CN219639449U - Anti-scouring stop valve with double sealing effect - Google Patents
Anti-scouring stop valve with double sealing effect Download PDFInfo
- Publication number
- CN219639449U CN219639449U CN202320847939.6U CN202320847939U CN219639449U CN 219639449 U CN219639449 U CN 219639449U CN 202320847939 U CN202320847939 U CN 202320847939U CN 219639449 U CN219639449 U CN 219639449U
- Authority
- CN
- China
- Prior art keywords
- valve
- fixedly connected
- communicating pipe
- runs
- body shell
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 230000000694 effects Effects 0.000 title claims abstract description 8
- 238000009991 scouring Methods 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000009977 dual effect Effects 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a double-sealing-effect anti-scouring stop valve, which comprises a valve body shell, wherein shell wall threads are arranged on the left side and the right side of the inner diameter of the valve body shell, a communicating pipe is penetrated and fixedly connected at the central position of the top of the valve body shell, a valve cover is fixedly connected with the inner wall of the communicating pipe, threads which are uniformly distributed penetrate and are arranged on the inner diameter of the valve cover, a pressing cap is fixedly connected with the top of the communicating pipe, a valve rod penetrates and is rotatably connected at the central position of the top of the pressing cap, and a water inlet pipeline penetrates and is fixedly connected with the bottom end of the communicating pipe. In the utility model, the rubber ring arranged at the bottom of the sealing ring is also mutually clamped with the embedded groove arranged on the valve seat, thereby realizing the double sealing effect and avoiding the problem of internal leakage of the valve caused by abrasion of the valve clack and the valve seat after long-time erosion of high-pressure fluid after the stop valve works for a long time.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a double-sealing-effect anti-scouring stop valve.
Background
In the use process of the stop valve, the stop valve is widely used for closing and blocking a pipeline, and the stop valve is also called a stop valve, belongs to a forced sealing valve, and when the valve is closed, pressure is applied to a valve clack so as to force a sealing surface not to leak, and when a medium enters the valve downwards from the valve clack, the resistance which is needed to be overcome by operating force is widely applied to systems such as boilers, steam turbines and the like.
At present, the valve clack and the valve seat are required to be used for closing and isolating the liquid in the pipeline in the use process of the stop valve, but after the stop valve works for a long time, the valve clack and the valve seat are easily worn after being eroded by high-pressure fluid for a long time, so that the internal leakage problem of the valve is caused,
disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a double-sealing-effect anti-scouring stop valve.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a dual seal effect's anti-scour stop valve, includes the valve body shell, valve body shell internal diameter left and right sides all is provided with shell wall screw thread, valve body shell top central point department runs through and fixedly connected with communicating pipe, communicating pipe inner wall fixedly connected with valve gap, the valve gap internal diameter runs through and is provided with evenly distributed's screw thread, communicating pipe top fixedly connected with presses the cap, pressing cap top central point department runs through and rotates and be connected with the valve rod, communicating pipe bottom runs through and fixedly connected with inlet channel, communicating pipe external diameter right-hand member runs through and fixedly connected with outlet channel, inlet channel left end runs through and fixedly connected with connecting piece, outlet channel right-hand member runs through and fixedly connected with connecting piece, the valve rod bottom runs through and rotates and be connected with the valve clack, valve clack external diameter top fixedly connected with sealing washer, sealing washer bottom fixedly connected with rubber circle, communicating pipe internal diameter bottom fixedly connected with disk seat, the disk seat top runs through and is provided with round gomphosis groove.
As a further description of the above technical solution:
the center of the outer diameter of the valve rod is provided with threads, and the valve rod is in threaded connection with the valve cover.
As a further description of the above technical solution:
and the top of the valve rod penetrates through and is fixedly connected with a hand wheel.
As a further description of the above technical solution:
the two connecting pieces are fixedly connected with the valve body shell.
As a further description of the above technical solution:
the valve seat and the valve clack are mutually clamped, and the rubber ring and the embedded groove are mutually clamped.
As a further description of the above technical solution:
the sealing rubber cushion penetrates through the center of the inner diameter of the pressing cap, and is rotationally and slidingly connected with the valve rod.
As a further description of the above technical solution:
the water inlet pipeline and the water outlet pipeline are fixedly connected with the valve body shell.
The utility model has the following beneficial effects:
according to the utility model, the valve seat, the valve clack, the sealing ring, the rubber ring and the embedded groove arranged on the valve seat are arranged at first, after the valve seat and the valve clack are mutually clamped and sealed, the sealing ring and the valve seat are mutually attached, and the rubber ring arranged at the bottom of the sealing ring and the embedded groove arranged on the valve seat are mutually clamped, so that a double sealing effect is realized, and the problem of internal leakage of the valve caused by abrasion of the valve clack and the valve seat after the valve clack works for a long time and is subjected to erosion of high-pressure fluid is avoided.
Drawings
FIG. 1 is a perspective view of a double seal anti-scour shut-off valve according to the present utility model;
FIG. 2 is a schematic cross-sectional closing view of a dual seal anti-scour shut-off valve according to the present utility model;
FIG. 3 is a schematic cross-sectional open view of a dual seal anti-scour shut-off valve according to the present utility model;
fig. 4 is an enlarged view at a in fig. 2.
Legend description:
1. a valve body housing; 2. a hand wheel; 3. pressing the cap; 4. a communicating pipe; 5. shell wall threads; 6. a connecting piece; 7. a valve cover; 8. a water outlet pipe; 9. a water inlet pipe; 10. sealing rubber cushion; 11. a thread; 12. a valve stem; 13. a valve seat; 14. a seal ring; 15. a valve flap; 16. a fitting groove; 17. a rubber ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a dual seal effect's anti-scour stop valve, including valve body shell 1, valve body shell 1 internal diameter left and right sides all is provided with shell wall screw thread 5, with inlet tube and outlet pipe alignment valve body shell 1 left and right sides respectively, and utilize shell wall screw thread 5 of valve body shell 1 left and right sides to be in the same place rather than threaded connection, valve body shell 1 top central point department runs through and fixedly connected with communicating pipe 4, communicating pipe 4 inner wall fixedly connected with valve gap 7, valve gap 7 internal diameter runs through and is provided with evenly distributed's screw thread 11, communicating pipe 4 top fixedly connected with presses cap 3, press cap 3 top central point department runs through and rotates and is connected with valve rod 12, communicating pipe 4 bottom runs through and fixedly connected with inlet channel 9, communicating pipe 4 external diameter right-hand member runs through and fixedly connected with outlet pipe 8, inlet channel 9 left end runs through and fixedly connected with connecting piece 6, left and right side goes into lowerly to go high, liquid pressure has also been reduced the scour of pipeline inside, outlet pipe 8 right end runs through and fixedly connected with connecting piece 6, valve rod 12 bottom and rotates and is connected with valve clack 15, 15 external diameter top fixedly connected with valve clack 14, 14 bottom fixedly connected with a sealing washer 17, 13 and 13 of sealing washer 13 and 13 are also fitted with valve seat 13, 13 and 13 are mutually to the sealing washer 13, 13 are nested to the bottom 13.
The center position of the outer diameter of the valve rod 12 is provided with threads 11, the threads between the valve rod 12 and the valve cover 7 are connected, the top of the valve rod 12 penetrates through and is fixedly connected with the hand wheel 2, when liquid in a pipeline needs to pass through, the hand wheel 2 is screwed, so that the valve rod 12 rotates together, when the liquid in the pipeline does not need to pass through, the hand wheel 2 is reversely screwed, the two connecting pieces 6 are fixedly connected with the valve body shell 1, the valve seat 13 and the valve clack 15 are mutually clamped, the rubber ring 17 and the embedded groove 16 are mutually clamped, the center position of the inner diameter of the press cap 3 penetrates through and is provided with the sealing rubber gasket 10, the sealing rubber gasket 10 and the valve rod 12 are rotationally and slidingly connected, and the water inlet pipeline 9 and the water outlet pipeline 8 are fixedly connected with the valve body shell 1.
Working principle: firstly, installing a stop valve, aligning a water inlet pipeline with the left side of a valve body shell 1, connecting a shell wall thread 5 on the left side of the valve body shell 1 with threads of the water inlet pipeline, aligning a water outlet pipe with the right side of the valve body shell 1, connecting the shell wall thread 5 on the right side of the valve body shell 1 with threads of the water outlet pipeline, forming a complete channel, when liquid in a pipeline needs to pass through, screwing a hand wheel 2, rotating a valve rod 12 together, and mutually jogging threads on the inner diameter of a valve cover 7 through threads on the valve rod 12, lifting the valve rod 12, simultaneously driving a valve clack 15 and a sealing ring 14 to be mutually lifted and separated from a valve seat 13, realizing the opening work of the stop valve, reversely screwing the hand wheel 2 when the liquid in the pipeline needs not to pass through, mutually jogging the threads on the valve rod 12 and the threads on the inner diameter of the valve cover 7, downwards moving the valve rod 12 and the sealing ring 14, mutually jogging the sealing ring 13, and mutually jogging a rubber ring 17 at the bottom of the sealing ring 14 and a double jogging groove 16, and realizing the sealing effect.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a dual seal effect's scour prevention stop valve, includes valve body shell (1), its characterized in that: the valve body shell (1) internal diameter left and right sides all is provided with shell wall screw thread (5), valve body shell (1) top central point puts department and runs through and fixedly connected with communicating pipe (4), communicating pipe (4) inner wall fixedly connected with valve gap (7), valve gap (7) internal diameter runs through and is provided with evenly distributed's screw thread (11), communicating pipe (4) top fixedly connected with presses cap (3), press cap (3) top central point puts department and runs through and rotate and be connected with valve rod (12), communicating pipe (4) bottom runs through and fixedly connected with inlet channel (9), communicating pipe (4) external diameter right-hand member runs through and fixedly connected with outlet pipe (8), inlet channel (9) left end runs through and fixedly connected with connecting piece (6), outlet pipe (8) right-hand member runs through and fixedly connected with connecting piece (6), valve rod (12) bottom runs through and rotates and is connected with valve clack (15) external diameter top fixedly connected with sealing washer (14), sealing washer (14) bottom fixedly connected with rubber circle (17), communicating pipe (4) external diameter right-hand member runs through and fixedly connected with outlet channel (13), valve seat (13) top end gomphosis.
2. The dual seal, anti-scour shut-off valve of claim 1, wherein: a thread (11) is arranged at the center of the outer diameter of the valve rod (12), and the valve rod (12) is connected with the valve cover (7) through the thread.
3. The dual seal, anti-scour shut-off valve of claim 1, wherein: the top of the valve rod (12) penetrates through and is fixedly connected with a hand wheel (2).
4. The dual seal, anti-scour shut-off valve of claim 1, wherein: the two connecting pieces (6) are fixedly connected with the valve body shell (1).
5. The dual seal, anti-scour shut-off valve of claim 1, wherein: the valve seat (13) and the valve clack (15) are mutually clamped, and the rubber ring (17) and the embedded groove (16) are mutually clamped.
6. The dual seal, anti-scour shut-off valve of claim 1, wherein: the sealing rubber pad (10) penetrates through the center of the inner diameter of the pressing cap (3), and the sealing rubber pad (10) is rotationally and slidingly connected with the valve rod (12).
7. The dual seal, anti-scour shut-off valve of claim 1, wherein: the water inlet pipeline (9) and the water outlet pipeline (8) are fixedly connected with the valve body shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320847939.6U CN219639449U (en) | 2023-04-13 | 2023-04-13 | Anti-scouring stop valve with double sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320847939.6U CN219639449U (en) | 2023-04-13 | 2023-04-13 | Anti-scouring stop valve with double sealing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219639449U true CN219639449U (en) | 2023-09-05 |
Family
ID=87806471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320847939.6U Active CN219639449U (en) | 2023-04-13 | 2023-04-13 | Anti-scouring stop valve with double sealing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219639449U (en) |
-
2023
- 2023-04-13 CN CN202320847939.6U patent/CN219639449U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219639449U (en) | Anti-scouring stop valve with double sealing effect | |
| CN211398602U (en) | Inflatable butterfly valve | |
| CN213017815U (en) | Multi-sealing two-way plug valve | |
| CN109611574B (en) | Composite ball valve with pressure regulating device | |
| CN212718004U (en) | High-performance leak-proof stop valve | |
| CN114001196A (en) | Totally-enclosed high-temperature and high-pressure resistant oil production valve | |
| CN208793706U (en) | A kind of lining fire safe type high temperature tee joint butterfly valve | |
| CN203009855U (en) | Internal-pressure self-sealing type valve cover stop valve | |
| CN103174855B (en) | Self-checking type double-valve-head regulating valve | |
| CN216867511U (en) | Stop valve for refrigeration | |
| CN219413589U (en) | High-tightness ball valve | |
| CN2929377Y (en) | Vacuum butterfly valve | |
| CN219975358U (en) | Cut-off type filter valve | |
| CN107504230A (en) | The nuclear power island heart oblique valve single flow non-return valve of valve body bolt connection | |
| CN219639467U (en) | Novel leak protection water butterfly valve | |
| CN214889018U (en) | Anti-leakage fluorine-lined ball valve | |
| CN213451705U (en) | Combined stainless steel valve | |
| CN216923218U (en) | Composite sealing valve | |
| CN217381650U (en) | Double-sealing high-pressure stop valve | |
| CN212131372U (en) | High-pressure groove ball valve | |
| CN208919449U (en) | A kind of Y-shaped cut-off valve | |
| CN215257854U (en) | Novel high-pressure stop valve | |
| CN219755382U (en) | High-pressure medium flow direction special valve | |
| CN218625441U (en) | Anti-leakage stop valve for natural gas pipeline | |
| CN217951243U (en) | Dustproof vacuum valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |