CN208859063U - Low leakage pilot-operated type single-seat adjusting valve spool - Google Patents
Low leakage pilot-operated type single-seat adjusting valve spool Download PDFInfo
- Publication number
- CN208859063U CN208859063U CN201820296363.8U CN201820296363U CN208859063U CN 208859063 U CN208859063 U CN 208859063U CN 201820296363 U CN201820296363 U CN 201820296363U CN 208859063 U CN208859063 U CN 208859063U
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- China
- Prior art keywords
- spool
- gland
- valve
- sleeve
- low leakage
- 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.)
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- 210000004907 gland Anatomy 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003276 anti-hypertensive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model relates to low leakage pilot-operated type single-seat adjusting valve spools, including spool gland, spool, gasket, soft spool, sleeve, spring, valve rod, general stopper ring, gland, balanced seal circle and clamp nut, are to use to be threadedly coupled between gland and spool；Gasket is installed between sleeve and spool；General stopper ring sealing is installed between gland and sleeve.When valve opening is in the stroke range of small valve core, small valve core plays adjustment effect, and big valve core still remains off, to realize that the regulating valve flow more accurate in small guide vane is adjusted under the premise of guaranteeing original discharge characteristic, that is, realize big regulating ratio.Meanwhile in small valve core opening process, the small sleeve for the structure that spiles can control valve and generate vibration and noise to avoid obstruction stream is generated.On the other hand, to realize low leakage, big valve core is using soft sealing structure.The utility model has advantage easy to operate, easy for installation, safe and reliable, leakage rate is low.
Description
Technical field
The utility model belongs to control valve technical field, in particular to a kind of valve of low leakage pilot-operated type single-seat adjusting valve
Cored structure.
Background technique
With the growth of industrial circle the degree of automation, regulating valve plays in the automatic control system of modern plant
More and more important role, especially sleeve adjusting valve, because its negotiability is big, compact-sized, to be not easy blocking, degree of regulation high
The advantages that, the even more favor by more and more enterprises.Conventional single-seat adjusting valve regulating ratio is 30:1 or 50:1.It is opened small
When spending, most of regulating valve currently on the market, the regulating valve of especially linear flow characteristic is can not to accomplish accurate flow
It adjusts.And Vehicles Collected from Market is faced, regulating valve is needed in face of various operating conditions, however existing regulating valve is difficult to meet city
Field demand.
Utility model content
For above-mentioned problem of the prior art, the purpose of the utility model is to provide one kind to realize flow in small guide vane
The accurate regulation valve core adjusted and keep low leakage.
The purpose of this utility model is achieved by the following technical solution:
A kind of low leakage pilot-operated type single-seat adjusting valve spool, the regulation valve core include spool gland, spool, gasket,
Soft spool, sleeve, spring, valve rod, general stopper ring, gland, balanced seal circle and clamp nut, spool gland and spool, gland with
It is that gasket is installed between sleeve and spool, general stopper ring is installed between gland and sleeve using being threadedly coupled between spool
Sealing, during the work time, the valve rod is moved up and down along valve rod center line, and leading in balanced seal circle and valve rod shoulder
To under effect, holding movement is vertical, steady.
As the optimal technical scheme of the utility model, it is machined with slot on the upper valve core gland and gland, is convenient for
Installation.
As the optimal technical scheme of the utility model, the sleeve is the structure that spiles, and antihypertensive effect is good, drops simultaneously
It makes an uproar, vibration damping.
Have between 0.2mm as the optimal technical scheme of the utility model, between the gland, clamp nut and valve rod
Gap will not rub.
As the optimal technical scheme of the utility model, part and the valve rod shoulder of small valve core are served as in the valve rod lower end
It is machined with runner, for linking up valve core cavity and valve inlet runner, is reduced to a certain extent suffered when small valve core is opened
Out-of-balance force.
The beneficial effects of the utility model are: compared with the existing technology, the utility model is when valve opening is in small valve core
When in stroke range, small valve core plays adjustment effect, and big valve core still remains off, thus guaranteeing original discharge characteristic
Under the premise of, it realizes that the regulating valve flow more accurate in small guide vane is adjusted, that is, realizes big regulating ratio.Meanwhile in small valve
In core opening process, the small sleeve for the structure that spiles can control valve and generate vibration and noise to avoid obstruction stream is generated.Separately
On the one hand, to realize low leakage, big valve core is using soft sealing structure.The utility model have it is easy to operate, it is easy for installation,
Securely and reliably, the advantages such as leakage rate is low.
Detailed description of the invention
The present invention will be further described below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is the structure principle chart of the utility model single-seat adjusting valve spool.
Wherein；1. spool gland；2. spool；3. gasket；4. soft spool；5. sleeve；6. spring；7. valve rod；8. general stopper ring；
9. gland；10. balanced seal circle；11. clamp nut.
Specific embodiment
As shown in Figure 1, a kind of low leakage pilot-operated type single-seat adjusting valve spool, including it is spool gland 1, spool 2, gasket 3, soft
Spool 4, sleeve 5, spring 6, valve rod 7, general stopper ring 8, gland 9, balanced seal circle 10 and clamp nut 11, spool gland 1 and valve
It is to use to be threadedly coupled between core 2, gland 9 and spool 2；Gasket 3 is installed between sleeve 5 and spool 2；Gland 9 and sleeve 5
Between general stopper ring 8 be installed seal；During the work time, the valve rod 7 is moved up and down along its center line, in balanced seal circle
10 keep vertical, steady with the movement of valve rod 7 under the guiding role of valve rod shoulder 7b, is made.
As preferred embodiments of the present invention, the upper valve core gland 1 is machined with slot 1a and slot with gland 9 respectively
9a, the sleeve 5 are the structure that spiles, and have the gap of 0.2mm between the gland 9, clamp nut 11 and valve rod 7；It is described
The part of small valve core 7a is served as in 7 lower end of valve rod and valve rod shoulder 7b is machined with runner, for linking up valve core cavity and valve
Inlet channel, to reduce out-of-balance force suffered when small valve core 7a is opened.
The specific assembling process of the utility model is as follows: soft spool 4 being put into the corresponding position in 2 lower end of spool, is put into valve
Core gland 1 and being connected through a screw thread is tightened, and 1 lower edge of spool gland is machined with slot 1a, facilitates installation.Successively by gasket 3, sleeve 5,
Spring 6 and valve rod 7 are placed into the inner cavity of spool 2, and general stopper ring 8 is put into the corresponding slot in 9 lower end of gland, will be fixed later
There is the gland 9 of general stopper ring 8 to be put into the inner cavity of spool 2 and be connected through a screw thread to tighten.Slot 9a is machined at the outer rim of gland 9,
Facilitate installation.Finally, in annular groove that balanced seal circle 10 is placed into above gland 9 with clamp nut 11 and will tighten, in turn
Complete the assembling of spool.The utility model has the advantages of simple structure, processing cost is low, installation is easy, antihypertensive effect is obvious, regulating ratio
Greatly, existing single-seat adjusting valve spool can be substituted, to realize big regulating ratio.
Above-described embodiment is only limitted to illustrate the design of the utility model and technical characteristic, and its object is to allow the skill of this field
Art personnel understand the technical solution and embodiment of utility model, can not limit the protection scope of the utility model accordingly.It is all
It is equivalent replacement or equivalence changes according to made by technical solutions of the utility model, should all covers the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of low leakage pilot-operated type single-seat adjusting valve spool, which is characterized in that the regulation valve core includes spool gland
(1), spool (2), gasket (3), soft spool (4), sleeve (5), spring (6), valve rod (7), general stopper ring (8), gland (9), balance
Sealing ring (10) and clamp nut (11) are using spiral shell between spool gland (1) and spool (2), gland (9) and spool (2)
Line connection；Gasket (3) are installed between sleeve (5) and spool (2)；General stopper ring (8) are installed between gland (9) and sleeve (5)
Sealing；During the work time, the valve rod (7) moves up and down along its center line, in balanced seal circle (10) and valve rod shoulder
Under the guiding role of (7b), the movement of valve rod (7) is made to keep vertical, steady.
2. low leakage pilot-operated type single-seat adjusting valve spool according to claim 1, which is characterized in that the spool gland
(1) it is machined with spool gland slot (1a) and gland slot (9a) respectively with gland (9).
3. low leakage pilot-operated type single-seat adjusting valve spool according to claim 1, which is characterized in that the sleeve (5) is
Spile structure.
4. low leakage pilot-operated type single-seat adjusting valve spool according to claim 1, which is characterized in that the gland (9), pressure
There is the gap of 0.2mm between tight nut (11) and valve rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820296363.8U CN208859063U (en) | 2018-03-04 | 2018-03-04 | Low leakage pilot-operated type single-seat adjusting valve spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820296363.8U CN208859063U (en) | 2018-03-04 | 2018-03-04 | Low leakage pilot-operated type single-seat adjusting valve spool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208859063U true CN208859063U (en) | 2019-05-14 |
Family
ID=66410228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820296363.8U Active CN208859063U (en) | 2018-03-04 | 2018-03-04 | Low leakage pilot-operated type single-seat adjusting valve spool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208859063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317298A (en) * | 2018-03-04 | 2018-07-24 | 江苏江进泵业有限公司 | Low leakage pilot-operated type single-seat adjusting valve spool |
-
2018
- 2018-03-04 CN CN201820296363.8U patent/CN208859063U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317298A (en) * | 2018-03-04 | 2018-07-24 | 江苏江进泵业有限公司 | Low leakage pilot-operated type single-seat adjusting valve spool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Low leakage pilot operated single seat regulating valve spool Effective date of registration: 20220801 Granted publication date: 20190514 Pledgee: Jiangyan Jiangsu rural commercial bank Limited by Share Ltd. Pledgor: JIANGSU JIANGJIN PUMP CO.,LTD. Registration number: Y2022980011660 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230714 Granted publication date: 20190514 Pledgee: Jiangyan Jiangsu rural commercial bank Limited by Share Ltd. Pledgor: JIANGSU JIANGJIN PUMP CO.,LTD. Registration number: Y2022980011660 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Low leakage pilot single seat regulating valve core Effective date of registration: 20231114 Granted publication date: 20190514 Pledgee: Jiangyan Jiangsu rural commercial bank Limited by Share Ltd. Pledgor: JIANGSU JIANGJIN PUMP CO.,LTD. Registration number: Y2023980065292 |