CN220850792U - Stop valve with adjustable flow - Google Patents
Stop valve with adjustable flow Download PDFInfo
- Publication number
- CN220850792U CN220850792U CN202322738823.1U CN202322738823U CN220850792U CN 220850792 U CN220850792 U CN 220850792U CN 202322738823 U CN202322738823 U CN 202322738823U CN 220850792 U CN220850792 U CN 220850792U
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- China
- Prior art keywords
- valve
- cover
- flow
- hole
- sealing
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 238000003825 pressing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 210000000883 ear external Anatomy 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a flow-adjustable stop valve, which comprises a valve seat, a valve rod and a valve cover, wherein an inflow channel and an outflow channel are arranged in the valve seat, an installation table is arranged between the valve seat and the inflow channel corresponding to the inflow channel and the outflow channel, a flow hole is arranged in the center of the installation table, a sealing cover for sealing the flow hole is arranged on the installation table, one end of the valve rod penetrates through the valve cover and then is detachably connected with the sealing cover, a hand wheel is arranged at the other end of the valve rod, a plurality of first diversion holes are arranged on the sealing cover, a baffle cover is arranged on the inner side of the sealing cover, and second diversion holes with the same number as the first diversion holes are arranged on the baffle cover.
Description
Technical Field
The utility model discloses a flow-adjustable stop valve, and belongs to the technical field of valves.
Background
A shut-off valve is one of the most widely used valves. Because the friction force between the sealing surfaces in the opening and closing process is small, the sealing surface is durable, the opening height is small, the manufacturing is easy, the maintenance is convenient, and the sealing surface is not only suitable for medium and low pressure environments, but also suitable for high pressure environments. The closing principle of the stop valve is that the valve rod pressure is used for enabling the valve clack sealing surface to be closely attached to the valve seat sealing surface to prevent medium circulation, and most of the existing stop valves are used for completely blocking or completely controlling fluid flow, so that the flow of the fluid cannot be controlled well.
Disclosure of utility model
The utility model aims to solve the problems in the prior art and provides a flow-adjustable stop valve.
The utility model realizes the purpose through the following technical scheme that the stop valve with adjustable flow comprises a valve seat, a valve rod and a valve cover, wherein an inflow channel and an outflow channel are arranged in the valve seat, an installation table is arranged between the inflow channel and the outflow channel corresponding to the valve seat, a flow hole is arranged in the center of the installation table, a sealing cover for sealing the flow hole is arranged on the installation table, one end of the valve rod penetrates through the valve cover and then is detachably connected with the sealing cover, a hand wheel is arranged at the other end of the valve rod, a plurality of first diversion holes are arranged on the sealing cover, a baffle cover is arranged on the inner side of the sealing cover, second diversion holes with the same number as the first diversion holes are arranged on the baffle cover, a fixing rod connected with the baffle cover is arranged in the valve rod, one end of the fixing rod is in threaded connection with the valve rod, and a knob groove is arranged at the end part of the fixing rod.
Preferably, the first diversion holes and the second diversion holes are all arranged in six according to equal angles, the width of one end of each of the first diversion holes, which is close to the valve rod, is gradually increased towards the outer side, and the sealing cover and the blocking cover are of arc cover structures.
Preferably, the flow hole is of a stepped hole structure, a check piece is arranged on the baffle cover and comprises a baffle, a limit bolt and a spring, one end of the limit bolt penetrates through the baffle and then is in threaded connection with the fixing rod, the spring is sleeved on the outer ear of the limit bolt, and two ends of the spring are respectively abutted against the baffle cover and the baffle.
Preferably, three bolts distributed at 120 degrees are arranged between the sealing cover and the valve rod, and one end of each bolt is provided with a threaded hole.
Preferably, one end of the valve cover, which is close to the valve seat, is provided with a boss, and the valve seat is provided with a sealing ring corresponding to the boss.
Preferably, two lugs are arranged on the valve cover, a pressing sleeve with a convex structure is arranged on the outer side of the valve rod, a connecting bolt with a T-shaped structure is rotatably arranged on the lugs, a nut is arranged at one end of the connecting bolt penetrating through the pressing sleeve, a filling cavity is arranged on the inner side of the valve cover, sealing filler is filled in the filling cavity, and one end of the pressing sleeve is embedded into the filling cavity.
Compared with the prior art, the utility model has the beneficial effects that:
Through setting up sealed cowling, fender cover and dead lever, through rotating the dead lever for keep off the cover and rotate for the sealed cowling, thereby change the position of first water conservancy diversion hole and second water conservancy diversion hole, rely on the coincidence area of both to control the flow of valve fluid, thereby reached the effect of adjusting flow, and the valve still has the function of automatic prevention fluid backward flow.
Drawings
FIG. 1 is a schematic diagram of a flow-adjustable shut-off valve according to the present utility model;
FIG. 2 is a cross-sectional view of a flow-adjustable shut-off valve of the present utility model;
FIG. 3 is a schematic view of the structure of the valve stem, the fixed stem, the seal housing and the shield according to the present utility model;
Reference numerals: 1. a valve seat; 2. a valve cover; 3. a connecting bolt; 4. a nut; 5. a valve stem; 6. a hand wheel; 7. pressing the sleeve; 8. a lug; 9. a check member; 10. an inflow channel; 11. a mounting table; 12. a flow hole; 13. a seal ring; 14. a fixed rod; 15. a knob groove; 16. a boss; 17. a sealing cover; 18. an outflow channel; 19. a shield; 20. a plug pin; 21. a threaded hole; 22. a first deflector aperture; 23. a spring; 24. a baffle; 25. a limit bolt; 26. and a second deflector 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.
As shown in fig. 1-3, the stop valve with adjustable flow comprises a valve seat 1, a valve rod 5 and a valve cover 2, wherein an inflow channel 10 and an outflow channel 18 are arranged in the valve seat 1, a mounting table 11 is arranged between the inflow channel 10 and the outflow channel 18 corresponding to the valve seat 1, a flow hole 12 is arranged in the center of the mounting table 11, a sealing cover 17 for sealing the flow hole 12 is arranged on the mounting table 11, one end of the valve rod 5 penetrates through the valve cover 2 and then is detachably connected with the sealing cover 17, a hand wheel 6 is arranged at the other end of the valve rod 5, a plurality of first diversion holes 22 are arranged on the sealing cover 17, a baffle cover 19 is arranged on the inner side of the sealing cover 17, second diversion holes 26 with the same number as the first diversion holes 22 are arranged on the baffle cover 19, a fixing rod 14 connected with the baffle cover 19 is arranged in the valve rod 5, one end of the fixing rod 14 is in threaded connection with the valve rod 5, and the end of the fixing rod 14 is provided with a knob groove 15.
The first diversion holes 22 and the second diversion holes 26 are all arranged in six according to equal angles, the width of one end, close to the valve rod 5, of each of the first diversion holes 22 and the second diversion holes is gradually increased towards the outer side, the sealing cover 17 and the baffle cover 19 are of arc-shaped cover body structures, the six first diversion holes 22 and the second diversion holes 26 can increase the flow rate of fluid passing through the sealing cover 17, and the sealing cover 17 and the baffle cover 19 of the arc-shaped cover body structures can bear larger fluid pressure without deformation, so that the use strength of the sealing cover 17 and the baffle cover 19 is ensured.
The flow hole 12 is of a stepped hole structure, the check piece 9 is arranged on the baffle cover 19, the check piece 9 comprises a baffle 24, a limit bolt 25 and a spring 23, one end of the limit bolt 25 penetrates through the baffle 24 and then is in threaded connection with the fixed rod 14, the spring 23 is sleeved on the outer ear of the limit bolt 25, two ends of the spring 23 respectively abut against the baffle cover 19 and the baffle 24, when the baffle cover 19 abuts against the mounting table 11, the baffle 24 closes the flow hole 12 under the acting force of the spring 23 at the moment, so that fluid cannot pass through the flow hole 12, and when the fluid has certain pressure, the baffle 24 can be pushed to move upwards by overcoming the elastic force of the spring 23, at the moment, the flow hole 12 is kept in a conducting state, when the first diversion hole 22 and the second diversion hole 26 are partially overlapped, the fluid can smoothly enter the flow channel 18 from the flow channel 10, and when the pressure of the fluid is lost or reduced, the acting force exerted by the spring 23 on the baffle 24 can block the flow hole 12 again, so that the effect of preventing the fluid from flowing back to the flow channel 10 is achieved.
The sealing cover 17 and the valve rod 5 are provided with three bolts 20 which are distributed at 120 degrees, one end of each bolt 20 is provided with a threaded hole 21, and the three bolts 20 can ensure the stability of connection between the sealing cover 17 and the valve rod 5, so that the sealing cover 17 and the valve rod 5 cannot fall off, and meanwhile, the bolts 20 can be conveniently removed through the threaded holes 21, so that the sealing cover 17 and the valve rod 5 are more convenient to assemble and disassemble.
One end of the valve cover 2, which is close to the valve seat 1, is provided with a boss 16, and the valve seat 1 is provided with a sealing ring 13 corresponding to the boss 16, when the valve cover 2 and the valve seat 1 are fastened through bolts, the boss 16 compresses the sealing ring 13, so that the sealing ring 13 deforms, and the condition that fluid leakage does not occur between the valve cover 2 and the valve seat 1 is ensured.
Be provided with two lugs 8 on the valve gap 2, the outside of valve rod 5 is provided with the cover 7 that is protruding font structure, rotates on the lug 8 and installs T shape structure's connecting bolt 3, and connecting bolt 3 passes the one end of cover 7 and is provided with nut 4, and the inboard of valve gap 2 is provided with the filling chamber, fills the intracavity and fills there is sealing filler, presses the one end of cover 7 to imbed to filling intracavity, through knob nut 4 for press cover 7 downwardly moving, and compress tightly the sealing filler in the filling chamber, make the leakproofness between valve rod 5 and the valve gap 2 obtain effectual assurance.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a stop valve with adjustable flow, includes disk seat (1), valve rod (5) and valve gap (2), its characterized in that, be provided with inflow channel (10) and outflow passageway (18) in disk seat (1), and have mount table (11) between disk seat (1) corresponding inflow channel (10) and outflow passageway (18), the center of mount table (11) is provided with flow hole (12), and is provided with sealed cowling (17) that are used for shutoff flow hole (12) on mount table (11), the one end of valve rod (5) passes behind valve gap (2) and can dismantle with sealed cowling (17), and the other end is provided with hand wheel (6), be provided with a plurality of first water conservancy diversion hole (22) on sealed cowling (17), the inboard of sealed cowling (17) is provided with shield (19), be provided with on shield (19) with second water conservancy diversion hole (26) the same with first water conservancy diversion hole (22) quantity, be provided with dead lever (14) that are connected with shield (19) in valve rod (5), dead lever (14) one end and valve rod (5) are connected with screw thread (15).
2. The flow-adjustable stop valve according to claim 1, wherein the first diversion holes (22) and the second diversion holes (26) are arranged in six according to equal angles, the width of one end of each of the first diversion holes, which is close to the valve rod (5), is gradually increased towards the outer side, and the sealing cover (17) and the blocking cover (19) are of arc cover structures.
3. The flow-adjustable stop valve according to claim 2, wherein the flow hole (12) is of a stepped hole structure, the baffle cover (19) is provided with a check piece (9), the check piece (9) comprises a baffle plate (24), a limit bolt (25) and a spring (23), one end of the limit bolt (25) penetrates through the baffle plate (24) and then is in threaded connection with the fixed rod (14), the spring (23) is sleeved on the outer ear of the limit bolt (25), and two ends of the spring (23) are respectively abutted against the baffle cover (19) and the baffle plate (24).
4. A flow-adjustable stop valve according to claim 1, characterized in that three pins (20) distributed at 120 ° are provided between the sealing cap (17) and the valve stem (5), and a threaded hole (21) is provided at one end of the pins (20).
5. A flow-adjustable stop valve according to claim 1, characterized in that one end of the valve cover (2) close to the valve seat (1) is provided with a boss (16), and the valve seat (1) is provided with a sealing ring (13) corresponding to the boss (16).
6. The flow-adjustable stop valve according to claim 1, wherein two lugs (8) are arranged on the valve cover (2), a pressing sleeve (7) with a convex structure is arranged on the outer side of the valve rod (5), a connecting bolt (3) with a T-shaped structure is rotatably arranged on the lugs (8), a nut (4) is arranged at one end of the connecting bolt (3) penetrating through the pressing sleeve (7), a filling cavity is arranged on the inner side of the valve cover (2), sealing filler is filled in the filling cavity, and one end of the pressing sleeve (7) is embedded into the filling cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322738823.1U CN220850792U (en) | 2023-10-12 | 2023-10-12 | Stop valve with adjustable flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322738823.1U CN220850792U (en) | 2023-10-12 | 2023-10-12 | Stop valve with adjustable flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850792U true CN220850792U (en) | 2024-04-26 |
Family
ID=90775885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322738823.1U Active CN220850792U (en) | 2023-10-12 | 2023-10-12 | Stop valve with adjustable flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850792U (en) |
-
2023
- 2023-10-12 CN CN202322738823.1U patent/CN220850792U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |