CN205978481U - Pilot type cage regulation valve - Google Patents
Pilot type cage regulation valve Download PDFInfo
- Publication number
- CN205978481U CN205978481U CN201620993498.0U CN201620993498U CN205978481U CN 205978481 U CN205978481 U CN 205978481U CN 201620993498 U CN201620993498 U CN 201620993498U CN 205978481 U CN205978481 U CN 205978481U
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- CN
- China
- Prior art keywords
- valve
- spring
- pilot
- guide
- case
- 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.)
- Expired - Fee Related
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 8
- 241000446313 Lamella Species 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
The utility model relates to a pilot type cage regulation valve, which comprises the following components: a valve body, a valve sea, sleeve and case subassembly, the case subassembly includes H shape main valve core and the guide case of sliding fit in the sleeve, guide's disk seat mouth is established to main valve core's middle board, main valve core's peripheral tube -shape portion and valve seat seal cooperation, establish the spring holder in the peripheral tube -shape portion, the spring holder is including the installation bedplate of taking the pressure release through -hole, establish the spring position fixing cover of tube -shape on the installation bedplate, spring position fixing sheathes the port lid in and establishes the case guide pin bushing, guide's case sliding fit is in the case guide pin bushing, guide's case middle part sets up the spacing annular defining flange of backstop in the spring position fixing cover and bottom the case guide pin bushing, guide's case passes spring position fixing cover port and the sealed cooperation of guide's disk seat mouth down, installation spring in the spring position fixing cover, the spring lower extreme supports and sheathes in at spring position fixing, the upper end butt is on annular defining flange. Has the simple structure compactness, low in manufacturing cost, the advantage of reliable operation.
Description
Technical field
This utility model is related to valve technology field, is specifically cage type regulating valve, more precisely adopts bivalve
The pilot cage regulating valve of cored structure.
Background technology
Cage type regulating valve is pressure balance type regulating valve, and trim adopts the pilot-operated type valve element of cage guiding, and it is mainly sharp
Realize valve element quick acting with the pressure of fluid, operating physical force is little.
At present, China has great potentiality, above-mentioned field institute in fields such as oil, natural gas, electric power, chemical industry, environmental protection
The environment being related to mostly is environment under high pressure, therefore heavy caliber high pressure force regulating valve, single-seat valve or two-seater cage type regulating valve etc. need
The amount of asking is larger, and such valve needs to bear larger pressure reduction online, is requested to possess high accuracy leakage class again（IV level）
Requirement, this is often not fully up to expectations for existing valve.
As China Patent No. be 201210122962.5 patent documentation disclosed in entitled " a kind of pilot-operated type is adjusted
Valve ", including valve body, valve element, valve rod and handle, valve element is located in valve body and valve rod the inner is connected with valve element, and valve rod outer end is stretched
Go out valve body to be connected with handle, valve element is cylindrical in shape and is enclosed within valve rod, valve rod has and can be resisted against at valve element bottom port
Nut and the small valve core being resisted against at valve element top port, valve element is located between nut and small valve core and it can be at both
Between move, there is between valve element and valve rod the passage passing through for fluid media (medium), have between small valve core and valve element top port work as
Both contacts enable the sealing structure sealing.There is complex structure in the pilot-operated type adjusting valve of said structure, improve and be manufactured into
This.
Content of the invention
The present utility model purpose：For the defect overcoming prior art to exist, a kind of this utility model double-valve-seat of offer
Structure design, simple and compact for structure, low cost of manufacture, the pilot cage regulating valve of reliable operation.
For achieving the above object, this utility model provides following technical scheme：
A kind of pilot cage regulating valve, the valve gap including the valve body with S type runner, being covered on valve body oral area and
The valve rod in valve body is stretched at end through valve gap, is provided with valve seat, is provided with sleeve above valve seat in the S type runner of valve body, sliding in sleeve
Dynamic be combined with core assembly, core assembly and valve rod be connected it is characterised in that：Described core assembly include main valve plug with
And pilot valve, main valve plug is slidably fitted in sleeve, and the cross sectional shape of described main valve plug is H-shaped, the middle plate portion of main valve plug
Center is provided with guide's valve seat mouth, and the peripheral cylindrical portion lower end of main valve plug is coordinated with valve base sealing, in the peripheral cylindrical portion of main valve plug
End cap is provided with spring base, and spring base includes installation seat plate, and installation seat plate is provided with some pressure release through holes, and installation seat plate center is provided with
The spring positioning sleeve of tubular, spring positioning sleeve upper port cover is provided with valve element guide pin bushing, and pilot valve top is slidably fitted in valve element and leads
Set in, be provided with annular stop flange in the middle part of pilot valve, annular stop flange is placed in spring positioning sleeve, annular stop flange with
The spacing cooperation of valve element guide pin bushing bottom stop, the bottom of pilot valve passes through spring positioning sleeve lower port to join with the sealing of guide's valve seat mouth
Close, in described spring positioning sleeve, spring is installed, described lower spring end is supported on spring positioning sleeve, and spring upper end is connected to elder generation
On the annular stop flange of guide valve core.
By adopting technique scheme, core assembly adopts bivalve core structure designs, and during work, pilot valve is beaten in advance
Open and realize pressure release, then pilot valve drives main valve plug to realize big flow and opens, and has mechanism's fast response time, spring is not only right
Pilot valve and main valve plug push to hold out against and act on it is ensured that sealed reliable is it is ensured that valve closing is reliable, and provide driving pilot valve
, so that opening speed is fast, operation is more sensitive for the active force that core rises, and realizes pretension effect it is ensured that core assembly working stability
Reliable；And under the structure design of core assembly, it is simple and compact for structure, easy accessibility, also further increase the steady of work
Determine reliability.
Preferably, described spring is that some disc spring film stackings are constituted.Under this structure design, disk spring rigidity is big,
Buffering vibration absorption ability is strong, can bear big load with small deformation so that the more stable reliability of the work of valve element.
Preferably, the intermediate plate portion of described main valve plug is located at the peripheral cylindrical portion lower position of main valve plug, described spring base
Spring positioning sleeve stretch in the peripheral cylindrical portion upper end cavity of described main valve plug.Under this structure design, core assembly structure is more
For compact, and make pilot valve work more stable.
Preferably, the peripheral cylindrical portion upper port of described main valve plug is provided with interior bench port, the installation seat plate of described spring base
Positioning is inlaid in interior bench port.So that the reliable positioning of spring base is assemblied on main valve plug under this structure design, structure is more
Compact.
Preferably, the lower end of described valve element guide pin bushing is extended with positioning convex, the spring positioning sleeve upper port of described spring base
It is provided with detent, the positioning convex of described valve element guide pin bushing is plugged in detent.So that valve element guide pin bushing under this structure design
More solid and reliable with spring base cooperation.
Below in conjunction with the accompanying drawings this utility model is further described.
Brief description
Fig. 1 is this utility model specific embodiment pilot cage regulating valve structural representation；
Fig. 2 is this utility model specific embodiment core assembly structural representation.
Specific embodiment
As shown in Figure 1 and 2, a kind of pilot cage regulating valve disclosed in this utility model, including with S type runner 10
The valve rod 3 in valve body 1, the S type stream of valve body 1 are stretched in valve body 1, the valve gap 2 being covered on valve body 1 oral area and one end through valve gap 2
It is provided with valve seat 4 in road 10, above valve seat 4, is provided with sleeve 5, in sleeve 5, be sliding combined with core assembly, core assembly and valve rod 3
It is connected, described core assembly includes main valve plug 6 and pilot valve 7, main valve plug 6 is slidably fitted in sleeve 5, described
Main valve plug 6 cross sectional shape is H-shaped, and middle plate portion 61 center of main valve plug 6 is provided with guide's valve seat mouth 62, the outer shroud of main valve plug 6
Shape portion 63 lower end is covered with spring base 8 with valve seat 4 sealing cooperation, peripheral cylindrical portion 63 upper end of main valve plug 6, and spring base 8 includes
Installation seat plate 81, installation seat plate 81 is provided with some pressure release through holes 810, and installation seat plate 81 center is provided with the spring positioning sleeve of tubular
82, spring positioning sleeve 82 upper port cover is provided with valve element guide pin bushing 9, and pilot valve 7 top is slidably fitted in valve element guide pin bushing 9, guide
Be provided with annular stop flange 71 in the middle part of valve element 7, annular stop flange 71 is placed in spring positioning sleeve 82, annular stop flange 71 with
The spacing cooperation of valve element guide pin bushing 9 bottom stop, the bottom of pilot valve 7 passes through spring positioning sleeve 82 lower port and guide's valve seat mouth 62
Sealing cooperation, constitutes the keying to guide's valve seat mouth 62 and controls, be provided with spring 83, described spring in described spring positioning sleeve 82
83 is that some disc spring film stackings are constituted, and described spring 83 lower end is supported on spring positioning sleeve 82, and spring 83 upper end abuts
On the annular stop flange 71 of pilot valve 7.
In this utility model, core assembly adopts bivalve core structure designs, and during work, pilot valve is opened realization in advance and let out
Press, then pilot valve drives main valve plug to realize big flow and opens, and has mechanism's fast response time, spring is not only to pilot valve
Push the effect of holding out against with main valve plug it is ensured that sealed reliable is it is ensured that valve closing is reliable, and provide and drive pilot valve to rise
, so that opening speed is fast, operation is more sensitive for active force, realizes pretension and acts on it is ensured that core assembly is stable and reliable in work；And
Under the structure design of core assembly, it is simple and compact for structure, easy accessibility, also further increases the reliability of work.
