CN209725430U - A kind of high performance low noise regulating valve - Google Patents
A kind of high performance low noise regulating valve Download PDFInfo
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- CN209725430U CN209725430U CN201920322305.2U CN201920322305U CN209725430U CN 209725430 U CN209725430 U CN 209725430U CN 201920322305 U CN201920322305 U CN 201920322305U CN 209725430 U CN209725430 U CN 209725430U
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Abstract
The utility model discloses a kind of high performance low noise regulating valves, including valve body, the valve body is equipped with runner and valve chamber, valve cage is equipped in the valve chamber, valve seat is equipped between the valve cage and valve body, spool is equipped in the valve cage, the spool is equipped with the valve rod that driving spool is moved axially along valve cage, the spool and valve cage movable sealing, valve deck is equipped with above valve body, the valve rod passes through valve deck and is connected with executing agency, the throttling cover that cooperation is all sealed with the two is additionally provided between valve seat and the valve cage, the throttling cover circumferential direction is equipped with identical first noise abatement in several apertures hole, first noise abatement hole is centrosymmetric distribution about the axis of throttling cover；The valve seat is towards several apertures identical second noise abatement hole is equipped on each end face of the runner, and wherein the second noise abatement hole in valve seat circumferential direction is centrosymmetric distribution about the axis of valve seat, and the noise abatement hole in bottom surface of valve seat is spaced apart.The utility model has the beneficial effects that reducing the turbulent flow and noise of regulating valve.
Description
Technical field
The utility model relates to valve technology field, in particular to a kind of high performance low noise regulating valve.
Background technique
Regulating valve is the control signal by receiving regulation unit output, goes to change medium flow field by power operation
The final control element of the technological parameters such as amount, pressure, temperature, liquid level.The valve seat of traditional type regulating valve is to lock by screw thread in valve
On body, design is complicated and maintenance replacement is very difficult, occurs high-performance regulating valve in the world at present, it uses automatic centering
The snap-in non-threaded connecting valve seat of the heart, the fixed force of valve seat are realized by valve deck and the axial thrust of valve cage application, valve cage
Fluid can be guided again, and buffer fluid pressure protects spool valve seat not by fluid erosion, the destruction of valve steaming and air.But it flows into
The fluid of valve is still easy turbulent flow, and negotiability is insufficient, can also cause noise, it is therefore desirable to throttling cover be added in valve and come
Limitation turbulent flow, but the leakproofness of throttle cover and valve cage and valve seat is also problem to be solved.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of high performance low noise regulating valves.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions: a kind of high-performance low noise
Sound regulating valve, including valve body, the valve body are equipped with runner and valve chamber, are equipped with valve cage in the valve chamber, the valve cage and valve body it
Between be equipped with valve seat, spool is equipped in the valve cage, the spool is equipped with the valve rod that driving spool is moved axially along valve cage, described
Spool and valve cage movable sealing, valve body top are equipped with valve deck, and the valve rod passes through valve deck and is connected with executing agency, valve seat and institute
State be additionally provided between valve cage with both all seal the throttling cover of cooperation, the throttling cover circumferential direction is equipped with several apertures identical the
One noise abatement hole, first noise abatement hole are centrosymmetric distribution about the axis of throttling cover；The valve seat is towards the runner
Several apertures identical second noise abatement hole is equipped on each end face, wherein axis of the second noise abatement hole about valve seat in valve seat circumferential direction
Line is centrosymmetric distribution, and the noise abatement hole in bottom surface of valve seat is spaced apart.
By using above-mentioned technical proposal, the noise abatement hole for the distribution that is centrosymmetric is set, meets aerodynamic principle, makes
The fluid obtained into valve can be evenly distributed on valve cage, minimize turbulent flow and other unstable factors, to change
The negotiability of kind valve；Meanwhile the turbulent flow reduction of valve export makes noise and valve body wear reduce to minimum.Especially suitable for permitting
Perhaps leakage rate it is small and under the biggish working condition of front and back pressure difference, it is alternative tradition single-seat valve, double-beat drop valve.
Be further arranged to: the valve seat is equipped with first boss towards the end face of valve body, and the valve body is equipped with and first
Boss compatible first groove is equipped with gasket seal between the first boss and the first groove.
By using above-mentioned technical proposal, make to form sealing between valve seat and valve body.
Be further arranged to: the valve seat is equipped with second boss towards the end face of throttling cover, and the valve body is equipped with and the
Two boss compatible second groove is equipped with gasket seal between the second boss and the second groove.
By using above-mentioned technical proposal, make to form sealing between valve seat and throttling cover.
Be further arranged to: throttling cover is equipped with third boss towards the end face of valve cage, the valve cage be equipped with
Third boss compatible third groove is equipped with sealing ring between the third boss and third groove.
By using above-mentioned technical proposal, covers throttling and form sealing between valve cage.
Be further arranged to: the sealing ring includes lip-shaped ring, and spring ring is equipped in the lip of the lip-shaped ring.
By using above-mentioned technical proposal, the sealing effect for covering throttling between valve cage is more preferable.
Be further arranged to: the runner includes first runner and second flow channel, and the throttling cover is located in first runner,
The valve seat is located in second flow channel.
By using above-mentioned technical proposal, second flow channel is medium flow field air stream enter runner, and first runner is medium flow pass,
Valve close when throttling cover not with media contact, reduce throttling cover and valve stress, increase throttling cover and valve rod use the longevity
Life.
Be further arranged to: the valve body is equipped with the 4th groove towards the end face of valve deck, and the valve cage is towards the end of valve deck
Face is equipped with the 5th groove, and the 4th groove and the 5th groove form the 6th groove of a connection, the valve deck direction the 6th
Groove is equipped with the 4th boss, and third gasket seal is equipped between the 4th boss and the 6th groove.
By using above-mentioned technical proposal, increased between valve body and valve cage using the cooperation of the 4th boss and the 6th groove
Stability, while making by third gasket seal the better tightness between valve body and valve cage and valve deck.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the enlarged diagram in Fig. 1 at A；
Fig. 3 is the enlarged diagram in Fig. 1 at B；
In figure: 1, valve body；2, valve seat；3, the first gasket seal；4, throttling cover；5, nut；6, valve cage；7, the second gasket
Piece；8, valve deck；9, valve rod；10, filler；11, filler pressing sleeve；12, hold-down grid；13, spool；14, pneumatic actuator；15,
Lip-shaped ring；16, spring ring；17, first runner；18, second flow channel；19, third gasket seal；20, the first noise abatement hole；21,
Two noise abatement holes；22, first boss；23, the first groove；24, second boss；25, the second groove；26, third boss；27, third
Groove；28, the 4th groove；29, the 5th groove；30, the 6th groove；31, the 4th boss.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, practical to this in order to which the technical solution of the utility model is more clearly understood
It is novel to be described in further detail.The direction being previously mentioned and position term, for example, "upper", "lower", "front", "rear", " left side ", "
The right side ", "inner", "outside" etc. are only direction or position with reference to attached drawing, and therefore, the direction and position term used is to illustrate
And understand the utility model, it should be understood that specific embodiment described herein only to explain the utility model, is not used to
Limit the utility model.
Referring to figs. 1 to Fig. 3, the utility model provides a kind of high performance low noise regulating valve, including valve body 1, the valve body 1
Equipped with runner and valve chamber, it is equipped with valve cage 6 in the valve chamber, valve seat 2 is equipped between the valve cage 6 and valve body 1, in the valve cage 6
Equipped with spool 13, the spool 13 is equipped with the valve rod 9 that driving spool 13 is moved axially along valve cage 6, and spool 13 and valve rod 9 pass through
Nut 5 is attached, and is sealed between valve rod 9 and valve deck 8 by filler 10, and filler 10 is equipped with filler pressing sleeve 11, filler
Pressing sleeve 11 is equipped with hold-down grid 12, the spool 13 and 6 movable sealing of valve cage, is equipped with valve deck 8, the valve rod 9 above valve body 1
Across valve deck 8 and it is connected with executing agency, executing agency in the present embodiment selects pneumatic actuator 14, valve seat 2 and described
The throttling cover 4 that cooperation is all sealed with the two is additionally provided between valve cage 6, it is identical equipped with several apertures that 4 circumferential directions are covered in the throttling
First noise abatement hole 20, first noise abatement hole 20 are centrosymmetric distribution about the axis of throttling cover 4；The valve seat 2 is towards institute
It states and is equipped with several apertures identical second noise abatement hole 21 on each end face of runner, wherein the second noise abatement hole in 2 circumferential direction of valve seat
21 are centrosymmetric distribution about the axis of valve seat 2, and the noise abatement hole on 2 bottom surface of valve seat is spaced apart.
In addition, the valve seat 2 is equipped with first boss 22 towards the end face of valve body 1, the valve body 1 is equipped with and first boss
22 compatible first grooves 23 are equipped with gasket seal between the first boss 22 and the first groove 23.2 direction of valve seat
The end face of throttling cover 4 is equipped with second boss 24, and the valve body 1 is equipped with second groove 25 compatible with second boss 24, institute
It states and is equipped with gasket seal between second boss 24 and the second groove 25.The throttling cover 4 is equipped with third towards the end face of valve cage 6
Boss 26, the valve cage 6 are equipped with third groove 27 compatible with third boss 26, the third boss 26 and third groove
Sealing ring is equipped between 27.The sealing ring includes lip-shaped ring 15, and high performance spring is equipped in the lip of the lip-shaped ring 15
Circle 16.The valve body 1 is equipped with the 4th groove 28 towards the end face of valve deck 8, and the valve cage 6 is equipped with the 5th towards the end face of valve deck 8
Groove 29, the 4th groove 28 and the 5th groove 29 form the 6th groove 30 of a connection, and the valve deck 8 towards the 6th is recessed
Slot 30 is equipped with the 4th boss 31, and third gasket seal 19 is equipped between the 4th boss 31 and the 6th groove 30.
The runner includes first runner 17 and second flow channel 18, and the throttling cover 4 is located in first runner 17, the valve
Seat 2 is located in second flow channel 18.Second flow channel 18 is medium flow field air stream enter runner, and first runner 17 is medium flow pass, in valve
Throttling cover 4 reduces throttling cover 4 and valve stress not with media contact when closing, increases the service life of throttling cover 4 and valve rod 9.
The present embodiment passes through the noise abatement hole that the distribution that is centrosymmetric is arranged, and meets aerodynamic principle, so that into valve
The fluid of door can be evenly distributed on valve cage 6, minimize turbulent flow and other unstable factors, so as to improve valve
Negotiability；Meanwhile the turbulent flow reduction of valve export makes noise and the abrasion of valve body 1 reduce to minimum.The present embodiment especially suitable for
Allow leakage rate it is small and under the biggish working condition of front and back pressure difference, it is alternative tradition single-seat valve, double-beat drop valve.It is provided with the again simultaneously
One gasket seal 3, the second gasket seal 7, third gasket seal 19 and lip-shaped ring 15, ensure that the excellent sealing of regulating valve
Property.
Above embodiments are only the explanation to the utility model, are not limitations of the present invention, for this
For the those of ordinary skill in field, without departing from the principle of this utility model, several deformations can also be made and changed
Into these are all within the protection scope of the present invention, therefore the protection scope of the utility model patent should be with claim
It is quasi-.
Claims (7)
1. a kind of high performance low noise regulating valve, including valve body, the valve body is equipped with runner and valve chamber, is equipped with valve in the valve chamber
Cage is equipped with valve seat between the valve cage and valve body, spool is equipped in the valve cage, and the spool is equipped with driving spool along valve cage
The valve rod of axial movement, the spool and valve cage movable sealing, valve body top are equipped with valve deck, and the valve rod passes through valve deck and connects
There is executing agency, it is characterised in that: the throttling cover that cooperation is all sealed with the two, the section are additionally provided between valve seat and the valve cage
It flows cover circumferential direction and is equipped with identical first noise abatement in several apertures hole, first noise abatement hole is in center pair about the axis of throttling cover
Claim distribution；The valve seat is towards several apertures identical second noise abatement hole is equipped on each end face of the runner, wherein valve seat
The second noise abatement hole in circumferential direction is centrosymmetric distribution about the axis of valve seat, and the noise abatement hole in bottom surface of valve seat is spaced apart.
2. a kind of high performance low noise regulating valve according to claim 1, it is characterised in that: the valve seat is towards valve body
End face is equipped with first boss, and the valve body is equipped with the first groove compatible with first boss, the first boss and first
The first gasket seal is equipped between groove.
3. a kind of high performance low noise regulating valve according to claim 1, it is characterised in that: it is characterized by: the valve
The end face of seat towards throttling cover is equipped with second boss, and the valve body is equipped with the second groove compatible with second boss, described
The second gasket seal is equipped between second boss and the second groove.
4. a kind of high performance low noise regulating valve according to claim 1, it is characterised in that: the throttling is covered towards valve cage
End face be equipped with third boss, the valve cage be equipped with third groove compatible with third boss, the third boss with
Sealing ring is equipped between third groove.
5. a kind of high performance low noise regulating valve according to claim 4, it is characterised in that: the sealing ring includes lip shape
It encloses, spring ring is equipped in the lip of the lip-shaped ring.
6. a kind of high performance low noise regulating valve according to claim 1, it is characterised in that: the runner includes first-class
Road and second flow channel, the throttling cover are located in first runner, and the valve seat is located in second flow channel.
7. a kind of high performance low noise regulating valve according to claim 1, it is characterised in that: the valve body is towards valve deck
End face is equipped with the 4th groove, and the valve cage is equipped with the 5th groove, the 4th groove and the 5th groove type towards the end face of valve deck
At the 6th groove of a connection, the valve deck is equipped with the 4th boss, the 4th boss and the 6th groove towards the 6th groove
Between be equipped with third gasket seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920322305.2U CN209725430U (en) | 2019-03-14 | 2019-03-14 | A kind of high performance low noise regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920322305.2U CN209725430U (en) | 2019-03-14 | 2019-03-14 | A kind of high performance low noise regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209725430U true CN209725430U (en) | 2019-12-03 |
Family
ID=68686365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920322305.2U Active CN209725430U (en) | 2019-03-14 | 2019-03-14 | A kind of high performance low noise regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209725430U (en) |
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2019
- 2019-03-14 CN CN201920322305.2U patent/CN209725430U/en active Active
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