CN1483954A - Elastic seat sealed plug valve - Google Patents
Elastic seat sealed plug valve Download PDFInfo
- Publication number
- CN1483954A CN1483954A CNA021370494A CN02137049A CN1483954A CN 1483954 A CN1483954 A CN 1483954A CN A021370494 A CNA021370494 A CN A021370494A CN 02137049 A CN02137049 A CN 02137049A CN 1483954 A CN1483954 A CN 1483954A
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- CN
- China
- Prior art keywords
- valve
- seat
- faucet body
- valve seat
- cambered surface
- 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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Abstract
The present invention relates to an elastic seat-sealed valve. It can effectively reduce friction force and frictional displacement produced when the valve is closed or opened, can reduce flow resistance coefficient of the valve, raise flow property of the valve and reduce working accuracy. Said invention is characterized by that its plug body and valve seat and adopt eccentric structure, in the valve closed position the sealing surface of the plug body and sealing surface of the valve seat are tightly combined together, at the same time of plug body rotation it can produce circumferential displacement and radial displacement, and can be quickly separated from valve seat. It can be used for treating industrial sewage, city sewage, sludge and medium with high solid content.
Description
Technical field
The present invention relates to valve, particularly a kind of elastic seat sealed plug valve
Background technique
Stopcock because of simple in structure, switch is rapid, fluid resistance is little, is to use a kind of valve the earliest.Constantly expand for the application that makes stopcock, its structure is also being updated.But, the faucet body and the valve base sealing arc surface center of existing stopcock overlap with the valve body gyration center, have only circumferential displacement between sealing surface, when unlatching or throttle down, between sealing surface the friction displacement bigger, and higher to the sealing surface requirement on machining accuracy, processing cost is higher.Because O-ring cambered surface center overlaps with the valve body gyration center, faucet body is in the valve flowing channel center, and the valve circulation area is reduced, and flow resistance coefficient increases.
Summary of the invention
In order to solve the existing in prior technology problem, the invention provides a kind of improved elastic seat sealed plug valve, when it rotates at faucet body, circumferential displacement and radial displacement are arranged, can effectively reduce friction displacement and valve flow resistance coefficient, strengthen the valve trafficability performance, and reduce requirement machining accuracy.
Elastic seat sealed plug valve of the present invention comprises compositions such as valve body, valve seat, faucet body, upper and lower axle sleeve, valve gap, Gland; Cock mold pressing encapsulate; The built-up welding of valve seat stainless steel, the surface is polished into minute surface, smooth surface through processing; The gyration center of faucet body overlaps with the gyration center of valve body, and faucet body O-ring cambered surface overlaps with valve base sealing arc surface geometrical center; This geometrical center all departs from the valve body gyration center, and the eccentric angle and the offset of valve body gyration center equate relatively.
Faucet body O-ring cambered surface of the present invention and valve base sealing arc surface equal and opposite in direction are fitted at valve closing position two arc surfaces.
Adopt after such structure, valve is when open position, and whole faucet body leaves passage, and the fluid full flow passes through, through-current capability maximum at this moment, flow resistance minimum.When at adjusted position, the part of faucet body has been blocked passage, and drainage area changes, thereby fluid is adjusted.Because eccentric motion, faucet body does not contact with valve seat, valve body when rotated, does not have wearing and tearing, no stuck phenomenon, and this characteristic quite is suitable for as autocontrol valve.When in closed position, faucet body contacts with valve seat, because eccentric motion, the specific contact pressure of faucet body and valve seat increases along with the increase of input torque, and sealing reliability further improves, and also be improved working life.
Description of drawings
Fig. 1 is a kind of elastic seat sealed plug valve structural representation of the present invention.
Fig. 2 is a generalized section of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, elastic seat sealed plug valve of the present invention comprises valve body 1, faucet body 3, Lower shaft sleeve 2, Upper shaft sleeve 4.Valve body 1 has the fluid access way that is interconnected, and faucet body is installed passage and valve seat 11.Faucet body 3 is cast as one, cock mold pressing encapsulate with valve shaft.Faucet body 3 combines with Lower shaft sleeve 2, Upper shaft sleeve 4, and the faucet body that is arranged in valve body 1 is installed passage.Faucet body 3 gyration center are positioned at the gyration center of valve body 1, and faucet body 3 O-ring cambered surfaces and valve seat 11 O-ring cambered surface geometrical centers all are offset the gyration center of valve body 1, and offset is e, and two O-ring cambered surface equal and opposite in directions, and when throttle down, sealing surface is fitted.When Open valve, faucet body 3 O-ring cambered surfaces have circumferential displacement and radial displacement, it is just separated with valve seat 11 O-ring cambered surfaces through short friction displacement, active force and reducing hard, be threaded to maximum position until faucet body 3, valve is opened fully, and faucet body 3 is positioned at valve body 1 one sides, and valve body 1 runner is unimpeded.When throttle down, faucet body 3 O-ring cambered surfaces move to valve seat 11 O-ring cambered surfaces, fit until sealing surface, adjust the gap that causes because of a variety of causes between two sealings automatically, guarantee the valve seal performance.O type circle 5 combines the sealing faucet body passage is installed with valve gap 6, and with bolt 7 that valve gap 6 is fixing with valve body 1.V-type circle 8 passes the mesopore that valve shaft is arranged at valve gap 6, and Gland 9 usefulness bolts 10 are fixed on the valve gap 6, and valve shaft is sealed.
Claims (2)
1. an elastic seat sealed plug valve comprises valve body, valve seat, faucet body, upper and lower axle sleeve, valve gap, Gland etc., cock mold pressing encapsulate; The built-up welding of valve seat stainless steel is characterized in that: faucet body (3) O-ring cambered surface geometrical center and valve seat (11) O-ring cambered surface geometrical center all depart from valve body (1) gyration center, and the eccentric angle and the offset of valve body (1) gyration center equate relatively.
2. elastic seat sealed plug valve as claimed in claim 1 is characterized in that: faucet body (3) O-ring cambered surface and valve seat (11) O-ring cambered surface equal and opposite in direction, in the valve closing position, two arc surfaces are fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021370494A CN1483954A (en) | 2002-09-19 | 2002-09-19 | Elastic seat sealed plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021370494A CN1483954A (en) | 2002-09-19 | 2002-09-19 | Elastic seat sealed plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1483954A true CN1483954A (en) | 2004-03-24 |
Family
ID=34146827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021370494A Pending CN1483954A (en) | 2002-09-19 | 2002-09-19 | Elastic seat sealed plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1483954A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011887A (en) * | 2010-12-10 | 2011-04-13 | 上海鸿润科技有限公司 | Valve and valve core subassembly thereof |
| CN104089037A (en) * | 2014-07-09 | 2014-10-08 | 胡文磊 | Sliding plate valve for dry-mixed mortar storage tank |
| CN107237912A (en) * | 2017-07-26 | 2017-10-10 | 荆门美中美阀门有限公司 | A kind of plug valve for being used to handle mud |
| CN107269906A (en) * | 2017-07-26 | 2017-10-20 | 荆门美中美阀门有限公司 | A kind of cock valve body for being used to handle mud |
| CN107532730A (en) * | 2015-04-27 | 2018-01-02 | 舍弗勒技术股份两合公司 | For adjusting the regulating valve of fluid stream |
-
2002
- 2002-09-19 CN CNA021370494A patent/CN1483954A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011887A (en) * | 2010-12-10 | 2011-04-13 | 上海鸿润科技有限公司 | Valve and valve core subassembly thereof |
| CN102011887B (en) * | 2010-12-10 | 2012-06-13 | 上海鸿润科技有限公司 | Valve and valve core subassembly thereof |
| WO2012075692A1 (en) * | 2010-12-10 | 2012-06-14 | 上海鸿润科技有限公司 | Valve and valve core assembly thereof |
| US9004448B2 (en) | 2010-12-10 | 2015-04-14 | Shanghai Hongyan Returnable Transit Packagings Co., Ltd. | Valve and valve cartridge assembly thereof |
| CN104089037A (en) * | 2014-07-09 | 2014-10-08 | 胡文磊 | Sliding plate valve for dry-mixed mortar storage tank |
| CN107532730A (en) * | 2015-04-27 | 2018-01-02 | 舍弗勒技术股份两合公司 | For adjusting the regulating valve of fluid stream |
| CN107532730B (en) * | 2015-04-27 | 2019-06-14 | 舍弗勒技术股份两合公司 | For adjusting the regulating valve of fluid stream |
| CN107237912A (en) * | 2017-07-26 | 2017-10-10 | 荆门美中美阀门有限公司 | A kind of plug valve for being used to handle mud |
| CN107269906A (en) * | 2017-07-26 | 2017-10-20 | 荆门美中美阀门有限公司 | A kind of cock valve body for being used to handle mud |
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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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |