CN203670862U - Spherical crown valve - Google Patents
Spherical crown valve Download PDFInfo
- Publication number
- CN203670862U CN203670862U CN201320560291.0U CN201320560291U CN203670862U CN 203670862 U CN203670862 U CN 203670862U CN 201320560291 U CN201320560291 U CN 201320560291U CN 203670862 U CN203670862 U CN 203670862U
- Authority
- CN
- China
- Prior art keywords
- valve
- shaft
- center line
- spherical crown
- valve body
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract 3
- 239000003566 sealing material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Landscapes
- Lift Valve (AREA)
Abstract
A spherical crown valve is composed of a valve body, a valve shaft, a valve seat, a valve element, a shaft sleeve and the like. The valve element is fixedly connected with the valve shaft. The shaft sleeve is fixedly installed on a shaft hole of the valve body. An assembly unit of the valve element and the valve shaft is installed in the valve body through the shaft sleeve and can rotate to open and close the valve. The valve body is of a valve body structure similar to that of a butterfly valve, the valve seat is fixedly connected to the valve body, the valve seat is of an inclined conic structure relative to the circulation center line, and angle eccentricity exists between the valve body and the cross section of the valve seat. The center line of the valve shaft and the center line of a flow channel are free of eccentricity. The outer edge sealing face of the valve element is of a spherical crown shape and is a part of a sphere. Distance eccentricity exists between the geometric center of the spherical crown face and the center line of the valve shaft. Thus, when the valve is opened and closed, the spherical-crown-shaped sealing face of the valve element makes contact with the sealing face of the valve seat instantly or is separated from the sealing face of the valve seat instantly, abrasion between the sealing faces is extremely small, the sealing specific pressure is large, the spherical crown valve is suitable for a positive-negative two-way pressure working condition, and due to the fact that the whole spherical crown valve is of a whole metal hard sealing structure, the spherical crown valve is suitable for high-temperature working conditions.
Description
(1) technical field
The utility model relates to a kind of valve, and what particularly a kind of valve body that utilizes butterfly valve and spherical spool combined has fixed valve seat and can realize the valve of very stiff and demanding two way sealed.
(2) background technique
In the pipe network system of every profession and trade, the valve generally using at present has several principal items such as butterfly valve, ball valve, gate valve, stop valve, blocking and regulating for fluid medium.Wherein gate valve stop valve etc. is huge because of its structural volume, and operating difficulties, easily produces run, drip, leak phenomenon and be progressively eliminated.And butterfly valve is because of its low cost of manufacture, operate lightly, ball valve is because of its good seal performance, and the advantage such as high pressure resistant and easy to operate obtains using more and more widely.But be that butterfly valve or ball valve are all to use soft seal device, though and soft seal has the advantage of good sealing effect, in liquid medium, also have simultaneously easy swelling, aging, tear, the shortcoming such as distortion, non-refractory.Therefore it is short that all there is working life in butterfly valve and ball valve, is not suitable for the shortcomings such as worst hot case.
(3) model utility content
The purpose of this utility model is to provide a kind of spherical crown valve, solves blocking and adjusting problem of flowing medium in pipe network system, and solve flowing medium under Bidirectional pressure operating mode and worst hot case block and regulate the technical barrier problems such as control.
The utility model is achieved in that this valve is made up of valve body, valve shaft, valve seat, spool and axle sleeve etc.Wherein spool and valve shaft are fixedly connected, and axle sleeve is fixedly mounted on the axis hole of valve body; Spool and valve shaft assembly parts are arranged in valve body by axle sleeve, can rotate to realize the operation that opens and closes of valve.Valve seat is fixedly linked on valve body, forms sealing pair with spool, and valve seat is oblique cone body structure with respect to runner center line, and has angle bias with its cross section.Valve shaft center line and runner center line are without acceptance of persons; The outer fringe seal face of spool is spherical (being a part for spheroid), the geometrical center of spherical crown surface and valve shaft center line have distance eccentric, at the sealing surface of valve seat and the spherical sealing surface surface abrasive sealing materials of built-up welding different hardness respectively of spool.Such structural design, in the time opening and closing operation, spool rotates around shaft axis, because of eccentric center principle, the spherical crown surface of spool does not all have and anyly answers back to and disturb the valve seat beveled cone sealing surface on valve body, only in the time of sealing, and the tilted conical sealing surface formation linear sealing on spherical crown outer fringe seal face and valve seat on spool, therefore can produce great seal pressure, reach good sealing effect; In the time of reverse pressure-bearing, because valve shaft is with respect to runner center line without acceptance of persons, thereby can not produce eccentric torque and just not can produce deflection yet and move, so also can keep good sealability, again because sealing surface of seat and the valve core sealed cover of this valve all adopt build-up wear-resistant material to make, thereby the wearing and tearing of high temperature resistant resistance to erosion; Therefore this valve has solved blocking and regulating and have longer working life with respect to soft sealing valve of flowing medium under Bidirectional pressure operating mode and worst hot case.
(4) brief description of the drawings
Fig. 1 is structural representation of the present utility model;
1. valve shaft 2. spool 3. valve seat 4. valve bodies
(5) embodiment
Fig. 1 is the embodiment of spherical crown valve, valve body 4 adopts the valve body structure that is similar to butterfly valve, and valve seat 3 is fixedly mounted in valve body 4, and valve seat 3 is oblique cone body structure, valve seat 3 is angle bias with the cross section of the center line of valve body 4, and valve seat 3 also has angle bias with respect to the center line of valve body 4; Valve shaft 1 is arranged on valve body 4 by axle sleeve, can rotate to realize to open and close operation; The crossing coincidence of center line of the center line of valve shaft 1 and valve body 4 without acceptance of persons; The center line of valve shaft 1 and spool 2 are fixedly connected, and the sealing surface of spool 2 is spherical, and the center line of the geometrical center A of spherical sealing surface and valve shaft 1 has distance eccentric; The sealing surface of the sealing surface of valve seat 3 and spool 2 is the abrasive sealing materials of built-up welding different hardness respectively.Like this in the time closing valve operation, rotary valve shaft 1 is with movable valve plug 2 close to valve seat 3, based on eccentric center principle, while arriving sealing station place, the oblique cone bodily form sealing surface of the spherical sealing surface of spool 2 and valve seat 2 is instantaneous contacts and forms linear sealing, thereby produce great seal pressure, reach good sealing effect; In the time opening valve operation, only need counterrotating valve shaft 1 can rotate to the direction that departs from valve seat 3 with movable valve plug 2, based on eccentric center principle, the spherical sealing surface of spool 2 and instantaneous separation of the sealing surface of valve seat 2 energy; Therefore no matter open and close operation, between its spool 2 and the sealing surface of valve seat 3, in closed and separation process, only have small skidding distance, its wearing and tearing are also very little, therefore can guarantee long-term use without leaking, thereby effectively extend the working life of valve.
Claims (3)
1. a spherical crown valve, is characterized in that: this valve is made up of valve body, spool, valve shaft, valve seat and axle sleeve; Spool and valve shaft are fixedly connected; Axle sleeve is fixedly mounted on the axis hole of valve body; The assembly parts of spool and valve shaft is arranged in valve body by axle sleeve; Valve seat is fixedly linked on valve body, the antifriction metal (AFM) sealing material of difference built-up welding different hardness on the sealing surface of spool and the sealing surface of valve seat; Valve seat is beveled cone structure with respect to runner center line, and has angle bias with its cross section; The center line of valve shaft and runner center line are without acceptance of persons; The geometrical center of the outer fringe seal face of spool and valve shaft center line have distance eccentric, and have angle bias with valve body center line.
2. spherical crown valve according to claim 1, is characterized in that: the outer fringe seal face of spool is spherical.
3. spherical crown valve according to claim 1, is characterized in that: between the sealing surface of spool and the sealing surface of valve seat, be very stiff and demanding metal hard-sealing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560291.0U CN203670862U (en) | 2013-09-11 | 2013-09-11 | Spherical crown valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560291.0U CN203670862U (en) | 2013-09-11 | 2013-09-11 | Spherical crown valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670862U true CN203670862U (en) | 2014-06-25 |
Family
ID=50967159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320560291.0U Expired - Fee Related CN203670862U (en) | 2013-09-11 | 2013-09-11 | Spherical crown valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757407A (en) * | 2021-08-10 | 2021-12-07 | 浙江卡麦隆阀门有限公司 | Five-eccentric hard seal welded ball valve |
-
2013
- 2013-09-11 CN CN201320560291.0U patent/CN203670862U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757407A (en) * | 2021-08-10 | 2021-12-07 | 浙江卡麦隆阀门有限公司 | Five-eccentric hard seal welded ball valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204628570U (en) | Multi-layer sealed Multifunctional stop valve | |
| CN204459195U (en) | The hard seal butterfly valve that a kind of Double-clack is board-like | |
| CN203670862U (en) | Spherical crown valve | |
| CN201621307U (en) | Non-rising stem butterfly knife gate valve | |
| CN202691091U (en) | Butterfly valve plate based on reduction of cavitation erosion damage | |
| CN205654921U (en) | It is overcritical with sealed ring type butt clamp check valve of two lamella butterflies of high temperature high pressure | |
| CN102840344B (en) | Valve plate of butterfly valve based on reduction of cavitation damage | |
| CN204493747U (en) | A kind of bidirectional sealed butterfly valve | |
| CN203223574U (en) | Valve | |
| CN205689793U (en) | A kind of heavy caliber double containment function ball valve | |
| CN206017852U (en) | A kind of flow-controllable type ball valve | |
| CN201177058Y (en) | Square hole ball-valve | |
| CN204533573U (en) | A kind of two-way sphere metallic sealing butterfly valve | |
| CN205446795U (en) | Ball valve structure that metal is sealed firmly | |
| CN205036870U (en) | Tri -eccentric multilayer sealing butterfly valve | |
| CN203488723U (en) | Fluid stop valve | |
| CN207906486U (en) | Hard seal ball valve | |
| CN108758020B (en) | Double-pass cock valve | |
| CN207999518U (en) | A kind of natural gas valve with gas leakage automatic protection | |
| CN201705986U (en) | Eccentric and concentric combined sealing valve seat | |
| CN204533555U (en) | A kind of valve | |
| CN204153232U (en) | Rock gas Swing check valve | |
| CN202834171U (en) | Mold pressing semi-coated rubber plug valve spool | |
| CN204755948U (en) | Portable metal of disk seat butterfly valve sealed firmly | |
| CN204201133U (en) | V-type mouth regulation gate valve |
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: 20140625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |