CN221170851U - Corrosion-resistant ball valve for underground pipeline - Google Patents
Corrosion-resistant ball valve for underground pipeline Download PDFInfo
- Publication number
- CN221170851U CN221170851U CN202323344856.4U CN202323344856U CN221170851U CN 221170851 U CN221170851 U CN 221170851U CN 202323344856 U CN202323344856 U CN 202323344856U CN 221170851 U CN221170851 U CN 221170851U
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- Prior art keywords
- valve
- valve rod
- corrosion
- rod seat
- valve body
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- 238000005260 corrosion Methods 0.000 title claims abstract description 30
- 230000007797 corrosion Effects 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000011253 protective coating Substances 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 239000011152 fibreglass Substances 0.000 claims description 8
- 239000011701 zinc Substances 0.000 claims description 8
- 229910052725 zinc Inorganic materials 0.000 claims description 8
- 229920000728 polyester Polymers 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a corrosion-resistant ball valve for an underground pipeline, and relates to the technical field of ball valves. The valve comprises a valve body and a valve rod seat, wherein a spherical valve core is arranged in the valve body, a valve rod penetrating through the valve rod seat is fixedly connected to the top of the valve core, an operating handle is arranged at the top of the valve rod, a limiting mechanism for limiting the rotation angle of the valve rod is arranged between the operating handle and the valve rod seat, a protective coating for corrosion resistance and protection is arranged on the valve body, at least two annular grooves are formed in the part, located in the valve rod seat, of the valve rod, and a sealing ring for sealing the valve rod and the valve rod seat is assembled in the annular grooves. This corrosion-resistant ball valve for underground piping through setting up protective coating, can play good corrosion resistance and corrosion resistance when the valve body buries underground, can prolong valve life effectively, through the cooperation of arc wall and stopper, can prescribe a limit to the biggest rotation angle of valve rod.
Description
Technical Field
The utility model relates to the technical field of ball valves, in particular to a corrosion-resistant ball valve for an underground pipeline.
Background
The ball valve is a spherical valve, can be used for regulating and controlling fluid, is particularly suitable for mediums containing fiber, tiny solid particles and the like, is developed into a main valve type along with the continuous improvement of a production process and a product structure along with the rapid development of science and technology, and is widely applied to industries such as petroleum refining, long-distance pipeline, papermaking, water conservancy, steel and the like.
When the ball valve is used, the ball valve is exposed outside, abrasion and corrosion are easy to occur, and particularly when the ball valve is applied to an underground pipeline, the ball valve is subjected to corrosion caused by soil to the outer wall of the valve, and the valve is easy to damage.
Disclosure of utility model
The utility model provides a corrosion-resistant ball valve for an underground pipeline, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anticorrosive ball valve for underground pipe, includes valve body and valve rod seat, the inside of valve body is equipped with spherical case, the top fixedly connected with of case passes the valve rod of valve rod seat, operating handle is installed at the top of valve rod, be equipped with the stop gear who restricts valve rod turned angle between operating handle and the valve rod seat, be equipped with the protective coating that plays anticorrosive guard action to the valve body on the valve body.
Further, at least two annular grooves are formed in the part, located in the valve rod seat, of the valve rod, and sealing rings with sealing effect on the valve rod and the valve rod seat are assembled in the annular grooves.
Further, an assembling groove matched with the valve rod seat is formed in the top inner wall of the valve body, the diameter of the assembling groove is larger than that of the inner cavity of the valve rod seat, and a disc-shaped sealing plate which is rotatably arranged in the assembling groove is fixedly arranged on the valve rod.
Further, one side that the valve rod was pressed close to operating handle is formed with the recess, is equipped with in the recess with solid fixed ring, gu the tip of valve rod inserts gu fixed ring's inner chamber and is connected with operating handle, be equipped with two at least connecting blocks between gu fixed ring's outer wall and the recess, gu fixed ring and the inner wall of recess are located and are formed with the arc wall between the connecting block, the outer wall fixedly connected with of valve rod seat is the stopper of L shape, the tip of stopper inserts in the arc wall.
Further, one end of the valve body is connected with a valve cap in a threaded mode.
Further, sealing rings are arranged between the valve cap and the valve core and between the valve core and the inner wall of the valve body.
Further, the protective coating comprises a waterproof film layer, a zinc-based alloy layer and a polyester glass fiber reinforced plastic composite coating, and the waterproof film layer, the zinc-based alloy layer and the polyester glass fiber reinforced plastic composite coating are sequentially arranged on the outer wall of the valve body from inside to outside.
Compared with the prior art, the utility model provides the corrosion-resistant ball valve for the underground pipeline, which has the following beneficial effects:
1. This corrosion-resistant ball valve for underground pipe through setting up protective coating, can play good corrosion resistance and corrosion resistance when the valve body buries underground, can prolong valve life effectively.
2. The corrosion-resistant ball valve for the underground pipeline can limit the maximum rotation angle of the valve rod through the cooperation of the arc-shaped groove and the limiting block.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a split structure of the present utility model;
FIG. 3 is an enlarged schematic view of the utility model at A;
FIG. 4 is a schematic plan view of the present utility model;
fig. 5 is an enlarged schematic view of the utility model at B.
In the figure: 1. a valve body; 2. a valve rod seat; 3. a valve core; 4. a valve stem; 5. an operation handle; 6. an annular groove; 7. a seal ring; 8. a sealing plate; 9. an assembly groove; 10. a fixing ring; 11. a connecting block; 12. an arc-shaped groove; 13. a valve cap; 14. a limiting block; 15. a seal ring; 16. a waterproof membrane layer; 17. a zinc-based alloy layer; 18. polyester glass fiber reinforced plastic composite coating.
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.
Referring to fig. 1-5, the utility model discloses a corrosion-resistant ball valve for an underground pipeline, which comprises a valve body 1 and a valve rod seat 2, wherein a spherical valve core 3 is arranged in the valve body 1, the top of the valve core 3 is fixedly connected with a valve rod 4 penetrating through the valve rod seat 2, an operating handle 5 is arranged at the top of the valve rod 4, a limiting mechanism for limiting the rotation angle of the valve rod 4 is arranged between the operating handle 5 and the valve rod seat 2, and a protective coating for corrosion resistance and protection of the valve body 1 is arranged on the valve body 1.
Specifically, at least two annular grooves 6 are formed in the part, located in the valve rod seat 2, of the valve rod 4, and sealing rings 7 with sealing effect on the valve rod 4 and the valve rod seat 2 are assembled in the annular grooves 6.
In the present embodiment, the sealing ring 7 is provided to prevent the medium flowing through the valve body from leaking from the stem seat 2.
Specifically, the top inner wall of the valve body 1 is formed with an assembly groove 9 matched with the valve rod seat 2, the diameter of the assembly groove 9 is larger than that of the inner cavity of the valve rod seat 2, and the valve rod 4 is fixedly provided with a disc-shaped sealing plate 8 which is rotatably arranged in the assembly groove 9.
In this embodiment, the sealing plate 8 can shield the connection between the valve stem seat 2 and the inner cavity of the valve body 1, and plays a role in auxiliary sealing.
Specifically, the one side that handle 5 pressed close to valve rod 4 is formed with the recess, is equipped with in the recess with solid fixed ring 10, the tip of valve rod 4 inserts solid fixed ring 10's inner chamber and is connected with handle 5, be equipped with two at least connecting blocks 11 between solid fixed ring 10's outer wall and the recess, gu fixed ring 10 and the inner wall of recess lie in between the connecting block 11 and be formed with arc groove 12, the outer wall fixedly connected with of valve rod seat 2 is L-shaped stopper 14, the tip of stopper 14 inserts in the arc groove 12.
In this embodiment, the outer wall of the fixing ring 10 is provided with a mounting through hole, the outer wall of the operating handle 5 is provided with a mounting hole corresponding to the mounting through hole, and when the end of the valve rod 4 is inserted into the fixing ring 10, the end can be limited by a screw, a bolt, or other components passing through the mounting hole and the mounting through hole.
Specifically, one end of the valve body 1 is screwed with a bonnet 13.
Sealing rings 15 are arranged between the valve cap 13 and the valve core 3 and between the valve core 3 and the inner wall of the valve body 1.
In the present embodiment, the seal 15 is provided to seal the valve element 3.
Specifically, the protective coating comprises a waterproof film layer 16, a zinc-based alloy layer 17 and a glass fiber reinforced plastic composite coating 18, wherein the waterproof film layer 16, the zinc-based alloy layer 17 and the glass fiber reinforced plastic composite coating 18 are sequentially arranged on the outer wall of the valve body 1 from inside to outside.
In the embodiment, the waterproof membrane layer 16 can play a role in waterproof, and the arrangement of the zinc-based alloy layer 17 and the polyester glass fiber reinforced plastic composite coating 18 can improve the wear resistance and corrosion resistance of the valve body 1.
In summary, according to the corrosion-resistant ball valve for the underground pipeline, the protective coating is arranged, so that good corrosion resistance and corrosion resistance can be achieved when the valve body 1 is buried underground, the service life of the valve can be effectively prolonged, and the maximum rotation angle of the valve rod 4 can be limited by the cooperation of the arc-shaped groove 12 and the limiting block 14.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a corrosion-resistant ball valve for underground piping, includes valve body (1) and valve rod seat (2), its characterized in that: the inside of valve body (1) is equipped with spherical case (3), the top fixedly connected with of case (3) passes valve rod (4) of valve rod seat (2), operating handle (5) are installed at the top of valve rod (4), be equipped with the stop gear who restricts valve rod (4) turned angle between operating handle (5) and valve rod seat (2), be equipped with the protective coating that plays corrosion-resistant guard action to valve body (1) on valve body (1).
2. The corrosion-resistant ball valve for an underground pipe according to claim 1, wherein: at least two annular grooves (6) are formed in the part, located in the valve rod seat (2), of the valve rod (4), and sealing rings (7) which play a role in sealing the valve rod (4) and the valve rod seat (2) are assembled in the annular grooves (6).
3. The corrosion-resistant ball valve for an underground pipe according to claim 1, wherein: the valve is characterized in that an assembling groove (9) matched with the valve rod seat (2) is formed in the top inner wall of the valve body (1), the diameter of the assembling groove (9) is larger than that of an inner cavity of the valve rod seat (2), and a disc-shaped sealing plate (8) which is rotatably arranged in the assembling groove (9) is fixedly arranged on the valve rod (4).
4. The corrosion-resistant ball valve for an underground pipe according to claim 1, wherein: one side that handle (5) pressed close to valve rod (4) is formed with the recess, is equipped with in the recess with solid fixed ring (10), the tip of valve rod (4) inserts the inner chamber of solid fixed ring (10) and is connected with handle (5), be equipped with two at least connecting blocks (11) between the outer wall of solid fixed ring (10) and the recess, the inner wall of solid fixed ring (10) and recess is located between connecting block (11) and is formed with arc wall (12), the outer wall fixedly connected with of valve rod seat (2) is stopper (14) of L shape, the tip of stopper (14) inserts in arc wall (12).
5. The corrosion-resistant ball valve for an underground pipe according to claim 1, wherein: one end of the valve body (1) is connected with a valve cap (13) in a threaded manner.
6. The corrosion-resistant ball valve for an underground pipe according to claim 5, wherein: sealing rings (15) are arranged between the valve cap (13) and the valve core (3) and between the valve core (3) and the inner wall of the valve body (1).
7. The corrosion-resistant ball valve for an underground pipe according to claim 1, wherein: the protective coating comprises a waterproof film layer (16), a zinc-based alloy layer (17) and a polyester glass fiber reinforced plastic composite coating (18), wherein the waterproof film layer (16), the zinc-based alloy layer (17) and the polyester glass fiber reinforced plastic composite coating (18) are sequentially arranged on the outer wall of the valve body (1) from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323344856.4U CN221170851U (en) | 2023-12-07 | 2023-12-07 | Corrosion-resistant ball valve for underground pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323344856.4U CN221170851U (en) | 2023-12-07 | 2023-12-07 | Corrosion-resistant ball valve for underground pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221170851U true CN221170851U (en) | 2024-06-18 |
Family
ID=91463012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323344856.4U Active CN221170851U (en) | 2023-12-07 | 2023-12-07 | Corrosion-resistant ball valve for underground pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221170851U (en) |
-
2023
- 2023-12-07 CN CN202323344856.4U patent/CN221170851U/en active Active
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