CN221033999U - Multistage decompression noise reduction type triple offset adjustment butterfly valve - Google Patents
Multistage decompression noise reduction type triple offset adjustment butterfly valve Download PDFInfo
- Publication number
- CN221033999U CN221033999U CN202322876105.0U CN202322876105U CN221033999U CN 221033999 U CN221033999 U CN 221033999U CN 202322876105 U CN202322876105 U CN 202322876105U CN 221033999 U CN221033999 U CN 221033999U
- Authority
- CN
- China
- Prior art keywords
- pressure reducing
- plate
- valve
- valve body
- inner pressure
- 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.)
- Active
Links
- 230000006837 decompression Effects 0.000 title claims description 13
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 6
- 230000006978 adaptation Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Details Of Valves (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The utility model relates to a multistage depressurization noise reduction type three-eccentric regulation butterfly valve, which comprises a valve body, wherein the inner wall of the valve body is provided with a valve body sealing boss, the middle part of the valve body is rotationally provided with a valve rod, the periphery of the valve rod is provided with a valve plate base, the valve plate base is pressed with a winding pad and a sealing ring through a valve plate pressing ring and a bolt, the sealing ring and the valve body sealing boss are provided with an adaptive sealing surface, and the inlet side of the valve body is provided with a depressurization plate group; the pressure reducing plate group comprises an inner pressure reducing plate and an outer pressure reducing plate which are symmetrically arranged and enclose a pressure reducing cavity; the outer pressure reducing plate is provided with an outer pressure reducing hole group, the inner pressure reducing plate is provided with an inner pressure reducing hole group, and the outer pressure reducing hole group and the inner pressure reducing hole group are axially staggered. The utility model reduces noise pollution in the using process; the service life of the valve is prolonged; the use cost of the valve is reduced.
Description
Technical Field
The utility model belongs to the technical field of butterfly valves, and relates to a multistage pressure-reducing noise-reducing type tri-eccentric adjusting butterfly valve.
Background
Currently, in the industry, a regulating valve is used for controlling the flow and regulating the flow, and under certain working conditions, in order to ensure the tightness and simultaneously control the flow, a three-eccentric regulating butterfly valve is required to be selected. The three-eccentric regulating butterfly valve can generate great noise in the valve under the condition of great pressure difference between the front valve and the rear valve, vibration occurs, medium flow speed can be increased, cavitation erosion and other phenomena occur, the flushing of valve internal parts is accelerated, and the service life of the valve is shortened.
Disclosure of Invention
The utility model aims to provide a multistage pressure-reducing noise-reducing type three-eccentric adjusting butterfly valve, which can solve the problems and reduce noise pollution in the use process.
According to the technical scheme provided by the utility model: the multistage pressure-reducing noise-reducing type three-eccentric regulating butterfly valve comprises a valve body, wherein a valve body sealing boss is arranged on the inner wall of the valve body, a valve rod is rotatably arranged in the middle of the valve body, a valve plate base is arranged on the periphery of the valve rod, a winding pad and a sealing ring are pressed on the valve plate base through a valve plate pressing ring and a bolt, an adaptive sealing surface is arranged on the sealing ring and the valve body sealing boss, and a pressure reducing plate group is arranged on the inlet side of the valve body; the pressure reducing plate group comprises an inner pressure reducing plate and an outer pressure reducing plate which are symmetrically arranged and enclose a pressure reducing cavity; the outer pressure reducing plate is provided with an outer pressure reducing hole group, the inner pressure reducing plate is provided with an inner pressure reducing hole group, and the outer pressure reducing hole group and the inner pressure reducing hole group are axially staggered.
As a further improvement of the utility model, the valve rod and the valve plate base are connected by double bonds.
As a further improvement of the utility model, a gasket groove and a sealing groove are arranged on the valve plate base.
As a further improvement of the present utility model, the outer pressure reducing holes and the inner pressure reducing holes are pressure reducing holes of the same size.
As a further improvement of the utility model, the outer pressure reducing holes and the inner pressure reducing holes are respectively annularly and uniformly distributed on the inner pressure reducing plate and the outer pressure reducing plate.
As a further improvement of the utility model, the inner pressure reducing plate and the outer pressure reducing plate are circular plates and are matched with the inner wall of the valve body.
As a further improvement of the utility model, the outer circumferences of the inner pressure reducing plate and the outer pressure reducing plate are provided with mounting ring plates.
The application has the positive progress effects that:
The utility model reduces noise pollution in the using process; the service life of the valve is prolonged; the use cost of the valve is reduced.
