CN101907172A - Anti-leakage valve structure - Google Patents
Anti-leakage valve structure Download PDFInfo
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- CN101907172A CN101907172A CN2009100523836A CN200910052383A CN101907172A CN 101907172 A CN101907172 A CN 101907172A CN 2009100523836 A CN2009100523836 A CN 2009100523836A CN 200910052383 A CN200910052383 A CN 200910052383A CN 101907172 A CN101907172 A CN 101907172A
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Abstract
The invention relates to an improved structure of a valve element, in particular to an improved structure of an anti-leakage element. Anti-leakage valve structure is an inversed T-shaped valve and an upward cylindrical valve chest is provided with a cylindrical valve cap (4). A guide tube (2) is arranged on the outer ring of the upper section of the valve cap (4), embedded into the upper section of the valve cap and fastened outside the valve through a bolt (10) by a pressure cover (11). A pipeline (9/7) is located on a horizontal side while the other pipeline (7/9) is located in the lower part of the cylindrical valve cap (4), goes straightly for a small section and than goes bent and goes outside towards one side horizontally. A changeable circular valve base (8) is embedded at the bottom of the cylindrical valve chest. A positioning cover (3) is arranged above the circular valve base (8) and the guide tube (2) pushes against the upper part of the positioning cover (3). The invention has the advantages of convenient and rapid repair for valves, especially for the alloy sealing layers, and convenient and rapid assembly, disassembly and change of inner elements, improved accuracy and low cost.
Description
(1) technical field
The present invention is the improvement structure of valve part, particularly relates to the improvement structure of a kind of parts of anti-leak.
(2) background technique
Valve is one of the most indispensable part in the universal machine, is arranged in the pipeline of carrying liquid, gas even solid, plays the effect of blocking-up, clearance.
The open and close action of valve is general main to be to be descended by the valve man's cap used in ancient times to blocking the valve pocket path, and rising is opened path and realized.
The common structure of valve is, be down T-shaped valve body, about two passages be respectively inlet pipe and go out pipe, a cylinder valve man's cap used in ancient times is set in the cylindrical valve pocket that makes progress, the top of valve man's cap used in ancient times is the rotation valve handle, in order to make the valve man's cap used in ancient times can guarantee vertically-acting, epimere outer ring at the valve man's cap used in ancient times is provided with a guide pipe, and this guide pipe embeds the epimere of valve pocket, and is locked at the valve body outside by gland with bolt, make guide pipe to provide the guiding that moves up and down, be glanded locking again and unlikelyly upwards be moved for the valve man's cap used in ancient times.Sometimes, gland also can be that to make with gland be the overhanging handle type of one, is locked on the outside valve body by bolt.
The inlet pipe of prior art is not on a horizontal plane with going out pipe, present next section irregular level configurations, promptly pipe horizontal side of being positioned at the cylinder valve man's cap used in ancient times picks out valve seat, and another pipe is the bottom that is positioned at the cylinder valve man's cap used in ancient times, through one little section vertical section again bending pick out to the opposite side substantially horizontal.
So-called valve seal, prevent that the critical component that leaks from being between the upper surface of valve man's cap used in ancient times lower end surface and one little section vertical section, weld a circle alloy-layer respectively, reaching very high hardness and planeness through grinding cooperatively interacts, tightly do not leak when closing, the valve man's cap used in ancient times promotes when opening, and connects the path between two pipes, therefore, the critical component of valve is that two-layer alloy-layer.
Prior art, after using a period of time, because the gas of High Temperature High Pressure or washing away repeatedly of liquid, the alloy sealing layer will suffer wearing and tearing, damage and the generation leakage, valve must be unloaded repairing or the integral replacing that carries out alloy-layer for this reason, and valve will be unloaded and will be a no small operation of cost price, because also being one, the wearing and tearing of a circle alloy sealing layer and integral replacing valve very uneconomicly be forced to behave.When valve is installed, the in-and-out pipe of valve must stand bigger pressure, all be the import and export on pipeline and the valve body to be welded together by welding manner, and must be with the pipeline weldering down when unloading, this workload is not little, in addition, at present general valve all is by the rotation and lifting of electronic control rotation valve handle, must dismantle electronic control system simultaneously when unloading lower valve, this is the operation of a trouble, consuming time very long, and cost is very big, the replacing of the electronic or hydraulic control system of a cover will about 6,70,000 yuan.Therefore, in order to prolong the service time of valve, reduce the situation of laid-up and integral replacing, valve field urgently wishes to provide a kind of improved structure.
(3) summary of the invention
The objective of the invention is to provide a kind of anti-leakage valve structure, a kind of valve mechanism of being convenient to the repairing alloy sealing layer.
The objective of the invention is by realizing as lower device.
A kind of anti-leakage valve structure, be down T-shaped valve body, in the cylindrical valve pocket upwards a cylinder valve man's cap used in ancient times is set, epimere outer ring at the valve man's cap used in ancient times is provided with a guide pipe, this guide pipe embeds the epimere of valve pocket, and be locked at the valve body outside with bolt by gland, a pipeline is positioned at a horizontal side, another root pipeline is positioned at the bottom of cylinder valve man's cap used in ancient times, through one little section vertical section again bending laterally pick out to opposite side, it is characterized in that: embed a removable annular valve base in the bottom of cylindrical valve pocket, the top of valve base is provided with a setting sleeve, and the top of setting sleeve is compressed by described guide pipe.
Further, the diameter of bore of described annular valve base is less than cylinder valve man's cap used in ancient times diameter, and more than or equal to the vertical section pipeline diameter, the race diameter of annular valve base is smaller or equal to described setting sleeve external diameter, greater than the setting sleeve internal diameter.
Further, described setting sleeve internal diameter is more than or equal to cylinder valve man's cap used in ancient times diameter.
Further, described setting sleeve external diameter is smaller or equal to the guide pipe external diameter.
Further, described setting sleeve sidepiece is offered the circular hole that diameter equals a side lateral duct diameter.
Further, described annular valve base above and below is respectively the ladder surface that the outer ring is a gap slot.
Further again, the groove width of gap slot equals the wall thickness of described setting sleeve on the described annular valve base.
Further, the upper surface of described annular valve base, the peripheral solder one circle alloy sealing layer of endoporus.
Adopt the technical program, in use for some time, after the alloy sealing layer of valve man's cap used in ancient times lower surface and annular valve base upper surface alloy sealing layer are worn, can take out the cylinder valve man's cap used in ancient times, turn on by bolt and unload lower cover, extract the guide pipe that embeds valve pocket out and be crushed on following setting sleeve, take out the annular valve base of bottom at last, can the annular valve base is convenient outside, accurately, accurately keep in repair, and then give installation, perhaps, take out the back and directly change, all work only is maintenance or changes the annular valve base member that formality is simple, cost is low, easy to operate, then, ressemble again, it is original normal that whole valve can recover again to reach, the working state of standard, repairing effect is good.
Beneficial effect of the present invention finds expression in the alloy sealing layer is damaged the back: 1. repair, change convenient, fast; 2. the precision of repairing, changing improves; 3. repair, replacement cost is low.
(4) description of drawings
Fig. 1 is the structural representation of a kind of mode of execution of anti-leakage valve structure of the present invention;
Fig. 2 is the schematic representation of prior art valve mechanism, and wherein guide pipe and gland are the structure of integral type;
Fig. 3 partly cuts open figure for annular valve base of the present invention, has shown the ladder surface shape of valve base top and bottom gap slots.
Among the figure, the 1st, rotation valve handle, the 2nd, guide pipe, the 3rd, setting sleeve, the 4th, valve man's cap used in ancient times, the 5th, valve man's cap used in ancient times sealing layer, the 6th, the valve base sealing layer, the 7th, advance/go out pipeline, the 8th, valve base, the 9th, go out/the inlet pipe road, the 10th, bolt, the 11st, gland, the 12nd, thread bush, a are valve base upper surface gap slot width.
(5) specific implementation method
Further describe structure of the present invention below in conjunction with accompanying drawing.
A kind of anti-leakage valve structure, be down T-shaped valve body, in the cylindrical valve pocket upwards a cylinder valve man's cap used in ancient times 4 is set, in the epimere outer ring of valve man's cap used in ancient times 4 guide pipe 2 is set, this guide pipe 2 embeds the epimere of valve pocket, and be locked at the valve body outside by gland 11 usefulness bolts 10, a pipeline 9/7 is positioned at a horizontal side, another root pipeline 7/9 is positioned at the bottom of cylinder valve man's cap used in ancient times 4, through one little section vertical section again bending laterally pick out to opposite side, embed a removable annular valve base 8 in the bottom of cylindrical valve pocket, the top of valve base 8 is provided with a setting sleeve 3, and the top of setting sleeve 3 is compressed by described guide pipe 2.After the alloy sealing layer 6 and the annular valve base 8 upper surface alloy sealing layers 5 of valve man's cap used in ancient times 4 lower surfaces are worn, can take out cylinder valve man's cap used in ancient times 4, turn on by bolt 10 and unload lower cover 11, extract the guide pipe 2 that embeds valve pocket out and be crushed on following setting sleeve 3, take out the annular valve base 8 of bottom at last, can annular valve base 8 is convenient outside, accurately, accurately keep in repair, and then give installation.
The diameter of bore of annular valve base 8 is less than cylinder valve man's cap used in ancient times 4 diameters, and more than or equal to the vertical section pipeline diameter, the race diameter of annular valve base 8 is smaller or equal to described setting sleeve 3 external diameters, greater than setting sleeve 3 internal diameters.By the relation constraint of above mutual size, can guarantee correct, the accurately assembling of valve man's cap used in ancient times 4.
Setting sleeve 3 internal diameters are more than or equal to cylinder valve man's cap used in ancient times 4 diameters, and setting sleeve 3 external diameters are smaller or equal to guide pipe 2 external diameters.Thus, setting sleeve 3 can correctly be limited in the cylindrical valve pocket.
Setting sleeve 3 sidepieces are offered the circular hole that diameter equals a side lateral duct 9/7 diameter.Thus, setting sleeve 3 sidepieces can guarantee flowing of gas, liquid.
For the outer ring is the ladder surface of gap slot, the groove width of gap slot equals the wall thickness of described setting sleeve 3, thus, is convenient to setting sleeve 3 and accurately locatees, and has both compressed valve base 8 above the annular valve base 8, does not influence moving up and down of valve man's cap used in ancient times 4 in the endoporus again.
Be the ladder surface of gap slot for the outer ring below the annular valve base 8, be convenient to accurate, the reliable location of valve base 8 in cylindrical valve pocket, because this location is very important for sealing, on-off action of valve man's cap used in ancient times, and when being convenient to reinstall after valve base 8 is repaired, changed fast, accurate location.
The upper surface of annular valve base 8, the peripheral solder one circle alloy sealing layer 6 of endoporus, this two alloys sealing layer is the important process face of valve.
Adopt the present invention to help that reparation, the particularly dismounting and change of the reparation of alloy sealing layer and inner member to valve is convenient and swift, precision improves, cost is low.
Claims (8)
1. anti-leakage valve structure, be down T-shaped valve body, in the cylindrical valve pocket upwards a cylinder valve man's cap used in ancient times (4) is set, in the epimere outer ring of valve man's cap used in ancient times (4) guide pipe (2) is set, this guide pipe (2) embeds the epimere of valve pocket, and be locked at the valve body outside with bolt (10) by gland (11), a pipeline (9/7) is positioned at a horizontal side, another root pipeline (7/9) is positioned at the bottom of cylinder valve man's cap used in ancient times (4), through one little section vertical section again bending laterally pick out to opposite side, it is characterized in that: embed a removable annular valve base (8) in the bottom of cylindrical valve pocket, the top of valve base (8) is provided with a setting sleeve (3), and the top of setting sleeve (3) is compressed by described guide pipe (2).
2. according to the described anti-leakage valve structure of claim 1, the diameter of bore that it is characterized in that described annular valve base (8) is less than cylinder valve man's cap used in ancient times (4) diameter, more than or equal to the vertical section pipeline diameter, the race diameter of annular valve base (8) is smaller or equal to described setting sleeve (3) external diameter, greater than setting sleeve (3) internal diameter.
3. according to the described anti-leakage valve structure of claim 1, it is characterized in that described setting sleeve (3) internal diameter is more than or equal to cylinder valve man's cap used in ancient times (4) diameter.
4. according to the described anti-leakage valve structure of claim 1, it is characterized in that described setting sleeve (3) external diameter is smaller or equal to guide pipe (2) external diameter.
5. according to the described anti-leakage valve structure of claim 1, it is characterized in that described setting sleeve (3) sidepiece offers the circular hole that diameter equals side lateral duct (a 9/7) diameter.
6. according to the described anti-leakage valve structure of claim 1, it is characterized in that described annular valve base (8) above and below is respectively the ladder surface that the outer ring is a gap slot.
7. according to the described anti-leakage valve structure of claim 6, it is characterized in that the groove width of the last gap slot of described annular valve base (8) equals the wall thickness of described setting sleeve (3).
8. according to the described anti-leakage valve structure of claim 1, it is characterized in that the upper surface of described annular valve base (8), the peripheral solder one circle alloy sealing layer (6) of endoporus.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009100523836A CN101907172A (en) | 2009-06-02 | 2009-06-02 | Anti-leakage valve structure |
Applications Claiming Priority (1)
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CN2009100523836A CN101907172A (en) | 2009-06-02 | 2009-06-02 | Anti-leakage valve structure |
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CN2009100523836A Pending CN101907172A (en) | 2009-06-02 | 2009-06-02 | Anti-leakage valve structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106903798A (en) * | 2017-04-11 | 2017-06-30 | 南宁市嘉旺水泥制品有限公司 | A kind of pouring out concrete device |
Citations (6)
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DE29809529U1 (en) * | 1998-05-27 | 1998-09-17 | Fichtner Lothar Dipl Ing | Coverless valve installation for stuffing box valves |
CN2716604Y (en) * | 2004-05-14 | 2005-08-10 | 南通光远集团红星高压阀门有限公司 | High pressure draining cut off valve for power station |
CN2871994Y (en) * | 2006-01-11 | 2007-02-21 | 陈璐璐 | Cut-off valve for small-bore power station |
CN200982425Y (en) * | 2006-12-07 | 2007-11-28 | 冯光 | High temperature high pressure flushing-resistant high pressure difference regulating valve |
KR20080084328A (en) * | 2007-03-16 | 2008-09-19 | 김충호 | Glove valve having duplex sealing structure |
CN201461984U (en) * | 2009-06-02 | 2010-05-12 | 上海华电阀门集团有限公司 | Valve structure convenient for maintenance |
-
2009
- 2009-06-02 CN CN2009100523836A patent/CN101907172A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29809529U1 (en) * | 1998-05-27 | 1998-09-17 | Fichtner Lothar Dipl Ing | Coverless valve installation for stuffing box valves |
CN2716604Y (en) * | 2004-05-14 | 2005-08-10 | 南通光远集团红星高压阀门有限公司 | High pressure draining cut off valve for power station |
CN2871994Y (en) * | 2006-01-11 | 2007-02-21 | 陈璐璐 | Cut-off valve for small-bore power station |
CN200982425Y (en) * | 2006-12-07 | 2007-11-28 | 冯光 | High temperature high pressure flushing-resistant high pressure difference regulating valve |
KR20080084328A (en) * | 2007-03-16 | 2008-09-19 | 김충호 | Glove valve having duplex sealing structure |
CN201461984U (en) * | 2009-06-02 | 2010-05-12 | 上海华电阀门集团有限公司 | Valve structure convenient for maintenance |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106903798A (en) * | 2017-04-11 | 2017-06-30 | 南宁市嘉旺水泥制品有限公司 | A kind of pouring out concrete device |
CN106903798B (en) * | 2017-04-11 | 2023-08-04 | 南宁市嘉旺水泥制品有限公司 | Concrete discharge device |
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Application publication date: 20101208 |