CN220470752U - Leak-proof pressure-resistant hydraulic control valve - Google Patents
Leak-proof pressure-resistant hydraulic control valve Download PDFInfo
- Publication number
- CN220470752U CN220470752U CN202322099691.2U CN202322099691U CN220470752U CN 220470752 U CN220470752 U CN 220470752U CN 202322099691 U CN202322099691 U CN 202322099691U CN 220470752 U CN220470752 U CN 220470752U
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- proof pressure
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- 238000007789 sealing Methods 0.000 claims abstract description 83
- 238000001125 extrusion Methods 0.000 claims abstract description 71
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model provides a leakage-proof pressure-resistant hydraulic control valve, which comprises a sealing ring, an extrusion spring, a sealing cavity and a pushing ring, wherein the sealing ring is embedded on the right side of the inside of the sealing cavity, the pushing ring is embedded in the sealing cavity, the extrusion spring is arranged on the left end face of the pushing ring.
Description
Technical Field
The utility model relates to the technical field of hydraulic control valves, in particular to a leakage-proof pressure-resistant hydraulic control valve.
Background
The hydraulic control valve is advanced pipeline control equipment at home and abroad, is mainly arranged at the inlet of a hydraulic turbine of a hydropower station and is used as an inlet valve of the hydraulic turbine; or the hydraulic control valve is arranged at the water pump outlet of various pump stations such as water conservancy, electric power, water supply and drainage and the like to replace the functions of a check valve and a gate valve, when the hydraulic control valve works, the valve is matched with a pipeline host, and according to the principle of a hydraulic transition process, a pipeline water hammer is effectively eliminated through a preset opening and closing program, the reliable stop of a pipeline is realized, and the effect of protecting the safety of a pipeline system is achieved.
The hydraulic control valve provided by the publication number CN215567997U is characterized in that a rotating rod is arranged at the left end of a hydraulic mechanism, the rotating rod penetrates through a valve body fixedly connected circular plate, a moving plate is arranged in the rotating rod, the moving plate is in sliding connection with the inner wall of the rotating rod, and a valve core is conveniently detached, replaced or maintained through clamping fit.
However, the following drawbacks exist in the above technical solutions and the prior art:
the connecting ring in the valve body has no corresponding sealing structure, so that the valve body is easy to leak between the connecting ring and an external pipeline in the later use process, and maintenance can be performed only by closing the external pipeline main valve by a maintenance person once the leakage occurs, thereby not only affecting the production efficiency of a using enterprise, but also increasing the working strength of the maintenance person.
Disclosure of Invention
The utility model aims to provide a leakage-proof pressure-resistant hydraulic control valve so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a leak protection pressure-resistant type hydraulically controlled valve, includes hydraulically controlled valve body, protective cover and mounting flange dish, the protective cover is installed to hydraulically controlled valve body up end, end symmetry fixedly connected with mounting flange dish about the hydraulically controlled valve body, mounting flange dish right-hand member face is provided with seal assembly, and seal assembly is used for the seal to the mounting flange dish, the inside extrusion subassembly that is used for improving seal assembly leakproofness that is provided with of mounting flange dish.
Preferably, the sealing assembly comprises a sealing ring, an extrusion spring, a sealing cavity and a pushing ring, the sealing cavity is formed in the right end face of the mounting flange plate, the sealing ring is embedded in the right side of the inside of the sealing cavity, the pushing ring is embedded in the inside of the sealing cavity, and the extrusion spring is arranged on the left end face of the pushing ring.
Preferably, the extrusion subassembly includes regulation pole, anticreep lid, extrusion piece, spacing chamber and receives the clamping ring, spacing chamber has been seted up to the inside upside of mounting flange dish, spacing intracavity portion is provided with the regulation pole, the extrusion piece is installed to the regulation pole lower extreme, the anticreep lid is installed to extrusion piece up end, the laminating of extrusion piece lower extreme right side has the clamping ring.
Preferably, the pushing ring right end face is attached with a first inner sealing gasket, and the pressed ring right end face is attached with a second inner sealing gasket.
Preferably, the first inner sealing gasket and the second inner sealing gasket are both annular, and the first inner sealing gasket and the second inner sealing gasket are made of ethylene propylene rubber.
Preferably, the through hole has been seted up from top to bottom to the annular side of mounting flange dish, it is provided with the follower block to adjust the pole bottom, it is provided with the cap to adjust the pole up end, extrusion piece right-hand member face and the left end face upside of pressurized ring are the slope form.
Preferably, the through hole is internally provided with internal threads, the annular side surface of the adjusting rod is provided with external threads, the external threads are meshed with the internal threads, the through hole is symmetrically arranged on the upper side, the lower side, the front side and the rear side of the annular side surface of the mounting flange plate respectively, the rotating cap is hexagonal, the follow-up block is circular, and the limiting cavity is matched with the extrusion block.
Preferably, the pushing ring is matched with the sealing cavity, the sealing cavity is communicated with the limiting cavity, and the extrusion springs are symmetrically arranged on the upper side, the lower side, the front side and the rear side of the inside of the sealing cavity respectively.
Preferably, mounting holes are symmetrically formed in the front side and the rear side of the inside of the mounting flange plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. the extrusion spring is arranged so as to apply extrusion force to the pushing ring, and the pushing ring can apply external extrusion force to the sealing ring through the first inner sealing gasket, so that the sealing ring generates certain deformation to seal gaps between the mounting flange and the external pipeline, and the situation that leakage occurs easily between the mounting flange and the external pipeline is avoided;
2. the utility model discloses a make adjust the pole and drive extrusion piece and remove to the inboard, alright make extrusion piece extrude the pressurized ring, pressurized ring outside removes and applys further extrusion force to extrusion spring through the inside sealed pad of second this moment to this extrusion force that improves extrusion spring, also just means when extrusion spring's extrusion force improves the extrusion force that the sealing washer received can be bigger, makes the sealing washer further deform, with this sealing capability that further improves the sealing washer, thereby further improves installation flange leak protection pressure-resistant ability.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a block diagram of a mounting flange in accordance with the present utility model;
FIG. 3 is a block diagram of a press assembly according to the present utility model;
FIG. 4 is a front cross-sectional view of the compression assembly and seal assembly of the present utility model;
FIG. 5 is a right side cross-sectional view of the compression assembly and seal assembly of the present utility model;
fig. 6 is a partial enlarged view of fig. 4.
In the figure: 1. a hydraulically controlled valve body; 2. a protective cover; 3. an extrusion assembly; 31. a rotating cap; 32. an adjusting rod; 321. a follower block; 33. an anti-falling cover; 34. extruding a block; 35. a spacing cavity; 36. a through hole; 37. a compression ring; 4. installing a flange plate; 41. a mounting hole; 5. a seal assembly; 51. a seal ring; 52. a first inner seal; 53. extruding a spring; 54. sealing the cavity; 55. a push ring; 56. a second inner seal.
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. 1-6, the present utility model provides a technical solution:
embodiment one:
the utility model provides a leak protection pressure-resistant type hydraulically controlled valve, includes hydraulically controlled valve body 1, protective cover 2 and mounting flange 4, and protective cover 2 is installed to hydraulically controlled valve body 1 up end, and end symmetry fixedly connected with mounting flange 4 about hydraulically controlled valve body 1, mounting flange 4 right-hand member face is provided with seal assembly 5, and seal assembly 5 is used for the seal to mounting flange 4, and mounting flange 4 is inside to be provided with the extrusion subassembly 3 that is used for improving seal assembly 5 leakproofness.
The sealing assembly 5 comprises a sealing ring 51, an extrusion spring 53, a sealing cavity 54 and a pushing ring 55, the sealing cavity 54 is formed in the right end face of the mounting flange 4, the sealing ring 51 is embedded in the right side of the inside of the sealing cavity 54, the pushing ring 55 is embedded in the inside of the sealing cavity 54, and the extrusion spring 53 is arranged on the left end face of the pushing ring 55.
The pushing ring 55 is provided with a first inner sealing gasket 52 on the right end face, the compression ring 37 is provided with a second inner sealing gasket 56 on the right end face, the first inner sealing gasket 52 and the second inner sealing gasket 56 are all annular, the first inner sealing gasket 52 and the second inner sealing gasket 56 are made of ethylene propylene rubber, the first inner sealing gasket 52 and the second inner sealing gasket 56 are provided with two groups of sealing gaskets, the annular first inner sealing gasket 52 is made of ethylene propylene rubber and has better ageing resistance, corrosion resistance and elasticity, so that the tightness between the pushing ring 55 and the sealing ring 51 is improved, and the annular second inner sealing gasket 56 is made of ethylene propylene rubber and has better ageing resistance, corrosion resistance and elasticity, so that the tightness between the compression ring 37 and the sealing cavity 54 is improved.
Mounting holes 41 have been seted up to the inside front and back bilateral symmetry of mounting flange 4, and mounting flange 4 fixedly connected with is two sets of, and two sets of mounting flange 4 specifications are the same, and mounting flange 4 links to each other through the welding mode with liquid accuse valve body 1, and mounting holes 41 make things convenient for external fixing bolt to alternate inside mounting flange 4 to connect fixedly between liquid accuse valve body 1 and the external pipeline.
Embodiment two:
on the basis of the first embodiment, in this embodiment, the adjusting rod 32 drives the extrusion block 34 to move downward, so that the extrusion block 34 can press the compression ring 37 downward, at this time, the compression ring 37 moves outward and applies a further extrusion force to the extrusion spring 53, so as to improve the extrusion force of the extrusion spring 53, and when the extrusion force of the extrusion spring 53 is improved, the extrusion force applied to the sealing ring 51 is larger, so that the sealing ring 51 is further deformed, and the sealing capability of the sealing ring 51 is further improved.
The extrusion assembly 3 comprises an adjusting rod 32, an anti-falling cover 33, an extrusion block 34, a limiting cavity 35 and a compression ring 37, wherein the limiting cavity 35 is formed in the upper side of the inside of the mounting flange 4, the adjusting rod 32 is arranged in the limiting cavity 35, the extrusion block 34 is mounted at the lower end of the adjusting rod 32, the anti-falling cover 33 is mounted on the upper end face of the extrusion block 34, and the compression ring 37 is attached to the right side of the lower end face of the extrusion block 34.
The annular side surface of the mounting flange 4 is provided with a through hole 36 up and down, the bottom of the adjusting rod 32 is provided with a follow-up block 321, the upper end surface of the adjusting rod 32 is provided with a rotating cap 31, the right end surface of the extruding block 34 and the upper side of the left end surface of the pressed ring 37 are both inclined, the inside of the through hole 36 is provided with internal threads, the annular side surface of the adjusting rod 32 is provided with external threads, the external threads are meshed with the internal threads, the through hole 36 is respectively symmetrically arranged on the upper side, the lower side, the front side and the rear side of the annular side surface of the mounting flange 4, the rotating cap 31 is hexagonal, the follow-up block 321 is circular, a limiting cavity 35 is matched with the extruding block 34, the rotating cap 31 is connected with the adjusting rod 32 in a welding mode, the adjusting rod 32 is connected with the follow-up block 321 in a welding mode, the upper end surface of the extruding block 34 is provided with a circular groove, the circular groove is matched with the follower block 321, the adjusting rod 32 is symmetrically arranged on the upper side, the lower side, the front side and the rear side of the annular side face of the mounting flange 4 respectively, the through hole 36 internally provided with the internal thread is convenient for the adjusting rod 32 with the external thread to stretch out and draw back up and down or back and forth in the mounting flange 4, the circular follower block 321 is convenient for the adjusting rod 32 to drive the extrusion block 34 to move, the hexagonal rotating cap 31 is convenient for maintenance personnel to rotate the adjusting rod 32 clockwise or anticlockwise by means of an external wrench, the limiting cavity 35 can limit and guide the extrusion block 34, the extrusion block 34 is prevented from shifting or rotating in the displacement movement process, and the circular groove is convenient for the follower block 321 to be embedded on the upper end face of the extrusion block 34 for use.
Working principle: in the use process of the hydraulic control valve body 1, the second inner sealing gasket 56 can support the extrusion spring 53 under the supporting force of the pressure-receiving ring 37, so that the extrusion spring 53 applies extrusion force to the pushing ring 55, the pushing ring 55 extrudes the first inner sealing gasket 52, the first inner sealing gasket 52 can apply outward extrusion force to the sealing ring 51, and then the sealing ring 51 generates certain deformation to seal a gap between the mounting flange 4 and an external pipeline, thereby avoiding the situation that leakage easily occurs between the mounting flange 4 and the external pipeline, in the process, the sealing property between the pushing ring 55 and the sealing ring 51 is better by the first inner sealing gasket 52, and the sealing property between the pressure-receiving ring 37 and the sealing cavity 54 is better by the second inner sealing gasket 56, and the liquid is prevented from being permeated into the limiting cavity 35.
When the extrusion force of the extrusion spring 53 needs to be improved, maintenance personnel only need to rotate the rotating caps 31 on the upper side, the lower side, the front side and the rear side of the installation flange 4 clockwise by means of external wrenches, at this time, under the meshing force of the external threads and the internal threads, the adjusting rods 32 on the upper side, the lower side, the front side and the rear side of the installation flange 4 can drive the extrusion blocks 34 to move inwards, at this time, the moving extrusion blocks 34 can extrude the compression ring 37, so that the compression ring 37 moves outwards and further extrusion force is applied to the extrusion spring 53 through the second internal sealing gasket 56, the extrusion force of the extrusion spring 53 is improved, when the extrusion force of the extrusion spring 53 is improved, the extrusion force applied to the sealing ring 51 is larger, the sealing ring 51 is further deformed, the sealing capability of the sealing ring 51 is further improved, and when the sealing capability of the sealing ring 51 is further improved, the anti-leakage pressure resistance capability of the installation flange 4 is better.
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 (9)
1. The utility model provides a leak protection pressure-resistant type hydraulically controlled valve, includes hydraulically controlled valve body (1), protective cover (2) and installation ring flange (4), its characterized in that: the hydraulic control valve body (1) up end is installed protective cover (2), terminal surface symmetry fixedly connected with installation flange dish (4) about hydraulic control valve body (1), installation flange dish (4) right-hand member face is provided with seal assembly (5), and seal assembly (5) are used for sealing installation flange dish (4), installation flange dish (4) inside is provided with extrusion subassembly (3) that are used for improving seal assembly (5) leakproofness.
2. The leak-proof pressure-resistant pilot operated valve of claim 1, wherein: seal assembly (5) are including sealing washer (51), extrusion spring (53), seal chamber (54) and pushing ring (55), seal chamber (54) have been seted up to mounting flange dish (4) right-hand member face, seal chamber (54) inside right side inlays and is equipped with sealing washer (51), seal chamber (54) inside inlays and is equipped with pushing ring (55), pushing ring (55) left end face is provided with extrusion spring (53).
3. The leak-proof pressure-resistant pilot operated valve of claim 2, wherein: the extrusion assembly (3) comprises an adjusting rod (32), an anti-falling cover (33), an extrusion block (34), a limiting cavity (35) and a compression ring (37), wherein the limiting cavity (35) is formed in the upper side of the inside of the mounting flange plate (4), the adjusting rod (32) is arranged in the limiting cavity (35), the extrusion block (34) is arranged at the lower end of the adjusting rod (32), the anti-falling cover (33) is arranged on the upper end face of the extrusion block (34), and the compression ring (37) is attached to the right side of the lower end face of the extrusion block (34).
4. A leak-proof pressure-resistant pilot operated valve as set forth in claim 3 wherein: the pushing ring (55) is provided with a first inner sealing gasket (52) on the right end face, and the pressing ring (37) is provided with a second inner sealing gasket (56) on the right end face.
5. The leak-proof pressure-resistant pilot operated valve of claim 4, wherein: the first inner sealing gasket (52) and the second inner sealing gasket (56) are annular, and the first inner sealing gasket (52) and the second inner sealing gasket (56) are made of ethylene propylene rubber.
6. A leak-proof pressure-resistant pilot operated valve as set forth in claim 3 wherein: through holes (36) are formed in the upper side and the lower side of the annular side face of the mounting flange plate (4), a follow-up block (321) is arranged at the bottom of the adjusting rod (32), and a rotating cap (31) is arranged on the upper end face of the adjusting rod (32).
7. The leak-proof pressure-resistant pilot operated valve of claim 6, wherein: the inside internal thread that is provided with of through-hole (36), adjust pole (32) annular side and be provided with the external screw thread, and external screw thread and internal screw thread mesh, through-hole (36) are offered respectively symmetry in mounting flange (4) annular side upper and lower both sides and front and back both sides, change cap (31) shape and be the hexagon.
8. A leak-proof pressure-resistant pilot operated valve as set forth in claim 3 wherein: the sealing cavity (54) is communicated with the limiting cavity (35), and the extrusion springs (53) are symmetrically arranged on the upper side, the lower side, the front side and the rear side of the inside of the sealing cavity (54) respectively.
9. The leak-proof pressure-resistant pilot operated valve of claim 1, wherein: mounting holes (41) are symmetrically formed in the front side and the rear side of the inside of the mounting flange plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322099691.2U CN220470752U (en) | 2023-08-07 | 2023-08-07 | Leak-proof pressure-resistant hydraulic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322099691.2U CN220470752U (en) | 2023-08-07 | 2023-08-07 | Leak-proof pressure-resistant hydraulic control valve |
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| Publication Number | Publication Date |
|---|---|
| CN220470752U true CN220470752U (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322099691.2U Active CN220470752U (en) | 2023-08-07 | 2023-08-07 | Leak-proof pressure-resistant hydraulic control valve |
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| Country | Link |
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| CN (1) | CN220470752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117739180A (en) * | 2024-02-19 | 2024-03-22 | 安徽省农业科学院农业工程研究所 | Irrigation pipe connection structure |
-
2023
- 2023-08-07 CN CN202322099691.2U patent/CN220470752U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117739180A (en) * | 2024-02-19 | 2024-03-22 | 安徽省农业科学院农业工程研究所 | Irrigation pipe connection structure |
| CN117739180B (en) * | 2024-02-19 | 2024-05-21 | 安徽省农业科学院农业工程研究所 | Irrigation pipe connection structure |
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