CN213451724U - Anti-corrosion stop valve - Google Patents
Anti-corrosion stop valve Download PDFInfo
- Publication number
- CN213451724U CN213451724U CN202022359377.XU CN202022359377U CN213451724U CN 213451724 U CN213451724 U CN 213451724U CN 202022359377 U CN202022359377 U CN 202022359377U CN 213451724 U CN213451724 U CN 213451724U
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- Prior art keywords
- valve
- rod
- sealing ring
- seat
- valve rod
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- 238000005260 corrosion Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 104
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 8
- 239000011701 zinc Substances 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- 238000012856 packing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
An anti-corrosion stop valve comprises a valve body, a valve seat assembly, a hand wheel and a valve rod assembly, wherein the valve rod assembly comprises a first valve rod and a second valve rod, a rubber sleeve is arranged at the bottom of the second valve seat, a valve clack is arranged at the bottom end of the second valve rod, the valve clack comprises a boss and a sealing part, the outer wall of the boss is obliquely arranged, a third sealing ring and a fourth sealing ring are arranged on the sealing part, a fifth sealing ring and a sixth sealing ring are arranged on the valve body, a fixing pipe, an installation cap and a zinc rod are arranged on the valve body, the second valve rod is arranged inside the first valve rod and can avoid the exposure of the valve rod, a sealing spring can compress the first sealing ring, the rubber sleeve is added, the sealing effect is better, the third sealing ring and the fifth sealing ring are eroded by water flow and cannot play a sealing role, and the fourth sealing ring and the sixth sealing ring can, the service life of the valve clack is prolonged, the zinc rod is used as an anode to be sacrificed to protect the valve body, and the zinc rod is easy to replace.
Description
Technical Field
The utility model relates to an equipment for cut-off technical field, more specifically say, relate to an anticorrosion stop valve.
Background
The stop valve is a tool for tightly attaching a valve clack sealing surface and a valve seat sealing surface by means of valve rod pressure to prevent medium circulation, belongs to a forced sealing type valve, and is one of the most widely used valves.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide an anticorrosion stop valve to solve the technical problem who mentions in the background art.
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides an anti-corrosion stop valve, includes valve body, valve seat subassembly, hand wheel and valve rod subassembly, valve seat subassembly and valve body fixed connection, the valve seat subassembly includes first disk seat and second disk seat, first disk seat and second disk seat threaded connection, the top of first disk seat is provided with valve cap, packing ring and filler setting are inside first disk seat, valve cap and first disk seat threaded connection, valve rod subassembly passes first disk seat and second disk seat, inside first sealing washer and the sealing spring of being provided with of second disk seat, valve rod subassembly includes first valve rod and second valve rod, first valve rod passes valve cap and hand wheel connection, the packing ring cup joints on first valve rod, the one end setting of second valve rod is inside first valve rod, second valve rod and first valve rod threaded connection, be provided with the spacing collar on the second valve rod, the sealing spring is arranged on the second valve rod between the limiting ring and the first sealing ring, the bottom of the second valve seat is provided with a rubber sleeve, the two ends of the rubber sleeve are respectively provided with a second sealing ring, the bottom end of the second valve rod penetrates through the rubber sleeve, the bottom end of the second valve rod is provided with a valve clack, the upper surface of the valve clack is provided with a mounting seat, the two ends of the rubber sleeve are respectively fixedly connected with the mounting seat or the second valve seat, the mounting seat is fixedly connected with the bottom end of the second valve rod, the valve clack comprises a bulge and a sealing part, the outer wall of the bulge is obliquely arranged, the sealing part is provided with a third sealing ring and a fourth sealing ring, the valve body is provided with a fifth sealing ring and a sixth sealing ring, the third sealing ring and the fifth sealing ring are correspondingly arranged, and the fourth sealing ring and the sixth sealing ring are correspondingly arranged, the outer wall of valve body is provided with the mounting hole, be provided with the anticorrosion subassembly on the valve body, the anticorrosion subassembly of telling includes fixed pipe, installation cap and zinc bar, installation cap and fixed pipe threaded connection, fixed pipe and valve body fixed connection, the one end and the installation cap fixed connection of zinc bar, the other end passes fixed pipe and mounting hole.
In any of the above schemes, preferably, the second valve rod is provided with a plurality of sliding blocks, the inner wall of the second valve seat is provided with a plurality of sliding grooves, and the sliding blocks are arranged inside the sliding grooves.
In any of the above aspects, preferably, the first valve stem and the first valve seat are connected by a bearing.
In any of the above aspects, preferably, a seventh sealing ring is provided in the mounting cap.
In any of the above aspects, preferably, the second valve seat and the valve body are connected by a bolt.
In any of the above schemes, preferably, the hand wheel includes an inner wheel, an outer wheel and a plurality of connecting rods, two ends of the connecting rods are respectively connected with the inner wheel or the outer wheel, and the inner wheel is in threaded connection with the first valve rod.
In any of the above aspects, preferably, the outer wheel is provided with an anti-slip sleeve.
In any of the above aspects, preferably, the rubber sleeve may be stretch-folded.
Compared with the prior art, the utility model has the advantages of:
the utility model forms a primary battery through the zinc bar, the valve body and the liquid in the valve body, the zinc bar is sacrificed as the anode, only the zinc bar needs to be replaced periodically, the sealing spring compresses the first sealing ring, so that the liquid in the valve body can not easily enter the first valve seat, the two ends of the rubber sleeve are connected with the mounting seat or the first valve seat, and the rubber sleeve can be folded in a telescopic way, so as to further seal the gap between the second valve rod and the second valve seat, so that the sealing effect is better, when the valve clack is opened, the water flow can firstly wash the third sealing ring and the fifth sealing ring, at the moment, the water flow speed is faster, the damage to the third sealing ring and the fifth sealing ring is larger, when the water flow passes through the fourth sealing ring and the sixth sealing ring, the damage to the fourth sealing ring and the sixth sealing ring is smaller, when the third sealing ring and the fifth sealing ring can not play a, the fourth sealing ring and the sixth sealing ring which are relatively good are used for sealing, the service life of the valve clack is prolonged, the distance between the edge of the bulge and the valve body is increased along with the lifting of the valve clack, the speed of water flow can be changed along with the increase of the distance between the edge of the bulge and the valve body, and the effect of adjusting the flow speed is achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of A in FIG. 1;
FIG. 3 is an enlarged view of a portion of B in FIG. 1;
FIG. 4 is an enlarged view of a portion of C in FIG. 1;
fig. 5 is a schematic structural diagram of the hand wheel of the present invention.
The reference numbers in the figures illustrate:
1. a valve body; 2. a hand wheel; 3. a first valve seat; 4. a second valve seat; 5. a bonnet; 6. a gasket; 7. a filler; 8. a first seal ring; 9. a seal spring; 10. a first valve stem; 11. a second valve stem; 12. a limiting ring; 13. a rubber sleeve; 14. a second seal ring; 15. a mounting seat; 16. a boss portion; 17. a sealing part; 18. a third seal ring; 19. a fourth seal ring; 20. a fifth seal ring; 21. a sixth seal ring; 22. mounting holes; 23. a fixed tube; 24. installing a cap; 25. a zinc rod; 26. a slider; 27. a chute; 28. a seventh seal ring; 29. an inner wheel; 30. an outer wheel; 31. a connecting rod.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Example (b):
referring to fig. 1 to 5, an anti-corrosion stop valve includes a valve body 1, a valve seat assembly, a hand wheel 2 and a valve stem assembly, the valve seat assembly is fixedly connected with the valve body 1, the valve seat assembly includes a first valve seat 3 and a second valve seat 4, the first valve seat 3 is in threaded connection with the second valve seat 4, a bonnet 5, a gasket 6 and a packing 7 are disposed on the top of the first valve seat 3, the gasket 6 and the packing 7 are disposed inside the first valve seat 3, the bonnet 5 is in threaded connection with the first valve seat 3, the valve stem assembly passes through the first valve seat 3 and the second valve seat 4, a first sealing ring 8 and a sealing spring 9 are disposed inside the second valve seat 4, the valve stem assembly includes a first valve stem 10 and a second valve stem 11, the first valve stem 10 passes through the bonnet 5 and is connected with the hand wheel 2, the gasket 6 is sleeved on the first valve stem 10, one end of the second valve stem 11 is disposed inside the first valve stem 10, the second valve rod 11 is in threaded connection with the first valve rod 10, a limiting ring 12 is arranged on the second valve rod 11, the sealing spring 9 is arranged on the second valve rod 11 between the limiting ring 12 and the first sealing ring 8, a rubber sleeve 13 is arranged at the bottom of the second valve seat 4, second sealing rings 14 are arranged at two ends of the rubber sleeve 13, the bottom end of the second valve rod 11 penetrates through the rubber sleeve 13, a valve flap is arranged at the bottom end of the second valve rod 11, an installation seat 15 is arranged on the upper surface of the valve flap, two ends of the rubber sleeve 13 are fixedly connected with the installation seat 15 or the second valve seat 4 respectively, the installation seat 15 is fixedly connected with the bottom end of the second valve rod 11, the valve flap comprises a protruding portion 16 and a sealing portion 17, the outer wall of the protruding portion 16 is arranged in an inclined manner, and a third sealing ring 18 and a fourth sealing ring 19 are arranged on the sealing portion 17, be provided with fifth sealing washer 20 and sixth sealing washer 21 on the valve body 1, third sealing washer 18 and fifth sealing washer 20 correspond the setting, fourth sealing washer 19 and sixth sealing washer 21 correspond the setting, the outer wall of valve body 1 is provided with mounting hole 22, be provided with the anticorrosion subassembly on the valve body 1, the anticorrosion subassembly of telling includes fixed pipe 23, installation cap 24 and zinc bar 25, installation cap 24 and fixed 23 threaded connection of pipe, fixed pipe 23 and 1 fixed connection of valve body, the one end and the installation cap 24 fixed connection of zinc bar 25, the other end passes fixed pipe 23 and mounting hole 22.
In the embodiment of the present invention: the second valve rod 11 is provided with a plurality of sliding blocks 26, the inner wall of the second valve seat 4 is provided with a plurality of sliding grooves 27, and the sliding blocks 26 are arranged inside the sliding grooves 27. The slide block 26 and the slide groove 27 allow the second valve rod 11 to move up and down in the second valve seat 4, but not rotate, so that the second valve rod 11 does not move up and down while the first valve rod 10 is prevented from rotating.
In the embodiment of the present invention: the first valve stem 10 and the first valve seat 3 are connected by a bearing. The bearing connection enables the first valve stem 10 to rotate in the first valve seat 3 and also enables the first valve stem 10 to be fixed.
In the embodiment of the present invention: a seventh sealing ring 28 is arranged in the mounting cap 24. The seventh packing 28 seals the gap between the mounting cap 24 and the fixing tube 23 to prevent liquid from leaking through the gap between the fixing tube 23 and the mounting cap 24.
In the embodiment of the present invention: the second valve seat 4 and the valve body 1 are connected through bolts. The bolt connection can fix the second valve seat 4 and the valve body 1, the fixing effect is good enough, and the disassembly is convenient.
In the embodiment of the present invention: the hand wheel 2 comprises an inner wheel 29, an outer wheel 30 and a plurality of connecting rods 31, two ends of each connecting rod 31 are respectively connected with the inner wheel 29 or the outer wheel 30, and the inner wheel 29 is in threaded connection with the first valve rod 10. The first valve rod 10 can be rotated by rotating the hand wheel 2, the second valve rod 11 is lifted, the valve clack is lifted, and the stop valve is opened and closed.
In the embodiment of the present invention: the outer wheel 30 is provided with an anti-slip sleeve. The anti-slip sleeve can avoid slipping.
In the embodiment of the present invention: the rubber sleeve 13 may be stretch-folded. The rubber sleeve 13 has elasticity, can be enough long and not broken by the stay cord, can compress it, and the rubber sleeve 13 can avoid the inside liquid of second valve rod 11 direct contact valve body 1, avoids second valve rod 11 to be corroded, also can avoid inside liquid gets into second valve seat 4.
The utility model discloses a theory of operation: when the sealing valve is used, the hand wheel 2 is rotated, the hand wheel 2 drives the first valve rod 10 to rotate, because the first valve rod 10 is fixed at one position, when the first valve rod 10 rotates, the second valve rod 11 only moves up and down along the sliding groove 27 due to the sliding block 26, the second valve rod 11 drives the valve clack to move up and down, so that the stop valve is closed or opened, the rubber sleeve 13 between the mounting seat 15 and the second valve seat 4 can move up and down along with the valve clack, and further stretch or fold, two ends of the rubber sleeve 13 are in sealing connection with the mounting seat 15 or the second valve seat 4, so that liquid in the valve body 1 can not contact with the second valve rod 11, a good sealing effect is achieved, the limiting ring 12 can extrude the sealing spring 9, the sealing spring 9 extrudes the first sealing ring 8 by means of elastic force, the first sealing ring 8 achieves a good sealing effect, and the filler 7 in the first valve seat 3 also achieves a sealing effect, so that external rainwater or other liquid cannot enter the first valve seat 3, when the valve flap rises, water flow firstly impacts the third sealing ring 18 and the fifth sealing ring 20, the water flow speed after impact is reduced, at the moment, the damage of the water flow to the third sealing ring 18 and the fifth sealing ring 20 is large, the water flow speed is reduced, the water flow impacts the fourth sealing ring 19 and the sixth sealing ring 21, at the moment, the damage of the water flow to the fourth sealing ring 19 and the sixth sealing ring 21 is reduced, when the third sealing ring 18 and the fifth sealing ring 20 cannot play a sealing role, the fourth sealing ring 19 and the sixth sealing ring 21 can be used next, the service life of the valve flap is greatly prolonged, in the rising process of the valve flap, the horizontal distance between the outer surface of the bulge part 16 of the valve flap and the valve body 1 is increased, the water flow speed is increased along with the valve flap until the maximum, when the valve clack stops at a certain position, the water flow speed is fixed, when liquid flows through the valve body 1, the zinc rod 25 and the valve body 1 form a primary battery, the valve body 1 is protected by sacrificing the zinc rod 25, the zinc rod 25 is replaced after the zinc rod 25 is corroded to a certain degree, the mounting cap 24 is detached when the zinc rod 25 is replaced, the old zinc rod 25 is detached, a new zinc rod 25 is mounted, and the mounting cap 24 is mounted on the fixed pipe 23.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (7)
1. The utility model provides an anticorrosion stop valve, includes valve body (1), disk seat subassembly, hand wheel (2) and valve rod set spare, disk seat subassembly and valve body (1) fixed connection, its characterized in that: the valve seat assembly comprises a first valve seat (3) and a second valve seat (4), the first valve seat (3) is in threaded connection with the second valve seat (4), the top of the first valve seat (3) is provided with a valve cap (5), a gasket (6) and a filler (7), the gasket (6) and the filler (7) are arranged inside the first valve seat (3), the valve cap (5) is in threaded connection with the first valve seat (3), the valve rod assembly penetrates through the first valve seat (3) and the second valve seat (4), a first sealing ring (8) and a sealing spring (9) are arranged inside the second valve seat (4), the valve rod assembly comprises a first valve rod (10) and a second valve rod (11), the first valve rod (10) penetrates through the valve cap (5) and the hand wheel (2) to be connected, the gasket (6) is sleeved on the first valve rod (10), one end of the second valve rod (11) is arranged inside the first valve rod (10), the valve comprises a second valve rod (11) and a first valve rod (10) which are in threaded connection, wherein a limiting ring (12) is arranged on the second valve rod (11), a sealing spring (9) is arranged on the second valve rod (11) between the limiting ring (12) and a first sealing ring (8), a rubber sleeve (13) is arranged at the bottom of a second valve seat (4), second sealing rings (14) are arranged at two ends of the rubber sleeve (13), the bottom end of the second valve rod (11) penetrates through the rubber sleeve (13), a valve flap is arranged at the bottom end of the second valve rod (11), a mounting seat (15) is arranged on the upper surface of the valve flap, two ends of the rubber sleeve (13) are fixedly connected with the mounting seat (15) or the second valve seat (4) respectively, the mounting seat (15) is fixedly connected with the bottom end of the second valve rod (11), and the valve flap comprises a protruding portion (16) and a sealing portion (17), the outer wall of the bulge part (16) is obliquely arranged, a third sealing ring (18) and a fourth sealing ring (19) are arranged on the sealing part (17), a fifth sealing ring (20) and a sixth sealing ring (21) are arranged on the valve body (1), the third sealing ring (18) and the fifth sealing ring (20) are correspondingly arranged, the fourth sealing ring (19) and the sixth sealing ring (21) are correspondingly arranged, the outer wall of the valve body (1) is provided with a mounting hole (22), the valve body (1) is provided with an anti-corrosion assembly, the anti-corrosion assembly comprises a fixed pipe (23), a mounting cap (24) and a zinc rod (25), the mounting cap (24) is in threaded connection with the fixed pipe (23), the fixed pipe (23) is fixedly connected with the valve body (1), one end of the zinc rod (25) is fixedly connected with the mounting cap (24), and the other end of the zinc rod penetrates through the fixing pipe (23) and the mounting hole (22).
2. An anti-corrosion shut-off valve according to claim 1, characterized in that: the second valve rod (11) is provided with a plurality of sliding blocks (26), the inner wall of the second valve seat (4) is provided with a plurality of sliding grooves (27), and the sliding blocks (26) are arranged inside the sliding grooves (27).
3. An anti-corrosion shut-off valve according to claim 1, characterized in that: the first valve rod (10) is connected with the first valve seat (3) through a bearing.
4. An anti-corrosion shut-off valve according to claim 1, characterized in that: and a seventh sealing ring (28) is arranged in the mounting cap (24).
5. An anti-corrosion shut-off valve according to claim 1, characterized in that: the second valve seat (4) is connected with the valve body (1) through a bolt.
6. An anti-corrosion shut-off valve according to claim 1, characterized in that: the hand wheel (2) comprises an inner wheel (29), an outer wheel (30) and a plurality of connecting rods (31), two ends of each connecting rod (31) are connected with the inner wheel (29) or the outer wheel (30) respectively, and the inner wheel (29) is in threaded connection with the first valve rod (10).
7. An anti-corrosion shut-off valve according to claim 6, characterized in that: and an anti-slip sleeve is arranged on the outer wheel (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022359377.XU CN213451724U (en) | 2020-10-21 | 2020-10-21 | Anti-corrosion stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022359377.XU CN213451724U (en) | 2020-10-21 | 2020-10-21 | Anti-corrosion stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213451724U true CN213451724U (en) | 2021-06-15 |
Family
ID=76293284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022359377.XU Active CN213451724U (en) | 2020-10-21 | 2020-10-21 | Anti-corrosion stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213451724U (en) |
-
2020
- 2020-10-21 CN CN202022359377.XU patent/CN213451724U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Zhongni Machinery Technology Co.,Ltd. Assignor: YANCHENG XINGHUO VALVE MANUFACTURING CO.,LTD. Contract record no.: X2023980045734 Denomination of utility model: A corrosion-resistant shut-off valve Granted publication date: 20210615 License type: Common License Record date: 20231107 |