CN100392297C - High pressure valve - Google Patents
High pressure valve Download PDFInfo
- Publication number
- CN100392297C CN100392297C CNB2006100467264A CN200610046726A CN100392297C CN 100392297 C CN100392297 C CN 100392297C CN B2006100467264 A CNB2006100467264 A CN B2006100467264A CN 200610046726 A CN200610046726 A CN 200610046726A CN 100392297 C CN100392297 C CN 100392297C
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- China
- Prior art keywords
- valve
- valve core
- spool
- core housing
- high pressure
- Prior art date
- 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.)
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- 239000012530 fluid Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000000314 lubricant Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 12
- 230000001174 ascending effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000010349 pulsation Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000002156 adsorbate Substances 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Sliding Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The present invention relates to a high pressure valve which is composed of a valve body connected with a pipe, and a containing space formed at the inside after the valve body, a port plate and a side valve cover are connected. The present invention is characterized in that a valve core sleeve, valve cores and springs are arranged in the containing space, and both ends of a valve core sleeve are provided with valve core holes. One end of each valve core is respectively arranged in valve core holes together with the springs, throughflow holes which are communicated with the inside of valve core holes of both ends are arranged on a sleeve body of the valve core sleeve. The sleeve body of the valve core sleeve and throughflow holes arranged on the sleeve body is rightly arranged opposite to a fluid inlet of the valve body, and valve cores arranged at both sides of the sleeve body of the valve core sleeve contact with outlets of diversion flow passages of both sides of the valve body. The valve core sleeve can rise or drop in the containing space, and a switch is formed between the inlet of fluid and diversion flow passages of both sides, which are communicated with the fluid inlet. The present invention has complete force balance and sealing self-compensation to a valve rod, the opening and closing response speed of the valve is enhanced, and the sealing performance is also effectively raised.
Description
One, technical field:
The present invention relates to a kind of high pressure valve that uses in the high-pressure liquid pipeline of carrying, fluid in particularly a kind of restrained line flows, just can constrain fluids flow with little driving force, and make and open and close easily, and high-pressure liquid cutting-off valve with wiper seal self compensation function.
Two, background technique:
Valve is the flow of streaming flow in the confinement tube, the parts of pressure.Be divided into cutting-off valve, check valve, pressure loading valve etc. with the application purpose difference.
Above-mentioned cutting-off valve is to cut off fluid to flow, and shutoff valve is arranged.The valve body two ends of shutoff valve are that fluid is gone into, exported, and going into, go out portion is flange.On the inherent horizontal center line of valve body seal valve seat is set, the sealed member on valve seat top is a valve plate, and the valve plate upper convex portion is connected with valve rod, and sealing part adopts sealings such as " O " type circle, filler, tetrafluoro in the valve.Valve rod top is connected with handwheel with screw thread, and during rotation hand wheel, valve plate produces ascending, descending with valve rod, forms opening or closing of shutoff valve.
Another kind of cutting-off valve is a gate valve, and the valve body two ends are going into, exporting of fluid, goes into, export department is flange.Valve inner is a containing space, and closure member is set in the containing space.Closure member is a flashboard cover, two flashboards.The containing space two ends are provided with seam, melting welding valve seat on the seam.Closure member is used with valve rod and is threaded, the handwheel that is threaded on valve rod top.Rotate handwheel, closure member produces ascending, descending with valve rod, and gate valve is opened or closed.
Above-mentioned gate valve as shown in Figure 1, runner 102 connects with valve body 100, has a valve seat 105 to contact with wedge shape closure member 106 on the breakthrough part seam, closure member 106 tops are that the tubulose containing space on valve body top can make closure member 106 ascending, descendings.
Closure member 106 is connected with threaded stem 110, and this threaded stem 110 connects with the valve gap on tubulose containing space top and links to each other.Rotate in wheel, threaded stem and closure member 106 produce ascending, descending.Be that closure member 106 is raised to tubulose containing space portion 105 ones of valve seats.
Above-mentioned several existing valve, surface of contact often causes seal failure because of entering of gas and foreign matter produces cavitation erosion or abrade during open and close.
The adsorbate of fluid is accumulated on valve internal or the surface of contact in addition, thereby has influenced the sealability of valve, and produces the pressure pulsation phenomenon of moment.
Three, summary of the invention:
1, goal of the invention: the invention provides a kind of high pressure valve, its objective is when solving existing cutting-off valve open and close that surface of contact often produces cavitation erosion because of entering of gas and foreign matter or scratch causes seal failure, and the adsorbate of fluid, be accumulated on valve internal or the surface of contact, make the seal failure of valve, and produce the problems such as pressure pulsation phenomenon of moment.
2, technological scheme: the present invention is achieved through the following technical solutions:
A kind of high pressure valve, it is mainly by the valve body that is connected with pipeline, and valve body is connected the inner containing space that forms in back and constitutes with thrust plate and side valve lid; It is characterized in that: valve core housing, spool, spring are set in the containing space; The valve core housing two ends have spool bore, one end of spool is respectively in spring is arranged on spool bore, have through flow hole on the body of valve core housing with two ends spool bore internal communication, the body of valve core housing and on through flow hole face the fluid input setting of valve body, the spool of valve core housing body both sides contacts with the outlet of the shunting stream of valve body both sides, valve core housing can ascending, descending in containing space, shunts between the stream in fluid input and the both sides that are communicated with it and forms switch.
On the mating face of side valve lid and valve body thrust plate is set, the spool contacting point with valve body internal valve core retainer plate both sides on the thrust plate is a sliding sealing surface, and sliding sealing surface is provided with the guidance tape that makes things convenient for valve core housing and two ends spool slip lifting.
The sliding sealing surface that contacts with spool is provided with solid lubricant.
Valve core housing is connected with the valve rod lower end, the connecting rod that valve rod is as a whole, and the valve rod upper end is connected with the drive unit that drives the valve core housing integral elevating.
Through flow hole is at body four pipelines to be set upwards directly, two pipelines is set on axially, per two radial line and an axial pipeline connection, and the two ends of two axial pipelines all are communicated with the spool bore at valve core housing two ends.
3, advantage and effect: by the enforcement of technical solution of the present invention, surface of contact often produces cavitation erosion because of entering of gas and foreign matter or scratch causes seal failure in the time of can solving existing cutting-off valve open and close well, and the adsorbate of fluid, be accumulated on valve internal or the surface of contact, make the seal failure of valve, and produce the problems such as pressure pulsation phenomenon of moment.The present invention has changed the valve core housing of existing high-pressure shut-off and spool and in valve body direction has been set, changed the flow direction of cutting off fluid, make valve core housing and spool in the containing space realize the switch of valve in face of the fluid input lifting, it is the stream pass valve of fluid, meets the basic principle of valve, and stability is better than fluid stream and drives valve, can not resemble stream holds and makes high-pressure liquid directly impact spool the valve, the spool jitter phenomenon that when closing, occurs, thus the bulk life time of valve influence, the increase rate of fault.Spool of the present invention contacts with the fluid outflow opening, the high-pressure liquid that flows into does not directly impact spool, spool shake in the time of can not occurring closing, and the setting of opening on the valve core housing, make flow of high-pressure fluid fashionable, flow into simultaneously in the spool bore at valve core housing two ends,, make spool close the self-compensating better effects if of back sealing like this in the double action of the spring force of high-pressure liquid.It also has following advantage:
1.. use the advantage of thrust plate: 1. replaceable, do not take engineering time; 2. can repair, save cost, reduce maintenance cost; 3. can adopt the high performance alloys material, the overall cost of high pressure valve is reduced, and overall performance be constant;
2.. the advantage of guiding is set: 1. do not have when guiding spool to be with matching gap not vertical with sliding sealing surface with spool, form the split-flow opening that bites and cause the valve seal inefficacy, can not use; 2. add a guidance tape on the split-flow opening, make split-flow opening become two semicircles, guarantee spool and sliding sealing surface, parallel all the time moves, and can not occurring bites causes seal wear; And embed solid lubricant on sliding sealing surface 24 surface of contact and guarantee sliding effect, the phenomenon of dry friction can not occur;
3.. adopt the advantage of whole valve rod: 1. whole valve rod guarantees that under hydrodynamic pressure pulsation condition valve rod is stable, can not cause phenomenon of rupture, guarantees equipment safety operation.
4.. reduce arm and driven power, avoided dry friction, prolonged the working life of two slip surfaces.
Four, description of drawings:
Accompanying drawing 2 is the surface structure schematic representation of high-pressure shut-off of the present invention;
Accompanying drawing 3 is the assembly structure schematic representation of high pressure valve of the present invention;
Accompanying drawing 4 is the valve core structure schematic representation of high pressure valve of the present invention.
The structural representation that accompanying drawing 5 is connected with valve rod for the spool of high pressure valve of the present invention;
Five, embodiment:
As follows below in conjunction with accompanying drawing to the detailed description of the invention, but do not limit the present invention because of following embodiment.
Among the figure: 2. valve body; 4. support; 6,8. flange; 16,18. thrust plates; 14. drive unit; 10,12. side valves lid; 20a, 20b. catchment port; 22a, 22b. split-flow opening; 24. sliding sealing surface; 30. valve core housing; 32,34. spools; S
1, S
2. spring; 36. valve rod; The upper and lower valve gap of 40a, 40b..
Embodiment 1:
As accompanying drawing 2,3, shown in 4, a kind of high pressure valve of the present invention, the valve body 2 that the pipeline that it mainly comprises with the fluid levels direction flows is connected, above-mentioned valve body 2 with thrust plate 16 is housed, 18 side valve lid 10,12 connect its interior containing space that forms of back, be provided with valve core housing 30 in the containing space, in the spool bore at valve core housing 30 two ends spool 32 is set, 34, spool 32,34 respectively with spring S1, S2 is pressed in the spool bore together, spool 32,34 with thrust plate 16,18 sliding sealing surface 24 contacts, valve core housing 30 can lifting in containing space, valve rod 36 bottoms connect valve core housing 30, top connects drive unit 14, drive unit 14 makes valve core housing 30 slide with sliding sealing surface by valve rod 36 and rises, fall, shunt between the stream in fluid input and the both sides that are communicated with it and to form switch, as shown in Figure 5, the connecting rod that valve rod 36 is as a whole, guaranteed its serviceability, have through flow hole on the body of valve core housing 30 with two ends spool bore internal communication, the body of valve core housing 30 faces the fluid input setting of valve body, the body inlet porting of valve core housing 30 faces the through flow hole of fluid input, through flow hole is at body four pipelines to be set upwards directly, axially two pipelines are set, per two radial line and an axial pipeline connection, article two, the two ends of axial pipeline all are communicated with the spool 32 of valve core housing 30 body both sides with the spool bore at valve core housing 30 two ends, 34 contact with the outlet of the shunting stream of valve body 2 both sides.After valve cut out, high-pressure liquid and spring force double action by opening flows into closely contacted two spools all the time with sliding sealing surface place fluid output, realized the sealing auto-compensation.Above-mentioned sliding sealing surface 24 is provided with the guidance tape 26b that makes things convenient for valve core housing 30 and 32, the 34 slip liftings of two ends spool.The sliding sealing surface that contacts with spool 32,34 is provided with solid lubricant, guarantees dry friction can not occur.
Promptly, 2 liang of side flanges of above-mentioned valve body 6,8 are the entry and exit of fluid, and form containing spaces with the side valve lid 10,12 that thrust plate 16,18 is housed, flow mouth in the containing space on the sliding sealing surface is split-flow opening 22a, 22b, valve core housing 30 can be in containing space ascending, descending formed the split-flow opening 22a on 32,34 pairs of sliding sealing surfaces 24 of spool in 30 liang of stomidiums of valve core housing, the open and close of 22b.
Above-mentioned, guidance tape 26a, the 26b on split-flow opening 22a, the 22b on thrust plate 16,18 play the guiding role when being spool 32,34 ascending, descendings.
In addition, valve core housing 30 can be driven by the drive unit of electromagnet congenerous on the solenoid valve.Like this, the spool on the valve core housing 30 32,34 just can carry out optionally open and close to split-flow opening 22a, 22b.
And, be valve rod 36 in valve body 2 containing space internal valve core retainer plates 30 central upper with the vertical connected element that is connected drive unit 14 of valve core housing, valve rod 36 bottoms are passed in the pilot hole that valve core housing 30 enters valve body 2 bottoms.
Above-mentioned pilot hole is arranged on bottom flange 40b, and bottom flange 40b is connected with valve body 2 bottoms, and is arranged in the center hole of support 4, and the lower end of pilot hole is a seal structure, and support 4 is connected with valve body 2 bottoms.
Above-mentioned valve body 2 by thrust plate 16,18, side valve lid 10,12, end valve gap 40a, bottom flange 40b and form.
Be split-flow opening 22a, the 22b of above-mentioned fluid, behind catchment port 20a, 20b, flow out outlet through the both sides fluid passage from the containing space of the valve body that enters the mouth.
Above-mentioned, in the valve core housing 30 two ends spool bore spring S is set
1, S
2, and be pressed into spool 32,34, make valve core housing 30 and spool 32,34 and spring form the spool bore space.Through flow hole on the valve core housing cylindrical communicates with spool bore, and spring force and hydrodynamic pressure are pressed against spool 32,34 on the sliding sealing surface 24.
That is, the present invention is by the driving force of drive unit 14, and actuate valve stem 36 makes valve core housing 30 ascending, descendings.The spool 32,34 at valve core housing 30 two ends forms the split-flow opening 22a on the sliding sealing surface, the switch of 22b, and the fluid passage that passes through both sides is controlled the break-make that high-pressure liquid flows to catchment port 20a, 20b.
When valve core housing 30 along sliding sealing surface 24 rise, when exposing split-flow opening 22a, 22b, by the pipeline that is connected with flange, high-pressure liquid promptly flows into, flows out.On the contrary, when valve core housing 30 descends along sliding sealing surface 24, when spool 32,34 hid split-flow opening 22a, 22b, the high-pressure liquid of the pipeline that connects by flange 6,8 promptly was cut off.
Beneficial effect provided by the invention is under the high-pressure liquid state, improves the speed of response of valve, has improved sealability greatly, and can prevent the generation of water hammer.
The present invention is in the hot rolling de-scaling of steel industry, can be used as Scale removing valve uses, control de-scaling high pressure water, and can close in high pressure water moment the time, prevent the generation of water hammer, when valve core housing 30 inner spools 32,34 produced wearing and tearing, the high-pressure liquid of spring s1, s2 in the valve core housing 30 and introducing valve core housing 30 two ends spool bore came on the sliding sealing surface valve core housing of wearing and tearing, has formed the automatic compensation of spool wearing and tearing.
The present invention is logical the control high-pressure liquid, when disconnected, with small driving force, just can be easy to the switch of control valve, and have good sealing effect.
Laboratory report with high pressure valve of the present invention during as Scale removing valve is submitted to together as the annex of substantive examination, and the life-span and the serviceability that can reflect it by it improve greatly.
Claims (5)
1. high pressure valve, it is mainly by the valve body that is connected with pipeline (2), and valve body (2) is connected the inner containing space formation that forms in back with thrust plate (16,18) and side valve lid (10,12); It is characterized in that: valve core housing (30) is set in the containing space, spool (32,34), spring (S1, S2) valve core housing (30) two ends have spool bore, spool (32,34) a end and spring (S1, S2) be arranged in the spool bore together, have through flow hole on the body of valve core housing (30) with two ends spool bore internal communication, the body of valve core housing (30) and on through flow hole face the fluid input setting of valve body, the spool (32 at valve core housing (30) body two ends, 34) contact with the outlet of the shunting stream of valve body (2) both sides, valve core housing (30) can rise in containing space, fall, reach between the both sides shunting stream that is communicated with it at fluid input and form switch.
2. high pressure valve according to claim 1, it is characterized in that: on the mating face of side valve lid (10,12) and valve body (2) thrust plate (16,18) is set, thrust plate (16,18) is gone up and spool (32, the 34) contacting point at valve body (2) internal valve core retainer plate (30) two ends is sliding sealing surface (24), and sliding sealing surface (24) is provided with the guidance tape (26b) that makes things convenient for valve core housing (30) and two ends spool (32,34) slip lifting.
3. high pressure valve according to claim 2 is characterized in that: the sliding sealing surface that contacts with spool (32,34) is provided with solid lubricant.
4. high pressure valve according to claim 1, it is characterized in that: valve core housing (30) is connected with valve rod (36) lower end, the as a whole connecting rod of valve rod (36), valve rod (36) upper end is connected with the drive unit (14) that drives valve core housing (30) integral elevating.
5. high pressure valve according to claim 1, it is characterized in that: through flow hole is at body four pipelines to be set upwards directly, axially two pipelines are set, per two radial line and an axial pipeline connection, the two ends of two axial pipelines all are communicated with the spool bore at valve core housing (30) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100467264A CN100392297C (en) | 2006-05-29 | 2006-05-29 | High pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100467264A CN100392297C (en) | 2006-05-29 | 2006-05-29 | High pressure valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1851296A CN1851296A (en) | 2006-10-25 |
| CN100392297C true CN100392297C (en) | 2008-06-04 |
Family
ID=37132785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100467264A Active CN100392297C (en) | 2006-05-29 | 2006-05-29 | High pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100392297C (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2297369A1 (en) * | 1975-01-13 | 1976-08-06 | Term Cailhoux Sa | Gate valve with two valve plates - has wedges forcing plates together away from seats against spring force |
| GB2144519A (en) * | 1983-08-05 | 1985-03-06 | Rolls Royce | Fluid flow valves |
| JPH06346981A (en) * | 1993-06-04 | 1994-12-20 | Tgk Co Ltd | Pilot type solenoid valve |
| CN2339815Y (en) * | 1997-10-07 | 1999-09-22 | 李肇伦 | Super-high-pressure plunger pump one-way valve |
| JP2000046227A (en) * | 1998-07-31 | 2000-02-18 | Aisin Seiki Co Ltd | Solenoid valve device |
| CN2900957Y (en) * | 2006-05-29 | 2007-05-16 | 李原华 | High pressure valve |
-
2006
- 2006-05-29 CN CNB2006100467264A patent/CN100392297C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2297369A1 (en) * | 1975-01-13 | 1976-08-06 | Term Cailhoux Sa | Gate valve with two valve plates - has wedges forcing plates together away from seats against spring force |
| GB2144519A (en) * | 1983-08-05 | 1985-03-06 | Rolls Royce | Fluid flow valves |
| JPH06346981A (en) * | 1993-06-04 | 1994-12-20 | Tgk Co Ltd | Pilot type solenoid valve |
| CN2339815Y (en) * | 1997-10-07 | 1999-09-22 | 李肇伦 | Super-high-pressure plunger pump one-way valve |
| JP2000046227A (en) * | 1998-07-31 | 2000-02-18 | Aisin Seiki Co Ltd | Solenoid valve device |
| CN2900957Y (en) * | 2006-05-29 | 2007-05-16 | 李原华 | High pressure valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1851296A (en) | 2006-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YINGKOU AIWEISITE VALVE CO., LTD. Free format text: FORMER OWNER: LI YUANHUA Effective date: 20131114 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 161042 QIQIHAR, HEILONGJIANG PROVINCE TO: 115000 YINGKOU, LIAONING PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20131114 Address after: 115000, No. 145, Xinxing street, West District, Liaoning, Yingkou Patentee after: YINGKOU ACE WITT VALVE CO., LTD. Address before: 161042, No. two, No. 28, happy neighborhood, Fulaerji District, Heilongjiang, Qigihar, 12-3-37 Patentee before: Li Yuanhua |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High pressure valve Effective date of registration: 20180601 Granted publication date: 20080604 Pledgee: Bank of Dandong, Limited by Share Ltd, Yingkou branch Pledgor: YINGKOU ACE WITT VALVE CO., LTD. Registration number: 2018210000016 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190605 Granted publication date: 20080604 Pledgee: Bank of Dandong, Limited by Share Ltd, Yingkou branch Pledgor: YINGKOU ACE WITT VALVE CO., LTD. Registration number: 2018210000016 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |