CN219639455U - Anti-scouring stop valve with long service life - Google Patents
Anti-scouring stop valve with long service life Download PDFInfo
- Publication number
- CN219639455U CN219639455U CN202320822037.7U CN202320822037U CN219639455U CN 219639455 U CN219639455 U CN 219639455U CN 202320822037 U CN202320822037 U CN 202320822037U CN 219639455 U CN219639455 U CN 219639455U
- Authority
- CN
- China
- Prior art keywords
- valve
- fixedly connected
- screwed pipe
- scour
- valve rod
- 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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Links
- 238000009991 scouring Methods 0.000 title abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 210000004907 gland Anatomy 0.000 claims abstract description 18
- 230000002265 prevention Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000005121 nitriding Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a long-service-life anti-scouring stop valve, which comprises a valve cover, wherein the middle part of the top of the valve cover is fixedly connected with a mounting seat, the bottom inside the mounting seat is provided with a reinforced threaded pipe, the top of the mounting seat is penetrated through and fixedly connected with a threaded pipe gland through a bolt, the bottom of the threaded pipe gland is contacted with the reinforced threaded pipe, the middle part of the top of the threaded pipe gland is penetrated through and fixedly connected with an inner sleeve, the upper end of the inner sleeve is penetrated through and provided with an outer sleeve, the top of the outer sleeve is fixedly connected with a hand wheel, and the bottom of the valve cover is provided with a sealing gasket. According to the utility model, the valve rod can be isolated from the outside air through the outer sleeve and the inner sleeve, the sealing performance of the joint of the outer sleeve and the inner sleeve can be improved through the sealing rubber ring, the hardness, the wear resistance, the corrosion resistance and the scratch resistance of the valve rod made of the nitriding steel can be improved through the valve rod made of the nitriding steel, the service life of the valve rod is prolonged, and the service life of the stop valve is prolonged indirectly.
Description
Technical Field
The utility model relates to the technical field of stop valves, in particular to a long-service-life anti-scouring stop valve.
Background
The stop valve is also called a stop valve, and belongs to a forced sealing valve, so that when the valve is closed, pressure is applied to a valve clack to force a sealing surface not to leak, when a medium enters the valve from the lower part of the valve clack, the resistance which needs to be overcome by the operation force is the friction force of a valve rod and a filler and the thrust generated by the pressure of the medium, and the force for closing the valve is larger than the force for opening the valve, so that the diameter of the valve rod is larger, otherwise, the valve rod is subject to bending fault, and the valve rod is divided into three types according to the connection mode: the flange connection, the screw thread connection and the welding connection are realized, after the self-sealing valve appears, the medium flow direction of the stop valve enters the valve cavity from the upper part of the valve clack, at the moment, the force for closing the valve is small under the action of the medium pressure, the force for opening the valve is large, and the diameter of the valve rod can be correspondingly reduced.
The valve rod of many current anti-scouring stop valves is usually exposed to air, and because many stop valves are usually in a dark and moist environment, the valve rod is easy to erode, meanwhile, as the valve rod is used, the plating on the surface of the valve rod is worn, and because the valve rod is an important part for realizing opening and closing in the stop valve, the service life of the valve rod is closely related to the service life of the stop valve, and the service life of the stop valve is reduced due to the fact that the service life of the valve rod is reduced.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a long-service-life 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 long service life's anti-scour stop valve, includes the valve gap, valve gap top middle part fixedly connected with mount pad, the inside bottom of mount pad is provided with the enhancement screwed pipe, the mount pad top runs through and through bolt fixedly connected with screwed pipe gland and screwed pipe gland bottom and strengthens screwed pipe contact, screwed pipe gland top middle part runs through and fixedly connected with interior sleeve pipe, interior sleeve pipe upper end runs through and is provided with the outer tube, outer tube top fixedly connected with hand wheel, the valve gap bottom is provided with sealing gasket, sealing gasket bottom is provided with valve gap fixing base and passes through the bolt fastening between valve gap fixing base and the valve gap, valve gap fixing base bottom fixedly connected with valve body, hand wheel bottom middle part fixedly connected with valve rod and valve rod run through outer tube, sealing rubber circle, interior sleeve pipe, screwed pipe gland, enhancement screwed pipe, valve gap fixing base and valve body and with strengthen screwed pipe threaded connection.
For further description of the above technical solution:
the left side and the right side of the mounting seat are fixedly connected with fixing brackets.
For further description of the above technical solution:
one side that fixed bolster upper end is close to each other all fixedly connected with clamp splice and two clamp splice with the outer tube clamping.
For further description of the above technical solution:
the inner sleeve and the outer sleeve can rotate and slide relative to each other, the lower end of the outer sleeve penetrates through and is fixedly connected with a sealing rubber ring, and the inner sleeve penetrates through the sealing rubber ring.
For further description of the above technical solution:
the flange plates are fixedly connected to the left port and the right port of the valve body.
For further description of the above technical solution:
the upper side of the through hole for controlling the opening and closing of the middle part inside the valve body is provided with a seal seat ring which is fixedly connected with the valve body.
For further description of the above technical solution:
the valve rod lower port is fixedly connected with a valve clack which corresponds to the seal seat ring.
The utility model has the following beneficial effects:
according to the utility model, the valve rod can be isolated from the outside air through the outer sleeve and the inner sleeve, the sealing performance of the joint of the outer sleeve and the inner sleeve can be improved through the sealing rubber ring, the hardness, the wear resistance, the corrosion resistance and the scratch resistance of the valve rod made of the nitriding steel can be improved through the valve rod made of the nitriding steel, the service life of the valve rod is prolonged, and the service life of the stop valve is prolonged indirectly.
Drawings
FIG. 1 is a schematic view of a long life anti-scour shut-off valve according to the present utility model;
fig. 2 is an exploded view of a long life anti-scour shut-off valve according to the present utility model.
Legend description:
1. a hand wheel; 2. a valve stem; 3. an outer sleeve; 4. sealing the rubber ring; 5. an inner sleeve; 6. a valve flap; 7. a seal race; 8. a screwed pipe gland; 9. reinforcing the threaded pipe; 10. clamping blocks; 11. a fixed bracket; 12. a mounting base; 13. a valve cover; 14. a sealing gasket; 15. a valve cover fixing seat; 16. a valve body; 17. and a flange plate.
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. 1-2, one embodiment provided by the present utility model is: the utility model provides a long service life's scour prevention stop valve, including valve gap 13, valve gap 13 top middle part fixedly connected with mount pad 12, at first through rotatory hand wheel 1, then hand wheel 1 can drive valve rod 2 and outer tube 3 rotation, mount pad 12 inside bottom is provided with the enhancement screwed pipe 9, mount pad 12 top runs through and through the fixed connection screw thread pipe gland 8 of bolt and screw thread pipe gland 8 bottom and the contact of enhancement screwed pipe 9, through the cooperation of valve rod 2 and the internal enhancement screwed pipe 9 of mount pad 12, make outer tube 3 and valve rod 2 rotatory while down move, screw thread pipe gland 8 top middle part runs through and fixedly connected with inner tube 5, inner tube 5 upper end runs through and is provided with outer tube 3, outer tube 3 top fixedly connected with hand wheel 1, valve gap 13 bottom is provided with sealing washer 14, sealing washer 14 bottom is provided with valve gap fixing base 15 and between valve gap fixing base 15 and the valve gap 13 through the bolt fastening, the interior sleeve 5 can insert the inside of outer tube 3 gradually, finally valve clack 6 of valve rod 2 bottom can withstand valve body 16 interior through-hole department seal ring 7, thereby can realize the switching to the stop valve, valve gap fixing base 15 bottom fixedly connected with valve body 16, can improve the leakproofness of outer tube 3 and interior sleeve 5 junction through sealing rubber circle 4, hand wheel 1 bottom middle part fixedly connected with valve rod 2 and valve rod 2 run through outer tube 3, sealing rubber circle 4, interior sleeve 5, screwed pipe gland 8, strengthen screwed pipe 9, valve gap 13, valve gap fixing base 15 and valve body 16 and with strengthen screwed pipe 9 threaded connection, can improve the leakproofness of outer tube 3 and interior sleeve 5 junction through sealing rubber circle 4, can isolate valve rod 2 with the outside air through outer tube 3 and interior sleeve 5, valve rod 2, the outer sleeve 3 and the inner sleeve 5 are made of steel nitride, and a sealing gasket (not shown in the figure) is arranged between the screw pipe gland 8 and the mounting seat 12.
The fixed bolster 11 is all fixedly connected with in mount pad 12 left and right sides, the equal fixedly connected with clamp splice 10 of one side that is close to each other of fixed bolster 11 upper end and two clamp splice 10 hold outer tube 3, valve rod 2 through nitriding steel material, outer tube 3 and interior sleeve 5 can improve its hardness, the wearability, corrosion resistance and antifriction nature, help prolonging the life of stop valve, interior sleeve 5 and outer tube 3 can rotate each other and also can slide each other, the outer tube 3 lower extreme runs through and fixedly connected with sealing rubber circle 4 and interior sleeve 5 runs through sealing rubber circle 4, can improve the leakproofness of valve gap 13 and valve gap fixing base 15 through sealing gasket 14, flange 17 on valve body 16 is used for connecting other devices, two equal fixedly connected with flange 17 of port about valve body 16, the through-hole upside of valve body 16 inside middle part control switching is provided with sealing seat 7 and valve body 16 fixed connection, clamp splice 10 on the fixed bolster 11 is used for restricting outer tube 3, screwed pipe gland 12 is used for restricting reinforcing screwed pipe 9, valve rod 2 lower port fixedly connected with valve clack 6 and sealing seat 7.
Working principle: firstly, through rotating the hand wheel 1, then hand wheel 1 can drive valve rod 2 and outer tube 3 rotation, at this moment, through the cooperation of reinforcing screwed pipe 9 in valve rod 2 and the mount pad 12, make outer tube 3 and valve rod 2 move down while rotating, simultaneously, interior sleeve pipe 5 can insert the inside of outer tube 3 gradually, valve clack 6 at valve rod 2 bottom can be withstood valve body 16 internal through hole department's seal ring 7, thereby can realize the switching to the stop valve, can improve the leakproofness of outer tube 3 and interior sleeve 5 junction through sealing rubber circle 4, can isolate valve rod 2 with the outside air through outer tube 3 and interior sleeve 5, can improve the leakproofness of outer tube 3 and interior sleeve 5 junction through sealing rubber circle 4, can improve its hardness, wearability, corrosion resistance and antifriction nature through valve rod 2 of nitriding steel material, outer tube 3 and interior sleeve pipe 5, help prolonging the life of stop valve, can improve the leakproofness of valve gap 13 and valve gap holder 15 through sealing gasket 14, flange 17 on valve body 16 is used for connecting other devices, clamp splice 10 on the fixed bolster 11 is used for sleeve pipe 3 to restrict outside screwed pipe 12, reinforcing screwed pipe 9.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a long service life's scour prevention stop valve, includes valve gap (13), its characterized in that: valve gap (13) top middle part fixedly connected with mount pad (12), inside bottom of mount pad (12) is provided with enhancement screwed pipe (9), mount pad (12) top runs through and through bolt fixedly connected with screwed pipe gland (8) and screwed pipe gland (8) bottom and strengthens screwed pipe (9) contact, screwed pipe gland (8) top middle part runs through and fixedly connected with interior sleeve pipe (5), interior sleeve pipe (5) upper end runs through and is provided with outer tube (3), outer tube (3) top fixedly connected with hand wheel (1), valve gap (13) bottom is provided with sealing gasket (14), sealing gasket (14) bottom is provided with valve gap fixing base (15) and valve gap fixing base (13) between through bolt fastening, valve gap fixing base (15) bottom fixedly connected with valve body (16), hand wheel (1) bottom middle part fixedly connected with valve rod (2) and valve rod (2) run through outer tube (3), sealing rubber circle (4), interior sleeve pipe (5), screwed pipe gland (8), enhancement screwed pipe (9), valve gap (15) and valve gap (16) and strengthen screwed pipe (9) and strengthen screwed pipe (16).
2. A long life anti-scour shut-off valve according to claim 1, wherein: the left side and the right side of the mounting seat (12) are fixedly connected with fixing brackets (11).
3. A long life anti-scour shut-off valve according to claim 2, wherein: one side of the upper end of the fixed bracket (11) which is close to each other is fixedly connected with a clamping block (10), and the two clamping blocks (10) clamp the outer sleeve (3).
4. A long life anti-scour shut-off valve according to claim 1, wherein: the inner sleeve (5) and the outer sleeve (3) can rotate and slide mutually, the lower end of the outer sleeve (3) penetrates through and is fixedly connected with the sealing rubber ring (4), and the inner sleeve (5) penetrates through the sealing rubber ring (4).
5. A long life anti-scour shut-off valve according to claim 1, wherein: the left port and the right port of the valve body (16) are fixedly connected with flange plates (17).
6. A long life anti-scour shut-off valve according to claim 1, wherein: the upper side of a through hole for controlling opening and closing in the middle of the inside of the valve body (16) is provided with a sealing seat ring (7), and the sealing seat ring (7) is fixedly connected with the valve body (16).
7. A long life anti-scour shut-off valve according to claim 1, wherein: the lower port of the valve rod (2) is fixedly connected with a valve clack (6), and the valve clack (6) corresponds to the sealing seat ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320822037.7U CN219639455U (en) | 2023-04-13 | 2023-04-13 | Anti-scouring stop valve with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320822037.7U CN219639455U (en) | 2023-04-13 | 2023-04-13 | Anti-scouring stop valve with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219639455U true CN219639455U (en) | 2023-09-05 |
Family
ID=87819697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320822037.7U Active CN219639455U (en) | 2023-04-13 | 2023-04-13 | Anti-scouring stop valve with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219639455U (en) |
-
2023
- 2023-04-13 CN CN202320822037.7U patent/CN219639455U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |