CN217539785U - Low-temperature high-pressure regulating valve - Google Patents
Low-temperature high-pressure regulating valve Download PDFInfo
- Publication number
- CN217539785U CN217539785U CN202221594176.0U CN202221594176U CN217539785U CN 217539785 U CN217539785 U CN 217539785U CN 202221594176 U CN202221594176 U CN 202221594176U CN 217539785 U CN217539785 U CN 217539785U
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- Prior art keywords
- flange
- valve
- pipe
- rubber sleeve
- sides
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000001105 regulatory effect Effects 0.000 title abstract description 10
- 238000007789 sealing Methods 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 230000006978 adaptation Effects 0.000 abstract description 4
- 238000005728 strengthening Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 7
- 239000003949 liquefied natural gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to a governing valve technical field discloses a low temperature high pressure regulating valve, including valve body and valve pipe, the valve body is installed in the top of valve pipe, and valve body and valve pipe intercommunication, and the valve pipe passes through the connecting pipe intercommunication of flange and both sides, and through bolted connection locking between the flange, the draw-in groove has been seted up to the outside surface of flange is even, and the card has put the fastener between the draw-in groove of both sides, and the fastener passes through the second latch bolt to be installed on the side surface of flange, twists in the screw hole to flange side surface behind the second latch bolt running through the fastener. The utility model discloses technical scheme through the flange surface at governing valve pipe seted up the draw-in groove and with the draw-in groove looks adaptation on connecting pipe flange surface, pass through the flange at the governing valve and installed the back, make the fastener card lock in the draw-in groove of both sides flange and through the locking of second latch bolt, later put fixed seal's rubber sleeve at flange outer lane cover, the fastener has the additional strengthening to flange joint department structure, the rubber sleeve has the effect of leak protection gas and warning gas leakage simultaneously.
Description
Technical Field
The utility model relates to a governing valve technical field specifically is a low temperature high pressure governing valve.
Background
The localization technology of the liquefied natural gas device is mature day by day, the liquefied natural gas is generally conveyed by a pipeline, and the liquefied natural gas is in a high-pressure and low-temperature state during conveying, so that the regulating valve applied to the pipeline also needs to be a low-temperature and high-pressure regulating valve, and the purpose of regulating the conveying pipeline can be realized.
Because the installation state of low temperature high pressure also has the requirement to the intensity of valve, prior art's low temperature high pressure governing valve is only strengthened to its inner structure, and does not have too much structure enhancement in its flange department of connecting, leads to the bolt fracture of flange joint department easily to lead to getting loose and there is the problem of gas leakage. Therefore, we propose a low temperature high pressure regulator valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low temperature high pressure governing valve, through the flange surface at governing valve pipe seted up the draw-in groove and with the draw-in groove looks adaptation on connecting pipe flange surface, pass through the flange at the governing valve and be installed the back, make the fastener card lock in the draw-in groove of both sides flange and through the locking of second latch bolt, later put fixed seal's rubber sleeve at flange outer lane cover, the fastener has the additional strengthening to flange joint department structure, the rubber sleeve has the effect of leak protection gas and warning gas leakage simultaneously, the problem of proposing among the background art has been solved.
In order to achieve the above object, the utility model provides a following technical scheme: a low-temperature high-pressure regulating valve comprises a valve body and a valve pipe, wherein the valve body is arranged above the valve pipe and is communicated with the valve pipe; the valve pipe is communicated with the connecting pipes on the two sides through flanges, the flanges are connected and locked through bolts, clamping grooves are uniformly formed in the outer side surfaces of the flanges, and clamping pieces are clamped between the clamping grooves on the two sides; the clamping piece is arranged on the side surface of the flange through a second locking bolt, and the second locking bolt penetrates through the clamping piece and then is screwed into a screw hole in the side surface of the flange; the valve pipe outer lane of flange side encircles and is provided with the ring piece, and the outer lane of ring piece is connected and is fixed with the rubber sleeve, and the rubber sleeve passes and pastes closely on the surface of connecting pipe behind the flange outer lane, and the end of rubber sleeve passes through the pipe clamp locking and pastes closely on the surface of connecting pipe.
As an optional scheme of the technical scheme, a sealing ring is arranged between the valve pipe and the flange of the connecting pipe, and the sealing ring is tightly attached to the surfaces of the flanges on two sides.
As an alternative scheme of the technical scheme, the pipe clamp is tightly installed on the outer ring of the connecting pipe and the rubber sleeve through a first locking bolt, and the first locking bolt penetrates through the side plate of the pipe clamp.
As an alternative scheme of the technical scheme, the ring block is connected with the outer ring of the valve pipe to form an integral structure, and the tail end of the rubber sleeve is connected with the ring block in a mode of being embedded into the ring block.
As an alternative of the technical solution of the present application, the flanges are fixed to the ends of the connecting pipe and the valve pipe, respectively, by welding.
As an alternative scheme of this application technical scheme, the perforation has all been seted up on the both sides surface of fastener, and perforates inboard and the outside that link up the fastener.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this application technical scheme through the flange surface at governing valve pipe seted up the draw-in groove and with the draw-in groove looks adaptation on connecting pipe flange surface, pass through the flange at the governing valve and be installed the back, make the fastener card in the draw-in groove of both sides flange and lock through the second fitting bar, later put fixed seal's rubber sleeve at flange outer lane cover, the fastener has the additional strengthening to flange joint structure, the rubber sleeve has the effect of leak protection gas and warning gas leakage simultaneously.
2. This application technical scheme has put the sealing washer through making between the flange of valve pipe and connecting pipe, and the sealing washer pastes the flange surface of tight in both sides, and the setting of sealing washer can improve the sealed effect before the flange of both sides.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure of the low-temperature high-pressure regulating valve of the present invention;
fig. 2 is the structural schematic diagram of the flange joint of the low-temperature high-pressure regulating valve of the present invention.
In the figure: 1. a valve body; 2. a valve tube; 3. a connecting pipe; 4. a flange; 5. a bolt; 6. a ring block; 7. a rubber sleeve; 8. a pipe clamp; 9. a first locking bolt; 10. a seal ring; 11. a fastener; 12. a second locking bolt; 13. a card slot; 14. perforating; 15. and a screw hole.
Detailed Description
Referring to fig. 1-2, the present invention provides a technical solution: a low-temperature high-pressure regulating valve comprises a valve body 1 and a valve pipe 2, wherein the valve body 1 is arranged above the valve pipe 2, and the valve body 1 is communicated with the valve pipe 2;
the valve pipe 2 is communicated with the connecting pipes 3 on two sides through flanges 4, the flanges 4 are connected and locked through bolts 5, clamping grooves 13 are uniformly formed in the outer side surfaces of the flanges 4, and clamping pieces 11 are clamped between the clamping grooves 13 on the two sides;
the clamping piece 11 is arranged on the side surface of the flange 4 through a second locking bolt 12, and the second locking bolt 12 penetrates through the clamping piece 11 and then is screwed into a screw hole 15 on the side surface of the flange 4;
the outer ring of the valve pipe 2 on the side of the flange 4 is provided with a ring block 6 in a surrounding mode, the outer ring of the ring block 6 is fixedly connected with a rubber sleeve 7, the rubber sleeve 7 penetrates through the outer ring of the flange 4 and then is attached to the surface of the connecting pipe 3, and the tail end of the rubber sleeve 7 is locked and attached to the surface of the connecting pipe 3 through a pipe clamp 8.
In this kind of technical scheme, through the flange 4 surface at governing valve pipe 2 seted up draw-in groove 13 and with the draw-in groove 13 looks adaptation on 3 flange 4 surfaces of connecting pipe, after the governing valve passes through flange 4 and is installed, make fastener 11 card in the draw-in groove 13 of both sides flange 4 and through the locking of second fitting bar 12, later put fixed sealed rubber sleeve 7 at 4 outer lane cover of flange, fastener 11 has the reinforcing effect to the flange 4 junction structure, rubber sleeve 7 has the effect of leak protection gas and warning gas leakage simultaneously.
In some technical solutions, a sealing ring 10 is disposed between the valve tube 2 and the flange 4 of the connecting tube 3, and the sealing ring 10 is attached to the surfaces of the flanges 4 on both sides.
In the technical scheme, the sealing ring 10 is arranged between the valve pipe 2 and the flange 4 of the connecting pipe 3, the sealing ring 10 is tightly attached to the surfaces of the flanges 4 at two sides, and the sealing effect before the flanges 4 at two sides can be improved due to the arrangement of the sealing ring 10.
In some technical solutions, the pipe clamp 8 is locked and installed on the outer ring of the connecting pipe 3 and the rubber sleeve 7 by a first locking bolt 9, and the first locking bolt 9 penetrates through a side plate of the pipe clamp 8.
In the technical scheme, the pipe clamp 8 is locked and connected through the first locking bolt 9, and the fixing strength of the rubber sleeve 7 is ensured.
In some technical schemes, the ring block 6 is connected with the outer ring of the valve pipe 2 to form an integral structure, and the tail end of the rubber sleeve 7 is connected with the ring block 6 in a manner of being embedded into the ring block.
In the technical scheme, the rubber sleeve 7 is embedded into the ring block 6, so that the sealing effect between the rubber sleeve 7 and the ring block 6 is realized.
In some solutions, the flanges 4 are fixed to the ends of the connecting pipe 3 and the valve pipe 2 by welding.
In this solution, the flange 4 is stably connected and fixed by welding.
In some technical solutions, through holes 14 are formed in both side surfaces of the clip 11, and the through holes 14 penetrate through the inner side and the outer side of the clip 11.
In this solution, the second locking pin 12 penetrates the retainer 11 through the through hole 14 provided on the surface of the retainer 11.
When the valve pipe is connected and used, the flange 4 of the valve pipe 2 is aligned with the flange 4 of the connecting pipe 3, then the two are locked by the bolt 5, the sealing ring 10 is sealed between the flanges 4 on two sides, then the clamping piece 11 is clamped in the clamping grooves 13 of the flanges 4 on two sides, then the second locking bolt 12 penetrates through the through hole 14 and is screwed into the screw hole 15, the purpose that the clamping piece 11 is locked in the clamping grooves 13 of the flanges 4 on two sides is achieved, the connecting strength between the flanges 4 on two sides can be enhanced by the clamping piece 11, then the outer ring of the valve pipe 2 is fixedly connected with the rubber sleeve 7 sleeved on the outer rings of the two flanges 4 through the ring block 6 and is tightly attached to the outer surface of the connecting pipe 3, then the pipe clamp 8 is clamped on the outer ring of the rubber sleeve 7 and is connected through the first locking bolt 9, the purpose that the outer side of the rubber sleeve 7 is tightly attached to the outer ring surface of the connecting pipe 3 is achieved, when the bolt 5 is broken at the flange 4 and leaks air, under the action of the rubber sleeve 7, the effect of warning on vision can be avoided that the rubber sleeve 7 is expanded to the outside.
Claims (6)
1. The utility model provides a low temperature high pressure governing valve, includes valve body (1) and valve pipe (2), its characterized in that: the valve body (1) is arranged above the valve pipe (2), and the valve body (1) is communicated with the valve pipe (2);
the valve pipe (2) is communicated with the connecting pipes (3) on the two sides through flanges (4), the flanges (4) are connected and locked through bolts (5), clamping grooves (13) are uniformly formed in the outer side surfaces of the flanges (4), and clamping pieces (11) are clamped between the clamping grooves (13) on the two sides;
the clamping piece (11) is arranged on the side surface of the flange (4) through a second locking bolt (12), and the second locking bolt (12) penetrates through the clamping piece (11) and then is screwed into a screw hole (15) in the side surface of the flange (4);
the valve pipe (2) outer lane of flange (4) side encircles and is provided with ring piece (6), and the outer lane of ring piece (6) is connected and is fixed with rubber sleeve (7), pastes the surface at connecting pipe (3) closely behind flange (4) outer lane in rubber sleeve (7) passing, and the end of rubber sleeve (7) is through pipe clamp (8) locking paste the surface at connecting pipe (3) closely.
2. A low temperature, high pressure regulator valve according to claim 1, wherein: a sealing ring (10) is arranged between the valve pipe (2) and the flange (4) of the connecting pipe (3), and the sealing ring (10) is tightly attached to the surfaces of the flanges (4) at two sides.
3. A low temperature, high pressure regulator valve according to claim 1, wherein: the pipe clamp (8) is locked and installed on the outer rings of the connecting pipe (3) and the rubber sleeve (7) through a first locking bolt (9), and the first locking bolt (9) penetrates through a side plate of the pipe clamp (8).
4. A low temperature, high pressure regulator valve according to claim 1, wherein: the ring block (6) is connected with the outer ring of the valve pipe (2) to form an integral structure, and the tail end of the rubber sleeve (7) is connected with the ring block (6) in a mode of being embedded into the ring block.
5. A low temperature, high pressure regulator valve according to claim 1, wherein: the flanges (4) are respectively fixed at the tail ends of the connecting pipe (3) and the valve pipe (2) in a welding mode.
6. A low temperature, high pressure regulator valve according to claim 1, wherein: both sides surface of fastener (11) has all seted up perforation (14), and perforation (14) link up the inboard and the outside of fastener (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221594176.0U CN217539785U (en) | 2022-06-24 | 2022-06-24 | Low-temperature high-pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221594176.0U CN217539785U (en) | 2022-06-24 | 2022-06-24 | Low-temperature high-pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217539785U true CN217539785U (en) | 2022-10-04 |
Family
ID=83420265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221594176.0U Expired - Fee Related CN217539785U (en) | 2022-06-24 | 2022-06-24 | Low-temperature high-pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217539785U (en) |
-
2022
- 2022-06-24 CN CN202221594176.0U patent/CN217539785U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221004 |