CN2442049Y - Accentric stop cock - Google Patents
Accentric stop cock Download PDFInfo
- Publication number
- CN2442049Y CN2442049Y CN 00249676 CN00249676U CN2442049Y CN 2442049 Y CN2442049 Y CN 2442049Y CN 00249676 CN00249676 CN 00249676 CN 00249676 U CN00249676 U CN 00249676U CN 2442049 Y CN2442049 Y CN 2442049Y
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- China
- Prior art keywords
- valve
- sealing
- utility
- model
- plug cock
- 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 discloses an eccentric plug cock valve composed of a valve body, a valve seat, a valve cover, a valve rod, a plug cock body, a transmission device, sealing member and an installing member. The utility model is mainly characterized in that the plug cock body and the valve rod have an eccentric distance in a direction which is perpendicular to the shaft line of a passage of the valve body. The circle of a circular arc of the sealing surface of the valve seat and the plug cock body are concentric. The utility model has the advantages of small opening and lcosing frictional force and torque, small abrasion of the sealing surface in a using process, reliable sealing performance and long service life, and is suitable for controlling an opening and closing device of fluid media on industrial pipelines.
Description
The utility model relates to a kind of valve, specifically about a kind of stopcock.
Stopcock when opening on the little fluid-transporting tubing that is widely used in every profession and trade of the flow resistance of medium.By the sealed nature branch, stopcock has hard sealing stopcock and soft seal stopcock.Hard sealing stopcock mainly is made of valve body, faucet body, valve gap, valve rod, Sealing and assembling set, and complete mechanical seals firmly between its faucet body and the valve body, and the operating mode that can be suitable for higher temperature is used.But the valve body and the area of contact between the faucet body that seal stopcock firmly are big, so its keying frictional force and moment of torsion are big, can only be suitable for the low pressure operating mode and use.And the wearing and tearing to sealing surface are very big in the opening-closing process, and its sealability meeting obviously descends after use a period of time, even leakage occurs, poor sealing performance, life-span weak point.The structure of soft seal stopcock is basic identical with hard sealing stopcock, and the surface pressure of different is its faucet body is shaped on nonmetal soft sealing material, and forms soft sealing structure between the sealing surface of seat of valve body.So, the soft seal stopcock also exist open and close frictional force and moment of torsion big, the wearing and tearing in the opening-closing process between the sealing surface are big, through using its sealability of back obviously to descend after a while, working life weak point problem.
The purpose of this utility model is the problem that exists at prior art, provides a kind of keying frictional force and moment of torsion little, and it is little to wear and tear between the sealing surface in the opening-closing process, the eccentric stopcock of good seal performance, long service life.
The technological scheme of realization the utility model purpose comprises the assembling set of valve body, valve seat, valve gap, valve rod, faucet body, transmission device and Sealing, perpendicular to the valve channel axial direction one throw of eccentric is being arranged between faucet body axle center and the valve rod axle center, the circular arc center of circle of sealing surface of seat is concentric with faucet body.
The utility model beneficial effect compared with prior art is to adopt the eccentric structure of faucet body and valve rod, the center of circle of sealing surface of seat circular arc and faucet body concentric design, make valve in closing closed procedure, when sealing surface of seat and faucet body sealing surface reach moment of sealing, two sealing surfaces just begin friction and compress, and in moment of valve opening, two sealing surfaces break away from immediately, it opens and closes frictional force and moment of torsion is little, the wearing and tearing between the sealing surface are little, good seal performance, long service life.
Fig. 1 is a structure sectional view of the present utility model.
Fig. 2 is the sectional view of A-A direction among the utility model Fig. 1.
Now describe the technical solution of the utility model in conjunction with the accompanying drawings and embodiments in detail.
Eccentric stopcock as shown in Figure 1, structure comprise valve body 1, valve seat 11, valve gap 7, valve rod 9, faucet body 3, transmission device and Sealing and assembling set.Faucet body 3 is an eccentric structure with valve rod 9, eccentric position on direction perpendicular to valve body 1 passage axis, eccentric distance e be 3 millimeters more suitable, and valve seat 11 sealing surfaces are circular arc, the center of circle of its circular arc is concentric with faucet body 3, as shown in Figure 2.Seal ring 4 and pad 6 are housed between valve gap 7 and the valve body 1, and valve rod 9 is positioned in valve body 1 and the valve gap 7 by Upper shaft sleeve 5 and Lower shaft sleeve 2.Between valve rod 9 and the valve gap 7 stuffing box packing 8 is housed, sealing filler 8 is press-fited by gland 10.Valve rod 9 upper ends are connected with transmission device.
Claims (1)
1, a kind of eccentric stopcock, comprise valve body (1), valve seat (11), valve gap (7), valve rod (9), faucet body (3), transmission device and Sealing and assembling set, it is characterized in that perpendicular to valve body (1) passage axis direction one throw of eccentric (e) being arranged between described faucet body (3) axle center and valve rod (9) axle center, the circular arc center of circle of valve seat (11) sealing surface is concentric with faucet body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00249676 CN2442049Y (en) | 2000-10-17 | 2000-10-17 | Accentric stop cock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00249676 CN2442049Y (en) | 2000-10-17 | 2000-10-17 | Accentric stop cock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2442049Y true CN2442049Y (en) | 2001-08-08 |
Family
ID=33608068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00249676 Expired - Fee Related CN2442049Y (en) | 2000-10-17 | 2000-10-17 | Accentric stop cock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2442049Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099059B (en) * | 2004-11-22 | 2012-08-08 | 萨特尔水控制公司Dba迪祖瑞克水系统 | Plug valve with improved flow capacity |
| CN108286614A (en) * | 2018-03-08 | 2018-07-17 | 河南省高山阀门有限公司 | A kind of low flow resistance long-life elastic packing eccentric stopcock |
-
2000
- 2000-10-17 CN CN 00249676 patent/CN2442049Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099059B (en) * | 2004-11-22 | 2012-08-08 | 萨特尔水控制公司Dba迪祖瑞克水系统 | Plug valve with improved flow capacity |
| CN108286614A (en) * | 2018-03-08 | 2018-07-17 | 河南省高山阀门有限公司 | A kind of low flow resistance long-life elastic packing eccentric stopcock |
| CN108286614B (en) * | 2018-03-08 | 2023-08-04 | 河南省高山阀门有限公司 | Low flow resistance long life elastic sealing eccentric plug 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 |