CN109838617A - A kind of damping noise reduction device - Google Patents
A kind of damping noise reduction device Download PDFInfo
- Publication number
- CN109838617A CN109838617A CN201910001919.5A CN201910001919A CN109838617A CN 109838617 A CN109838617 A CN 109838617A CN 201910001919 A CN201910001919 A CN 201910001919A CN 109838617 A CN109838617 A CN 109838617A
- Authority
- CN
- China
- Prior art keywords
- instance portion
- shock structure
- instance
- noise reduction
- reduction device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000013016 damping Methods 0.000 title claims abstract description 69
- 230000009467 reduction Effects 0.000 title claims abstract description 28
- 230000035939 shock Effects 0.000 claims abstract description 34
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229910001566 austenite Inorganic materials 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of damping noise reduction devices, including shock structure, first end cover and second end cover, shock structure includes multiple buffer layers, each buffer layer includes multiple vibration damping sheets, at least one fan-shaped region of each vibration damping sheet has first instance portion and second instance portion, first instance portion is in band-like, second instance portion is connected in first instance portion in comb teeth-shaped, in the two neighboring vibration damping sheet of same buffer layer, the first instance portion of one of them and the second instance portion of another one are pressed together and are staggered, first end cover is pressed in axial one end of shock structure and blocks the inner space of shock structure, second end cover is pressed in the axial other end of shock structure and its inner hole is connected to the inner space of shock structure, the opposite first instance portion elastic movement in fluid driving second instance portion between the inner space of shock structure and the outer space of shock structure.The present invention solves the problems, such as noise and vibration under the premise of not increasing the occupied space of existing system.
Description
Technical field
The present invention relates to field of fluid, and in particular to a kind of flanged fitting internal multi-stage pressure reduction structure.
Background technique
In fluid delivery process, since medium is by components such as valves, so that the flow properties of medium change,
In this process, models such as spout once being formed.Especially gas can be expanded when medium decompression, if the design of pipeline
The expansion space for not accounting for medium will lead to the rising of flow velocity moment, have accumulated many energy at this time and go to discharge again, can generate very
Big noise.And noise be it is harmful, we have to control.Noise reduction measure on the market has at present: sound insulation vibration isolation, damping
The methods of vibration damping, silencer.In fluids industry, need to increase an element and go to achieve the purpose that damping noise reduction, can make be
System becomes huge.Therefore need one kind empty in the occupancy for not increasing existing system in existing element, in valve, pipeline
Between under the premise of, solve the problems, such as noise and vibration.
Summary of the invention
The object of the present invention is to provide a kind of damping noise reduction devices.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of damping noise reduction device, including shock structure, first
End cap and second end cover, the shock structure are substantially in open column shape and multiple buffer layers including axially setting gradually along it,
Each buffer layer is substantially in land shape and multiple vibration damping sheets including axially setting gradually along it, and each vibration damping sheet is big
Cause that there is first instance portion and second instance portion in ring plate shape and its at least one fan-shaped region, the first instance portion is in band
Shape, the second instance portion are connected in the first instance portion in comb teeth-shaped, the same buffer layer it is two neighboring described
In vibration damping sheet, the first instance portion of one of them and the second instance portion of another one are pressed together and are staggered, and described
One end cap in the form of sheets and is pressed in axial one end of the shock structure and blocks the inner space of the shock structure, the second end
Lid is in ring plate shape and is pressed in the axial other end of the shock structure and its inner hole is connected to the inner space of the shock structure, institute
The fluid stated between the inner space of shock structure and the outer space of the shock structure interacts flowing by its side wall and drives
Move the relatively described first instance portion elastic movement in the second instance portion.
Preferably, second instance portion edge is serrated.
Preferably, the first instance portion is along the circumferentially extending of the vibration damping sheet, and the second instance portion is along the damping
Piece radially extends.
Preferably, in the two neighboring vibration damping sheet of the same buffer layer, at least one is equipped with hollow-out parts, described to engrave
Empty portion is arc-shaped the fan-shaped region where it is divided into multiple first instance portions.
Preferably, the second instance portion extends to the radially inner side in the first instance portion or to the first instance portion
Radial outside extend.
Preferably, a spacer is additionally provided between the two neighboring buffer layer, the spacer is in ring plate shape and compresses
In on two vibration damping sheets adjacent thereto and three's inner hole be connected to.
Preferably, each buffer layer includes two vibration damping sheets.
Preferably, the vibration damping sheet material is 316 austenitic stainless steels.
Preferably, the second instance portion with a thickness of 3-8mm, the length in the second instance portion is 12-20mm, described
The width in second instance portion is 6-9mm.
Preferably, the shock structure, the first end cover and the second end cover wear fixation along axial direction by bolt
Together.
Due to the above technical solutions, the present invention has the following advantages over the prior art: disclosed by the invention subtract
Denoiser is shaken, damping noise reduction device is mounted among valve or pipeline, not additional occupied space.It is used as an overcurrent element.
Its working principle is that: when fluid flows through valve and pipeline, this damping noise reduction device is flowed through, this damping noise reduction device has multiple groups damping
Piece is formed by stacking, and every group of vibration damping sheet forms independent flow of media channel, allows medium to flow through the present apparatus, wherein vibration damping sheet
On comb teeth can freely up and down swing, medium flow field is out-of-date can to occur expansion and contraction phenomenon suddenly.So that the energy of medium
It is lost, gradually reduces pressure medium, reduce velocity of medium, when medium is flowed out by the round on excircle, improved
The frequency of vibration, to reduce noise.
Detailed description of the invention
Fig. 1 is damping noise reduction device assembly structure diagram disclosed by the invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of a vibration damping sheet of one of buffer layer disclosed by the invention；
Fig. 4 is the structural schematic diagram of another vibration damping sheet of one of buffer layer disclosed by the invention；
Fig. 5 is the structural schematic diagram of a vibration damping sheet of another buffer layer disclosed by the invention；
Fig. 6 is the structural schematic diagram of another vibration damping sheet of another buffer layer disclosed by the invention；
Fig. 7 is the structural schematic diagram of spacer disclosed by the invention；
Fig. 8 is scheme of installation of the damping noise reduction device disclosed by the invention in fluid-transporting tubing；
Fig. 9 is scheme of installation of the damping noise reduction device disclosed by the invention in valve.
Wherein: 100, damping noise reduction device；110, first end cover；120, second end cover；130, vibration damping sheet；131, first instance
Portion；132, second instance portion；133, hollow-out parts；140, spacer；150, bolt；200, fluid-transporting tubing；300, valve.
Specific embodiment
In conjunction with accompanying drawings and embodiments, the invention will be further described:
Referring to Fig. 1 to Fig. 9, as shown in legend therein, a kind of damping noise reduction device 100, including shock structure, first end cover 110 with
And second end cover 120, shock structure are substantially in open column shape and multiple buffer layers including axially setting gradually along it, each damping
For layer substantially in land shape and multiple vibration damping sheets 130 including axially setting gradually along it, each vibration damping sheet 130 is substantially in ring plate shape
And its at least one fan-shaped region has first instance portion 131 and second instance portion 132, and first instance portion 131 is in band-like, and second
Entity portion 132 is connected in first instance portion 131 in comb teeth-shaped, in the two neighboring vibration damping sheet 130 of same buffer layer, wherein one
The first instance portion 131 of person is pressed together and is staggered with the second instance portion 132 of another one, and first end cover 110 is in piece
Shape is simultaneously pressed in axial one end of damping drop column and blocks the inner space of shock structure, and second end cover 120 is in ring plate shape and compresses
In shock structure the axial other end and its inner hole be connected to the inner space of shock structure, the inner space of shock structure and shock structure
Fluid between outer space interacts flowing by its side wall and drives second instance portion 132 with respect to first instance portion 131
Elastic movement.
Preferred embodiment in the present embodiment, 132 edge of second instance portion are serrated.
Preferred embodiment in the present embodiment, circumferentially extending of the first instance portion 131 along vibration damping sheet 130, second instance
Portion 132 is radially extended along vibration damping sheet 130.
Preferred embodiment in the present embodiment, in the two neighboring vibration damping sheet 130 of same buffer layer, at least one is equipped with
Hollow-out parts 133, the hollow-out parts 133 are arc-shaped the fan-shaped region where it is divided into multiple first instance portions 131.Specifically
, the two neighboring vibration damping sheet 130 of same buffer layer is equipped with hollow-out parts 133, and the hollow-out parts 133 are arc-shaped with will be where it
Fan-shaped region is divided into two first instance portions 131.
Preferred embodiment in the present embodiment, second instance portion 131 to the radially inner side in first instance portion 131 extend or
Extend to the radial outside in first instance portion 131.Specifically, in the two neighboring vibration damping sheet 130 of same buffer layer, one of them
Second instance portion 132 to the radially inner side in first instance portion 131 extend and be pressed on one with the first instance portion 131 of another one
It rises, the second instance portion 132 of another one extends to the radial outside in first instance portion 131 and the first instance portion with one of them
131 are pressed together.
Preferred embodiment in the present embodiment is additionally provided with a spacer 140, spacer between two neighboring buffer layer
140 in ring plate shape and be pressed on two vibration damping sheets 130 adjacent thereto and three's inner hole be connected to.
Preferred embodiment in the present embodiment, each buffer layer include two vibration damping sheets 130.
Preferred embodiment in the present embodiment, 130 material of vibration damping sheet are 316 austenitic stainless steels.
Preferred embodiment in the present embodiment, second instance portion 132 with a thickness of 3-8mm, the length in second instance portion 132
Degree is 12-20mm, and the width in second instance portion 132 is 6-9mm.
Preferred embodiment in the present embodiment, shock structure, first end cover 110 and second end cover 120 pass through bolt 150
It wears and is fixed together along axial direction.
Damping noise reduction device 100 is placed in fluid-transporting tubing 200 or in valve 300, damping noise reduction is played the role of.
To the disclosed above description for applying example, enable those skilled in the art to implement or use the present invention.It is right
A variety of modifications of these embodiments will be readily apparent to those skilled in the art, and as defined herein one
As principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will
It will not be intended to be limited to the embodiments shown herein, and be to fit to consistent with the principles and novel features disclosed herein
Widest scope.
Claims (10)
1. a kind of damping noise reduction device, which is characterized in that including shock structure, first end cover and second end cover, the shock structure is big
It causes in open column shape and multiple buffer layers including axially setting gradually along it, each buffer layer is substantially in land shape and wraps
The multiple vibration damping sheets axially set gradually along it are included, each vibration damping sheet is substantially in ring plate shape and its at least one fan-shaped region
With first instance portion and second instance portion, in band-like, the second instance portion is connected in comb teeth-shaped in the first instance portion
In the first instance portion, in the two neighboring vibration damping sheet of the same buffer layer, the first instance portion of one of them with
The second instance portion of another one is pressed together and is staggered, and the first end cover in the form of sheets and is pressed in the shock structure
Axial one end and the inner space for blocking the shock structure, the second end cover are in ring plate shape and the axis for being pressed in the shock structure
To the other end and its inner hole is connected to the inner space of the shock structure, the inner space of the shock structure and the shock structure
Fluid between outer space interacts flowing by its side wall and drives the relatively described first instance in the second instance portion
Portion's elastic movement.
2. damping noise reduction device according to claim 1, which is characterized in that second instance portion edge is serrated.
3. damping noise reduction device according to claim 1, which is characterized in that week of the first instance portion along the vibration damping sheet
To extension, second instance portion the radially extending along the vibration damping sheet.
4. damping noise reduction device according to claim 3, which is characterized in that the two neighboring of the same buffer layer described subtracts
It shakes in piece, at least one is equipped with hollow-out parts, and the hollow-out parts are arc-shaped multiple described the fan-shaped region where it to be divided into
First instance portion.
5. damping noise reduction device according to claim 3, which is characterized in that the second instance portion is to the first instance portion
Radially inner side extend or to the radial outside in the first instance portion extend.
6. damping noise reduction device according to claim 1, which is characterized in that be additionally provided with one between the two neighboring buffer layer
Spacer, the spacer in ring plate shape and be pressed on two vibration damping sheets adjacent thereto and three's inner hole be connected to.
7. damping noise reduction device according to claim 1, which is characterized in that each buffer layer includes two dampings
Piece.
8. damping noise reduction device according to claim 1, which is characterized in that the vibration damping sheet material is 316 austenite stainless
Steel.
9. damping noise reduction device according to claim 1, which is characterized in that the second instance portion with a thickness of 3-8mm, institute
The length for stating second instance portion is 12-20mm, and the width in the second instance portion is 6-9mm.
10. damping noise reduction device according to claim 1, which is characterized in that the shock structure, the first end cover and institute
It states second end cover and is worn by bolt along axial direction and is fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001919.5A CN109838617A (en) | 2019-01-02 | 2019-01-02 | A kind of damping noise reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001919.5A CN109838617A (en) | 2019-01-02 | 2019-01-02 | A kind of damping noise reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109838617A true CN109838617A (en) | 2019-06-04 |
Family
ID=66883701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910001919.5A Pending CN109838617A (en) | 2019-01-02 | 2019-01-02 | A kind of damping noise reduction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109838617A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079754A (en) * | 1977-01-14 | 1978-03-21 | Sargent Industries, Inc. | Apparatus for eliminating noise in the flow of fluids |
| US20060191584A1 (en) * | 2005-02-28 | 2006-08-31 | Bradford Haines | Noise reducing fluid passageways for fluid flow control devices |
| CN1912435A (en) * | 2005-07-19 | 2007-02-14 | Spx公司 | Fluid trim apparatus and method |
| CN205841959U (en) * | 2016-07-27 | 2016-12-28 | 无锡斯考尔自动控制设备有限公司 | A kind of big runner labyrinth type sleeve |
| CN208268439U (en) * | 2018-05-24 | 2018-12-21 | 杭州浙临阀门有限公司 | High temperature and pressure antiseep labyrinth adjusting valve |
| CN209671743U (en) * | 2019-01-02 | 2019-11-22 | 苏州德兰能源科技股份有限公司 | A kind of damping noise reduction device |
-
2019
- 2019-01-02 CN CN201910001919.5A patent/CN109838617A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079754A (en) * | 1977-01-14 | 1978-03-21 | Sargent Industries, Inc. | Apparatus for eliminating noise in the flow of fluids |
| US20060191584A1 (en) * | 2005-02-28 | 2006-08-31 | Bradford Haines | Noise reducing fluid passageways for fluid flow control devices |
| CN1912435A (en) * | 2005-07-19 | 2007-02-14 | Spx公司 | Fluid trim apparatus and method |
| CN205841959U (en) * | 2016-07-27 | 2016-12-28 | 无锡斯考尔自动控制设备有限公司 | A kind of big runner labyrinth type sleeve |
| CN208268439U (en) * | 2018-05-24 | 2018-12-21 | 杭州浙临阀门有限公司 | High temperature and pressure antiseep labyrinth adjusting valve |
| CN209671743U (en) * | 2019-01-02 | 2019-11-22 | 苏州德兰能源科技股份有限公司 | A kind of damping noise reduction device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1856432B1 (en) | Noise reducing fluid passageways for fluid flow control devices | |
| AU2013337857B2 (en) | Valve cage having zero dead band between noise abatement and high capacity flow sections | |
| US6799657B2 (en) | Absorptive/reactive muffler for variable speed compressors | |
| JP4961433B2 (en) | Method and apparatus for reinforcing a tubular sealing collar extending from a filter device | |
| CN101016853B (en) | Silencer | |
| CN209671743U (en) | A kind of damping noise reduction device | |
| JP6636475B2 (en) | Low noise decoupler | |
| GB2034863A (en) | Adjustable fluid flow restrictor | |
| EA022733B1 (en) | Sleeve seal for gate valve (embodiments) | |
| EP3203134A1 (en) | An arrangement for adjoining a support structure to a pipe | |
| US20050023075A1 (en) | Reduced noise valve stack connection | |
| DE102011110147A1 (en) | Special damping strip for flexible line segments used as decoupling element in swing loaded pipelines in motor vehicles, has contour bound, metallic knitted fabric element arranged in cylindrical annular gap | |
| CN106051236A (en) | Check valve apparatuses and methods | |
| JP2010539419A (en) | Damping device, especially vibration damping device | |
| US2875788A (en) | Pulsation dampener device | |
| CN109838617A (en) | A kind of damping noise reduction device | |
| US5677518A (en) | Device for deadening sound in pipelines | |
| DE102010040218B4 (en) | Damping element of a piston pump | |
| DE102012202707B3 (en) | Impeller side chambers with resonators in radial flow machines | |
| US2354201A (en) | Shock absorber for fluid flow installations | |
| CN209115877U (en) | A kind of flanged fitting internal multi-stage pressure reduction structure | |
| JP4422890B2 (en) | Pulsations damper | |
| JPH0633917A (en) | Liquid pressure reducing device | |
| US3130812A (en) | Silencers | |
| WO2016056484A1 (en) | Intake noise reduction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |