CN2361915Y - Conical miter cutting metal hard sealing butterfly valve - Google Patents
Conical miter cutting metal hard sealing butterfly valve Download PDFInfo
- Publication number
- CN2361915Y CN2361915Y CN 99207337 CN99207337U CN2361915Y CN 2361915 Y CN2361915 Y CN 2361915Y CN 99207337 CN99207337 CN 99207337 CN 99207337 U CN99207337 U CN 99207337U CN 2361915 Y CN2361915 Y CN 2361915Y
- Authority
- CN
- China
- Prior art keywords
- valve
- valve plate
- sealing
- circular cone
- 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
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Abstract
The utility model relates to a hard sealing disc valve for conical bias-cutting metals, which is characterized in that the a valve plate sealing pad, a valve plate sealing ring and a valve plate compression ring are arranged on the sealing surface of a conical bias-cutting surface made on a valve plate by a locating pin, and a screw is arranged by the valve plate and the valve plate compression ring; a valve body corresponding to the sealing surface of the valve plate is welded with a valve body sealing ring, and the contact surface of the valve body sealing ring and the sealing surface of the valve plate is correspondingly made into a conical bias-cutting surface. The utility model has the advantage that when the valve plate is opened and closed, no relative friction and no medium leakage exist between two sealing surfaces of the valve body and the valve plate, a sealing pair can be disengaged and contacted simultaneously, the torque is small, and the sealing properties are favorable.
Description
The utility model belongs to metal hard-sealing butterfly valve, particularly relates to a kind of circular cone metal hard-sealing butterfly valve of cutting sth. askew.
Known metal hard-sealing butterfly valve, because on its sealing surface of valve plate and be installed between the metal o-ring on the valve body and have interference, make metal o-ring produce resiliently deformable when therefore valve plate is closed, reach sealing effect, but need very big expansive force owing in seal process, making metal o-ring produce resiliently deformable, therefore when valve plate is opened and is closed, moment of torsion is very big, again since between valve plate and the seal ring when valve plate is opened and is closed, relative friction is arranged, so the butterfly valve of this structure in use valve plate weares and teares easily, cause the dielectric leakage amount to increase gradually, and influence the complete machine performance.
The purpose of this utility model be to overcome the deficiency in the known technology and provide a kind of not only in use valve plate do not wear and tear, but also reach the reliable and complete machine Performance torque circular cone little and zero leakage of the sealing metal hard-sealing butterfly valve of cutting sth. askew.
The purpose of this utility model is achieved in that
The sealing surface of the valve plate in the utility model is made the circular cone scarf, valve plate sealing gasket and valve plate seal ring and valve plate pressure ring are installed respectively on its circular cone scarf, by valve plate sealing gasket and valve plate seal ring and valve plate pressure ring installing and locating pin, by valve plate and valve plate pressure ring mounting screw also, the valve seals that is welded on the valve body between valve body and the corresponding sealing surface of valve plate is with the also corresponding circular cone scarf of making of the contacted surface of contact of sealing surface of the circular cone scarf of sealing circle and valve plate.
Structure formation at the valve plate seal ring described in the utility model is the attached composite soft body of Thin Stainless Steel plate holder material.
The utility model has following accompanying drawing:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structure for amplifying schematic representation of valve plate seal ring among Fig. 1.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:
Because the sealing surface between valve plate and the valve body has adopted the circular cone structure of cutting sth. askew, therefore when valve plate was opened, the valve plate seal ring can be thrown off fully in moment and valve seals; When valve plate was closed, valve plate seal ring and valve seals reached sealing in the mode of pressing, so not only helped sealing but also can prevent that valve plate from closing the position.
Advantage and the good effect that the utlity model has be since in the utility model with valve Two sealing surfaces of plate and valve body are all made the cone inclined tangent plane, and add respectively valve plate on valve plate Sealing gasket, valve plate sealing ring, valve plate pressure ring adopt the three-dimensional computations analysis simultaneously in design, Make its movement locus reach no jam, and make sealing pair have simultaneously disengaging, the simultaneously spy of contact Therefore point greatly reduces the operation moment of torsion, has increased the service life of valve, no dielectric leakage , sealing property is improved greatly.
Claims (2)
1. circular cone metal hard-sealing butterfly valve of cutting sth. askew, mainly be by valve rod is installed in valve body, pass valve plate valve rod is installed in valve body, valve plate and valve rod install with taper pin, by the upper end of valve rod in valve body filler and Gland are installed respectively, erection support on the valve body of valve rod upper end, in the valve body of valve rod lower end, axle sleeve is installed, bottom end seal pad and bottom cover are installed respectively on the valve body of valve rod lower end surface to be formed, it is characterized in that: the sealing surface of valve plate is made the circular cone scarf, valve plate sealing gasket and valve plate seal ring and valve plate pressure ring are installed respectively on its circular cone scarf, by valve plate sealing gasket and valve plate seal ring and valve plate pressure ring installing and locating pin, by valve plate and valve plate pressure ring mounting screw also, the valve seals that is welded on the valve body between valve body and the corresponding sealing surface of valve plate is with the also corresponding circular cone scarf of making of the contacted surface of contact of sealing surface of the circular cone scarf of sealing circle and valve plate.
2。The circular cone according to claim 1 metal hard-sealing butterfly valve of cutting sth. askew, it is characterized in that: valve plate sealing gasket and valve plate seal ring and valve plate pressure ring are installed respectively on the circular cone scarf of valve plate, the structure formation of valve plate seal ring wherein is the attached composite soft body of Thin Stainless Steel plate holder material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99207337 CN2361915Y (en) | 1999-03-30 | 1999-03-30 | Conical miter cutting metal hard sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99207337 CN2361915Y (en) | 1999-03-30 | 1999-03-30 | Conical miter cutting metal hard sealing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2361915Y true CN2361915Y (en) | 2000-02-02 |
Family
ID=34001357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99207337 Expired - Fee Related CN2361915Y (en) | 1999-03-30 | 1999-03-30 | Conical miter cutting metal hard sealing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2361915Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1309977C (en) * | 2001-07-04 | 2007-04-11 | 奥村工程株式会社 | Butterfly valve |
| CN102748485A (en) * | 2012-06-30 | 2012-10-24 | 常州市汇丰船舶附件制造有限公司 | Seal butterfly valve with detachable ring |
| CN106051179A (en) * | 2016-07-29 | 2016-10-26 | 上海凯工阀门有限公司 | High-performance metal hard sealing butterfly valve |
-
1999
- 1999-03-30 CN CN 99207337 patent/CN2361915Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1309977C (en) * | 2001-07-04 | 2007-04-11 | 奥村工程株式会社 | Butterfly valve |
| CN102748485A (en) * | 2012-06-30 | 2012-10-24 | 常州市汇丰船舶附件制造有限公司 | Seal butterfly valve with detachable ring |
| CN102748485B (en) * | 2012-06-30 | 2017-08-25 | 常州市汇丰船舶附件制造有限公司 | Removable ring sealed butterfly valve |
| CN106051179A (en) * | 2016-07-29 | 2016-10-26 | 上海凯工阀门有限公司 | High-performance metal hard sealing butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |