders 2- cylinder 3- wiper of rubber 4- guide ring 5- upper valve body 6-O type circle one 7-O type circle two 8- block
Valve element 13- straight pin 14-O type circle three 15-O type circle four 16- valve in the middle of 9- little spring 10- big spring 11- charging aperture 12-
Core 17- lower valve body；
Fig. 4 be the present invention Anti-splash adjustable-flow dispensing valve discharging opening fully opened under structural representation；
Fig. 5,6 be the Anti-splash adjustable-flow dispensing valve regulation low discharge of the present invention, the structure under big flow state shows
It is intended to.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.As long as additionally, involved technical characteristic in each embodiment of invention described below
The conflict of not constituting each other just can be mutually combined.
As shown in figure 3, Anti-splash adjustable-flow dispensing valve provided in an embodiment of the present invention, this dispensing valve includes valve element group
Part and Power Component, wherein Power Component provide required power, the associated components in core assembly for the motion of core assembly
Realize moving up and down under the drive of Power Component, and then realize the regulation of the size of fluid flow.By each assembly above-mentioned
Cooperate, while meeting proportioning accuracy and speed, solve the pollution that liquid splash and residual etc. lead to and
The problems such as waste, have the advantages that Anti-splash, anti-residual, flow scalable, precision preparation are high.
More specific detail will be carried out one by one to each assembly below.
As shown in figure 3, core assembly includes upper valve body 5, lower valve body 17, valve element 16 and middle valve element 12, wherein, upper valve body
5 are connected with the upper end of lower valve body 17, and this upper valve body 5 is hollow structure；Lower valve body 17 is similarly hollow structure, and its side is provided with confession
The charging aperture 11 that liquid enters, lower end is provided with multiple uniform cylindrical holes as dispensing valve big flow mouth；Valve element 16 is from upper valve
The upper end of body 5 is sequentially inserted in upper valve body 5 and the hollow structure of lower valve body 17, is provided with little spring between valve element 16 and upper valve body 5
9, this little spring 9 is sleeved on valve element 16；, between the inwall of valve element 16 and lower valve body 17, it is with valve element 16 for middle valve element 12
Laminating, and be slidably matched with valve element 16, the upper end of middle valve element 12 is provided with ring flange, is provided between this ring flange and upper valve body 5
Big spring 10, and this ring flange is provided with uniform hole, and this big spring 10 is sleeved on valve element 16, and is located at little spring 9
Outside (i.e. little spring 9 is located at the inside of big spring 10), the lower end of this middle valve element 12 is provided with logical with the cooperation of valve element 16 lower end
The close-fitting cylinder of the plurality of cylindrical hole in hole and many and lower valve body 17, wherein, through hole is little as dispensing valve
The liquid of residual in middle valve element 12, by stretching into the lower end of valve element 16 in the through hole of middle valve element 12, can be squeezed by flow mouth
Go out, by by corresponding for the every cylinder cylindrical hole putting in lower valve body 17, the liquid extrusion of cylinder in the hole can be remained in.
Further, in order to realize being slidably matched between middle valve element 12 and valve element 16, in the lower end level of valve element 16
It is fitted with straight pin 13, this straight pin 13 is slidably matched with middle valve element 12, specifically, the side of middle valve element 12 is provided with and circle
The strip hole being vertically arranged that pin 13 is slidably matched.Thus when valve element 16 moves up and down, by straight pin 13 in strip hole
In motion it is ensured that the relative motion of valve element 16 and middle valve element 12, and work as the top that straight pin 13 moves to strip hole
Or during bottom, when valve element 16 continues motion, the position-limiting action to straight pin for the strip hole can be passed through, drive middle valve element 12 and valve
Core 16 moves up and down together.Specifically, the lower end of valve element 16 and middle valve element 12 are with the through hole of this valve element 16 cooperation
Pyramidal structure.In order to realize the installation of little spring, valve element 16 is provided with flange, from there through the lower end of flange and upper valve body 5
Face can achieve the smooth installation of spring.
Again as shown in figure 3, Power Component is connected with the upper end of valve element 16, it is used for driving valve element 16 and middle valve element 12
Move up and down.Specifically, Power Component includes the electric cylinders 1 being sequentially connected and cylinder 2, and cylinder 2 is connected with the upper end of valve element 16.Its
In, by high-frequency electromagnetic valve control, high-frequency electromagnetic valve is arranged near cylinder cylinder 2, is connected by brachytracheae with cylinder, PLC journey
The opening/closing time that sequence regulates and controls high-frequency electromagnetic valve controls the amount entering cylinder interior gas, thus controlling cylinder band movable valve plug to carry out quickly
Flexible, because the response time is extremely short, can control and ooze the very little drop of quality, thus realizing the control of precision；Due to
High-frequency electromagnetic valve opening/closing time is extremely short, can be few by gas, so it is to be tried one's best with the trachea of cylinder to connect high-frequency electromagnetic valve
Short, otherwise gas is also introduced into cylinder, 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 provided with valve element 16, this O-ring 4 15 can
Realize the sealing between valve element 16 and middle valve element 12 under the thrust of little spring 9, namely realize the close of dispensing valve low discharge mouth
Envelope；Middle valve element 12 is provided with O-ring 3 14, this O-ring 3 14 can realize middle valve element under the thrust of big spring 10
Sealing between 12 and lower valve body 17, namely realize the sealing of dispensing valve big flow mouth；O-ring two is provided with upper valve body 5
7, it is provided with block 8 between this O-ring 27 and little spring 9, O-ring 27 can realize valve in the presence of little spring 9 and block 8
Sealing between core 16 and upper valve body 5；O-ring 1 is provided with lower valve body 17, this O-ring 1 passes through upper valve body 5 end face
Compression realizes the sealing within whole dispensing valve.
Below the operation principle of dispensing valve of the present invention is described in detail with use state.
As shown in figure 3, Anti-splash adjustable-flow dispensing valve is in completely closed state, valve element 16 lower end is compared with intermediate valve
Core 12 lower end will be grown, and extrude away the liquid within middle valve element 12, solve the problems, such as that valve port hangs with drop during sealing；Middle
The uniform cylinder in the valve element 12 lower end cylindrical hole uniform with lower valve body 17 lower end is fitted close, and during sealing extrudes in the hole liquid,
Solve the problems, such as liquid residue.
As shown in figure 4, Anti-splash adjustable-flow dispensing valve is in the state fully opening, electric cylinders 1 drive cylinder 2 to stretch
Valve element 16, valve element 16 drives middle valve element 12 to move up by straight pin 13, and middle valve element 12 upper end is lifted beyond charging aperture
11 upper ends, raw material enters from charging aperture 11, then passes through the uniform cylindrical hole in lower valve body 17 lower end and flows out, now for maximum flow
Value.Wherein, the uniform cylindrical hole in lower valve body 17 lower end plays the effect of similar honeycomb, allows liquid pass through little section stream
Dynamic, Reynolds number reduces, and liquid distance keeps laminar condition, will not be to around sputtering after ejecting.
As shown in Figure 5,6, Anti-splash adjustable-flow dispensing valve can control valve element 16 by electric cylinders 1 and cylinder 2
With the hoisting depth of middle valve element 12, during differing heights, charging aperture 11 openings of sizes differs it is achieved that uninterrupted can be one
The function of arbitrarily regulation and control in individual interval range.During low discharge, cylinder 2 lifting valve element 16 reaches certain altitude (now, straight pin 13
Contact with the top of strip hole, and without disorder of internal organs between valve element 12), raw material by charging aperture 11 enter lower valve body 17 upper end interior
Portion, then enters into lower valve body by the perforate on the gap between middle valve element 12 upper end and lower valve body 17 and middle valve element 12
The inside of 17 lower ends, finally by valve element 16 regulating flow size, the strip hole through middle valve element 12 and the through hole stream of lower end
Go out.When needing big flow, electric cylinders 1 drive cylinder 2 lifting valve element 16 to certain altitude, then drive middle valve element 12 can
Move in moving section, by changing the size of charging aperture 11, realize the control of uninterrupted.
To sum up, the present invention passes through valve element 16 and controls proportioning accuracy with the cooperation of middle valve element 12, by middle valve element 12 with
The cooperation of lower valve body 17 controls the size of flow, and wherein, valve element 16 and middle valve element 12 coordinate, middle valve element 12 and lower valve body 17
Cooperation is controlled by two compression springs；Adopt O-ring to ensure valve seal between upper valve body 5 and lower valve body 17, valve element 16 is pacified
Ensure that low discharge is not revealed when closing equipped with O-ring, middle valve element 12 is provided with O-ring and ensures that big flow is not let out when closing
Leakage；And the uniform cylindrical hole in lower valve body 17 lower end can play the effect of similar honeycomb, liquid is allowed to pass through little sectional flow,
Reynolds number reduces, and liquid distance keeps laminar condition, will not be to around sputtering after ejecting；Valve element 16 and middle valve element 12
During laminating, valve element 16 lower end keeps stretching out state, ensure that at the end of joining liquid, the residual liquid in middle valve element 12 is squeezed
Go out；The cylinder of middle valve element 12 lower end is coordinated with the cylindrical hole of lower valve body lower end, at the end of dispensing, the circle of middle valve element 12 lower end
Post puts in the cylindrical hole of lower valve body 17 lower end, can extrude the drop remaining in cylinder in the hole.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not in order to
Limit the present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should comprise
Within protection scope of the present invention.
Claims (7)
1. a kind of Anti-splash adjustable-flow dispensing valve is it is characterised in that this dispensing valve includes core assembly and Power Component, its
In：
Described core assembly includes upper valve body (5), lower valve body (17), valve element (16) and middle valve element (12), wherein, described upper valve
Body (5) is connected with the upper end of described lower valve body (17), and it is hollow structure；Described lower valve body (17) is similarly hollow structure, its
Side is provided with the charging aperture (11) entering for liquid, and lower end is provided with multiple cylindrical holes as dispensing valve big flow mouth；Described valve
Core (16) is sequentially inserted into upper valve body (5) and the hollow structure of lower valve body (17) from the upper end of described upper valve body (5), its with described
It is provided with little spring (9) between upper valve body (5)；Described middle valve element (12) is located at inwall and the valve element (16) of described lower valve body (17)
Between, and be slidably matched with described valve element (16), its upper end is provided with ring flange, sets between this ring flange and described upper valve body (5)
There is big spring (10), and ring flange is provided with uniform hole, the lower end of this middle valve element (12) is provided with and described valve element (16)
The through hole of lower end cooperation and many and the upper close-fitting cylinder of described cylindrical hole of lower valve body (17), described through hole is as dispensing
The low discharge mouth of valve, by the lower end of valve element (16) is stretched in the through hole of middle valve element (12), will be residual in middle valve element (12)
The liquid extrusion stayed, by putting in described cylinder in the cylindrical hole of described lower valve body (17), will remain in the liquid of cylinder in the hole
Body is extruded；Described Power Component is connected with the upper end of valve element (16), and it is used for driving valve element (16) and middle valve element (12)
Lower motion.
2. Anti-splash adjustable-flow dispensing valve as claimed in claim 1 is it is characterised in that be provided with described valve element (16)
O-ring four (15), this O-ring four (15) realizes the sealing of low discharge mouth, described middle valve element under the thrust of little spring (9)
(12) O-ring three (14) is installed on, this O-ring three (14) realizes the sealing of big flow mouth under the thrust of big spring (10).
3. Anti-splash adjustable-flow dispensing valve as claimed in claim 1 or 2 is it is characterised in that described upper valve body (5) is above pacified
Equipped with O-ring two (7), it is provided with block (8) between this O-ring two (7) and little spring (9), it is in little spring (9) and block
(8) realize the sealing between valve element (16) and upper valve body (5) in the presence of.
4. Anti-splash adjustable-flow dispensing valve as claimed in claim 3 is it is characterised in that described lower valve body (17) is above installed
There is O-ring one (6), this O-ring one (6) realizes the sealing within whole dispensing valve by the compression of upper valve body (5) end face.
5. Anti-splash adjustable-flow dispensing valve as claimed in claim 4 it is characterised in that described valve element (16) lower end with
And the through hole coordinating with it is pyramidal structure.
6. Anti-splash adjustable-flow dispensing valve as claimed in claim 5 is it is characterised in that the lower end of described valve element (16) is inserted
Equipped with straight pin (13), this straight pin (13) is slidably matched with described middle valve element (12), specifically, the side of middle valve element (12)
Face is provided with the strip hole being slidably matched with straight pin (13).
7. the Anti-splash adjustable-flow dispensing valve as described in any one of claim 1-6 is it is characterised in that described Power Component
Including the electric cylinders (1) being sequentially connected and cylinder (2), described cylinder (2) is connected with the upper end of described valve element (16), and it is by high-frequency electrical
Magnet valve controls.
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 true CN106402418A (en) | 2017-02-15 |
| CN106402418B CN106402418B (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610955236.XA Active CN106402418B (en) | 2016-10-27 | 2016-10-27 | A kind of Anti-splash adjustable-flow dispensing valve |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905765A (en) * | 2017-12-15 | 2018-04-13 | 扬州诚创石油机械有限公司 | Drive plash proof valve in one kind top |
| CN109519585A (en) * | 2018-10-26 | 2019-03-26 | 武汉智能装备工业技术研究院有限公司 | One kind opening valve device and opens valve method |
| CN110274039A (en) * | 2019-06-19 | 2019-09-24 | 武汉智能装备工业技术研究院有限公司 | A kind of Anti-splash antidrip adjustable-flow ingredient valve |
| CN110425326A (en) * | 2019-07-22 | 2019-11-08 | 武汉智能装备工业技术研究院有限公司 | A kind of plurality of liquid mixing accurate dosing control method based on electronic scale signal |
| CN111819007A (en) * | 2018-02-06 | 2020-10-23 | 先锋宠物用品有限责任公司 | Low splash fountain |
| CN113803473A (en) * | 2021-08-30 | 2021-12-17 | 航宇救生装备有限公司 | Flow regulating air valve |
| CN114483980A (en) * | 2018-01-31 | 2022-05-13 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN116336201A (en) * | 2023-05-29 | 2023-06-27 | 河南省金凤化工有限公司 | Splash-proof discharge valve |
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| CN107905765A (en) * | 2017-12-15 | 2018-04-13 | 扬州诚创石油机械有限公司 | Drive plash proof valve in one kind top |
| CN114483980A (en) * | 2018-01-31 | 2022-05-13 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN114483980B (en) * | 2018-01-31 | 2024-06-11 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN111819007A (en) * | 2018-02-06 | 2020-10-23 | 先锋宠物用品有限责任公司 | Low splash fountain |
| CN109519585A (en) * | 2018-10-26 | 2019-03-26 | 武汉智能装备工业技术研究院有限公司 | One kind opening valve device and opens valve method |
| CN110274039A (en) * | 2019-06-19 | 2019-09-24 | 武汉智能装备工业技术研究院有限公司 | A kind of Anti-splash antidrip adjustable-flow ingredient valve |
| CN110425326A (en) * | 2019-07-22 | 2019-11-08 | 武汉智能装备工业技术研究院有限公司 | A kind of plurality of liquid mixing accurate dosing control method based on electronic scale signal |
| 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 |
| CN113803473A (en) * | 2021-08-30 | 2021-12-17 | 航宇救生装备有限公司 | Flow regulating air valve |
| 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 |
| CN116336201A (en) * | 2023-05-29 | 2023-06-27 | 河南省金凤化工有限公司 | Splash-proof discharge valve |
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| CN106402418B (en) | 2018-06-19 |
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