CN109854771A - A kind of flange straight throttle valve - Google Patents
A kind of flange straight throttle valve Download PDFInfo
- Publication number
- CN109854771A CN109854771A CN201811536196.0A CN201811536196A CN109854771A CN 109854771 A CN109854771 A CN 109854771A CN 201811536196 A CN201811536196 A CN 201811536196A CN 109854771 A CN109854771 A CN 109854771A
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- China
- Prior art keywords
- valve
- spool
- valve body
- strainer
- valve rod
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- 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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- Details Of Valves (AREA)
- Sliding Valves (AREA)
- Lift Valve (AREA)
Abstract
The invention is related to a kind of flange straight throttle valve, including valve body, valve deck, valve rod and spool, valve deck connect and fixes with valve body, bonnet central is equipped with valve rod, the lower end of valve rod is equipped with spool, spool is located between the inlet and outlet of valve body, valve rod is flexibly connected with valve deck by screw thread, valve rod upper end is equipped with valve bonnet, and valve bonnet is set on valve rod, and strainer is equipped at valve body import, strainer is made of round ring flat-plate and strainer main body, strainer is located in the hole of valve body import, and the hole radial direction spool direction of valve body import is gradually reduced, and strainer is equipped with spacer ring close to the side of spool.Compared with the existing technology, strainer is provided at valve body import of the present invention, the upper end of valve rod has valve bonnet, impurity etc. is not easily accessible in the screw thread of valve rod, the contact surface of spool and body cavity is equipped with wear-resisting carburized layer, and long-time service is not also easy to wear, to improve the service life of flange straight throttle valve.Sealing effect of the present invention is good, long service life.
Description
Technical field
The present invention relates to throttle valve technology field, especially a kind of flange straight throttle valve.
Background technique
Existing flange straight throttle valve is generally made of valve body, valve deck, valve rod, handwheel and spool, and valve deck is close with valve body
Envelope is connected and is fixed, and bonnet central is equipped with valve rod, and the lower end of valve rod is equipped with spool, and spool is located at the inlet and outlet of valve body
Between, spool can be rotated with valve rod and be moved up and down, and formed and be tightly connected with body cavity.Currently, existing flange straight
The valve rod of throttle valve and the contact surface of valve deck are often exposed to outer, and entrance has been easy impurity in use process without strainer
Into in the screw thread of valve rod, the sealing of valve rod is influenced；On the other hand, the contact surface of spool and body cavity is also easy because making for a long time
With and wear, to influence the service life of flange straight throttle valve.
Summary of the invention
For the deficiency of the above existing straight way throttle valve, the object of the present invention is to provide filter is arranged at a kind of valve body import
Net, valve rod upper end have valve bonnet, the good flange straight throttle valve of long service life, sealing effect.
The purpose of the present invention is what is realized by using following technical scheme:
A kind of flange straight throttle valve, including valve body, valve deck, valve rod and spool, the valve deck connect and fix with valve body,
Bonnet central is equipped with valve rod, and the lower end of valve rod is equipped with spool, and spool is located between the inlet and outlet of valve body, the valve rod and valve
Lid is flexibly connected by screw thread, and valve rod upper end is equipped with valve bonnet, and valve bonnet is set on valve rod and can rotate with ovable valve stem, the valve
Body import is located at the side of valve body, and valve outlet is located at the other side of valve body, and valve body import is equipped with suction flange, and valve outlet is set
There is outlet(discharge) flange, is equipped with strainer at valve body import, the strainer is made of round ring flat-plate and strainer main body, the ring flat-plate and valve of strainer
Body is connected and is fixed.
As the preferred technical solution of the present invention, the strainer is located in the hole of valve body import, and the hole of valve body import is radial
Spool direction is gradually reduced, and the strainer is equipped with spacer ring close to the side of spool.
As the preferred technical solution of the present invention, the spool is set as conical structure, and spool can be with the rotation of valve rod
And move up and down, the sealing surface of spool and valve body is capable of forming the gap being gradually reduced, and is tightly connected until ultimately forming.
As the preferred technical solution of the present invention, the valve body import and valve outlet coaxial line.
As the preferred technical solution of the present invention, the surface of the spool is equipped with wear-resisting carburized layer.
As the preferred technical solution of the present invention, the lower end of the valve bonnet is close to the upper surface of valve deck.
The beneficial effects of the present invention are: compared with the existing technology, be provided with strainer at valve body import of the present invention, valve rod it is upper
End has valve bonnet, and impurity is not easily accessible in the screw thread of valve rod, and spool is set as conical, and the contact surface of spool and body cavity is equipped with
Wear-resisting carburized layer, long-time service is not also easy to wear, to improve the service life of flange straight throttle valve.The present invention seals effect
Fruit is good, long service life.
Detailed description of the invention
The invention will be further described with specific embodiment with reference to the accompanying drawing:
Fig. 1 is structural schematic diagram of the invention.
In figure: 1, valve body, 2, valve deck, 3, valve rod, 4, valve bonnet, 5, spool, 6, sealing surface, 7, strainer, 8, spacer ring, 9, import
Flange, 10, outlet(discharge) flange, 11, valve body import, 12, valve outlet.
Specific embodiment
As shown in Figure 1, a kind of flange straight throttle valve, including valve body 1, valve deck 2, valve rod 3 and spool 5, the valve deck 2 with
Valve body 1 is connected and is fixed, and 2 center of valve deck is equipped with valve rod 3, and the lower end of valve rod 3 is equipped with spool 5, and spool 5 is located at the import of valve body 1
Between 11 and outlet 12, the valve rod 3 is flexibly connected with valve deck 2 by screw thread, and 3 upper end of valve rod is equipped with valve bonnet 4, and valve bonnet 4 is arranged
It can rotate on valve rod 3 and with ovable valve stem 3, the valve body import 11 is located at the side of valve body 1, and valve outlet 12 is located at valve body
1 other side, valve body import 11 are equipped with suction flange 9, and valve outlet 12 is equipped with outlet(discharge) flange 10, is equipped with filter at valve body import 11
Net 7, strainer 7 are made of round ring flat-plate and strainer main body, and the ring flat-plate of strainer 7 connect and fixes with valve body 1.
In the present embodiment, the strainer 7 is located in the hole of valve body import 11,5 direction of hole radial direction spool of valve body import 11
It is gradually reduced, strainer 7 is equipped with spacer ring 8 close to the side of spool 5.The spool 5 is set as conical structure, and spool 5 can be with valve
The rotation of bar 3 and move up and down, the sealing surface 6 of spool 5 and valve body 1 is capable of forming the gap being gradually reduced, until ultimately forming
It is tightly connected.Valve body import 11 described in the present embodiment and 12 coaxial line of valve outlet；The surface of spool 5 is equipped with wear-resisting carburized layer；
The lower end of the valve bonnet 4 is close to the upper surface of valve deck 2.
Above-described embodiment is only limitted to illustrate design and technical characteristic of the invention, and its object is to allow those skilled in the art
Member understands the technical solution and embodiment of invention, can not limit the scope of the invention accordingly.It is all according to the present invention
Equivalent replacement or equivalence changes made by technical solution should all cover within the protection scope of claims of the present invention.
Claims (6)
1. a kind of flange straight throttle valve, including valve body, valve deck, valve rod and spool, the valve deck is connect with valve body and fixed, valve
Lid center is equipped with valve rod, and the lower end of valve rod is equipped with spool, and spool is located between the inlet and outlet of valve body, the valve rod and valve deck
It is flexibly connected by screw thread, valve rod upper end is equipped with valve bonnet, and valve bonnet is set on valve rod and can rotate with ovable valve stem, feature
Be: the valve body import is located at the side of valve body, and valve outlet is located at the other side of valve body, and valve body import is equipped with suction flange,
Valve outlet is equipped with outlet(discharge) flange, is equipped with strainer at valve body import, the strainer is made of round ring flat-plate and strainer main body, strainer
Ring flat-plate connect with valve body and fixed.
2. flange straight throttle valve according to claim 1, it is characterized in that: the strainer is located in the hole of valve body import,
The hole radial direction spool direction of valve body import is gradually reduced, and the strainer is equipped with spacer ring close to the side of spool.
3. flange straight throttle valve according to claim 1 or 2, it is characterized in that: the spool is set as conical structure, valve
Core can be moved up and down with the rotation of valve rod, and the sealing surface of spool and valve body is capable of forming the gap being gradually reduced, until most
End form is at sealed connection.
4. flange straight throttle valve according to claim 1, it is characterized in that: the valve body import and valve outlet are coaxial
Line.
5. flange straight throttle valve according to claim 1, it is characterized in that: the surface of the spool is equipped with wear-resisting carburizing
Layer.
6. flange straight throttle valve according to claim 1, it is characterized in that: upper table of the lower end of the valve bonnet close to valve deck
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536196.0A CN109854771A (en) | 2018-12-15 | 2018-12-15 | A kind of flange straight throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536196.0A CN109854771A (en) | 2018-12-15 | 2018-12-15 | A kind of flange straight throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109854771A true CN109854771A (en) | 2019-06-07 |
Family
ID=66891370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811536196.0A Pending CN109854771A (en) | 2018-12-15 | 2018-12-15 | A kind of flange straight throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109854771A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115523309A (en) * | 2022-10-25 | 2022-12-27 | 程超 | Novel self-filtering valve easy to clean |
-
2018
- 2018-12-15 CN CN201811536196.0A patent/CN109854771A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115523309A (en) * | 2022-10-25 | 2022-12-27 | 程超 | Novel self-filtering valve easy to clean |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190607 |