CN109751426A - A kind of dynamic flow balance valve - Google Patents
A kind of dynamic flow balance valve Download PDFInfo
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- CN109751426A CN109751426A CN201910163238.9A CN201910163238A CN109751426A CN 109751426 A CN109751426 A CN 109751426A CN 201910163238 A CN201910163238 A CN 201910163238A CN 109751426 A CN109751426 A CN 109751426A
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- valve
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- mobile jib
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Abstract
The present invention provides a kind of dynamic flow balance valves, including valve body and are installed on the valve deck of the valve body, pass through first seal between the valve deck and valve body and are tightly connected；The valve body is provided with inlet and liquid outlet；It is characterized in that, further including main valve core assembly, auxiliary valve core component, the first valve seat and the second valve seat.The main valve core assembly, including main valve stem and main valve plug.The auxiliary valve core component, including auxiliary valve rod and auxiliary valve core.The secondary bar stem passes through first hole and extends in the mobile jib stem, and the mobile jib stem and the secondary bar stem are coaxially disposed；First valve seat and the second valve seat are respectively arranged in the valve inner.Inner spool for controlling flow equilibrium is coaxially disposed in the outer valve core inside being opened and closed for control valve, can reduce valve volume and weight；Convenient for valve body processing and manufacturing；The disassembly efficiency of valve, convenient for safeguarding and maintenance can be improved.
Description
Technical field
The present invention relates to field of fluid control, specifically a kind of dynamic flow balance valve.
Background technique
In industrial pipeline, and in order to maintain pipeline flow constant, dynamic flow balance valve is usually installed in the duct.
Dynamic flow balance valve relies primarily on the pressure difference acted on spool, realizes spool and valve seat aperture variation control flow, in turn
It is constant that pipeline flow can be achieved.
Existing dynamic flow balance valve, for controlling the spool of flow equilibrium and for control valve opening and closing main valve plug point
Not She Zhi above and below valve body two sides；Cavity for generating pressure difference is placed on the outside of valve body, and there are multiple groups diversion pipe, causes valve
Body volume is larger, is not easy to install.Structure is complicated in valve body cavity, is unfavorable for valve body processing and manufacturing and brings each component peace of valve
Therefore the problems such as dress is complicated in view of above-mentioned, designs a kind of dynamic flow balance valve of new construction.
Summary of the invention
The technical problem to be solved by the present invention is reducing the volume and weight of valve, it is conducive in valve body processing and manufacturing and valve
The handling of each part.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of dynamic flow balance valve is provided, including valve body and is installed on the valve deck of the valve body, the valve deck and valve body
Between pass through first seal be tightly connected；The valve body is provided with inlet and liquid outlet；It is characterized in that, further including main valve
Core assembly, auxiliary valve core component, the first valve seat and the second valve seat.The main valve core assembly, including main valve stem and main valve plug.The master
Valve rod includes mobile jib stem, and the mobile jib stem is tubular structure；Mobile jib stem one end is provided with interconnecting piece, the upper interconnecting piece
For being connect with the driver of the main valve plug component movement is driven；The mobile jib stem other end is provided with lower interconnecting piece, described
Lower interconnecting piece and the main valve plug are tightly connected；The main valve plug and the mobile jib stem are coaxially disposed.Main valve wire mandrel position
It sets and offers successively in the first hole, the second hole and the third hole of ladder arrangement, first hole internal diameter, the second hole internal diameter ruler
Very little and third hole internal diameter is incremented by successively；The main valve plug peripheral wall offers multiple 4th holes, each 4th hole difference
Run through second hole；The main valve plug is provided with sealed end.
The auxiliary valve core component, including auxiliary valve rod and auxiliary valve core.The auxiliary valve rod includes secondary bar stem, secondary bar stem one end
Screw thread is equipped with the first lantern ring and is slidably mounted on the second lantern ring of the secondary bar stem outer wall；First lantern ring and the second lantern ring
Between spring is installed；The secondary bar stem other end is provided with bar shoulder, and the bar shoulder diameter is greater than the secondary bar stem diameter；It is described
Bar point of shoulder portion is provided with head, and the head diameter is greater than the bar shoulder diameter.The auxiliary valve core end offers disk hole, the bar
Head is connected in the disk hole, and the secondary bar stem and the auxiliary valve core are coaxially disposed；The auxiliary valve core end is provided with throttling end.
The secondary bar stem passes through first hole and extends in the mobile jib stem, the bar shoulder be slidingly sealed be installed on it is described
In second hole, the mobile jib stem and the secondary bar stem are coaxially disposed.
Multiple retaining rings for sealing are provided between the secondary bar stem outer wall and the first hole inner wall；Second hole, retaining ring,
4th hole and the bar shoulder constitute pressure chamber;Second lantern ring outer ring screw thread is installed on the mobile jib stem inner wall.
The mobile jib stem outer wall passes through second seal and the valve bonnet seal and is slidably connected.
First valve seat and the second valve seat are respectively arranged in the valve inner, first valve seat and second valve
Seat coaxial arrangement, constitutes intermediate cavity between first valve seat and the second valve seat；First valve seat and the main valve plug are coaxial
Setting, and the sealing surface of the sealed end and first valve seat is oppositely arranged；Second valve seat and the auxiliary valve core are same
Axis setting, and the throttling end and the sealing surface of second valve seat are oppositely arranged, and the auxiliary valve core is placed in the intermediate cavity
It is interior.
The main valve plug, the first valve seat and the inlet end constitute epicoele;Under second valve seat and liquid outlet are constituted
Chamber.
Preferably, the mobile jib stem inner wall is provided with the first mounting portion, it is equipped in first mounting portion multiple steady
Fixed circle, each stabilization ring are connect with the secondary bar stem outer wall respectively.
Preferably, the connecting pin of the mobile jib stem and the main valve plug is provided with the second mounting portion, second installation
Portion is the structure of flute profile, installs third sealing element in the bathtub construction, the third sealing element be fixed on the main valve plug and
It is placed at the aperture in first hole；The third sealing element is circular ring structure, and the circular ring structure inner ring diameter is less than described the
One hole aperture；The third sealing element inner ring is connected to the secondary bar stem peripheral wall.
Preferably, the main valve plug end is provided with end slot, the end slot is ring structure；The auxiliary valve core is towards institute
It states main valve plug end and external member is installed, the external member is tubular structure, and the tubular structure peripheral wall offers multiple aperture of doors；The set
Part end is equipped with pressing ring；The external member is slidably mounted in the end slot.
Preferably, the 4th bore ends are equipped with plug.
Preferably, the distance of second valve seat to the auxiliary valve core can be adjusted.
The invention has the advantages that the inner spool coaxial arrangement for controlling flow equilibrium is opened and closed in for control valve
Outer valve core inside, counter balance pocket and deflector hole be respectively placed in outer spool, therefore, can reduce valve volume and weight；Due to interior
Outer spool concentrated setting, can reduce valve inner structure, fabricate convenient for valve body；Combined spool can be installed outside valve body
To install after assembly with valve body, the disassembly efficiency of valve, convenient for safeguarding and maintenance can be improved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is valve closed state structural schematic diagram provided by the embodiment of the present invention；
Fig. 2 is valve main valve plug opening state structural schematic diagram provided by the embodiment of the present invention；
Fig. 3 is valve auxiliary valve core opening state structural schematic diagram provided by the embodiment of the present invention；
Fig. 4 is main valve plug component structure diagram provided by the embodiment of the present invention；
Fig. 5 is auxiliary valve core component structure diagram provided by the embodiment of the present invention；
In figure: 1- valve body, 1.1- inlet, 1.2- liquid outlet, 2- valve deck, 3- main valve core assembly, 310- main valve stem connect on 311-
Socket part, 312- mobile jib stem, the first mounting portion of 313-, the second mounting portion of 314-, interconnecting piece under 315-, 320- main valve plug, 321-
One hole, the second hole 322-, 323- third hole, the 4th hole 324-, 325- end slot, 326- sealed end, 4- auxiliary valve core component, 410- pair
Valve rod, the first lantern ring of 411-, 412- spring, the second lantern ring of 413-, 414- retaining ring, 415- bar shoulder, 416- head, 417- secondary bar
Stem, 420- auxiliary valve core, 421- disk hole, 423- throttling end, 430- external member, 431- aperture of door, 440- pressing ring, the first valve seat of 5-,
6- first seal, 7- second seal, 8- third sealing element, 9- stabilization ring, the second valve seat of 10-, a- epicoele, among b-
Chamber, c- cavity of resorption, d- press chamber.
Specific embodiment
Above scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are for illustrating
The present invention is not intended to limit the scope of the invention.Implementation condition used in the examples can be done according to the condition of specific producer into
One successive step, the implementation condition being not specified are usually the condition in routine experiment.
As shown in Figure 1-Figure 3, in a specific embodiment, a kind of dynamic flow balance valve, including valve body 1 and valve deck 2,
The valve body 1 is provided with inlet 1.1 and liquid outlet 1.2；It further include for application valve body opening and closing main valve core assembly 3, for controlling
The constant auxiliary valve core component 4 of flow processed, the first valve seat 5 being used cooperatively with main valve core assembly 3 make with the cooperation of auxiliary valve core component 4
Second valve seat 10.
As shown in figure 4, main valve core assembly 3 includes main valve stem 310 and main valve plug 320, main valve stem 310 is for pulling main valve plug
320 move back and forth, and adjust main valve plug 320 at a distance from the first valve seat 5, realize valve opening and closing.
As shown in figure 4, main valve stem 310 includes the mobile jib stem 312 of tubular structure, 312 one end of mobile jib stem is provided with connection
Portion 311, upper interconnecting piece 311 are connected with the driver for driving main valve core assembly 3 to move back and forth, and then can realize valve certainly
Dynamic control.312 other end of mobile jib stem is provided with lower interconnecting piece 315, and lower interconnecting piece 315 is tightly connected with main valve plug 320, realizes master
Valve rod 310 and main valve plug 320 are installed, and are coaxially disposed main valve plug 320 and mobile jib stem 312 after installation, are conducive to improve valve seal
Degree.
As shown in figure 4, being offered on 320 axis of main valve plug successively in the first hole 321 of ladder arrangement, 322 and of the second hole
Third hole 323,321 internal diameter of the first hole, 322 internal diameter of the second hole and 323 internal diameter of third hole are sequentially increased；Main valve
320 peripheral wall of core offers multiple 4th holes 324, and each 4th hole 324 runs through the second hole 322 respectively.
As shown in figure 5, auxiliary valve core component 4, including auxiliary valve rod 410 and auxiliary valve core 420, auxiliary valve rod 410 is for pulling secondary valve
Core 420 moves back and forth, and realizes that auxiliary valve core 420 is used cooperatively with the second valve seat 10.
As shown in figure 5, auxiliary valve rod 410 includes secondary bar stem 417,417 threaded one end of secondary bar stem is equipped with the first lantern ring 411,
First lantern ring 411 can carry out position adjusting along 417 axis direction of secondary bar stem by screw-driven；It also installs 417 one end of secondary bar stem
There is the second lantern ring 413, the second lantern ring 413 can be slided along 417 axis direction of secondary bar stem, 413 inner ring of the second lantern ring and secondary bar
The cooperation of 417 crest clearance of stem；Spring 412 is installed between the first lantern ring 411 and the second lantern ring 413, spring 412 is pressure spring,
Its both ends is connected to the first lantern ring 411 and the second lantern ring 413, therefore, by fixing the first lantern ring 411 or the second lantern ring
413 one of those, adjust another, it can be achieved that spring 412 compression.417 other end of secondary bar stem is provided with bar shoulder 415, bar
415 diameter of shoulder is greater than 417 diameter of secondary bar stem；415 end of bar shoulder is provided with head 146, and it is straight that 146 diameter of head is greater than bar shoulder 415
Diameter, it follows that secondary bar stem 417, bar shoulder 415 and 146 three of head constitute stepped shaft structure.
As shown in figure 5,420 end of auxiliary valve core offers disk hole 421, head 146 is threadedly connected in disk hole 421, is realized secondary
The connection of bar stem 417 and auxiliary valve core 420, secondary bar stem 417 and auxiliary valve core 420 are coaxially disposed after connection.
Main valve core assembly 3 and auxiliary valve core component 4 are installed, as shown in Figure 1-Figure 3, by 413 outer ring screw thread of the second lantern ring
It is installed on 312 inner wall of mobile jib stem；417 one end of secondary bar stem is passed through the first hole 321 again to extend in mobile jib stem 312, by spring 412
The end is installed and spring 412 is installed between the first lantern ring 411 and the second lantern ring 413 by the first lantern ring 411；Pass through adjusting
Installation site of second lantern ring 413 in mobile jib stem 312, is installed on 415 slidable sealing of bar shoulder in the second hole 322, installation
Mobile jib stem 312 and secondary bar stem 417 are coaxially disposed afterwards, and main valve plug 320 and 420 connection sealing of auxiliary valve core and opposite fortune can be improved
Dynamic fluency.In order to improve the leakproofness of 321 inner wall of 417 outer wall of secondary bar stem and the first hole and improve secondary bar stem 417 first
The guiding performance in hole 321, is provided with multiple retaining rings 414 between 321 inner wall of 417 outer wall of secondary bar stem and the first hole, and retaining ring 414 is elasticity
And wear-resisting material is made.It can be seen that, 415 slidable sealing of bar shoulder is installed in the second hole 322, and secondary bar stem by above-mentioned
417 outer walls and 321 inner wall of the first hole are sealed setting, and retaining ring 414, the 4th hole 324 and bar shoulder 415 is made to constitute pressure chamber d.
In use, as shown in Figure 1-Figure 3, in order to avoid the rolling of the too long production in mobile jib stem 312 of secondary bar stem 417
It is dynamic, 312 inner wall of mobile jib stem is provided with the first mounting portion 313, multiple stabilization rings 9 are installed in the first mounting portion 313, each
Stabilization ring 9 is connect with 417 outer wall of secondary bar stem respectively, plays righting and guiding role to secondary bar stem 417.
In use, as shown in Figure 1-Figure 3, it in order to avoid stabilization ring 9 is skidded off from 321 aperture of the first hole, and protects
It demonstrate,proves multiple stabilization rings 9 and 321 inner wall of the first hole completely attaches to, need to limit stabilization ring 9；Limit method is, in mobile jib
The connecting pin of stem 312 and main valve plug 320 is provided with the second mounting portion 314 for placing third sealing element 8, the second mounting portion
314 be the structure of flute profile, and third sealing element 8 is mounted in bathtub construction, and third sealing element 8 is fixed on main valve by screw
It core 320 and is placed at the aperture in the first hole 321；Third sealing element 8 is circular ring structure, and the circular ring structure inner ring diameter is less than the first hole
321 apertures；8 inner ring of third sealing element is connected to 417 peripheral wall of secondary bar stem, and the bearing capacity of stabilization ring 9 also can be improved.
Mobile jib stem 312 and valve deck 2 are installed, and as shown in Figure 1-Figure 3, mobile jib stem 312 passes through valve deck 2, make 312 outer wall of mobile jib stem
It seals and is slidably connected with valve deck 2 by second seal 7.
Valve seat and valve body are installed, and as shown in Figure 1-Figure 3, the first valve seat 5 and the second valve seat 10 are respectively arranged in valve body 1
Portion, and be sealed with 1 junction of valve body, it is coaxially disposed the first valve seat 5 and the second valve seat 10, the first valve seat 5 and second
Intermediate cavity b is constituted between valve seat 10.
Valve body and valve deck are installed, and as shown in Figure 1-Figure 3, valve deck 2 is installed on valve body 1, and flange can be used in valve body 1 and valve deck 2
Or thread forms connection, it is sealed with 1 junction of valve body by first seal 6 in valve deck 2, first seal 6 can be used
Rubber ring or Graphite pad.
After valve deck 2 and valve body 1 are installed, it is coaxially disposed the first valve seat 5 with main valve plug 320, main valve plug 320 is provided with sealing
The sealing surface of end 326, sealed end 326 and the first valve seat 5 is oppositely arranged, is coaxially disposed the second valve seat 10 with auxiliary valve core 420, secondary
420 end of spool is provided with throttling end 423；Throttling end 423 and the sealing surface of the second valve seat 10 are oppositely arranged；Auxiliary valve core 420 is set
It is constituted in intermediate cavity b between the first valve seat 5 and the second valve seat 10.
Main valve plug 320, the first valve seat 5 constitute epicoele a with 1.1 end of inlet;Under second valve seat 10 is constituted with liquid outlet 1.2
Chamber c.
In use, as Figure 1-Figure 5, in order to avoid auxiliary valve core 420 generates shaking by water impact, end is improved
Portion's stability, 320 end of main valve plug are provided with the end slot 325 of ring structure；It is installed in auxiliary valve core 420 towards 320 end of main valve plug
There is the external member 430 of tubular structure, and offers multiple aperture of doors for fluid flow 431,430 end of external member peace in its peripheral wall
Equipped with pressing ring 440, pressing ring 440 can play the role of sealing；External member 430 is slidably mounted in end slot 325, therefore, by above-mentioned
Connection can play stable and guiding role to auxiliary valve core 420, further increase service performance and stability.
In order to realize valve, throttle functionality can be equipped with plug in 324 end of the 4th hole as Figure 1-Figure 5, lead to
Crossing plug can prevent fluid from entering in the second hole 322, make to press there is no pressure in chamber d, and auxiliary valve core 420 will not be pushed, therefore,
Only exist the function that the first valve seat 5 realizes valve opening and closing with the cooperation of main valve plug 320.
It, as shown in Figure 1-Figure 3, can be by the second valve seat 10 to auxiliary valve core 420 for the ease of the adjusting of valve firm discharge
Distance is adjusted.When distance increases in the range of setting for main valve plug 320 and the first valve seat 5, make auxiliary valve core 420 to the second
The distance of valve seat 10 increases with it, and in order to keep auxiliary valve core 420 constant at a distance from the second valve seat 10, needs to adjust the second valve seat
Therefore 10 installation site in valve body 1 realizes the function of accurately controlling flow.
Working principle: inlet 1.1 is enabled flow through by pipeline pressure and flow to liquid outlet 1.2；When the first valve seat 5 and master
After the aperture of spool 320 is fixed, in the case where pipeline pressure is constant, flow is constant, and generates in epicoele a and intermediate cavity b
Constant pressure difference, in the case where epicoele a and intermediate cavity b pressure difference become, auxiliary valve core 420 and the second valve seat 10 are opened apart from inconvenience
Degree is inconvenient；When pipeline pressure increases, the pressure in chamber d is pressed to be consequently increased, when the pressure increase in pressure chamber d is to greater than spring
When 412 elastic force, presses pressure in chamber d that auxiliary valve core component 4 can be pushed to move to 10 direction of the second valve seat, make auxiliary valve core 420 and second
Aperture between valve seat 10 becomes smaller, and realizes the function of throttling and control flow.On the contrary, adding when pipeline pressure reduces, chamber d internal pressure is pressed
Power also reduces therewith, when the pressure in chamber d being pressed to be less than 412 elastic force of spring, makes auxiliary valve core component 4 to remote by 412 thrust of spring
It is moved from 10 direction of the second valve seat, the aperture between auxiliary valve core 420 and the second valve seat 10 is made to become larger, and then it is constant to control flow.
412 thrust of spring can be by screwing the first lantern ring 411, making the second lantern ring 413 and 411 compressed spring 412 of the first lantern ring or making bullet
Spring 412 extends, and increases or reduces the elasticity of spring 412, and then controls the power that driving auxiliary valve core 420 moves.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (6)
1. a kind of dynamic flow balance valve, including valve body and it is installed on the valve deck of the valve body, between the valve deck and valve body
It is tightly connected by first seal；The valve body is provided with inlet and liquid outlet；It is characterized in that, further including main valve plug group
Part, auxiliary valve core component, the first valve seat and the second valve seat；
The main valve core assembly, including main valve stem and main valve plug；
The main valve stem includes mobile jib stem, and the mobile jib stem is tubular structure；Mobile jib stem one end is provided with interconnecting piece, institute
Interconnecting piece is stated for connecting with the driver of the main valve plug component movement is driven；The mobile jib stem other end is provided with lower company
Socket part, the lower interconnecting piece and the main valve plug are tightly connected；The main valve plug and the mobile jib stem are coaxially disposed；
The main valve plug axial location offers successively in the first hole, the second hole and the third hole of ladder arrangement, first hole
Internal diameter, the second hole internal diameter and third hole internal diameter are incremented by successively；The main valve plug peripheral wall offers multiple four
Hole, each 4th hole run through second hole respectively；The main valve plug is provided with sealed end；
The auxiliary valve core component, including auxiliary valve rod and auxiliary valve core；
The auxiliary valve rod includes secondary bar stem, and the secondary bar stem threaded one end is equipped with the first lantern ring and is slidably mounted on the secondary bar
Second lantern ring of stem outer wall；Spring is installed between first lantern ring and the second lantern ring；The secondary bar stem other end is provided with
Bar shoulder, the bar shoulder diameter are greater than the secondary bar stem diameter；Bar point of shoulder portion is provided with head, and the head diameter is greater than institute
State bar shoulder diameter；
The auxiliary valve core end offers disk hole, and the head is connected in the disk hole, and the secondary bar stem and the auxiliary valve core are same
Axis setting；The auxiliary valve core end is provided with throttling end；
The secondary bar stem passes through first hole and extends in the mobile jib stem, and the bar shoulder, which is slidingly sealed, is installed on described second
In hole, the mobile jib stem and the secondary bar stem are coaxially disposed；
Multiple retaining rings for sealing are provided between the secondary bar stem outer wall and the first hole inner wall；Second hole, retaining ring, the 4th
Hole and the bar shoulder constitute pressure chamber;Second lantern ring outer ring screw thread is installed on the mobile jib stem inner wall；
The mobile jib stem outer wall passes through second seal and the valve bonnet seal and is slidably connected；
First valve seat and the second valve seat are respectively arranged in the valve inner, and first valve seat and second valve seat are same
Axis setting, constitutes intermediate cavity between first valve seat and the second valve seat；First valve seat and the main valve plug are coaxially disposed,
And the sealing surface of the sealed end and first valve seat is oppositely arranged；Second valve seat is coaxially set with the auxiliary valve core
It sets, and the throttling end and the sealing surface of second valve seat are oppositely arranged, the auxiliary valve core is placed in the intermediate cavity；
The main valve plug, the first valve seat and the inlet end constitute epicoele;Second valve seat and liquid outlet constitute cavity of resorption.
2. a kind of dynamic flow balance valve as described in claim 1, which is characterized in that the mobile jib stem inner wall is provided with first
Mounting portion, multiple stabilization rings are equipped in first mounting portion, and each stabilization ring connects with the secondary bar stem outer wall respectively
It connects.
3. a kind of dynamic flow balance valve as described in claim 1, which is characterized in that the mobile jib stem and the main valve plug
Connecting pin is provided with the second mounting portion, and second mounting portion is the structure of flute profile, installation third sealing in the bathtub construction
Part, the third sealing element are fixed on the main valve plug and are placed at the aperture in first hole；The third sealing element is circle
Ring structure, the circular ring structure inner ring diameter are less than first hole aperture；The third sealing element inner ring is connected to the secondary bar
Stem peripheral wall.
4. a kind of dynamic flow balance valve as described in claim 1, which is characterized in that the main valve plug end is provided with end
Slot, the end slot are ring structure；The auxiliary valve core is equipped with external member towards the main valve plug end, and the external member is tubular knot
Structure, the tubular structure peripheral wall offer multiple aperture of doors；The external member end is equipped with pressing ring；The external member is slidably mounted on institute
It states in end slot.
5. a kind of dynamic flow balance valve as described in claim 1, which is characterized in that the 4th bore ends are equipped with stifled
Head.
6. a kind of dynamic flow balance valve as described in claim 1, which is characterized in that second valve seat to the auxiliary valve core
Distance can be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910163238.9A CN109751426B (en) | 2019-03-05 | 2019-03-05 | Dynamic flow balance valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910163238.9A CN109751426B (en) | 2019-03-05 | 2019-03-05 | Dynamic flow balance valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109751426A true CN109751426A (en) | 2019-05-14 |
| CN109751426B CN109751426B (en) | 2020-06-26 |
Family
ID=66407949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910163238.9A Active CN109751426B (en) | 2019-03-05 | 2019-03-05 | Dynamic flow balance valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109751426B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623457A (en) * | 2020-05-09 | 2021-11-09 | 中国石油天然气集团有限公司 | Throttle valve |
| CN114562602A (en) * | 2020-11-27 | 2022-05-31 | 株式会社鹭宫制作所 | Electric valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN85103303A (en) * | 1985-05-04 | 1986-10-29 | 哈尔滨铁路局减速顶调速系统研究中心 | Controlled acceleration top |
| RU2092736C1 (en) * | 1992-02-19 | 1997-10-10 | Юрий Николаевич Пушин | Electromagnetic valve |
| CN204533655U (en) * | 2014-12-05 | 2015-08-05 | 重庆市朗泰机械有限公司 | A kind of Spool assembly of driven valve |
| CN205401831U (en) * | 2016-03-11 | 2016-07-27 | 上海嘉迪机械有限公司 | Vacuum cross valve of mechanical type |
| CN206637046U (en) * | 2017-03-29 | 2017-11-14 | 王志刚 | It may filter that formula single-seat adjusting valve |
| CN206972960U (en) * | 2017-03-17 | 2018-02-06 | 永康市良工阀门有限公司 | A kind of double spool flow throttling ball valves |
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2019
- 2019-03-05 CN CN201910163238.9A patent/CN109751426B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103303A (en) * | 1985-05-04 | 1986-10-29 | 哈尔滨铁路局减速顶调速系统研究中心 | Controlled acceleration top |
| RU2092736C1 (en) * | 1992-02-19 | 1997-10-10 | Юрий Николаевич Пушин | Electromagnetic valve |
| CN204533655U (en) * | 2014-12-05 | 2015-08-05 | 重庆市朗泰机械有限公司 | A kind of Spool assembly of driven valve |
| CN205401831U (en) * | 2016-03-11 | 2016-07-27 | 上海嘉迪机械有限公司 | Vacuum cross valve of mechanical type |
| CN206972960U (en) * | 2017-03-17 | 2018-02-06 | 永康市良工阀门有限公司 | A kind of double spool flow throttling ball valves |
| CN206637046U (en) * | 2017-03-29 | 2017-11-14 | 王志刚 | It may filter that formula single-seat adjusting valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623457A (en) * | 2020-05-09 | 2021-11-09 | 中国石油天然气集团有限公司 | Throttle valve |
| CN114562602A (en) * | 2020-11-27 | 2022-05-31 | 株式会社鹭宫制作所 | Electric valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109751426B (en) | 2020-06-26 |
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