CN204083260U - Pressure self balancing purge valve in a kind of - Google Patents
Pressure self balancing purge valve in a kind of Download PDFInfo
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- CN204083260U CN204083260U CN201420422847.4U CN201420422847U CN204083260U CN 204083260 U CN204083260 U CN 204083260U CN 201420422847 U CN201420422847 U CN 201420422847U CN 204083260 U CN204083260 U CN 204083260U
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Abstract
Pressure self balancing purge valve in a kind of, relate to a kind of Slurry Pipeline Transportation equipment, one end of cylinder body is processed with mounting hole; The other end of cylinder body, with bead, bead has several threaded connection holes; Cylinder cap is a disk, and the middle part of cylinder cap is processed with mounting hole; Piston is cylindrical body, and middle part is processed with mounting hole; Piston rod is shouldered cylindrical body; The upper valve body of purge valve body is the structure of hollow, two end band beads, and the bead of every one end is all processed with several threaded connection holes; Lower valve body is the hollow circular cylinder of band bead, and its bead is processed with several threaded connection holes; Valve seat is the hollow circular cylinder of band internal conical surface, and its one end is processed with bead, and upper valve body and lower valve body are fixed together by screw bolt and nut; Purge valve substantially reduces the instantaneous required lifting force of valve opening when valve opening, thus can save material and reduce energy consumption, and can reduce the maintenance cost of equipment.
Description
Technical field
The utility model relates to a kind of Slurry Pipeline Transportation equipment, particularly relates to a kind of interior pressure self balancing purge valve.
Background technique
Purge valve is for slurry pipeline steel pump---a kind of valve on water isolation pump.Existing purge valve mainly contains two kinds of structural types: one, without pressure balance mechanism; Two, with pressure half balance mechanism.Without the purge valve of pressure balance mechanism, its composition mainly comprises driving oil hydraulic cylinder and purge valve body.Wherein, oil hydraulic cylinder is driven mainly to comprise piston, piston rod, cylinder body and cylinder cap; Purge valve body mainly comprises valve body, flap, valve seat.With the purge valve of pressure half balance mechanism, this is external, also with a set of pressure half balance device except comprising above-mentioned driving oil hydraulic cylinder and purge valve for its composition.The major defect of the first structural type is:
during valve opening, only just opening in instantaneous blink, need very large lifting force, and in opening process afterwards, due to the balance of flap upper and lower cavity slurry pressure, required lifting force significantly declines.But ensure that valve is normally opened, when driving oil hydraulic cylinder and relevant hydraulic station thereof just must open by valve, required lifting force designs, and this just causes the very large waste on material and the energy;
relevant elements is greatly stressed, and the life-span is short, adds the maintenance cost of equipment.The major defect of the second structural type is: pressure half balance device does not solve valve completely and just to open the problem of instantaneous required large lifting force.So, the same with the first structural type, still there is waste on material and the energy and the high shortcoming of maintenance cost, just alleviate to some extent.In addition, the structure of this valve also more complicated.
Summary of the invention
The purpose of this utility model is to provide a kind of interior pressure self balancing purge valve, this purge valve is when valve opening, and the slurry pressure energy self balancing completely of flap upper and lower cavity, can reduce the instantaneous required lifting force of valve opening, thus save material and reduce energy consumption, and the maintenance cost of equipment can be reduced.
The purpose of this utility model is achieved through the following technical solutions:
Pressure self balancing purge valve in a kind of, described purge valve comprises driving oil hydraulic cylinder and purge valve body, drives oil hydraulic cylinder to comprise gray iron, piston and piston rod; Purge valve body comprises upper valve body, lower valve body, valve seat, flap and valve rod; The cylinder body of driving oil hydraulic cylinder is the cylindrical body of a hollow, and one end of cylinder body is processed with mounting hole; The other end of cylinder body, with bead, bead has several threaded connection holes; Cylinder cap is a disk, and the middle part of cylinder cap is processed with mounting hole; Piston is cylindrical body, and middle part is processed with mounting hole; Piston rod is shouldered cylindrical body; Piston is installed on the piston rod by the mounting hole in the middle part of it, and one end of piston is resisted against on the convex shoulder of piston rod, and the other end nut is fixed; The upper valve body of purge valve body is the structure of hollow, two end band beads, and the bead of every one end is all processed with several threaded connection holes; Cylinder cap is arranged on one end of upper valve body, and cylinder body and upper valve body utilize threaded connection hole in bead to be fixed together by screw bolt and nut, are sandwiched between cylinder body and upper valve body by cylinder cap simultaneously, and cylinder cap and upper valve body are fixed together; Lower valve body is the hollow circular cylinder of band bead, and its bead is processed with several threaded connection holes; Valve seat is the hollow circular cylinder of band internal conical surface, and its one end is processed with bead, and upper valve body and lower valve body are fixed together by screw bolt and nut, the bead of valve seat is sandwiched between upper valve body and lower valve body simultaneously;
Pressure self balancing purge valve in described one, one end of described piston rod is arranged in the mounting hole of cylinder body; The other end of piston rod is arranged in the mounting hole in the middle part of cylinder cap; Cylinder cap is arranged on cylinder body flanged pin side.
Pressure self balancing purge valve in described one, one end of described flap is cone, the other end is the cylindrical body of hollow, the cone of flap one end is processed with several through holes, flap is arranged in the inner chamber of upper valve body, and the outer surface of flap one end hollow circular cylinder is formed with the internal surface of upper valve body and coordinates.
Pressure self balancing purge valve in described one, the described outer surface of flap the other end cone and the internal conical surface of valve seat form sealing pair, and valve rod is cylinder, and valve rod one end is welded on the middle part of flap inner chamber, and the other end is linked together by screw thread and piston rod.
Advantage of the present utility model and effect are:
By adopting the flap of special construction, and processing through hole on flap cone, making the pressure of flap upper and lower cavity be in state of equilibrium all the time.Like this, purge valve, when valve opening, due to the slurry pressure energy self balancing completely of flap upper and lower cavity, just substantially reduces the instantaneous required lifting force of valve opening, thus can save material and reduce energy consumption, and can reduce the maintenance cost of equipment.In addition, owing to not having independent balanced controls, the structure of this valve is also fairly simple.
Accompanying drawing explanation
Fig. 1 is the whole-cutaway view of interior pressure self balancing purge valve.
In figure, 1 is piston rod; 2 is cylinder body; 3 is piston; 4 is cylinder cap; 5 is upper valve body; 6 is valve rod; 7 is flap; 8,13 is bolt; 9 is valve seat; 10,12,14 is nut; 11 is lower valve body.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the utility model is described in further detail.
Interior pressure self balancing purge valve mainly comprises driving oil hydraulic cylinder and purge valve body.Wherein, oil hydraulic cylinder is driven mainly to comprise gray iron, piston and piston rod; Purge valve body mainly comprises upper valve body, lower valve body, valve seat, flap and valve rod.
The cylinder body of driving oil hydraulic cylinder is the cylindrical body of a hollow substantially.One end of cylinder body is processed with mounting hole; The other end of cylinder body, with bead, bead has several threaded connection holes.Cylinder cap is a disk, and the middle part of cylinder cap is processed with mounting hole.Piston is cylindrical body, and middle part is processed with mounting hole.Piston rod is shouldered cylindrical body.Piston is installed on the piston rod by the mounting hole in the middle part of it.One end of piston is resisted against on the convex shoulder of piston rod, and the other end nut is fixed.Like this, piston and piston rod have just been combined into one.One end of piston rod is arranged in the mounting hole of cylinder body; The other end of piston rod is arranged in the mounting hole in the middle part of cylinder cap.Cylinder cap is arranged on cylinder body flanged pin side.Like this, the inner chamber that piston is just arranged on cylinder body has suffered, and the outer surface of piston and the internal surface of cylinder body form dynamic cooperation.Piston can do axially reciprocating along the internal surface of cylinder body, drives piston rod to move together simultaneously.
The upper valve body of purge valve body is the structure of hollow, two end band beads, and the bead of every one end is all processed with several threaded connection holes.Cylinder cap is arranged on one end of upper valve body.Cylinder body and upper valve body utilize their several threaded connection holes separately in bead, be fixed together, be sandwiched between cylinder body and upper valve body by cylinder cap simultaneously by screw bolt and nut.Like this, gray iron and upper valve body have just been fixed together.Lower valve body is the hollow circular cylinder of band bead, and its bead is processed with several threaded connection holes.Valve seat is the hollow circular cylinder of band internal conical surface, and its one end is processed with bead.Upper valve body and lower valve body utilize their several threaded connection holes separately in bead, be fixed together, the bead of valve seat be sandwiched between upper valve body and lower valve body simultaneously by screw bolt and nut.Like this, upper valve body, valve seat and lower valve body have just been fixed together.One end of flap is cone, and the other end is the cylindrical body of hollow.The cone of flap one end is processed with several through holes.Flap is arranged in the inner chamber of upper valve body.The outer surface of flap one end hollow circular cylinder is formed with the internal surface of upper valve body and coordinates; The outer surface of flap the other end cone and the internal conical surface of valve seat form sealing pair.Flap can do axially reciprocating along upper valve body inner chamber.Valve rod is cylindrical body.Valve rod one end is welded on the middle part of flap inner chamber, and the other end is linked together by screw thread and piston rod.Like this, piston rod movement just can drive stem movement, and valve rod drives flap to-and-fro motion again, thus realizes the opening and closing of valve.
Embodiment:
As shown in Figure 1, interior pressure self balancing purge valve mainly comprises driving oil hydraulic cylinder and purge valve body.Wherein, oil hydraulic cylinder is driven mainly to comprise cylinder body 2, cylinder cap 4, piston 3 and piston rod 1; Purge valve body mainly comprises upper valve body 5, lower valve body 11, valve seat 9, flap 7 and valve rod 6.
The cylinder body 2 of driving oil hydraulic cylinder is the cylindrical body of a hollow substantially.One end of cylinder body 2 is processed with mounting hole; The other end of cylinder body 2, with bead, bead has several threaded connection holes.Cylinder cap 4 is disks, and the middle part of cylinder cap 4 is processed with mounting hole.Piston 3 is cylindrical body, and middle part is processed with mounting hole.Piston rod 1 is shouldered cylindrical body.Piston 3 is arranged on piston rod 1 by the mounting hole in the middle part of it.One end of piston 3 is resisted against on the convex shoulder of piston rod 1, and the other end nut 14 is fixed.Like this, piston 3 and piston rod 1 have just been combined into one.One end of piston rod 1 is arranged in the mounting hole of cylinder body 2; The other end of piston rod 1 is arranged in the mounting hole in the middle part of cylinder cap 4.Cylinder cap 4 is arranged on cylinder body 2 and is with bead side.Like this, the inner chamber that piston 3 is just arranged on cylinder body 2 has suffered.The outer surface of piston 3 and the internal surface of cylinder body 2 form dynamic cooperation.Piston 3 can do axially reciprocating along the internal surface of cylinder body 2, drives piston rod 1 to move together simultaneously.
The upper valve body 5 of purge valve body is the structure of hollow, two end band beads, and the bead of every one end is all processed with several threaded connection holes.Cylinder cap 4 is arranged on one end of upper valve body 5.Cylinder body 2 and upper valve body 5 utilize their several threaded connection holes separately in bead, be fixed together, be sandwiched between cylinder body 2 and upper valve body 5 by cylinder cap 4 simultaneously by bolt 13 and nut 12.Like this, cylinder body 2, cylinder cap 4 and upper valve body 5 have just been fixed together.Lower valve body 11 is the hollow circular cylinder of band bead, and its bead is processed with several threaded connection holes.Valve seat 9 is the hollow circular cylinder of band internal conical surface, and its one end is processed with bead.Upper valve body 5 and lower valve body 11 utilize their several threaded connection holes separately in bead, be fixed together, the bead of valve seat 9 be sandwiched between upper valve body 5 and lower valve body 11 simultaneously by bolt 8 and nut 10.Like this, upper valve body 5, valve seat 9 and lower valve body 11 have just been fixed together.One end of flap 7 is cone, and the other end is the cylindrical body of hollow.The cone of flap 7 one end is processed with several through holes.Flap 7 is arranged in the inner chamber of upper valve body 5.The outer surface of flap 7 one end hollow circular cylinder is formed with the internal surface of upper valve body 5 and coordinates; The outer surface of flap 7 the other end cone and the internal conical surface of valve seat 9 form sealing pair.Flap 7 can do axially reciprocating along upper valve body 5 inner chamber.Valve rod 6 is cylindrical body.Valve rod 6 one end is welded on the middle part of flap 7 inner chamber, and the other end is linked together by screw thread and piston rod 1.Like this, piston rod 1 motion just can be with ovable valve stem 6 to move, and valve rod 6 drives flap 7 to-and-fro motion again, thus realizes the opening and closing of valve.
Claims (4)
1. press a self balancing purge valve in, it is characterized in that, described purge valve comprises driving oil hydraulic cylinder and purge valve body, drives oil hydraulic cylinder to comprise gray iron, piston and piston rod; Purge valve body comprises upper valve body, lower valve body, valve seat, flap and valve rod; The cylinder body of driving oil hydraulic cylinder is the cylindrical body of a hollow, and one end of cylinder body is processed with mounting hole; The other end of cylinder body, with bead, bead has several threaded connection holes; Cylinder cap is a disk, and the middle part of cylinder cap is processed with mounting hole; Piston is cylindrical body, and middle part is processed with mounting hole; Piston rod is shouldered cylindrical body; Piston is installed on the piston rod by the mounting hole in the middle part of it, and one end of piston is resisted against on the convex shoulder of piston rod, and the other end nut is fixed; The upper valve body of purge valve body is the structure of hollow, two end band beads, and the bead of every one end is all processed with several threaded connection holes; Cylinder cap is arranged on one end of upper valve body, and cylinder body and upper valve body utilize threaded connection hole in bead to be fixed together by screw bolt and nut, are sandwiched between cylinder body and upper valve body by cylinder cap simultaneously, and cylinder cap and upper valve body are fixed together; Lower valve body is the hollow circular cylinder of band bead, and its bead is processed with several threaded connection holes; Valve seat is the hollow circular cylinder of band internal conical surface, and its one end is processed with bead, and upper valve body and lower valve body are fixed together by screw bolt and nut, the bead of valve seat are sandwiched between upper valve body and lower valve body simultaneously.
2. pressure self balancing purge valve in one according to claim 1, it is characterized in that, one end of described piston rod is arranged in the mounting hole of cylinder body; The other end of piston rod is arranged in the mounting hole in the middle part of cylinder cap; Cylinder cap is arranged on cylinder body flanged pin side.
3. pressure self balancing purge valve in one according to claim 1, it is characterized in that, one end of described flap is cone, the other end is the cylindrical body of hollow, the cone of flap one end is processed with several through holes, flap is arranged in the inner chamber of upper valve body, and the outer surface of flap one end hollow circular cylinder is formed with the internal surface of upper valve body and coordinates.
4. pressure self balancing purge valve in one according to claim 1, it is characterized in that, the described outer surface of flap the other end cone and the internal conical surface of valve seat form sealing pair, valve rod is cylinder, valve rod one end is welded on the middle part of flap inner chamber, and the other end is linked together by screw thread and piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420422847.4U CN204083260U (en) | 2014-07-30 | 2014-07-30 | Pressure self balancing purge valve in a kind of |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420422847.4U CN204083260U (en) | 2014-07-30 | 2014-07-30 | Pressure self balancing purge valve in a kind of |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083260U true CN204083260U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420422847.4U Expired - Fee Related CN204083260U (en) | 2014-07-30 | 2014-07-30 | Pressure self balancing purge valve in a kind of |
Country Status (1)
| Country | Link |
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| CN (1) | CN204083260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776226A (en) * | 2015-03-27 | 2015-07-15 | 苏州福润机械有限公司 | Combined valve body type valve seat structure for stop valve |
-
2014
- 2014-07-30 CN CN201420422847.4U patent/CN204083260U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776226A (en) * | 2015-03-27 | 2015-07-15 | 苏州福润机械有限公司 | Combined valve body type valve seat structure for stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150730 |
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| EXPY | Termination of patent right or utility model |