CN205534418U - Over -and -under type silence check valve - Google Patents
Over -and -under type silence check valve Download PDFInfo
- Publication number
- CN205534418U CN205534418U CN201620068730.XU CN201620068730U CN205534418U CN 205534418 U CN205534418 U CN 205534418U CN 201620068730 U CN201620068730 U CN 201620068730U CN 205534418 U CN205534418 U CN 205534418U
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- valve plate
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Abstract
The utility model discloses an over -and -under type silence check valve has the valve body the valve body front and back end is equipped with the import and the export of fluid business turn over, be equipped with the inclined partition plate that inclines in the valve body, incline inclined partition plate both ends and valve body inner wall diagonal angle fixed connection and will the valve body inner chamber is separated to become last fluid cavity and is descended the fluid cavity it is equipped with one and has a perfect understanding the upper reaches body cavity and the slope through -hole of fluid cavity down to incline inclined partition plate's middle part, be equipped with one rather than sealed complex tilt valve board on the slope through -hole, a tilt valve board middle part fixed connection scalable direction bracing piece the outside ring cover of scalable direction bracing piece has pair tilt valve board to play elastic pressure's spring, the upper end and valve body inner wall fixed connection of scalable direction bracing piece. Over -and -under type silence check valve not only effectively reduces the fluid and to the impact force of check valve board, prolongs its life, but also effectively reduced the resistance of fluid through the valve body, preparation simple to operate, and the practicality is high.
Description
Technical field:
This utility model relates to a kind of quiet non-return valve of lift.
Background technology:
Valve is the control parts in fluid delivery system, has cut-off, regulation, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief, for the valve of fluid control systems, fromSimplyStop valve to various valves used in extremely complex robot control system(RCS), its kind and specification are the most various.Valve can be used for controlling the flowing of all kinds fluids such as sky gas and water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.Valve is also divided into cast iron valve according to material, cast steel valve, stainless valve, chrome-molybdenum steel valve, Chrominm-molybdenum-vanadium steel valve, dual phase steel valve, Plastic valve, the nonstandard customized valve material that waits, and non-return valve refers to rely on medium itself to flow and automatic open and close flap, it is used for the valve preventing medium from flowing backwards, also known asCheck valve, reflux valve andCounterbalance valve,Check-valvesBelong to a kind of automatic valve, its Main Function be prevent medium flow backwards, prevent pump and drive motor reversion, and the releasing of vessel media, and inadequate in the check effect of the non-return valve used at present, sound is relatively big and can not effectively prevent fluid from the impact of valve plate is reduced its service life then.
Utility model
Content:
Technical problem to be solved in the utility model is to provide a kind of simple in construction, and fabrication and installation are convenient, and can effectively realize the quiet non-return valve of lift of fluid check in valve body.
In order to solve above-mentioned technical problem, this utility model is achieved through the following technical solutions:
A kind of quiet non-return valve of lift, there is valve body, import and the outlet of fluid turnover it is provided with in described valve body front and back end, a tilt clapboard it is provided with in described valve body, the two ends of described tilt clapboard are fixing with valve interior wall diagonal angle to be connected and described body cavity is separated into Upper fluid chamber and fluid chambers, a through Upper fluid chamber and the inclined via-hole of fluid chambers it is provided with at the middle part of described tilt clapboard, described inclined via-hole is provided with an inclination valve plate sealed engagement therewith, fixing connection one scalable guiding support bar in the middle part of described inclination valve plate, external rings at described scalable guiding support bar is cased with playing inclination valve plate the spring of elastic pressure, the upper end of described scalable guiding support bar is fixing with valve interior wall to be connected.
As preferably, described scalable guiding support bar is set to scalable damper rod.
As preferably, described scalable guiding support bar is fixed with tilting vertical connection between valve plate.
As preferably, it is bowl-shape and the concave valve plate with smooth convex surface that described inclination valve plate is set to outward appearance, coordinating convex surface facing inclined via-hole and sealing with inclined via-hole of described concave valve plate.
Compared with prior art, of the present utility model have the beneficial effect that the quiet non-return valve of described lift uses tilting dividing plate and valve plate, thus the most effectively reduce the fluid impulsive force to check valve plate, extend its service life, but also effectively reduce the fluid resistance by valve body, and overall valve body simple in construction, fabrication and installation are convenient, practicality is high, has higher economic benefit, is suitable for popularization and application.
Accompanying drawing illustrates:
Below in conjunction with the accompanying drawings this utility model is further illustrated；
Fig. 1 is structural representation of the present utility model
In figure: 1, valve body；2, import；3, outlet；4, tilt clapboard；5, Upper fluid chamber；6, fluid chambers；7, inclined via-hole；8, valve plate is tilted；9, scalable guiding support bar；10, spring.
Detailed description of the invention:
Below in conjunction with the accompanying drawings and this utility model is described in detail by detailed description of the invention:
A kind of quiet non-return valve of lift shown in Fig. 1, there is valve body 1, import 2 and the outlet 3 of fluid turnover it is provided with in described valve body 1 front and back end, a tilt clapboard 4 it is provided with in described valve body 1, the two ends of described tilt clapboard 4 are fixing with valve body 1 inwall diagonal angle to be connected and described body cavity is separated into Upper fluid chamber 5 and fluid chambers 6, a through Upper fluid chamber 5 and the inclined via-hole 7 of fluid chambers 6 it is provided with at the middle part of described tilt clapboard 4, described inclined via-hole 7 is provided with an inclination valve plate 8 sealed engagement therewith, fixing connection one scalable guiding support bar 9 in the middle part of described inclination valve plate 8, external rings at described scalable guiding support bar 9 is cased with playing inclination valve plate the spring 10 of elastic pressure, the upper end of described scalable guiding support bar 9 is fixing with valve body 1 inwall to be connected.nullWhen reality is applied，After fluid flows at import 2，Inclined via-hole 7 on fluid chambers 5 and tilt clapboard 4，Then promote the oblique rising of valve plate 8 then to open through hole，Current are made to flow into Upper fluid chamber 6 from fluid chambers 5，Through outlet 3 outflow after，When passing through without fluid in valve body 1，Now need check fluid，Then tilt valve plate 8 drop obliquely under the effect of spring 10 and coordinate with inclined via-hole 7 sealing，Fluid is made only to stay in tilting outside valve plate 8，Owing to middle tilt clapboard 8 is obliquely installed，And inclination valve plate 8 and inclined via-hole 7 all coordinate with it and are obliquely installed，When then passing through by when fluid and impact inclination valve plate 8，It is to weakening that the impulsive force tilting valve plate 8 will go up largely，And can be relatively easy to wash inclination valve plate 8 open，And check effect is also unaffected，And it is the impulsive force weakening fluid further to tilting valve plate 8，Strengthen its service life，Described scalable guiding support bar 9 is set to scalable damper rod，Described scalable guiding support bar 9 is fixed with tilting vertical connection between valve plate 8.
Additionally, for further dispersing fluid impulsive force and active area to tilting valve plate 8, noise during minimizing, it is bowl-shape and the concave valve plate with smooth convex surface that described inclination valve plate 8 is set to outward appearance, coordinating convex surface facing inclined via-hole 7 and sealing with inclined via-hole 7 of described concave valve plate.
The quiet non-return valve of above-mentioned lift uses tilting dividing plate and valve plate, thus the most effectively reduces the fluid impulsive force to check valve plate, extends its service life, but also effectively reduce the fluid resistance by valve body, and entirety valve body simple in construction, fabrication and installation are convenient, and practicality is high.
It is emphasized that: be the most only preferred embodiment of the present utility model, not this utility model is made any pro forma restriction, every any simple modification, equivalent variations and modification made above example according to technical spirit of the present utility model, all still falls within the range of technical solutions of the utility model.
Claims (4)
- null1. the quiet non-return valve of lift，There is valve body (1)，Import (2) and the outlet (3) of fluid turnover it is provided with in described valve body (1) front and back end，It is characterized in that: in described valve body (1), be provided with a tilt clapboard (4)，The two ends of described tilt clapboard (4) are fixing with valve body (1) inwall diagonal angle to be connected and described valve body (1) inner chamber is separated into Upper fluid chamber (5) and fluid chambers (6)，The inclined via-hole (7) of a through Upper fluid chamber (5) and fluid chambers (6) it is provided with at the middle part of described tilt clapboard (4)，Described inclined via-hole (7) is provided with an inclination valve plate (8) sealed engagement therewith，Described inclination valve plate (8) middle part is fixing connects a scalable guiding support bar (9)，External rings described scalable guiding support bar (9) is cased with playing inclination valve plate (8) spring (10) of elastic pressure，The upper end of described scalable guiding support bar (9) is fixing with valve body (1) inwall to be connected.
- The quiet non-return valve of lift the most according to claim 1, it is characterised in that: described scalable guiding support bar (9) is set to scalable damper rod.
- The quiet non-return valve of lift the most according to claim 1, it is characterised in that: described scalable guiding support bar (9) is fixed with tilting vertical connection between valve plate (8).
- The quiet non-return valve of lift the most according to claim 1, it is characterized in that: it is bowl-shape and the concave valve plate with smooth convex surface that described inclination valve plate (8) is set to outward appearance, coordinating convex surface facing inclined via-hole (7) and sealing with inclined via-hole (7) of described concave valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620068730.XU CN205534418U (en) | 2016-01-25 | 2016-01-25 | Over -and -under type silence check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620068730.XU CN205534418U (en) | 2016-01-25 | 2016-01-25 | Over -and -under type silence check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534418U true CN205534418U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620068730.XU Active CN205534418U (en) | 2016-01-25 | 2016-01-25 | Over -and -under type silence check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205534418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485381A (en) * | 2016-01-25 | 2016-04-13 | 苏州巨瀚阀门有限公司 | Lifting type silent check valve |
-
2016
- 2016-01-25 CN CN201620068730.XU patent/CN205534418U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485381A (en) * | 2016-01-25 | 2016-04-13 | 苏州巨瀚阀门有限公司 | Lifting type silent check valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |