CN2244650Y - Bellow spindle sealing valve - Google Patents
Bellow spindle sealing valve Download PDFInfo
- Publication number
- CN2244650Y CN2244650Y CN 95227939 CN95227939U CN2244650Y CN 2244650 Y CN2244650 Y CN 2244650Y CN 95227939 CN95227939 CN 95227939 CN 95227939 U CN95227939 U CN 95227939U CN 2244650 Y CN2244650 Y CN 2244650Y
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- Prior art keywords
- valve
- valve body
- bellows
- utility
- model
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- Expired - Fee Related
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Abstract
The utility model relates to a bellows spindle sealing valve, which comprises a valve body, a valve cap on the upper end of the valve body, a valve rod shaft extending into the valve body via a central threaded hole of the valve cap, a handle installed on the upper end of the valve rod shaft, the valve body arranged on the lower end of the valve rod shaft, and a bellows which is arranged between the valve cap and the valve lead body and is sheathed on the valve rod shaft. In the utility model, because a sealing member does not contact a rotating rod, the leakage problem caused by the wear out failure of the sealing member can be solved; moreover, because relative rotating movement of the valve body and a valve port does not exist at the time of the opening and the closure, the abrasion caused by the contact of the valve body and the valve port can be reduced, and the closure of the valve can be more reliable. The sealing structure without stuffing can avoid the corrosion and the rotating resistance caused by the stuffing, the service life of the utility model can be extended, and the flexibility of the utility model can be improved thereby.
Description
The utility model relates to a kind of bellows shaft sealing valve, mainly is in the architecture advances of being done aspect the shaft sealing to existing similar valve.
At present, the general valve of Shi Yonging, packing seal is adopted in the sealing of its stem shaft mostly, because stem shaft and frequent the relatively rotating of valve cover chamber, the sealer of filling is is very easily worn and torn, the problems such as run, drip, leak that occur because of seal failure that band is adopted, becoming influences the product main cause in working life.
The purpose of this utility model is at above-mentioned the deficiencies in the prior art part, and a kind of packless bellows shaft sealing valve is provided, the damage of product problem that lost efficacy and bring to solve because because of packing seal.
The technological scheme that realizes above-mentioned purpose is: a kind of bellows shaft sealing valve, comprise valve body, the valve gap of valve body upper end, stretch into stem shaft in the valve body through the valve gap screwed hole of centre, the valve body of handle that install the stem shaft upper end and lower end configuration is connected with one as the bellows of isolating stem shaft and fed sheet of a media between its valve gap and the valve body.
The utility model is compared with existing similar valve has following advantage:
1, because Sealing is not coupling with dwang and touches, solved the run, drip, leak problem that lost efficacy and bring because of sealing part abrasion, improved the working life of product, and made the designs simplification of valve.
2, do not have relative rotary motion in the process because valve body and valve port open and close at valve, reduced the contact wear of the two, make closing of valve more reliable.
3, there are not corrosion and the rotational resistance of stuffing to stem shaft, the working life and the flexibility that have improved stem shaft.
Accompanying drawing is the utility model structure master sectional view.
Embodiment is further described the utility model below in conjunction with accompanying drawing: provide as accompanying drawing, it has a valve body 1, and the upper end of this valve body is provided with valve gap 2.Valve gap 2 centers are provided with tapped hole, stem shaft 3 middle parts be threaded stem and with valve gap on screw-thread fit.The upper end of axle 3 is equipped with handle with sleeve 4, and the lower end is provided with a cylindric plush copper body.Bellows 5 is placed in outside the stem shaft 3, and the upper end is a flange, and this flange centre places between valve body and the valve gap mating face.The lower end of bellows 5 is a valve body 7, establishes the counterbore of band inner spring draw-in groove on this valve body, and the plush copper cylinder of stem shaft 3 lower ends is disposed in the counterbore and through spring clip 6 and holds.
The bellows shaft sealing body of this valve can adopt upper and lower weldering flange and the valve body of adding of metal bellows, also can adopt heat resisting and pressure resisting rubber global formation.The bellows that accompanying drawing embodiment provides is isometrical straight tube.In the specific implementation, also can adopt waney taper type bellows, to increase valve body axle and the stability of valve body in the process of opening and closing.
Claims (3)
1, bellows shaft sealing valve, comprise valve body (1), the valve gap (2) of valve body upper end, stretch into stem shaft (3) in the valve body through the valve gap screwed hole of centre, the valve body (7) of handle (4) that install axle (3) upper end and lower end configuration is characterized in that: be connected a bellows (5) between valve gap (2) and valve body (7).
2, bellows shaft sealing valve according to claim 1 is characterized in that: last termination one flange of bellows (5), this flange is sandwiched between valve body and the valve gap mating face.
3, bellows shaft sealing valve according to claim 1 and 2 is characterized in that: valve body (7) is provided with the counterbore of band inner spring draw-in groove, and stem shaft (3) bottom is provided with convex column, and this convex column is disposed in the counterbore and holds through spring clip (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95227939 CN2244650Y (en) | 1995-12-06 | 1995-12-06 | Bellow spindle sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95227939 CN2244650Y (en) | 1995-12-06 | 1995-12-06 | Bellow spindle sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2244650Y true CN2244650Y (en) | 1997-01-08 |
Family
ID=33873655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95227939 Expired - Fee Related CN2244650Y (en) | 1995-12-06 | 1995-12-06 | Bellow spindle sealing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2244650Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782152A (en) * | 2010-03-26 | 2010-07-21 | 温州市尔力特阀门有限公司 | Heat-resisting bellows diaphragm valve |
| CN102560621A (en) * | 2011-12-28 | 2012-07-11 | 苏州优晶光电科技有限公司 | Impurity removal device |
-
1995
- 1995-12-06 CN CN 95227939 patent/CN2244650Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782152A (en) * | 2010-03-26 | 2010-07-21 | 温州市尔力特阀门有限公司 | Heat-resisting bellows diaphragm valve |
| CN102560621A (en) * | 2011-12-28 | 2012-07-11 | 苏州优晶光电科技有限公司 | Impurity removal device |
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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 |