CN219866278U - Stop valve for power station that leakproofness is strong - Google Patents
Stop valve for power station that leakproofness is strong Download PDFInfo
- Publication number
- CN219866278U CN219866278U CN202320743627.0U CN202320743627U CN219866278U CN 219866278 U CN219866278 U CN 219866278U CN 202320743627 U CN202320743627 U CN 202320743627U CN 219866278 U CN219866278 U CN 219866278U
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- China
- Prior art keywords
- fixedly connected
- valve
- wall
- valve body
- threaded rod
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- 238000007789 sealing Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 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
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a stop valve with high sealing performance for a power station, which comprises a valve body, wherein a water inlet pipe penetrates through and is fixedly connected to the position, close to the bottom, of the left middle of the valve body, a water outlet pipe penetrates through and is fixedly connected to the position, close to the top, of the right middle of the valve body, a mounting flange is fixedly connected to the position, close to the top, of the valve body, a mounting block is fixedly connected to the position of the inner wall of the mounting flange, first threaded rods are fixedly connected to the positions, close to the left side and the right side, of the middle of the top of the mounting block, and a supporting seat is connected to the position between the two first threaded rods in a threaded manner. According to the utility model, the rotating handle is rotated at first, and drives the second threaded rod and the support seat to move downwards, so that the valve clack and the fixed block are driven to move downwards, the valve clack plugs the hole of the valve seat, the fixed block is clamped with the sealing ring, and the double sealing can prevent the valve body from leaking due to large water quantity of the hydropower station.
Description
Technical Field
The utility model relates to the technical field of stop valves, in particular to a stop valve with high sealing performance for a power station.
Background
The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so that when the valve is closed, pressure must be applied to the valve clack so as to force the 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 the valve rod and the 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 in a bending fault.
The water flow of the hydropower station is large, the pipeline is required to be controlled through the stop valve, the problem of pipeline backflow is avoided, the sealing performance of the existing stop valve is single, the overflow of the stop valve is easy to cause due to the large water quantity of the hydropower station, and the existing stop valve is generally connected with the management through a flange or threads and cannot be connected with the water pipe and the valve body quickly.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a stop valve with high tightness for a power station.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a stop valve for power station that leakproofness is strong, includes the valve body, run through and fixedly connected with inlet tube in the middle of the left side of valve body on being close to the bottom position, run through and fixedly connected with outlet pipe in the middle of the right side of valve body on being close to the top position, fixedly connected with mounting flange on the top intermediate position of valve body, fixedly connected with installation piece on the inner wall position of mounting flange, equal fixedly connected with first threaded rod on the middle left and right sides position of top of installation piece, two threaded connection has the supporting seat on the position between the first threaded rod, run through and threaded connection have the second threaded rod on the top intermediate position of supporting seat, fixedly connected with valve seat on the top intermediate position of inlet tube, run through and fixedly connected with sealing washer on the top intermediate position of valve seat, equal fixedly connected with mount cylinder on the outer wall left side of inlet tube and the outer wall right side position of outlet pipe, run through and be provided with evenly distributed's fixed orifices on the outer wall intermediate position of mount cylinder, fixedly connected with spring on the inner wall position of fixed orifices, the slide pad on the slide position on the slide cylinder.
As a further description of the above technical solution:
and nuts are connected to the top of the outer wall of the first threaded rod in a threaded manner.
As a further description of the above technical solution:
and a rotating handle is fixedly connected to the top of the outer wall of the second threaded rod.
As a further description of the above technical solution:
the bottom of the valve clack is fixedly connected with a fixed block close to the outer wall and the fixed block is in sliding connection with the sealing ring.
As a further description of the above technical solution:
and a sliding block is fixedly connected to the middle position of the top of the spring.
As a further description of the above technical solution:
the left side of the sealing gasket is fixedly connected with a threaded cylinder.
As a further description of the above technical solution:
and a limiting hole is formed in the middle position of the outer wall of the sliding cylinder in a penetrating mode and is in sliding connection with the sliding block.
As a further description of the above technical solution:
and a filler is fixedly connected to the middle position of the top of the inner wall of the valve body.
The utility model has the following beneficial effects:
1. according to the utility model, the rotating handle is rotated at first, and drives the second threaded rod and the support seat to move downwards, so that the valve clack and the fixed block are driven to move downwards, the valve clack plugs the hole of the valve seat, the fixed block is clamped with the sealing ring, and the double sealing can prevent the valve body from leaking due to large water quantity of the hydropower station.
2. According to the utility model, the water pipe is fixed on the threaded pipe through the threaded cylinder, the threaded pipe is connected with the threaded cylinder in a threaded way, the installation cylinder is held and slides into the sliding cylinder, the sliding block arranged on the installation cylinder extrudes the spring, and the sliding block is clamped with the limiting hole, so that the quick connection between the water pipe and the valve body is achieved, and the joint of the water inlet pipe and the water outlet pipe and the water pipe can be prevented from leaking through the sealing gasket.
Drawings
FIG. 1 is a perspective view of a high-tightness stop valve for a power station, which is provided by the utility model;
FIG. 2 is a cross-sectional view of a high-tightness stop valve for a power station according to the present utility model;
fig. 3 is an exploded view of a slide tube of a stop valve for a power station, which is provided by the utility model and has high sealing performance.
Legend description:
1. a valve body; 2. a water inlet pipe; 3. a water outlet pipe; 4. a mounting flange; 5. a slide block; 6. a spring; 7. a mounting block; 8. a first threaded rod; 9. a support base; 10. a nut; 11. a second threaded rod; 12. a rotating handle; 13. a valve seat; 14. a seal ring; 15. a valve flap; 16. a fixed block; 17. a filler; 18. a thread cylinder; 19. a sealing gasket; 20. a slide cylinder; 21. a limiting hole; 22. a mounting cylinder; 23. and a fixing hole.
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. 1-3, one embodiment provided by the present utility model is: the utility model provides a stop valve for power station that leakproofness is strong, including valve body 1, run through and fixedly connected with inlet tube 2 on being close to the bottom position in the middle of the left side of valve body 1, run through and fixedly connected with outlet pipe 3 on being close to the top position in the middle of the right side of valve body 1, fixedly connected with mounting flange 4 on the top intermediate position of valve body 1, fixedly connected with installation piece 7 on the inner wall position of mounting flange 4, equal fixedly connected with first threaded rod 8 on the top intermediate left and right sides position of installation piece 7, threaded connection has supporting seat 9 on the position between two first threaded rods 8, run through and threaded connection has second threaded rod 11 on the top intermediate position of supporting seat 9, can install first threaded rod 8 through mounting flange 4, can fix supporting seat 9 through nut 10, fixedly connected with valve clack 15 on the bottom intermediate position of second threaded rod 11, fixedly connected with disk seat 13 on the top position of inlet tube 2, all fixedly connected with mounting cylinder 22 on the outer wall left side of inlet tube 2 and the outer wall right side position of outlet pipe 3, evenly distributed on the intermediate position of mounting cylinder 22 and the outer wall position of mounting cylinder 23 has evenly distributed on the inner wall position of sealing washer 19, sliding pad 19 is connected with sealing pad 19 on the position of sealing washer 19, can take place on the sliding connection position of sliding tube 19.
The nut 10 is connected to the top of the outer wall of the first threaded rod 8 in a threaded manner, the rotating handle 12 is fixedly connected to the top of the outer wall of the second threaded rod 11, the rotating handle 12 is rotated, the rotating handle 12 drives the second threaded rod 11 to move downwards in the supporting seat 9, accordingly, the valve clack 15 and the fixed block 16 are driven to move downwards, the valve clack 15 plugs the cavity of the valve seat 13, the fixed block 16 is clamped with the sealing ring 14, the valve body 1 can be prevented from leaking by double sealing, the fixed block 16 is fixedly connected to the bottom of the valve clack 15 close to the outer wall, the fixed block 16 is in sliding connection with the sealing ring 14, the sliding block 5 is fixedly connected to the middle of the top of the spring 6, the limiting hole 21 is formed in penetrating through the middle of the outer wall of the sliding cylinder 20, the limiting hole 21 is connected with the sliding block 5 in a sliding manner, the water pipe is fixed to the threaded pipe through the threaded cylinder 18, the threaded pipe is connected to the threaded cylinder 18, the installation cylinder 22 is held and slides into the sliding cylinder 20, the sliding block 5 arranged on the installation cylinder 22 extrudes the spring 6, the sliding block 5 is enabled to be connected to the sliding block 5 and the sliding block 21 to the inner wall 1, and the top of the sealing block 1 can be prevented from leaking through the middle of the valve body 17.
Working principle: when the valve is used, the rotary handle 12 is rotated, the rotary handle 12 drives the second threaded rod 11 to move downwards in the supporting seat 9, so that the valve clack 15 and the fixed block 16 are driven to move downwards, the valve clack 15 plugs the cavity of the valve seat 13, the fixed block 16 is clamped with the sealing ring 14, the valve body 1 can be prevented from leaking, the water pipe is fixed on the threaded pipe through the threaded pipe 18, the threaded pipe is connected with the threaded pipe 18 through threads, the mounting cylinder 22 is held and slides into the sliding cylinder 20, the sliding block 5 arranged on the mounting cylinder 22 extrudes the spring 6, the sliding block 5 is clamped with the limiting hole 21, the joint of the water inlet pipe 2, the water outlet pipe 3 and the water pipe can be prevented from leaking through the sealing gasket 19, the top position of the valve body 1 can be prevented from leaking through the filler 17, the first threaded rod 8 can be mounted through the mounting flange 4, and the supporting seat 9 can be fixed through the nut 10.
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 (8)
1. The utility model provides a stop valve for power station that leakproofness is strong, includes valve body (1), its characterized in that: the utility model discloses a water inlet pipe (2) is run through and fixedly connected with in the middle of the left side of valve body (1) near the bottom position, run through and fixedly connected with outlet pipe (3) in the middle of the right side of valve body (1) near the top position, fixedly connected with mounting flange (4) in the middle of the top of valve body (1), fixedly connected with installation piece (7) in the middle of the inner wall position of mounting flange (4), all fixedly connected with first threaded rod (8) in the middle of the top of installation piece (7) left and right sides position, two threaded connection have supporting seat (9) in the position between first threaded rod (8), run through and threaded connection have second threaded rod (11) in the middle of the top of supporting seat (9), fixedly connected with valve clack (15) in the middle of the bottom of second threaded rod (11), fixedly connected with disk seat (13) in the top position of inlet pipe (2), run through and fixedly connected with sealing washer (14) in the middle of the top of disk seat (13), all fixedly connected with first threaded rod (8) in the middle of the top of installation piece (7), threaded connection with second threaded rod (11) in the middle of the top position of the top of valve seat (3), on the right side of outer wall (3) has mounting cylinder (22) evenly distributed on the outer wall (23) and evenly distributed on the inner wall (23) in the middle of the top position, the outer wall of the installation cylinder (22) is connected with a sliding cylinder (20) in a sliding way, and a sealing gasket (19) is fixedly connected to the left side of the sliding cylinder (20).
2. The high-tightness stop valve for power stations according to claim 1, wherein: and nuts (10) are connected to the top of the outer wall of the first threaded rod (8) in a threaded manner.
3. The high-tightness stop valve for power stations according to claim 1, wherein: the top of the outer wall of the second threaded rod (11) is fixedly connected with a rotating handle (12).
4. The high-tightness stop valve for power stations according to claim 1, wherein: the bottom of the valve clack (15) is fixedly connected with a fixed block (16) near the outer wall, and the fixed block (16) is in sliding connection with the sealing ring (14).
5. The high-tightness stop valve for power stations according to claim 1, wherein: the middle position of the top of the spring (6) is fixedly connected with a sliding block (5).
6. The high-tightness stop valve for power stations according to claim 1, wherein: the left side of the sealing gasket (19) is fixedly connected with a threaded cylinder (18).
7. The high-tightness stop valve for power stations according to claim 1, wherein: and a limiting hole (21) is formed in the middle position of the outer wall of the sliding barrel (20) in a penetrating mode, and the limiting hole (21) is connected with the sliding block (5) in a sliding mode.
8. The high-tightness stop valve for power stations according to claim 1, wherein: and a filler (17) is fixedly connected to the middle position of the top of the inner wall of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320743627.0U CN219866278U (en) | 2023-04-06 | 2023-04-06 | Stop valve for power station that leakproofness is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320743627.0U CN219866278U (en) | 2023-04-06 | 2023-04-06 | Stop valve for power station that leakproofness is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866278U true CN219866278U (en) | 2023-10-20 |
Family
ID=88370043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320743627.0U Active CN219866278U (en) | 2023-04-06 | 2023-04-06 | Stop valve for power station that leakproofness is strong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866278U (en) |
-
2023
- 2023-04-06 CN CN202320743627.0U patent/CN219866278U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |