CN204253926U - Water turbine water stop ring sealing configuration - Google Patents
Water turbine water stop ring sealing configuration Download PDFInfo
- Publication number
- CN204253926U CN204253926U CN201420675881.2U CN201420675881U CN204253926U CN 204253926 U CN204253926 U CN 204253926U CN 201420675881 U CN201420675881 U CN 201420675881U CN 204253926 U CN204253926 U CN 204253926U
- Authority
- CN
- China
- Prior art keywords
- ring
- water stop
- end cap
- stop ring
- 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 water turbine water stop ring sealing configuration, can ensure, when not taken apart by water turbine or valve not being pulled down from pipeline, to keep in repair the water stop ring of valve and change.Owing to not being fixed by links such as bolts between water stop ring and valve body and end cap, but be fixed sealing by nested mode.When water stop ring damages, ball valve slip joint and end cap can be pulled down successively, then taking-up that water stop ring is slided in valve body.By water stop ring reparation or after changing, then water stop ring is filled in valve body, cover end cap and compress, finally load ball valve slip joint.Whole unloading process does not need to disintegrate to water turbine or valve, is very easy to the maintenance maintenance of valve.Moreover because water stop ring divide into valve body ring, valve pocket ring and end cap ring three parts, and valve pocket ring and other two parts form gradient, and valve body ring is inserted in valve body, end cap ring is inserted in end cap, drastically increases sealability, extend working life.
Description
Technical field
The utility model relates to a kind of sealing configuration of water turbine, is specifically related to water turbine water stop ring sealing configuration.
Background technique
Along with the development of hydroelectric machine industry, the various aspects of performance of water turbine is constantly optimized, and particularly at seal aspect, various sealing means constantly improves and is used widely.But when sediment charge is larger, majority can produce jam phenomenon, thus causes water stop ring to lose seal action.After jam, need water turbine integral demounting to change during maintenance, working strength is larger.And general sealing configuration more complicated, also need to be equipped with special compressed air system, such relating to is unfavorable for the saving of cost.
Model utility content
The purpose of this utility model is to provide a kind of water turbine water stop ring sealing configuration, has simple sealing configuration, and convenient maintenance, can change without the need to integral demounting water turbine.
For achieving the above object, the technical solution of the utility model is: water turbine water stop ring sealing configuration, comprise valve body and end cap, the cavity installing water stop ring is provided with between described valve body and end cap interior edge face, described water stop ring comprises three parts successively, valve body ring, valve pocket ring and end cap ring, described valve body ring is identical with the external diameter of end cap ring, and the external diameter of described valve pocket ring is greater than the external diameter of valve body ring and end cap ring; Described valve interior wall is stepped shaft, and the stepped shaft inwall of described valve body is corresponding with the mounting point of the valve body ring on water stop ring and valve pocket ring, and described end cap inwall is corresponding with the mounting point of the end cap ring on water stop ring, and described end cap exterior edge face is connected with ball valve slip joint.
When adopting technique scheme, sealing configuration of the present utility model can ensure, when not taken apart by water turbine or valve not being pulled down from pipeline, to keep in repair the water stop ring of valve and change.Owing to not being fixed by links such as bolts between water stop ring and valve body and end cap, but be fixed sealing by nested mode.When water stop ring damages, ball valve slip joint and end cap can be pulled down successively, then taking-up that water stop ring is slided in valve body.By water stop ring reparation or after changing, then water stop ring is filled in valve body, cover end cap and compress, finally load ball valve slip joint.Whole unloading process does not need to disintegrate to water turbine or valve, is very easy to the maintenance maintenance of valve.Moreover because water stop ring divide into valve body ring, valve pocket ring and end cap ring three parts, and valve pocket ring and other two parts form gradient, and valve body ring is inserted in valve body, end cap ring is inserted in end cap, drastically increases sealability, extend working life.
Further, described end cap is provided with the O-ring seals sealed with ball valve slip joint.
Further, described ball valve slip joint is provided with the projection inserting end cap inwall.Above-mentioned design directly can apply impacting force to the end of water stop ring by ball valve slip joint, improves sealability.
Further, on described water stop ring, circumference offers seal groove.When water stop ring is subject to axial pressing force, seal groove can play the filling effect of distortion and compensation sealing, improves sealability.
Further, described valve body ring is identical with the length of end cap ring.Above-mentioned design, artificially can eliminate the installation direction of water stop ring, avoids maintenance to cause sealing to decline by anti-loaded for water stop ring, causes reduce working life.
Further, the end cap ring portion of described water stop ring is provided with and extracts screw.Said structure, can be screwed in extracting tool when dismounting water stop ring and extract in screw, easily be taken out by water stop ring, also can so use when putting into water stop ring by dismounting workpiece.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model water turbine water stop ring sealing configuration embodiment.
Embodiment
As shown in Figure 1, the utility model water turbine water stop ring sealing configuration, includes valve body 1 and the end cap 2 fixing with valve body 1, forms the cavity that is installed water stop ring 3 between valve body 1 and the interior edge face of end cap 2.This water stop ring 3 includes three parts successively, i.e. valve body ring 31, valve pocket ring 32 and end cap ring 33.Wherein valve body ring 31 is identical with the external diameter of end cap ring 33, and the external diameter of valve pocket ring 32 is greater than the external diameter of valve body ring 31 and end cap ring 33; In addition, valve body ring 31 is identical with the axial length of end cap ring 33.Above-mentioned design, artificially can eliminate the installation direction of water stop ring 3, avoids maintenance to cause sealing to decline by anti-loaded for water stop ring 3, causes reduce working life.The inwall of valve body 1 is stepped shaft, the stepped shaft inwall of valve body 1 is corresponding with the mounting point of the valve body ring 31 on water stop ring 3 and valve pocket ring 32, the inwall of described end cap 2 is corresponding with the mounting point of the end cap ring 33 on water stop ring 3, and the exterior edge face of end cap 2 is connected with ball valve slip joint 4.End cap 2 is provided with the O-ring seals sealed with ball valve slip joint 4.Ball valve 4 joints that stretch are provided with the projection inserting end cap 2 inwall.Above-mentioned design directly can apply impacting force to the end of water stop ring 3 by ball valve slip joint 4, improves sealability.Of course, on water stop ring 3, circumference offers seal groove.When water stop ring 3 is subject to axial pressing force, seal groove can play the filling effect of distortion and compensation sealing, improves sealability.The end cap ring 33 of water stop ring 3 is provided with extracts screw 34.Said structure, can be screwed in extracting tool when dismounting water stop ring 3 and extract in screw 34, easily be taken out by water stop ring 3, also can so use when putting into water stop ring by dismounting workpiece.
Sealing configuration of the present utility model can ensure, when not taken apart by water turbine or valve not being pulled down from pipeline, to keep in repair the water stop ring 3 of valve and change.Owing to not being fixed by links such as bolts between water stop ring 3 and valve body 1 and end cap 2, but be fixed sealing by nested mode.When water stop ring 3 damages, ball valve slip joint 4 and end cap 2 can be pulled down successively, then taking-up that water stop ring 3 is slided in valve body 1.After water stop ring 3 is repaired or changed, then water stop ring 3 is filled in valve body, cover end cap 2 and compress, finally load ball valve slip joint 4.Whole unloading process does not need to disintegrate to water turbine or valve, is very easy to the maintenance maintenance of valve.Moreover because water stop ring 3 divide into valve body ring 31, valve pocket ring 32 and end cap ring 33 3 parts, and valve pocket ring 32 forms gradient with other two parts, and valve body ring 31 is inserted in valve body, end cap ring 33 is inserted in end cap 2, drastically increases sealability, extend working life.
Above-described is only preferred implementation of the present utility model; should be understood that; for a person skilled in the art; without departing from the concept of the premise utility; some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.
Claims (6)
1. water turbine water stop ring sealing configuration, it is characterized in that, comprise valve body and end cap, the cavity installing water stop ring is provided with between described valve body and end cap interior edge face, described water stop ring comprises three parts successively, valve body ring, valve pocket ring and end cap ring, described valve body ring is identical with the external diameter of end cap ring, and the external diameter of described valve pocket ring is greater than the external diameter of valve body ring and end cap ring; Described valve interior wall is stepped shaft, and the stepped shaft inwall of described valve body is corresponding with the mounting point of the valve body ring on water stop ring and valve pocket ring, and described end cap inwall is corresponding with the mounting point of the end cap ring on water stop ring, and described end cap exterior edge face is connected with ball valve slip joint.
2. water turbine water stop ring sealing configuration according to claim 1, is characterized in that, described end cap is provided with the O-ring seals sealed with ball valve slip joint.
3. water turbine water stop ring sealing configuration according to claim 1, is characterized in that, described ball valve slip joint is provided with the projection inserting end cap inwall.
4. water turbine water stop ring sealing configuration according to claim 1, it is characterized in that, on described water stop ring, circumference offers seal groove.
5. water turbine water stop ring sealing configuration according to claim 1, is characterized in that, described valve body ring is identical with the length of end cap ring.
6. water turbine water stop ring sealing configuration according to claim 1, is characterized in that, the end cap ring portion of described water stop ring is provided with extracts screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420675881.2U CN204253926U (en) | 2014-11-13 | 2014-11-13 | Water turbine water stop ring sealing configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420675881.2U CN204253926U (en) | 2014-11-13 | 2014-11-13 | Water turbine water stop ring sealing configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253926U true CN204253926U (en) | 2015-04-08 |
Family
ID=52958233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420675881.2U Expired - Fee Related CN204253926U (en) | 2014-11-13 | 2014-11-13 | Water turbine water stop ring sealing configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204253926U (en) |
-
2014
- 2014-11-13 CN CN201420675881.2U patent/CN204253926U/en not_active Expired - Fee Related
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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: 20150408 Termination date: 20151113 |
|
| EXPY | Termination of patent right or utility model |