CN214222086U - Low-temperature discharge valve - Google Patents
Low-temperature discharge valve Download PDFInfo
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- CN214222086U CN214222086U CN202022715018.3U CN202022715018U CN214222086U CN 214222086 U CN214222086 U CN 214222086U CN 202022715018 U CN202022715018 U CN 202022715018U CN 214222086 U CN214222086 U CN 214222086U
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Abstract
The utility model discloses a low temperature baiting valve, including actuating mechanism, still include disk seat and Y shape valve body, the disk seat is fixed with Y shape valve body, be fixed with the valve body flange on the Y shape valve body, there is jar body flange through the bolt fastening on the valve body flange, Y shape valve body lower extreme has the valve gap through the bolt fastening, it is provided with the valve rod to slide in Y shape valve body and the valve gap, the valve rod upper end has the case through the bolt fastening, the valve gap inboard is provided with seal assembly, the valve gap lower extreme is fixed with actuating mechanism, ring channel one has been seted up to valve gap lower extreme inner wall, the packing has been placed in the ring channel one, the packing is pasted tightly with a ring channel inner wall and valve rod, it is provided with gland to slide in the ring channel one, gland passes through the bolt fastening with the valve gap, have and do not produce the hydrops and can the advantage that uses under the low temperature state.
Description
Technical Field
The utility model relates to a valve equipment technical field, in particular to low temperature baiting valve.
Background
At present, the emptying of storage tanks in the chemical industry is generally replaced by ball valves, and under the low-temperature state, the ball valves generally cannot meet the requirements of working conditions, and some occasions do not allow the generation of accumulated liquid, so that a low-temperature emptying valve which can be used under the low-temperature state is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low temperature baiting valve has the advantage that does not produce the hydrops and can use under the low temperature state.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a low temperature baiting valve, includes actuating mechanism, still includes disk seat and Y shape valve body, the disk seat is fixed with Y shape valve body, be fixed with the valve body flange on the Y shape valve body, there is a jar body flange through the bolt fastening on the valve body flange, Y shape valve body lower extreme has the valve gap through the bolt fastening, it is provided with the valve rod to slide in Y shape valve body and the valve gap, the valve rod upper end has the case through the bolt fastening, the valve gap inboard is provided with seal assembly, the valve gap lower extreme is fixed with actuating mechanism, ring channel one has been seted up to valve gap lower extreme inner wall, place the packing in the ring channel one, the packing is pasted tightly with a ring channel inner wall and valve rod, it is provided with gland to slide in the ring channel one, gland passes through the bolt fastening with the valve gap.
By adopting the technical scheme, the inverted Y-shaped valve body is adopted, so that accumulated liquid is avoided, the valve body flange and the tank body flange are matched, the accumulated liquid is reduced to the maximum extent, the valve rod is driven to move upwards through the actuating mechanism, the valve rod moves upwards to drive the valve core to move upwards, after the valve core is far away from the Y-shaped valve body, the upper opening of the Y-shaped valve body is opened, liquid flows downwards through the Y-shaped valve body, the sealing filler increases the sealing performance between the valve rod and the Y-shaped valve body, and the packing gland compresses the sealing filler between the valve rod and the Y-shaped valve body.
Preferably, the sealing assembly comprises a corrugated pipe and a bottom ring, a second annular groove is formed in the inner wall of the valve cover, the bottom ring is sleeved on the valve rod and fixed with the valve rod, the corrugated pipe is arranged in the second annular groove, the corrugated pipe is sleeved on the valve rod, the lower end of the corrugated pipe is fixed with the bottom ring, a first placing groove and a second placing groove are respectively formed in the upper end of the valve cover and the lower end of the Y-shaped valve body, a first sealing ring and a second sealing ring are respectively placed in the first placing groove and the second placing groove, the first sealing ring and the second sealing ring are both sleeved on the valve rod, and one end, far away from the bottom ring, of the corrugated pipe is fixed with the first sealing ring.
By adopting the technical scheme, the corrugated pipe cuts off the contact of the medium and the filler, the heat conduction is reduced, meanwhile, zero leakage is realized, the valve rod moves to drive the bottom ring to move, the bottom ring moves to drive the corrugated pipe to compress, the corrugated pipe generates elasticity after being compressed, the corrugated pipe is propped against the sealing ring II, and the sealing performance among the valve rod, the valve cover and the Y-shaped valve body is improved by the sealing ring I and the sealing ring II.
Preferably, a first sealing gasket is arranged between the first sealing ring and the second sealing ring.
By adopting the technical scheme, the first sealing gasket increases the sealing effect between the first sealing ring and the valve cover, and the second sealing gasket increases the sealing effect between the second sealing ring and the cover body.
Preferably, a second sealing gasket is arranged between the tank body flange and the valve body flange.
By adopting the technical scheme, the second sealing gasket plays a role in increasing the sealing property between the flange of the tank body and the flange of the valve body.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
fig. 2 is a schematic structural view for showing a sealing assembly.
Reference numerals: 1. an actuator; 2. a valve seat; 3. a Y-shaped valve body; 4. a valve body flange; 5. a tank body flange; 6. a valve cover; 7. a valve stem; 8. a valve core; 9. a seal assembly; 10. a first annular groove; 11. sealing and filling; 12. a packing gland; 13. a bellows; 14. a bottom ring; 15. a second annular groove; 16. placing the first groove; 17. a second placing groove; 18. a first sealing ring; 19. a second sealing ring; 20. a first sealing gasket; 21. and a second sealing gasket.
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 low-temperature discharge valve comprises an actuating mechanism 1, a valve seat 2 and a Y-shaped valve body 3, wherein the valve seat 2 is fixed with the Y-shaped valve body 3, a valve body flange 4 is fixed on the Y-shaped valve body 3, a tank body flange 5 is fixed on the valve body flange 4 through a bolt, an inverted Y-shaped valve body 3 is adopted to avoid generating accumulated liquid, the valve body flange 4 is matched with the tank body flange 5 to reduce the accumulated liquid to the maximum extent, a valve cover 6 is fixed at the lower end of the Y-shaped valve body 3 through a bolt, a valve rod 7 is arranged in the Y-shaped valve body 3 and the valve cover 6 in a sliding manner, a valve core 8 is fixed at the upper end of the valve rod 7 through a bolt, the lower end of the valve cover 6 is fixed with the actuating mechanism 1, the valve rod 7 is driven to move upwards through the actuating mechanism 1, the valve rod 7 moves upwards to drive the valve core 8 to move upwards, after the valve core 8 is far away from the Y-shaped valve body 3, the upper opening of the Y-shaped valve body 3 is opened, liquid flows downwards through the Y-shaped valve body 3, the inner wall of the lower end of the valve cover 6 is provided with a first annular groove 10, the sealing packing 11 is placed in the first annular groove 10, the sealing packing 11 is tightly attached to the inner wall of the first annular groove 10 and the valve rod 7, a packing gland 12 is arranged in the first annular groove 10 in a sliding mode, the packing gland 12 is fixed with the valve cover 6 through bolts, the sealing packing 11 improves the sealing performance between the valve rod 7 and the Y-shaped valve body 3, and the packing gland 12 compresses the sealing packing 11 between the valve rod 7 and the Y-shaped valve body 3.
As shown in fig. 2, a sealing assembly 9 is arranged on the inner side of the valve cap 6, the sealing assembly 9 includes a bellows 13 and a bottom ring 14, a second annular groove 15 is formed in the inner wall of the valve cap 6, the bottom ring 14 is externally sleeved on the valve rod 7, the bottom ring 14 is fixed with the valve rod 7, the bellows 13 is arranged in the second annular groove 15, the bellows 13 is externally sleeved on the valve rod 7, the lower end of the bellows 13 is fixed with the bottom ring 14, the bellows 13 prevents a medium from contacting with a filler, so as to reduce heat conduction and achieve zero leakage, a first placing groove 16 and a second placing groove 17 are respectively formed in the upper end of the valve cap 6 and the lower end of the Y-shaped valve body 3, a first sealing ring 18 and a second sealing ring 19 are respectively placed in the first placing groove 16 and the second placing groove 17, the first sealing ring 18 and the second sealing ring 19 are both externally sleeved on the valve rod 7, one end of the, the bellows 13 generates elasticity after being compressed, the second sealing ring 19 supports against the bellows 13, and the first sealing ring 18 and the second sealing ring 19 increase the sealing performance among the valve rod 7, the valve cover 6 and the Y-shaped valve body 3.
As shown in fig. 1 and 2, a first sealing gasket 20 is arranged between the first sealing ring 18 and the second sealing ring 19, the first sealing gasket 20 increases the sealing effect between the first sealing ring 18 and the valve cover 6, and a second sealing gasket 21 increases the sealing effect between the second sealing ring 19 and the Y-shaped valve body 3; a second sealing gasket 21 is arranged between the tank body flange 5 and the valve body flange 4, and the second sealing gasket 21 plays a role in increasing the sealing performance between the tank body flange 5 and the valve body flange 4.
Claims (4)
1. The low-temperature discharge valve comprises an execution mechanism (1) and is characterized by further comprising a valve seat (2) and a Y-shaped valve body (3), wherein the valve seat (2) is fixed with the Y-shaped valve body (3), a valve body flange (4) is fixed on the Y-shaped valve body (3), a tank body flange (5) is fixed on the valve body flange (4) through bolts, a valve cover (6) is fixed at the lower end of the Y-shaped valve body (3) through bolts, a valve rod (7) is arranged in the Y-shaped valve body (3) and the valve cover (6) in a sliding mode, a valve core (8) is fixed at the upper end of the valve rod (7) through bolts, a sealing assembly (9) is arranged on the inner side of the valve cover (6), the lower end of the valve cover (6) is fixed with the execution mechanism (1), a first annular groove (10) is formed in the inner wall of the lower end of, the sealing packing (11) is tightly attached to the inner wall of the first annular groove (10) and the valve rod (7), a packing gland (12) is arranged in the first annular groove (10) in a sliding mode, and the packing gland (12) is fixed with the valve cover (6) through bolts.
2. The low-temperature discharge valve according to claim 1, wherein the sealing assembly (9) comprises a corrugated pipe (13) and a bottom ring (14), a second annular groove (15) is formed in the inner wall of the valve cover (6), the bottom ring (14) is sleeved on the valve rod (7) and the bottom ring (14) is fixed to the valve rod (7), the corrugated pipe (13) is arranged in the second annular groove (15), the corrugated pipe (13) is sleeved on the valve rod (7), the lower end of the corrugated pipe (13) is fixed to the bottom ring (14), a first placing groove (16) and a second placing groove (17) are respectively formed in the upper end of the valve cover (6) and the lower end of the Y-shaped valve body (3), a first sealing ring (18) and a second sealing ring (19) are respectively placed in the first placing groove (16) and the second placing groove (17), and the first sealing ring (18) and the second sealing ring (19) are both sleeved on the valve rod (7), one end of the corrugated pipe (13) far away from the bottom ring (14) is fixed with a first sealing ring (18).
3. A cryogenic discharge valve according to claim 2, wherein a first sealing gasket (20) is arranged between the first sealing ring (18) and the second sealing ring (19).
4. A cryogenic discharge valve according to claim 3, characterised in that a second gasket (21) is provided between the vessel flange (5) and the valve body flange (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022715018.3U CN214222086U (en) | 2020-11-21 | 2020-11-21 | Low-temperature discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022715018.3U CN214222086U (en) | 2020-11-21 | 2020-11-21 | Low-temperature discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214222086U true CN214222086U (en) | 2021-09-17 |
Family
ID=77698430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022715018.3U Active CN214222086U (en) | 2020-11-21 | 2020-11-21 | Low-temperature discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214222086U (en) |
-
2020
- 2020-11-21 CN CN202022715018.3U patent/CN214222086U/en active Active
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