CN205479436U - Multistage governing valve of making an uproar that falls of cavitation resistance - Google Patents
Multistage governing valve of making an uproar that falls of cavitation resistance Download PDFInfo
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- CN205479436U CN205479436U CN201620045649.XU CN201620045649U CN205479436U CN 205479436 U CN205479436 U CN 205479436U CN 201620045649 U CN201620045649 U CN 201620045649U CN 205479436 U CN205479436 U CN 205479436U
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- noise reduction
- cavitation
- valve
- noise
- uproar
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Abstract
The utility model discloses a multistage governing valve of making an uproar that falls of cavitation resistance relates to the pipeline valve gate field, the case of making an uproar, valve gap fall including valve body, cavitation resistance. Be equipped with the valve pocket in the valve body, the valve pocket top is equipped with the mounting hole, and cavitation resistance falls the case of making an uproar and passes through the mounting hole cartridge in the valve pocket. Import and export have been seted up respectively to the lateral wall that the case of making an uproar falls in cavitation resistance, are equipped with one in its cavity and fall the section of thick bamboo of making an uproar, fall to be equipped with a plurality of boards of making an uproar that fall in the section of thick bamboo of making an uproar, it fixes on the lateral wall of case exit position department to fall the one end of the section of thick bamboo of making an uproar. The utility model provides a fall the section of thick bamboo of making an uproar and contain the multilayer and fall the board of making an uproar, can carry out a lot of and fall that make an uproar and cavitation resistance handles, reach the noise muting that disappears basically, effectively reduce the life of the effect that cavitation phenomena takes place, improvement valve.
Description
Technical field
This utility model relates to pipeline valve field, is specifically related to a kind of multistage noise reduction of anti-cavitation and adjusts
Joint valve.
Background technology
Valve is parts crucial in Control System of Fluid Conveying.There is cut-off, regulation, voltage stabilizing
Or the several functions such as overflow pressure relief.Valve is widely used in various industry and various adverse circumstances.
Under industrialization, urbanization, reform and Background of Globalization, valve gate technology development, should
Constantly widen with field.Under current development reform tide, valve enterprise towards energy-conservation, ring
The direction of the noise reduction loss prevention of guarantor, intelligence and requirements at the higher level is developed.
Valve, through the most constantly developing, has carried out update many times, has improved biography
The sealing effect of the plug valve of system, strengthens the sealing of valve.It addition, in evolution
In gradually solve the adjustable smaller problem of conventional valves, developed and had big flow concurrently and adjust
Joint and the valve of low discharge two kinds of functions of regulation, expand the flow-control scope of valve.
But owing to valve fluid pressure difference and flow velocity in opening-closing process are excessive, produce serious cavitation
Phenomenon, vibrations and noise.Occurring of cavitation phenomenons can be deep to the generation in service life of valve
Impact；Valve the most easily produces vibrations and noise, the work to people simultaneously
The biggest puzzlement is created with life even health.The technology of valve and performance are just proposed by this
The noise reduction of higher requirement, particularly spool and the performance of anti-cavitation.Traditional valve due to
The generation of cavitation phenomenons, damages very big to the service life of valve, reduces the performance of valve also
And shortening service life of valve, the most traditional valve is only carried out once at simple noise reduction
Reason, for the noise produced, its anti-acoustic capability is not fully up to expectations.
Utility model content
For defect present in prior art, the purpose of this utility model is to provide a kind of fall
Performance of making an uproar is more preferable, it is possible to the generation of decreasing cavitation phenomenon, and the anti-cavitation improving life of valve is multistage
Noise reduction regulation valve.
For reaching object above, this utility model adopts the technical scheme that: a kind of anti-cavitation is many
Level noise reduction regulation valve, including valve body, anti-cavitation noise reduction spool, valve gap, described anti-cavitation noise reduction
Spool is inserted in the valve pocket of valve body by installing hole, and the sidewall of anti-cavitation noise reduction spool offers
Inlet and outlet, described anti-cavitation noise reduction valve core inside is provided with a noise reduction cylinder, noise reduction cylinder sets
There is multiple noise reducing plate.
On the basis of technique scheme, the diameter of described noise reduction cylinder bottom circular and outlet
Equal diameters；One end of noise reduction cylinder is welded on the sidewall at the exit position of anti-cavitation noise reduction spool
On；The two ends of noise reduction cylinder are relative with the inlet and outlet of anti-cavitation noise reduction spool respectively.
On the basis of technique scheme, the edge of described noise reducing plate is welded on the interior of noise reduction cylinder
On wall.
On the basis of technique scheme, described noise reducing plate is plane disc noise reducing plate.
On the basis of technique scheme, described noise reducing plate is V-type covering of the fan noise reducing plate.
On the basis of technique scheme, the opening of described V-type covering of the fan noise reducing plate is towards institute
State outlet.
On the basis of technique scheme, described V-type covering of the fan noise reducing plate is relative to noise reduction cylinder water
Square to axis face symmetrical, and the angle of described V-type covering of the fan noise reducing plate is 100 ° 120 °.
On the basis of technique scheme, noise reducing plate offers the fall of multiple through two sides
Make an uproar through hole；Noise reducing plate, import and outlet are parallel to each other.
On the basis of technique scheme, described noise reduction through hole is circular, regular and uniform
It is distributed on noise reducing plate.
On the basis of technique scheme, described body base interposition is equipped with a groove,
Inside grooves is placed with the vertical axis of a ball, groove and valve body and spool and overlaps,
The width of groove and the equal diameters of ball, groove height is slightly below the diameter of ball.
Compared with prior art, the beneficial effects of the utility model are:
(1) to flowing out anti-cavitation noise reduction spool after fluid enters anti-cavitation noise reduction spool
Period, the noise reduction cylinder in anti-cavitation noise reduction spool has carried out multistage noise reduction process, has been greatly improved
The precision of noise reduction, reaches to substantially eliminate the effect of noise.
(2) secondly, fluid, when by multiple noise reducing plate, reduces rate of flow of fluid, consumes
Fluid energy, reduces fluid pressure difference, decreases the generation of cavitation phenomenons, particularly fluid and exist
During by two covering of the fan parts up and down of V-type covering of the fan noise reducing plate, utilize upper and lower two fluids pair
Punching principle, further reduce the generation of cavitation phenomenons, be effectively increased valve reliability and
Service life.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of this utility model a kind of anti-cavitation multistage noise reduction regulation valve.
Fig. 2 is the side view of the anti-cavitation noise reduction spool of a kind of embodiment of this utility model.
Fig. 3 is the side view of the anti-cavitation noise reduction spool of this utility model another kind embodiment.
Fig. 4 is the rearview of anti-cavitation noise reduction spool part-structure.
Fig. 5 is the front view of anti-cavitation noise reduction spool part-structure.
In Fig. 1 to Fig. 5:
1 valve body, 1c installing hole, 2 anti-cavitation noise reduction spools, 2a import, 2b goes out
Mouthful, 3 valve core rods, 4 noise reduction cylinders, 5 grooves, 6 balls, 7 sealing gaskets, 8 only
Pushing pad circle, 9 sealing rings, 10 valve gaps, 11 noise reducing plates, 111 plane disc noise reductions
Plate, 112 V-type covering of the fan noise reducing plates, 11a noise reduction through hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Shown in Figure 1, this utility model embodiment provides the regulation of a kind of anti-cavitation multistage noise reduction
Valve, including valve body 1, anti-cavitation noise reduction spool 3, sealing ring 9, valve gap 10.Described valve body
Being provided with valve pocket in 1, the top of valve pocket is provided with installing hole 1c, and anti-cavitation noise reduction spool 2 is by peace
Dress hole 1c is inserted in valve pocket.Installing hole 1c top is placed with a sealing gasket 7, sealing gasket
7 and valve body 1 fit tightly；Valve gap 10 is placed on sealing gasket 7, and sealing gasket 7 is tight
Closely connected conjunction；The bottom of valve core rod 3 is placed with thrust washer 8, thrust washer 8 and valve core rod 3
Sidewall fits tightly；Position on the bottom of valve core rod 3, thrust washer 8 is placed with two
Individual sealing ring 9, sealing ring 9 is hydropneumatic O RunddichtringO, and sealing ring 9 is same closely
It is fitted on the sidewall of valve core rod 3.Described valve gap 10 is provided be available for that valve core rod 3 passes logical
Hole.Bottom valve body 1, interposition is equipped with a groove 5, groove 5 and valve body 1 and anti-cavitation
The vertical axis of noise reduction spool 2 overlaps；Groove 5 is internal is placed with a ball 6, groove
The width of 5 and the equal diameters of ball 6, the height of groove 5 is slightly below the diameter of ball 6,
When anti-cavitation noise reduction spool 2 rotates, use ball 6 can effectively reduce anti-cavitation noise reduction valve
Resistance when core 2 rotates, improves the performance and used life of valve.
According to Fig. 2 to Fig. 3, anti-cavitation noise reduction spool 2 is cylindrical shape spool, and its sidewall is respectively
Offer import 2a and outlet 2b, import 2a and export that 2b position is relative and through setting.
Import 2a is fan-shaped, and including an arc-shaped edges, the radius of the radius of circular arc and outlet 2b is equal,
The angle of circular arc is 270 °, and the two ends of circular arc connect two line segments tangent with circular arc, two lines
The intersection point of section falls on the horizontal axis of the import 2a place sidewall of anti-cavitation noise reduction spool 2；
Outlet 2b is circular.Anti-cavitation noise reduction spool 2 is internal is provided with a noise reduction cylinder 4, noise reduction cylinder 4
Being provided with multiple noise reducing plate 11, one end of noise reduction cylinder 4 is closely welded on anti-cavitation noise reduction spool 2
Outlet 2b position sidewall on, import 2a and outlet 2b lay respectively at noise reduction cylinder 4
Both sides；The two ends of noise reduction cylinder 4 respectively with the import 2a of anti-cavitation noise reduction spool 2 and outlet 2b
Relatively, and import 2a and outlet 2b and noise reducing plate 11 position keep be parallel to each other；Spool
Bar 3 is positioned at the top of anti-cavitation noise reduction spool 2.Use the noise reduction cylinder of said structure near import
Space is had, it is ensured that enter the fluid flow in valve body between one end and the import 2a of 2a,
Effectively carry out noise reduction repeatedly and the process of anti-cavitation simultaneously.The edge of noise reducing plate 11 closely welds
It is connected on the inwall of noise reduction cylinder 4.
As a kind of improvement of the present utility model, on noise reduction cylinder 4, noise reducing plate 11 is plane circle
Face noise reducing plate 111, the diameter of plane disc noise reducing plate 111 and noise reduction cylinder 4 and outlet 2b
Equal diameters.
As another kind of improvement of the present utility model, the noise reducing plate 11 on noise reduction cylinder 4 is V-type
Covering of the fan noise reducing plate 112, the opening of V-type covering of the fan noise reducing plate 112 is towards described outlet 2b；V-type
The axis face of relative noise reduction cylinder 4 horizontal direction of covering of the fan noise reducing plate 112 is symmetrical, and described V-type
The angle of covering of the fan noise reducing plate 112 is 100 ° 120 °.
The quantity of noise reducing plate 11 is 26, and thickness is 4 5mm, between adjacent noise reducing plate
Distance be 15 20mm.
According to Fig. 4 to Fig. 5, noise reducing plate 11 offers the noise reduction through hole 11a of through two sides,
Noise reduction through hole 11a is circular, rule and being evenly distributed on noise reducing plate, a diameter of 3 6mm,
At a distance of 2 3mm between noise reduction through hole 11a on same noise reducing plate 11.Use said structure
Noise reducing plate and noise reduction through hole can be effectively ensured flow out valve body fluid flow while,
Carry out noise reduction and the process of anti-cavitation.
This utility model a kind of anti-cavitation multistage noise reduction regulation operation principle of valve and process be:
Fluid flows into from the import 2a of anti-cavitation noise reduction spool 2, and the one as the present invention changes
Enter, at the internally installed plane disc noise reducing plate 111 of multilamellar of noise reduction cylinder 4.Use this
Plant after improving, on the premise of ensureing flow capacity of control valve, effective dispersing fluid, often lead to
Cross a layer plane type disc noise reducing plate 111, i.e. carried out a noise reduction process, alleviated noise；
Can reduce rate of flow of fluid simultaneously, consume fluid energy, reduce fluid pressure difference, decreasing cavitation is existing
The generation of elephant, improves valve reliability and service life.
As the another kind of improvement of the present invention, at the internally installed V of multilamellar of noise reduction cylinder 4
Type covering of the fan noise reducing plate 112.After using this improvement, before ensureing flow capacity of control valve
Put, effective dispersing fluid, often by one layer of V-type covering of the fan noise reducing plate 112, i.e. carried out one
Secondary noise reduction process, alleviates noise；Additionally fluid is by V-type covering of the fan noise reducing plate 112
Meanwhile, in noise reduction cylinder 4 level, axial plane is as the plane of symmetry, enters V-type covering of the fan noise reducing plate 112
Top half and the two fluids of the latter half liquidate, compared to the first improved procedure, more
Add and effectively reduce rate of flow of fluid, consume fluid energy, reduce fluid pressure difference, reduce very
To preventing the generation of cavitation phenomenons, improve valve reliability and service life.
After by whole noise reducing plates 11, just carry out noise reduction process repeatedly, thus
Effectively reduce valve noise in opening-closing process and vibrations, reach to substantially eliminate the effect of noise
Really；Repeatedly reduce rate of flow of fluid simultaneously, consume fluid energy, reduce fluid pressure difference, alleviate very
To preventing the generation of cavitation phenomenons, improve valve reliability and service life.
In sum, during this use is novel, anti-cavitation multistage noise reduction regulation valve is included by employing
The noise reduction barrel structure of multistage noise reducing plate particularly V-type covering of the fan noise reducing plate, can effectively prevent vapour
The generation of erosion phenomenon, improves serviceability and the life-span of valve；Convection cell carries out multistage fall simultaneously
Process, effectively alleviate vibrations and the noise of valve, reach to substantially eliminate the effect of noise.
It addition, the ball in body base centre position can effectively reduce the rotation of anti-cavitation noise reduction spool
Resistance when turning, improves the service life of valve.
This utility model is not only limited to above-mentioned preferred forms, and anyone is at this utility model
Enlightenment under all can draw other various forms of products, no matter but in its shape or structure make
Any change, every have same or like with this utility model as technical scheme, all at it
Within protection domain.
Claims (10)
1. an anti-cavitation multistage noise reduction regulation valve, including valve body (1), anti-cavitation noise reduction valve
Core (2), valve gap (10), described anti-cavitation noise reduction spool (2) is inserted by installing hole (1c)
Being contained in the valve pocket of valve body (1), the sidewall of anti-cavitation noise reduction spool (2) offers import (2a)
With outlet (2b), it is characterised in that: described anti-cavitation noise reduction spool (2) is internal is provided with one
Noise reduction cylinder (4), noise reduction cylinder (4) is provided with multiple noise reducing plate (11).
The multistage noise reduction of anti-cavitation the most as claimed in claim 1 regulation valve, it is characterised in that:
The diameter of described noise reduction cylinder (4) bottom circular and the equal diameters of outlet (2b)；Noise reduction cylinder
(4) one end is welded on the sidewall of outlet (2b) position of anti-cavitation noise reduction spool (2)
On；The two ends of noise reduction cylinder (4) respectively with the import (2a) of anti-cavitation noise reduction spool (2) and
Outlet (2b) is relative.
The multistage noise reduction of anti-cavitation the most as claimed in claim 1 regulation valve, it is characterised in that:
The edge of described noise reducing plate (11) is welded on the inwall of noise reduction cylinder (4).
The multistage noise reduction of anti-cavitation the most as claimed in claim 1 regulation valve, it is characterised in that:
Described noise reducing plate (11) is plane disc noise reducing plate (111).
The multistage noise reduction of anti-cavitation the most as claimed in claim 1 regulation valve, it is characterised in that:
Described noise reducing plate (11) is V-type covering of the fan noise reducing plate (112).
The multistage noise reduction of anti-cavitation the most as claimed in claim 5 regulation valve, it is characterised in that:
The opening of described V-type covering of the fan noise reducing plate (112) is towards described outlet (2b).
The multistage noise reduction of anti-cavitation the most as claimed in claim 6 regulation valve, it is characterised in that:
Faced by the axis of described V-type covering of the fan noise reducing plate (112) noise reduction cylinder (4) horizontal direction relatively
Claim, and the angle of described V-type covering of the fan noise reducing plate (112) is 100 ° 120 °.
The multistage noise reduction of anti-cavitation the most as claimed in claim 1 regulation valve, it is characterised in that:
The noise reduction through hole (11a) of multiple through two sides is offered on described noise reducing plate (11)；Noise reduction
Plate (11), import (2a) and outlet (2b) are parallel to each other.
The multistage noise reduction of anti-cavitation the most as claimed in claim 8 regulation valve, it is characterised in that:
Described noise reduction through hole (11a) is circular, rule and being evenly distributed on noise reducing plate (11).
The multistage noise reduction of anti-cavitation the most as claimed in claim 1 regulation valve, it is characterised in that:
Described valve body (1) bottom interposition is equipped with a groove (5), and groove (5) is internal to be placed with
One ball (6), groove (5) and valve body (1) and the vertical axis of spool (2)
Overlapping, the width of groove (5) and the equal diameters of ball (6), groove (5) height is slightly
Diameter less than ball (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045649.XU CN205479436U (en) | 2016-01-18 | 2016-01-18 | Multistage governing valve of making an uproar that falls of cavitation resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045649.XU CN205479436U (en) | 2016-01-18 | 2016-01-18 | Multistage governing valve of making an uproar that falls of cavitation resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479436U true CN205479436U (en) | 2016-08-17 |
Family
ID=56669986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620045649.XU Active CN205479436U (en) | 2016-01-18 | 2016-01-18 | Multistage governing valve of making an uproar that falls of cavitation resistance |
Country Status (1)
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| CN (1) | CN205479436U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302216A (en) * | 2018-03-04 | 2018-07-20 | 江苏江进泵业有限公司 | It is a kind of to stamp multilevel decompression ball valve core |
| CN109506038A (en) * | 2018-11-28 | 2019-03-22 | 中国船舶重工集团公司第七〇九研究所 | The anti-whirlpool denoising device of warship marine valve |
| CN110513532A (en) * | 2019-08-15 | 2019-11-29 | 浙江盾安禾田金属有限公司 | Valve muffler and electric expansion valve with the valve muffler |
| CN114076229A (en) * | 2020-08-20 | 2022-02-22 | 盾安环境技术有限公司 | Reversing valve |
| CN114542756A (en) * | 2020-11-24 | 2022-05-27 | 盾安环境技术有限公司 | Reversing valve and refrigerating system |
| CN116006767A (en) * | 2022-12-02 | 2023-04-25 | 中广核工程有限公司 | Novel multistage adjustable pressure reducing regulating valve |
-
2016
- 2016-01-18 CN CN201620045649.XU patent/CN205479436U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302216A (en) * | 2018-03-04 | 2018-07-20 | 江苏江进泵业有限公司 | It is a kind of to stamp multilevel decompression ball valve core |
| CN109506038A (en) * | 2018-11-28 | 2019-03-22 | 中国船舶重工集团公司第七〇九研究所 | The anti-whirlpool denoising device of warship marine valve |
| CN110513532A (en) * | 2019-08-15 | 2019-11-29 | 浙江盾安禾田金属有限公司 | Valve muffler and electric expansion valve with the valve muffler |
| CN114076229A (en) * | 2020-08-20 | 2022-02-22 | 盾安环境技术有限公司 | Reversing valve |
| CN114076229B (en) * | 2020-08-20 | 2024-05-17 | 盾安环境技术有限公司 | Reversing valve |
| CN114542756A (en) * | 2020-11-24 | 2022-05-27 | 盾安环境技术有限公司 | Reversing valve and refrigerating system |
| CN114542756B (en) * | 2020-11-24 | 2024-03-22 | 盾安环境技术有限公司 | Reversing valve and refrigerating system |
| CN116006767A (en) * | 2022-12-02 | 2023-04-25 | 中广核工程有限公司 | Novel multistage adjustable pressure reducing regulating valve |
| CN116006767B (en) * | 2022-12-02 | 2024-01-30 | 中广核工程有限公司 | Multistage adjustable pressure reducing regulating valve |
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