CN105114643B - It is a kind of from centering spool - Google Patents
It is a kind of from centering spool Download PDFInfo
- Publication number
- CN105114643B CN105114643B CN201510587529.2A CN201510587529A CN105114643B CN 105114643 B CN105114643 B CN 105114643B CN 201510587529 A CN201510587529 A CN 201510587529A CN 105114643 B CN105114643 B CN 105114643B
- Authority
- CN
- China
- Prior art keywords
- sphere
- valve core
- spool
- rod
- head
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
- F16K1/482—Attaching valve members to screw-spindles with a collar on the spindle or a groove in the spindle, by which a fixing element is supported, the spindle reaching into the valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/14—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
Abstract
The present invention relates to one kind from centering spool.Including the valve core rod (5) and sphere core (1) being connected, rod head end sphere and backside sphere are respectively equipped with the valve core head (3) of the valve core rod (5), its main feature is that：One piece of sphere top plate (2) is installed with the spool groove at the sphere core (1) back side, and the rod head end sphere of the valve core head (3) gos deep into the spool groove, and the top of the rod head end sphere of the valve core head (3) contacts with foregoing sphere top plate (2) and leaves gap between its side and spool groove.Test proves that, after three sphere contact types structure using the present invention, valve core rod can not only be rotated with sphere top plate with relative circumferential, and spool and valve seat can also be realized the transverse shifting of valve core head by the thrust of executing agency when contacting, and greatly add the adjustable extent of valve core head.
Description
Technical field
The present invention relates to one kind from centering spool.
Background technology
The larger diameter center pipe passed through for hot process gases is equipped with fire tube waste heat boiler, in central tube exit
Equipped with the valve for adjusting flow, since outlet temperature is often very high, butterfly valve is easily stuck, has used carry sphere in recent years
The regulating valve of spool, but for most of regulating valves being horizontally mounted, diameter and the excessive valve core head of quality can cause height
The valve rod to work under warm environment easily deforms, and deviates spool and sealing surface of seat, it is difficult to meets that regulating valve exports central tube
The control of process gas flow and adjustment effect, can not accurately control hot process gases outlet temperature, therefore can cause to grow
The regulating valve service life of phase work in high temperature environments greatly shortens, and in order to meet to produce needs, often has to replace too early
Valve is changed, it is expensive since such valve material is special, so the operating cost of equipment can be greatly increased.
The content of the invention
The object of the present invention is to provide one kind from centering spool, can make up because valve rod is in high temperature environments to a certain degree
On deformation caused by spool and valve seat the defects of cannot aligning, so as to extend the service life of valve.
One kind is from centering spool, including the valve core rod and sphere core being connected, on the valve core head of the valve core rod respectively
Equipped with rod head end sphere and backside sphere, it is particular in that：The fixed peace in the spool groove at the sphere core back side
Equipped with one piece of sphere top plate, and the rod head end sphere of the valve core head gos deep into the spool groove, and the head of the valve core head
Hold sphere top and foregoing sphere top plate contact and leave gap between its side and spool groove.
Spool pressing plate is wherein further included, which is fixedly mounted on sphere core, and the spool pressing plate is interior
The backside sphere-contact of wall and valve core head is so that valve core rod and sphere core are movably connected.
With being arc-shaped at the backside sphere-contact of valve core head wherein on the inner wall of spool pressing plate.
Test proves that after three sphere contact types structure using the present invention, valve core rod and sphere top plate not only can be with
Relative circumferential rotates, and spool and valve seat can also be realized the transverse shifting of valve core head by the thrust of executing agency when contacting, significantly
The adjustable extent for adding valve core head.In addition valve core rod leaves with valve core head groove and adjusts gap, can greatly meet
The adjusting free degree of valve core head.It is using the present invention a kind of from centering spool, have very strong from centering ability, can be very good
The problem of overcoming valve rod Zona transformans comes to a certain extent, the service life of valve is improved.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the present invention.
Embodiment
As shown in Figure 1, the present invention relates to one kind from centering spool, including the valve core rod 5 (valve rod) and spherical valve being connected
Core 1, rod head end sphere and backside sphere are respectively equipped with the valve core head 3 of the valve core rod 5, at 1 back side of sphere core
One piece of sphere top plate 2 is installed with spool groove, and the rod head end sphere of the valve core head 3 gos deep into the spool groove,
And the top of the rod head end sphere of the valve core head 3 contacts with foregoing sphere top plate 2 and is stayed between its side and spool groove
There is gap.
Spool pressing plate 4 is wherein further included, which is fixedly mounted on sphere core 1, and the spool pressing plate 4
Inner wall and valve core head 3 backside sphere-contact so as to which valve core rod 5 and sphere core 1 are movably connected, and spool
With being arc-shaped at the backside sphere-contact of valve core head 3 on the inner wall of pressing plate 4.
Embodiment 1：
For three spheres as shown in Figure 1 for the present invention from centering spool, sphere core 1 does loss of weight design, matches somebody with somebody in spool groove
One piece of sphere top plate 2 has been attached together, has been left between valve core rod 5 and spool groove and adjusts the gap, (rod head end of valve core head 3 of valve core rod 5
Sphere (i.e. lower face) is contacted with sphere top plate 2, it can be achieved that circular-rotation and tiny transverse movement are adjusted, and backside sphere is (on i.e.
End face) with 4 inner wall of spool pressing plate on taper-face contact, designed on spool pressing plate 4 it is fluted, with 3 boss of valve core head coordinate pacify
Dress, with 4 position of hexagon-headed bolt fixed spool pressing plate.
During installation, first the hexagon-headed bolt on spool pressing plate 4 is unclamped, after valve core head 3 and valve seat centering, by spool pressure
Plate 4 is installed on 3 boss of valve core head, after making 5 capturing position of valve core rod, then turret head screwing up stud is fixed.
Connected in the present invention between valve core head 3 and valve core rod 5 using live body, spool does loss of weight design, is provided with valve core head 3
Compared with deep groove, with block sphere top plate 2 is unified in groove, the head (valve core head 3) of valve core rod 5 does double spherical designs, and can put in
In 3 groove of valve core head, left between head and groove and adjust gap, conical valve is utilized between valve core head 3 and double spherical valve core bars 5
Core pressing plate 4 is fixed.With suffering from one's own actions orthofunction with valve seat, it is possible to achieve the regulative mode of circular-rotation and transverse shifting, it is living
Dynamic space is big, and centering ability is strong, solves the core print seat skew problem caused by valve core rod 5 deforms in high temperature environments, mitigates valve
Mind weight, prevents 5 premature deformations of valve core rod, improves valve service life.
Claims (1)
1. one kind is from centering spool, including the valve core rod being connected（5）And sphere core（1）, in the valve core rod（5）Valve core head
（3）On be respectively equipped with rod head end sphere and backside sphere, it is characterised in that：In the sphere core（1）The spool groove at the back side
Inside it is installed with one piece of sphere top plate（2）, and the valve core head（3）Rod head end sphere go deep into the spool groove, and
The valve core head（3）Rod head end sphere top and foregoing sphere top plate（2）Contact and stayed between its side and spool groove
There is gap；
Wherein further include spool pressing plate（4）, the spool pressing plate（4）It is fixedly mounted on sphere core（1）On, and the spool pressing plate
（4）Inner wall and valve core head（3）Backside sphere-contact so as to by valve core rod（5）And sphere core（1）It is movably connected；
Wherein spool pressing plate（4）Inner wall on valve core head（3）Backside sphere-contact at be arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510587529.2A CN105114643B (en) | 2015-09-16 | 2015-09-16 | It is a kind of from centering spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510587529.2A CN105114643B (en) | 2015-09-16 | 2015-09-16 | It is a kind of from centering spool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105114643A CN105114643A (en) | 2015-12-02 |
| CN105114643B true CN105114643B (en) | 2018-05-15 |
Family
ID=54662697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510587529.2A Expired - Fee Related CN105114643B (en) | 2015-09-16 | 2015-09-16 | It is a kind of from centering spool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105114643B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6997602B2 (en) * | 2017-11-28 | 2022-01-17 | アズビル株式会社 | Pin fastening structure between valve shaft and valve body |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US372641A (en) * | 1887-11-01 | Valve | ||
| US1293976A (en) * | 1916-06-19 | 1919-02-11 | Borden S Condensed Milk Company | Valve. |
| JP2005321061A (en) * | 2004-05-11 | 2005-11-17 | Kubota Corp | Valve for high temperature |
| CN102937190A (en) * | 2012-11-16 | 2013-02-20 | 无锡智能自控工程股份有限公司 | Ultra-large-diameter material switch angle valve |
| CN103899768A (en) * | 2014-03-05 | 2014-07-02 | 大丰市奥凯流体机械有限公司 | Pressure self-sealing stop valve |
| CN103899767A (en) * | 2014-03-05 | 2014-07-02 | 大丰市奥凯流体机械有限公司 | Pressure self-sealing stop valve |
| CN205715710U (en) * | 2015-09-16 | 2016-11-23 | 吴忠仪表有限责任公司 | Waste heat boiler with three spheres from centering spool |
-
2015
- 2015-09-16 CN CN201510587529.2A patent/CN105114643B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105114643A (en) | 2015-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20210916 |