CN214534516U - Novel corrugated pipe sealing stop valve for ammonia - Google Patents
Novel corrugated pipe sealing stop valve for ammonia Download PDFInfo
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- CN214534516U CN214534516U CN202022809493.7U CN202022809493U CN214534516U CN 214534516 U CN214534516 U CN 214534516U CN 202022809493 U CN202022809493 U CN 202022809493U CN 214534516 U CN214534516 U CN 214534516U
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- corrugated pipe
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Abstract
The utility model discloses a novel bellows seal stop valve for ammonia, which comprises a valve body, be fixed in the disk seat in the valve body and be fixed in the valve gap on the valve body, logical groove has been seted up on the valve gap, it is provided with the valve body to lead to the inslot slip, the valve rod sets up the one end in the valve body and is fixed with the case, it is provided with the clamping ring fixed with the valve rod to lead to the inslot slip, the valve rod overcoat has the bellows, logical inslot wall has seted up ring channel one, it is provided with the top cap to slide in the ring channel one, the top cap overcoat is on the valve rod, set up ring channel two on the top cap, place the packings who pastes with the valve rod in the ring channel two, the valve rod overcoat has L shape gland, L shape gland one end slides and sets up in ring channel two, L shape gland passes through bolted connection with the valve gap, the valve rod one end of keeping away from the case is provided with drive assembly, zero leaks, scour prevention and safe and reliable's advantage.
Description
Technical Field
The utility model relates to a valve equipment technical field, in particular to novel bellows seal stop valve for ammonia.
Background
Ammonia gas or liquid ammonia is an important chemical raw material, has the characteristics of easy explosion and easy leakage, and the conventional stop valve cannot meet the requirement of long-term use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel bellows sealing stop valve for ammonia has zero leakage, scour prevention and safe and reliable's advantage.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a novel bellows seal stop valve for ammonia, includes the valve body, is fixed in the disk seat in the valve body and is fixed in the valve gap on the valve body, logical inslot has been seted up and has been led to the groove, it is provided with the valve body to lead to the inslot slip, the valve rod sets up the one end in the valve body and is fixed with the case, it is provided with the clamping ring fixed with the valve rod to lead to the inslot slip, the valve rod overcoat has the bellows, it has ring channel one to lead to the inslot wall, it is provided with the top cap to slide in the ring channel one, the top cap overcoat is on the valve rod, ring channel two has been seted up, place the sealing filler who pastes mutually with the valve rod in the ring channel two, the valve rod overcoat has L shape gland, L shape gland one end slides and sets up in ring channel two, L shape gland passes through bolted connection with the valve gap, the one end that the case was kept away from to the valve rod is provided with drive assembly.
By adopting the technical scheme, the medium passes through the valve body, after entering the valve after throttling of the valve seat and the valve core, when the valve is to be opened, the driving assembly is started, the driving assembly drives the valve rod to move upwards, the valve rod moves to drive the pressing ring to move upwards, the pressing ring drives the corrugated pipe to compress, the corrugated pipe compresses to generate elastic force, the valve rod drives the valve core to move upwards, after the valve core is far away from the valve seat, the medium normally passes through a valve seat channel, the valve is opened, when the valve is to be closed, the driving assembly is reversely started, the driving assembly drives the valve rod to move downwards, the valve rod moves to drive the valve core to move towards the valve seat until the valve core is tightly pressed by contact with the valve seat, a medium flow channel is blocked, the valve is closed, and the sealing filler is pressed in the top cover by the L-shaped pressing cover.
Preferably, the driving assembly comprises a threaded rod and a sliding plate, a stand column is fixed on the valve cover, a driving plate is fixed at one end, away from the valve cover, of the stand column through a bolt, the threaded rod penetrates through the driving plate and is in threaded fit with the driving plate, the sliding plate is arranged on one side of the stand column in a sliding mode, a T-shaped round block I is arranged at the upper end of the sliding plate in a rotating mode, the lower end of the threaded rod is in rotating fit with the T-shaped round block I, and the upper end of the valve rod is fixed with the sliding plate.
By adopting the technical scheme, as the drive plate is fixed, the threaded rod moves downwards while rotating, the threaded rod moves to drive the sliding plate to move downwards, and the sliding plate moves to drive the valve rod to move, so that the function of driving the valve rod to move is achieved.
Preferably, the valve core is made of polytetrafluoroethylene materials, and 316 materials are wrapped inside and outside the valve core.
By adopting the technical scheme, the polytetrafluoroethylene has the characteristics of corrosion resistance and sealing property, and the 316 material has the corrosion resistance.
Preferably, the valve core is provided with a diversion trench.
By adopting the technical scheme, the medium can be prevented from scouring the valve core when flowing through the valve core, thereby prolonging the service life.
Preferably, the valve core is movably connected with the valve rod.
By adopting the technical scheme, the loose joint has the advantages of convenient installation and disassembly.
Preferably, a hand wheel is fixed to one end of the threaded rod.
By adopting the technical scheme, the hand wheel is rotated to drive the threaded rod to rotate, so that the effect of facilitating the rotation of the threaded rod is achieved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
fig. 2 is a schematic diagram for showing positions of the valve rod, the valve core and the guide groove.
Reference numerals: 1. a valve body; 2. a valve seat; 3. a valve cover; 4. a through groove; 5. a valve stem; 6. a valve core; 7. pressing a ring; 8. a bellows; 9. a first annular groove; 10. a top cover; 11. a second annular groove; 12. sealing and filling; 13. an L-shaped gland; 14. a drive assembly; 15. a threaded rod; 16. a slide plate; 17. a column; 18. a drive plate; 19. a first T-shaped round block; 20. a diversion trench; 21. a handwheel.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
Referring to fig. 1 to 2, a novel corrugated pipe sealing stop valve for ammonia comprises a valve body 1, a valve seat 2 fixed in the valve body 1 and a valve cover 3 fixed on the valve body 1, wherein a through groove 4 is formed on the valve cover 3, the valve body 1 is arranged in the through groove 4 in a sliding manner, a valve core 6 is fixed at one end of a valve rod 5 arranged in the valve body 1, a medium passes through the valve body 1 and enters the valve after throttling of the valve seat 2 and the valve core 6, a driving component 14 is arranged at one end of the valve rod 5 far away from the valve core 6, the driving component 14 comprises a threaded rod 15 and a sliding plate 16, an upright post 17 is fixed on the valve cover 3, a driving plate 18 is fixed at one end of the upright post 17 far away from the valve cover 3 through a bolt, the threaded rod 15 penetrates through the driving plate 18, the threaded rod 15 is in threaded fit with the driving plate 18, a hand wheel 21 is fixed at one end of the threaded rod 15, when the valve is opened, the hand wheel 21 is rotated to drive the hand wheel 15 to rotate, because the drive plate 18 is fixed, the threaded rod 15 moves upwards while rotating, the sliding plate 16 is arranged on one side of the upright post 17 in a sliding mode, the upper end of the sliding plate 16 is rotatably provided with a T-shaped round block I19, the lower end of the threaded rod 15 is in rotating fit with the T-shaped round block I19, the upper end of the valve rod 5 is fixed with the sliding plate 16, the threaded rod 15 moves to drive the T-shaped round block I19 to move upwards, the T-shaped round block I19 moves upwards to drive the sliding plate 16 to move upwards, the sliding plate 16 drives the valve rod 5 to move upwards, the through groove 4 is provided with a pressing ring 7 fixed with the valve rod 5 in a sliding mode, the valve rod 5 is externally sleeved with a corrugated pipe 8, the valve rod 5 moves to drive the pressing ring 7 to move upwards, the pressing ring 7 drives the corrugated pipe 8 to compress, the corrugated pipe 8 compresses to generate elasticity, the valve rod 5 drives the valve core 6 to move upwards, and after the valve core 6 is far away from the valve seat 2, a medium normally passes through the channel of the valve seat 2, and the valve is opened. When the valve is to be closed, the hand wheel 21 is rotated reversely, the hand wheel 21 rotates to drive the threaded rod 15 to rotate reversely, the drive plate 18 is fixed, the threaded rod 15 moves downwards while rotating, the threaded rod 15 moves to drive the first T-shaped round block 19 to move downwards, the first T-shaped round block 19 moves downwards to drive the sliding plate 16 to move downwards, the sliding plate 16 drives the valve rod 5 to move downwards along with the elasticity of the corrugated pipe 8, the valve rod 5 drives the valve core 6 to move downwards, until the valve core 6 is tightly contacted with the valve seat 2, a medium flow channel is blocked, and the valve is closed.
As shown in fig. 1, a first annular groove 9 is formed in the inner wall of the through groove 4, a top cover 10 is slidably disposed in the first annular groove 9, the top cover 10 is sleeved on the valve rod 5, a second annular groove 11 is formed in the top cover 10, a sealing filler 12 attached to the valve rod 5 is disposed in the second annular groove 11, an L-shaped gland 13 is sleeved outside the valve rod 5, one end of the L-shaped gland 13 is slidably disposed in the second annular groove 11, the L-shaped gland 13 is connected with the valve cover 3 through a bolt, the sealing filler 12 is pressed in the top cover 10 by the L-shaped gland 13, secondary sealing can be achieved, and in case of a rupture of the corrugated pipe 8, the sealing filler 12 can be used for sealing.
As shown in fig. 1, the valve core 6 is made of polytetrafluoroethylene, 316 materials are wrapped inside and outside the valve core 6, the polytetrafluoroethylene has the characteristics of corrosion resistance and sealing performance, and the 316 materials have corrosion resistance; the valve core 6 is provided with a diversion trench 20, so that the valve core 6 can be prevented from being washed when a medium flows through the valve core 6, and the service life is prolonged; the valve core 6 is movably connected with the valve rod 5, and the movable connection has the advantage of convenient installation and disassembly.
Claims (6)
1. A novel corrugated pipe sealing stop valve for ammonia comprises a valve body (1), a valve seat (2) fixed in the valve body (1) and a valve cover (3) fixed on the valve body (1), and is characterized in that a through groove (4) is formed in the valve cover (3), the valve body (1) is arranged in the through groove (4) in a sliding manner, a valve core (6) is fixed at one end of the valve rod (5) arranged in the valve body (1), a pressing ring (7) fixed with the valve rod (5) is arranged in the through groove (4) in a sliding manner, a corrugated pipe (8) is sleeved outside the valve rod (5), a first annular groove (9) is formed in the inner wall of the through groove (4), a top cover (10) is arranged in the first annular groove (9) in a sliding manner, the top cover (10) is sleeved on the valve rod (5), a second annular groove (11) is formed in the top cover (10), and sealing filler (12) attached to the valve rod (5) is placed in the second annular groove (11), the valve rod (5) is sleeved with an L-shaped gland (13), one end of the L-shaped gland (13) is arranged in the second annular groove (11) in a sliding mode, the L-shaped gland (13) is connected with the valve cover (3) through a bolt, and one end, far away from the valve core (6), of the valve rod (5) is provided with a driving assembly (14).
2. The novel corrugated pipe sealing stop valve for ammonia according to claim 1, characterized in that the driving assembly (14) comprises a threaded rod (15) and a sliding plate (16), an upright post (17) is fixed on the valve cover (3), a driving plate (18) is fixed on one end, away from the valve cover (3), of the upright post (17) through a bolt, the threaded rod (15) penetrates through the driving plate (18) and the threaded rod (15) is in threaded fit with the driving plate (18), the sliding plate (16) is slidably arranged on one side of the upright post (17), a T-shaped round block I (19) is rotatably arranged at the upper end of the sliding plate (16), the lower end of the threaded rod (15) is in rotatable fit with the T-shaped round block I (19), and the upper end of the valve rod (5) is fixed with the sliding plate (16).
3. The novel corrugated pipe sealing stop valve for ammonia according to claim 2, characterized in that the valve core (6) is made of polytetrafluoroethylene material, and 316 materials are wrapped inside and outside the valve core (6).
4. The novel corrugated pipe sealing stop valve for ammonia according to claim 3, characterized in that the valve core (6) is provided with a guide groove (20).
5. The novel corrugated pipe sealing stop valve for ammonia according to claim 4, characterized in that the valve core (6) is movably connected with the valve rod (5).
6. The novel corrugated pipe sealing stop valve for ammonia as claimed in claim 5, characterized in that a hand wheel (21) is fixed at one end of the threaded rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022809493.7U CN214534516U (en) | 2020-11-28 | 2020-11-28 | Novel corrugated pipe sealing stop valve for ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022809493.7U CN214534516U (en) | 2020-11-28 | 2020-11-28 | Novel corrugated pipe sealing stop valve for ammonia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214534516U true CN214534516U (en) | 2021-10-29 |
Family
ID=78288622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022809493.7U Active CN214534516U (en) | 2020-11-28 | 2020-11-28 | Novel corrugated pipe sealing stop valve for ammonia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214534516U (en) |
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2020
- 2020-11-28 CN CN202022809493.7U patent/CN214534516U/en active Active
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