For further such that compact conformation, the middle plate portion 61 of described main valve plug 6 is located at the peripheral cylindrical portion 63 of main valve plug 6
Lower position, the spring positioning sleeve 82 of described spring base 8 stretches in the peripheral cylindrical portion 63 upper end cavity of described main valve plug 6.This
Sample also makes pilot valve work more stable.
Convenient and reliable after core assembly assembling for making, peripheral cylindrical portion 63 upper port of described main valve plug 6 is provided with interior
Bench port 631, installation seat plate 81 positioning of described spring base 8 is inlaid in interior bench port 631.Then through screw locking.So that
The reliable positioning of spring base is assemblied on main valve plug, and structure is more compact.The lower end of described valve element guide pin bushing 9 is extended with positioning convex
91, spring positioning sleeve 82 upper port of described spring base 8 is provided with detent 821, and the positioning convex 91 of described valve element guide pin bushing 9 is inserted
It is loaded in detent 821.Valve element guide pin bushing and spring base are coordinated more solid and reliable.
Claims (5)
1. a kind of pilot cage regulating valve, the valve gap including the valve body with S type runner, being covered on valve body oral area and one end
Stretch into the valve rod in valve body through valve gap, be provided with valve seat in the S type runner of valve body, above valve seat, be provided with sleeve, slide in sleeve
Be combined with core assembly, core assembly and valve rod be connected it is characterised in that：Described core assembly include main valve plug and
Pilot valve, main valve plug is slidably fitted in sleeve, and the cross sectional shape of described main valve plug is H-shaped, in the middle plate portion of main valve plug
The heart is provided with guide's valve seat mouth, and the peripheral cylindrical portion lower end of main valve plug is coordinated with valve base sealing, the peripheral cylindrical portion upper end of main valve plug
It is covered with spring base, spring base includes installation seat plate, installation seat plate is provided with some pressure release through holes, installation seat plate center is provided with cylinder
The spring positioning sleeve of shape, spring positioning sleeve upper port cover is provided with valve element guide pin bushing, and pilot valve top is slidably fitted in valve element guide pin bushing
Interior, it is provided with annular stop flange in the middle part of pilot valve, annular stop flange is placed in spring positioning sleeve, annular stop flange and valve
The spacing cooperation of core guide pin bushing bottom stop, the bottom of pilot valve passes through spring positioning sleeve lower port to join with the sealing of guide's valve seat mouth
Close, in described spring positioning sleeve, spring is installed, described lower spring end is supported on spring positioning sleeve, and spring upper end is connected to elder generation
On the annular stop flange of guide valve core.
2. according to claim 1 pilot cage regulating valve it is characterised in that：Described spring is some disk spring lamellas
Folded composition.
3. according to claim 1 pilot cage regulating valve it is characterised in that：The intermediate plate portion of described main valve plug is located at master
The peripheral cylindrical portion lower position of valve element, the spring positioning sleeve of described spring base stretches into the peripheral cylindrical portion upper end of described main valve plug
In cavity.
4. according to claim 1 or pilot cage regulating valve described in 2 or 3 it is characterised in that：The peripheral tubular of described main valve plug
Portion's upper port is provided with interior bench port, and the installation seat plate positioning of described spring base is inlaid in interior bench port.
5. according to claim 1 or pilot cage regulating valve described in 2 or 3 it is characterised in that：The lower end of described valve element guide pin bushing is prolonged
Stretching has positioning convex, and the spring positioning sleeve upper port of described spring base is provided with detent, the positioning convex of described valve element guide pin bushing
It is plugged in detent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620993498.0U CN205978481U (en) | 2016-08-30 | 2016-08-30 | Pilot type cage regulation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620993498.0U CN205978481U (en) | 2016-08-30 | 2016-08-30 | Pilot type cage regulation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978481U true CN205978481U (en) | 2017-02-22 |
Family
ID=58041650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620993498.0U Expired - Fee Related CN205978481U (en) | 2016-08-30 | 2016-08-30 | Pilot type cage regulation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978481U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606199A (en) * | 2017-10-11 | 2018-01-19 | 氟络塞尔特种阀门(苏州)有限公司 | A kind of bigger hand drain valve of flow control scope |
| CN114535988A (en) * | 2022-01-14 | 2022-05-27 | 嘉兴职业技术学院 | Screw locking system |
-
2016
- 2016-08-30 CN CN201620993498.0U patent/CN205978481U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606199A (en) * | 2017-10-11 | 2018-01-19 | 氟络塞尔特种阀门(苏州)有限公司 | A kind of bigger hand drain valve of flow control scope |
| CN114535988A (en) * | 2022-01-14 | 2022-05-27 | 嘉兴职业技术学院 | Screw locking system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 |