Drawings
Fig. 1 is a structural view of a valve body according to the present utility model.
FIG. 2 is a view of the inside pressure relief panel.
Figure 3 is a view of the outside relief panel components.
FIG. 4 is a schematic illustration of the axial overlapping of relief holes on the inner and outer relief plate shafts.
In fig. 1-4, the valve comprises a valve body 1, a valve rod 2, a valve plate base 3, a winding pad 4, a sealing ring 5, a valve plate pressing ring 6, an inner pressure reducing plate 7, an outer pressure reducing plate 8, a pressure reducing cavity 9 and the like.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "include" and "have," and the like, mean that other content not already listed may be "included" and "provided" in addition to those already listed in "include" and "provided; for example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements not expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Due to the drawing angle problem, some parts may not be drawn, but the positions and connection relations of the parts may be understood according to the text expression part.
As shown in fig. 1, the utility model relates to a multistage pressure-reducing noise-reducing type three-eccentric adjusting butterfly valve, which comprises a valve body 1, wherein the inner wall of the valve body 1 is provided with a valve body sealing boss 1-1, the middle part of the valve body 1 is rotatably provided with a valve rod 2, the periphery of the valve rod 2 is provided with a valve plate base 3, the valve plate base 3 is pressed and assembled with a winding pad 4 and a sealing ring 5 through a valve plate pressing ring 6 and bolts, the sealing ring 5 and the valve body sealing boss 1-1 are provided with an adaptive sealing surface, and the inlet side of the valve body 1 is provided with a pressure reducing plate group. The pressure reducing plate group comprises an inner pressure reducing plate 7 and an outer pressure reducing plate 8 which are symmetrically arranged to form a pressure reducing cavity 9. The outer pressure reducing plate 8 is provided with an outer pressure reducing hole group, the inner pressure reducing plate 7 is provided with an inner pressure reducing hole group, and the outer pressure reducing hole group and the inner pressure reducing hole group are axially staggered, as shown in fig. 4.
The valve rod 2 and the valve plate base 3 are connected by double bonds, and the transmission is stable.
The valve plate base 3 is provided with a pad groove and a sealing groove, the pad groove is used for installing the winding pad 4, and the sealing groove is used for placing the sealing ring 5.
As shown in fig. 2 to 3, the outer pressure relief holes and the inner pressure relief holes are pressure relief holes having the same size. The outside decompression holes and the inside decompression holes are respectively annularly and uniformly distributed on the inside decompression plate 7 and the outside decompression plate 8.
The inner pressure reducing plate 7 and the outer pressure reducing plate 8 are circular plates and are matched with the inner wall of the valve body 1, mounting annular plates are arranged on the peripheries of the inner pressure reducing plate 7 and the outer pressure reducing plate 8 and are used for being connected with the inner wall of the valve body 1 and separating the inner pressure reducing plate 7 from the outer pressure reducing plate 8 to form a pressure reducing cavity 9.
The volume of the decompression chamber 9 is large enough to be far larger than the flow blocking area of the inner decompression plate 7 and the outer decompression plate 8 (the solid part area of the inner decompression plate 7 and the outer decompression plate 8) multiplied by the flow velocity and time, namely V (volume) > S (flow blocking) xV (flow velocity) xt.
The working process of the utility model is as follows:
When a medium flows in from a valve inlet, a plurality of thin flows are formed through the pressure reducing plates 8 and pass through the pressure reducing holes, vortex energy is consumed when the medium flows through the pressure reducing holes, the medium flows through the pressure reducing cavity 9, the sound energy is attenuated, the noise is reduced, the medium flows through the inner pressure reducing plates 7, the pressure reducing holes of the inner pressure reducing plates 7 and the outer pressure reducing plates 8 are relatively misplaced, the medium cannot directly pass through the inner pressure reducing plates 7, a detour channel among the pressure reducing holes is formed in the cavity of the pressure reducing cavity 9, and the pressure of the medium is reduced.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (7)
1. The utility model provides a multistage decompression falls three eccentric adjustment butterfly valve of making an uproar, includes valve body (1), and valve body (1) inner wall is equipped with valve body seal boss (1-1), and valve body (1) middle part rotates and is equipped with valve rod (2), and valve rod (2) periphery installation valve plate base (3), valve plate base (3) are through valve plate clamping ring (6) and bolt pressure equipment winding pad (4) and sealing washer (5), are equipped with the sealed face of adaptation on sealing washer (5) and the valve body seal boss (1-1), and characterized in that, valve body (1) entry side is equipped with the decompression board group; the pressure reducing plate group comprises an inner pressure reducing plate (7) and an outer pressure reducing plate (8), which are symmetrically arranged to form a pressure reducing cavity (9); an outer pressure reducing hole group is formed in the outer pressure reducing plate (8), an inner pressure reducing hole group is formed in the inner pressure reducing plate (7), and the outer pressure reducing hole group and the inner pressure reducing hole group are axially staggered.
2. The multi-stage pressure-reducing noise-reducing type three-eccentric adjusting butterfly valve according to claim 1, wherein the valve rod (2) and the valve plate base (3) are connected by double bonds.
3. The multi-stage pressure-reducing noise-reducing type three-eccentric adjusting butterfly valve according to claim 1, wherein a gasket groove and a sealing groove are formed on a valve plate base (3).
4. The multi-stage pressure reducing and noise reducing type tri-eccentric adjusting butterfly valve of claim 1, wherein the outer pressure reducing hole and the inner pressure reducing hole are pressure reducing holes with the same size.
5. The multi-stage depressurization noise reduction type triple offset adjustment butterfly valve according to claim 1, wherein the outer pressure reducing holes and the inner pressure reducing holes are respectively annularly and uniformly distributed on the inner pressure reducing plate (7) and the outer pressure reducing plate (8).
6. The multistage depressurization noise reduction type three-eccentric adjustment butterfly valve according to claim 1 is characterized in that an inner pressure reduction plate (7) and an outer pressure reduction plate (8) are circular plates and are matched with the inner wall of the valve body (1).
7. The multistage depressurization noise reduction type three-eccentric adjustment butterfly valve according to claim 1, wherein the outer circumferences of the inner pressure reduction plate (7) and the outer pressure reduction plate (8) are provided with mounting ring plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322876105.0U CN221033999U (en) | 2023-10-25 | 2023-10-25 | Multistage decompression noise reduction type triple offset adjustment butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322876105.0U CN221033999U (en) | 2023-10-25 | 2023-10-25 | Multistage decompression noise reduction type triple offset adjustment butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033999U true CN221033999U (en) | 2024-05-28 |
Family
ID=91172624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322876105.0U Active CN221033999U (en) | 2023-10-25 | 2023-10-25 | Multistage decompression noise reduction type triple offset adjustment butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033999U (en) |
-
2023
- 2023-10-25 CN CN202322876105.0U patent/CN221033999U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0521007A1 (en) | Control system for regulating the axial loading of a rotor of a fluid machine | |
| CN221033999U (en) | Multistage decompression noise reduction type triple offset adjustment butterfly valve | |
| CN110864147B (en) | Cut-adjusting integrated pressure regulator and integrated gas pressure regulating core | |
| CN103591375A (en) | Externally-arranged multipurpose silencer | |
| CN201461390U (en) | Pressure-regulating gear pump | |
| CN211501654U (en) | Satisfy governing valve that bubble level let out leakage quantity under hard seal | |
| CN111765124A (en) | But angle of adjustment's spiral case spacer tongue subassembly and fuel centrifugal pump | |
| CN205745503U (en) | A kind of novel cage noise reduction hydraulic control valve | |
| CN110886851A (en) | Satisfy governing valve that bubble level let out leakage quantity under hard seal | |
| CN203628012U (en) | External multipurpose silencer | |
| CN113090774A (en) | Axial flow type fixed cone valve | |
| CN212480165U (en) | Industrial hydraulic butterfly valve | |
| CN203585346U (en) | Pressure regulator with muffler device | |
| CN204114167U (en) | Reduction valve | |
| CN210600205U (en) | Shock attenuation butterfly valve | |
| CN210153242U (en) | Regulating valve with pressure reducing and noise reducing functions | |
| CN110454596B (en) | Piston type dynamic differential pressure balance valve | |
| CN214036951U (en) | Plug valve with upper and lower fixed shafts | |
| CN218719060U (en) | Pressure throttle governing valve convenient to pressure regulating | |
| CN212839597U (en) | Marine air relief pressure valve | |
| CN211231755U (en) | Deluge alarm valve | |
| CN111779867B (en) | Vibration suppression pressure reducing valve | |
| CN211231742U (en) | Control pressure regulating valve | |
| CN218761479U (en) | Dustproof butterfly valve seal structure reduces pressure step by step | |
| CN215059585U (en) | Axial flow type fixed cone valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |