CN206299798U - Floated control valve - Google Patents
Floated control valve Download PDFInfo
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- CN206299798U CN206299798U CN201621373501.5U CN201621373501U CN206299798U CN 206299798 U CN206299798 U CN 206299798U CN 201621373501 U CN201621373501 U CN 201621373501U CN 206299798 U CN206299798 U CN 206299798U
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- valve
- sleeve
- valve element
- valve seat
- control valve
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Abstract
The utility model is related to control valve technology field, especially relates to a kind of floated control valve.The structure is including sleeve, valve seat, valve element, valve rod, valve body, bonnet, V-shaped seal ring, sealing gasket etc..Valve element does reciprocating linear motion in hub internal bore, to control keying and the guide elements of valve.Valve element together decides on the leakage class and whole machine operation stability for controlling valve with the axiality of sleeve, valve element and valve seat, sleeve and valve seat three's mating surface.The floated control valve connects as one sleeve with valve seat, it is suspended in valve body middle chamber, it is not fixed in valve body locating slot, valve element can be with automatic capturing with sleeve, valve element and valve seat in installation process, high axiality is ensure that, and innovatively uses V-shaped seal ring as the sealing between valve seat and valve body, be capable of achieving high-leakage grade, and whole machine is stable, efficiently avoid and control valve emerged in operation stuck and pull the failure of trim.
Description
Technical field
The utility model is related to control valve technology field, more particularly to a kind of suitable for various gases, liquid operating mode, has
High-leakage grade, anti-jamming, anti-internals pull the floated control valve of feature.
Background technology
As shown in figure 1, in order to ensure the sealing between valve seat 8 and valve body 10, the upper surface groove of Traditional control valve cage 4
In be provided with the first sealing gasket 11, the second sealing gasket 12 is provided with the lower surface groove of valve seat 8, when valve seat 8, sleeve 4 are all fixed
In having good sealing property after the lumen of valve body 10, but in installation process, when the not yet centering of valve element 6, each part has been positioned,
So as to fit clearance is uneven between valve element 6 and sleeve 4, valve element 6 and valve seat 8, it is impossible to ensure assembling axiality higher, cause
Control valve leakage rate is exceeded, and failure that is stuck, pulling trim often occurs.
Utility model content
The technical problems to be solved in the utility model is：In order to solve the shortcoming of above-mentioned control valve arrangement, the utility model
A kind of floated control valve is provided.Sleeve and valve seat using floated structure, using new-type V-shaped seal ring, make valve element, sleeve,
Automatic capturing in valve seat assembling process, both ensure that high-leakage grade, at the same can prevent again control valve running in it is stuck,
Internals such as pull at the failure.
The utility model solves the technical scheme that its technical problem used：A kind of floated control valve, including upper valve
Lid, valve body, sleeve, valve element, valve rod and valve seat, the both sides of the valve body are respectively arranged with the import that is communicated with body cavity and go out
Mouthful, the upper end of valve body is provided with the valve element installation passage communicated with body cavity, and the bonnet, is fixedly mounted on the upper of valve body
End, sleeve is fixedly mounted in valve element installation passage, and the upper end of sleeve is fixedly connected with the bottom of bonnet, and valve seat is fixedly connected
In the lower end of sleeve, valve element is slidably mounted in sleeve, and valve rod is interspersed in bonnet, and is fixedly connected with valve element upper end, sleeve
Bottom and valve seat are contactless vacant state and valve body between, and multiple metering orifices are offered on sleeve.Valve seat is installed with valve body
The radial clearance between gap and valve seat and valve body, sleeve and valve body between groove end face makes automatic in valve element installation process enough
Centering, it is ensured that floated structure.So, when controlling valve to install, valve element is first in hub internal bore voluntarily centering, it is ensured that high
Axiality.
The periphery of the valve seat is set and offers groove, be provided with V-shaped seal ring in groove, and the V-shaped seal ring is opened
Mouth is downwards.Due to being provided with V-shaped seal ring in valve seat excircle groove, V-shaped seal ring is a kind of fabulous new of sealing property
Potted component, deformation can be supportted big, as the sealing between valve seat and valve body rapidly by pressure medium effect；Innovatively use V-type
Sealing ring is capable of achieving high-leakage grade as the sealing between valve seat and valve body, and whole machine is stable, in valve element operation never
Failure that is stuck and pulling trim occurs.
In order to ensure the sealing between sleeve upper end and bonnet, bottom and valve body upper end, the upper surface of the sleeve
Outer ring be provided with flange, the upper port of valve element installation passage is provided with flange sealing trough, and flange is arranged in flange sealing trough,
And the upper and lower end face of flange is provided with sealing gasket.
In order to ensure the sealing between valve element and sleeve, the periphery on the valve element top opens up fluted, is set in groove
It is equipped with sealing ring.
In order to ensure to be tightly connected between sleeve and valve seat, the sleeve lower surface offers circumferential groove, in groove
Lower seal pad is installed.
The beneficial effects of the utility model are, floated control valve of the present utility model, by sleeve, valve seat, valve element, valve
The floated control valve of the compositions such as bar, valve body, bonnet, V-shaped seal ring, sealing gasket, sleeve is connected as monoblock type with valve seat, hangs
Float on valve body middle chamber, change the traditional structure that sleeve and seat compression are fixed on valve body middle chamber, in installation process valve element with
Sleeve, valve element and valve seat can be with automatic capturings, it is ensured that high installation axiality, and innovatively use V-shaped seal ring conduct
Sealing between valve seat and valve body, is capable of achieving high-leakage grade, and whole machine is stable, never occurs in valve element operation stuck
And pull the phenomenon of trim.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is traditional non-floated control trim structure chart；
Fig. 2 is the overall structure diagram of the floated control valve of the utility model；
Fig. 3 is the inner parts structure zoomed-in view of the floated control valve of the utility model；
Fig. 4 is floated control valve cage and the floated structure zoomed-in view of valve seat.
In figure：1st, bonnet, 2, upper sealing gasket, 3, valve rod, 4, sleeve, 41, metering orifice, 42, flange, 5, sealing ring, 6,
Valve element, 7, lower seal pad, 8, valve seat, 9, V-shaped seal ring, 10, valve body, the 11, first sealing gasket, the 12, second sealing gasket, 13, flat
Weighing apparatus hole.
Specific embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Basic structure of the present utility model is only illustrated in a schematic way, therefore it only shows the composition relevant with the utility model.
As in Figure 2-4, it is the utility model optimum embodiment, the utility model is applied to various gases, liquid operating mode,
Pull the floated control valve of feature with high-leakage grade, anti-jamming, anti-internals, including bonnet, 1, valve body 10, sleeve 4,
Valve element 6, valve rod 3 and valve seat 8, the both sides of valve body 10 are respectively arranged with the inlet and outlet communicated with body cavity, valve body 10
Upper end is provided with the valve element installation passage communicated with body cavity, and bonnet, 1 is fixedly mounted on the upper end of valve body 10, and sleeve 4 is consolidated
In valve element installation passage, the upper end of sleeve 4 is fixedly connected with the bottom of bonnet, 1, and valve seat 8 is fixedly connected on sleeve for Dingan County
4 lower end, by sleeve 4 and valve seat 8, with circumference after being threadedly coupled, uniform spot welding is fixed everywhere；Valve element 6 is slidably mounted on sleeve 4
Interior, valve rod 3 is interspersed in bonnet, 1 and is fixedly connected with the upper end of valve element 6, and the bottom of sleeve 4 and valve seat 8 are and valve body 10 between
Contactless vacant state, the middle part of sleeve 4 offers multiple metering orifices 41, meets different negotiability demands.Valve element 6 is in sleeve
4 endoporus do reciprocating linear motion, keying and guide elements as control valve.When valve element 6 runs to bottom, its bottom
Sealing surface is contacted with the sealing surface of valve seat 8, now controls valve to completely close (state as shown in Figure 3).Valve element 6 and sleeve 4, valve element
6 together decide on the leakage class that control valve and the operation of whole machine with the axiality of valve seat 8, sleeve 4 and the three's mating surface of valve seat 8 surely
It is qualitative.The floated control valve connects as one sleeve 4 with valve seat 8, is suspended in the lumen of valve body 10, is not fixed in valve
The locating slot of body 10, valve element 6 is with sleeve 4, valve element 6 can be with automatic capturing with valve seat 8 in installation process, it is ensured that high is coaxial
Degree, and V-shaped seal ring 9 is innovatively used as the sealing between valve seat 8 and valve body 10, it is capable of achieving high-leakage grade, and whole machine
It is stable, efficiently avoid and control valve emerged in operation stuck and pull the failure of trim.
The periphery of valve seat 8 sets and offers groove, is provided with V-shaped seal ring 9 in groove, the opening of V-shaped seal ring 9 to
Under.V-shaped seal ring 9 is a kind of fabulous sealed element of sealing property, deformation support greatly, can be made rapidly by pressure medium effect
It is the sealing between valve seat 8 and valve body 10.
The outer ring of the upper surface of sleeve 4 is provided with flange 42, and the upper port of valve element installation passage is provided with flange sealing trough,
Flange 42 is arranged in flange sealing trough, and the upper and lower end face of flange 42 is provided with sealing gasket 2.
The external diameter of valve element 6 and the inner hole of sleeve 4, the periphery on the top of valve element 6 opens up fluted, sealing ring is provided with groove
5。
The lower surface of sleeve 4 offers circumferential groove, and lower seal pad 7 is provided with groove, as valve seat 8 and sleeve 4 it
Between sealing.
Between gap and valve seat 8 and valve body 10, sleeve 4 and valve body 10 between valve seat 8 and the mounting groove end face of valve body 10
Radial clearance makes automatic capturing in the installation process of valve element 6 enough, it is ensured that floated structure.So, when controlling valve to install, valve element
6 first in the endoporus of sleeve 4 voluntarily centering, it is ensured that high axiality, and innovatively uses V-shaped seal ring 9 as valve seat 8 and valve
Sealing between body 10, is capable of achieving high-leakage grade, and whole machine is stable, and valve element 6 never occurs stuck and draws in running
Hinder the failure of trim.
With above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (5)
1. a kind of floated control valve, it is characterised in that：Including bonnet, (1), valve body (10), sleeve (4), valve element (6), valve rod
(3) and valve seat (8), the both sides of the valve body (10) are respectively arranged with the inlet and outlet communicated with body cavity, valve body (10)
Upper end be provided with the valve element installation passage communicated with body cavity, the bonnet, (1) is fixedly mounted on the upper of valve body (10)
End, sleeve (4) is fixedly mounted in valve element installation passage, and the upper end of sleeve (4) is fixedly connected with the bottom of bonnet, (1), valve
Seat (8) is fixedly connected on the lower end of sleeve (4), and valve element (6) is slidably mounted in sleeve (4), and valve rod (3) is interspersed in bonnet,
(1) it is fixedly connected in and with valve element (6) upper end, sleeve (4) bottom and valve seat (8) are contactless hanging and valve body (10) between
State, multiple metering orifices (41) are offered on the sleeve (4).
2. floated control valve as claimed in claim 1, it is characterised in that：The periphery of the valve seat (8) sets and offers ditch
Groove, is provided with V-shaped seal ring (9) in groove, Open Side Down for the V-shaped seal ring (9).
3. floated control valve as claimed in claim 1, it is characterised in that：The outer ring of the upper surface of the sleeve (4) is set
The upper port for having flange (42), valve element installation passage is provided with flange sealing trough, and flange (42) is arranged in flange sealing trough, and
The upper and lower end face of flange (42) is provided with sealing gasket (2).
4. floated control valve as claimed in claim 1, it is characterised in that：The periphery on valve element (6) top offers recessed
Groove, is provided with sealing ring (5) in groove.
5. floated control valve as claimed in claim 1, it is characterised in that：Sleeve (4) lower surface offers circumferential
Groove, is provided with lower seal pad (7) in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621373501.5U CN206299798U (en) | 2016-12-14 | 2016-12-14 | Floated control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621373501.5U CN206299798U (en) | 2016-12-14 | 2016-12-14 | Floated control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206299798U true CN206299798U (en) | 2017-07-04 |
Family
ID=59214306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621373501.5U Active CN206299798U (en) | 2016-12-14 | 2016-12-14 | Floated control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206299798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373000A (en) * | 2019-01-02 | 2019-02-22 | 波普科技(唐山)有限公司 | Piston valve |
| CN111779852A (en) * | 2020-06-22 | 2020-10-16 | 安徽康赛特流体控制科技有限公司 | Sleeve single-seat control valve with balance chamber |
-
2016
- 2016-12-14 CN CN201621373501.5U patent/CN206299798U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373000A (en) * | 2019-01-02 | 2019-02-22 | 波普科技(唐山)有限公司 | Piston valve |
| CN111779852A (en) * | 2020-06-22 | 2020-10-16 | 安徽康赛特流体控制科技有限公司 | Sleeve single-seat control valve with balance chamber |
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| GR01 | Patent grant |