CN103899781A - Check flushing valve capable of changing flushing directions automatically - Google Patents
Check flushing valve capable of changing flushing directions automatically Download PDFInfo
- Publication number
- CN103899781A CN103899781A CN201410115693.9A CN201410115693A CN103899781A CN 103899781 A CN103899781 A CN 103899781A CN 201410115693 A CN201410115693 A CN 201410115693A CN 103899781 A CN103899781 A CN 103899781A
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- China
- Prior art keywords
- valve
- tooth
- spool
- spray
- boss
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0446—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces
- F16K17/046—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces the valve being of the gate valve type or the sliding valve type
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K21/00—Fluid-delivery valves, e.g. self-closing valves
- F16K21/04—Self-closing valves, i.e. closing automatically after operation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Nozzles (AREA)
Abstract
A check flushing valve capable of changing flushing directions automatically comprises a valve body and a valve core. A valve seat is arranged in a valve cavity on the inner side of the inlet of the valve body, a valve core seal end in the valve cavity is sealed with the valve seat correspondingly, the other end of the valve core is a guide rod matching with an end cover through hole of the valve body, a return spring is arranged between the end cover and the valve core, the side face of the guide rod is provided with a flushing port, and the flushing port is communicated with the valve cavity through the valve core and a guide rod inner channel. The check flushing valve is characterized in that a front positioning seat is arranged on the periphery of the valve seat in the valve cavity, the valve core is provided with a boss around the same, two ends of the boss are provided with end face teeth with same tooth indexes, the front end of the boss and the front positioning seat are provided with front end face teeth engaged with a symmetrical bevel, and the rear end of the boss and a rear positioning seat on the inner side of the end cover are provided with rear end face teeth engaged with a single bevel; the front end face teeth are engaged, the rear end face teeth are staggered, and the staggering angle is smaller than the tooth index and larger than half of the tooth index. The check flushing valve has the advantages that flushing range can be increased, sediment fixing a pile can be flushed fastly, pile pulling resistance is decreased, and pile raising efficiency is improved.
Description
Technical field
The present invention relates to non-return spray and rush valve, be specifically related to wash away the pile body spray of silt around in the mobile drill platform transition pile pulling operation of a kind of sea and rush valve.
Background technique
As shown in Figure 1, to rush valve be that the A end of valve body 1 is connected with pressure spraying water pipe in existing conventional spray.When work, high pressure water is pushed spool 3 to make the spray C that blurts out overhanging in working position open: now Returnning spring 5 is compressed, sealing is simultaneously paid B and is opened: high-pressure water flow is through spool 3 internal channels, by blurt out C ejection of four sprays, wash away the silt of fixing pile body, lower pile extraction resistance.In the time of high pressure water decompression, spool 3 resets under Returnning spring 5 effects, and B sealing is paid in sealing: prevent sea water encroachment.Valve is rushed in such spray, and spool only flexible can not turn round, and four sprays angle that C washes away fixing pile body silt of blurting out can not change, and the scope of washing away is little, and efficiency is low.See Fig. 1, valve high-pressure water inlet A and spool 3 coaxial lines are rushed in conventional non-return spray.Spool 3 slidable fit are in valve body 1, and O type rubber seal 4 and 7 is sliding seal.Plug 2 use thread seals are fixed on spool 3.In the time of high pressure water decompression, Returnning spring 5, by spool 3 pushed home, makes sealing pay B and keeps necessary seal pressure, guarantees its return valve function.
Summary of the invention
The invention provides a kind of spray of conversion automatically and rush the spray of direction non-return and rush valve, it is little that valve scouring sediment scope is rushed in the routine spray that object is to solve existing use; Inefficient problem.
Automatic conversion spray of the present invention is rushed the spray of direction non-return and is rushed valve, there are valve body and spool, inside the entrance point of valve body, valve pocket is with valve seat, seal spool end sealing corresponding to valve seat in valve pocket, the spool the other end is with guide rod, guide rod moves and coordinates with the end cap through hole of valve body, between end cap and spool, be provided with Returnning spring, blurt out with spray in guide rod side, spray is blurted out and is communicated with valve pocket by guide rod and spool internal channel, it is characterized in that: in valve pocket, valve seat paripheral zone has prelocalization seat, the outer garden of spool with around boss, boss two ends are with the identical end-tooth of tooth calibration, boss front end and the front-end face tooth of prelocalization seat with the symmetrical inclined-plane being meshed, the rear positioning seat of boss rear end and end cap inner side is with the ear end face tooth of the monocline face being meshed, front-end face tooth is meshed, and ear end face tooth is staggered, and the angle that is staggered is being less than tooth calibration, is being greater than within the scope of 1/2nd tooth calibration.Like this, high pressure water is pushed spool open that spray is blurted out is overhanging in working position when work.Returnning spring is compressed, after spool, move, depart from the alignment restrictions of prelocalization seat, in the time of the ear end face tooth contact of spool ear end face tooth and rear positioning seat, owing to there being the angle that is staggered of setting therebetween, form engagement angle of revolution poor, high pressure water thrust order about spool turn round one being less than tooth calibration, be greater than after the angle between 1/2nd tooth calibration, ear end face tooth is intermeshing, and spool is in turning rear positioning states.The angular phase that be less than tooth calibration because spool 2 revolution makes one of the front-end face between cog generation of its front-end face tooth and prelocalization seat, is greater than 1/2nd tooth calibration is poor, forms a new angle of revolution poor.Now sealing is paid and is opened, and high-pressure water flow is blurted out and sprayed the silt that washes away fixing pile body by spray through spool internal channel, lowers pile extraction resistance.In the time of high pressure water decompression, spool makes every effort to reset under Returnning spring orders about.When the front-end face tooth contact of spool front-end face tooth and prelocalization seat, owing to having produced therebetween, engagement angle of revolution is poor, forces spool again to turn round an angular phase that is less than 1/2nd tooth calibration.Front-end face tooth and prelocalization seat front-end face tooth are intermeshing: the location of spool 2 after again turning round.(now end-tooth and the ear end face between cog of rear positioning seat produce again one to engage angle of revolution poor thereafter.) now sealing pair B sealing, prevent sea water encroachment.When high pressure water again in the time that A end is introduced valve body spool will repeat said process, spray is blurted out and is forwarded new position to and spray punching.
The present invention and existing spray are rushed valve and are relatively had the following advantages:
Because spool adopts controlled revolving structure, spool 2 is that flexible can be turned round again, makes to spray the variable-angle of the C scouring sediment of blurting out, and expands and washes away scope, washes away fast the silt of fixing pile body, lowers pile extraction resistance, has improved stake efficiency.
Accompanying drawing explanation
Valve schematic diagram is rushed in the existing non-return spray of Fig. 1;
Fig. 2 automatic conversion spray of the present invention is rushed the spray of direction non-return and is rushed valve schematic diagram;
Valve core structural representation is rushed in the existing non-return spray of Fig. 3;
Fig. 4 changes spray and rushes direction non-return spray and rush the valve core structure schematic diagram of valve automatically;
Fig. 5 changes spray and rushes direction non-return spray and rush the prelocalization stand structure schematic diagram of valve automatically;
Fig. 6 changes spray and rushes direction non-return spray and rush the rear location seat structure schematic diagram of valve automatically;
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment
A kind of the present invention automatically changes spray and rushes the spray of direction non-return and rush valve (see figure 2), there are valve body 1 and spool 3, inside the entrance point of valve body, valve pocket is with valve seat, seal spool end sealing corresponding to valve seat in valve pocket, the spool the other end is guide rod, guide rod moves and coordinates with the end cap through hole of valve body, between end cap 6 and spool 3, be provided with Returnning spring 5, guide rod side is with the spray C that blurts out, spray is blurted out and is communicated with valve pocket by guide rod and spool internal channel, it is characterized in that: in valve pocket, valve seat paripheral zone has prelocalization seat 21, the outer garden of spool with around boss, boss two ends are the end-tooth (also claiming special flute profile) of 60 ° with between cog calibration, boss front end and the front-end face tooth 41 of prelocalization seat with the symmetrical inclined-plane being meshed, the rear positioning seat of boss rear end and end cap inner side is with the ear end face tooth 42 of the monocline face being meshed, when assembling, symmetrical inclined-plane tooth is meshed, and adjusts the tilt fixing of end cap, make the monocline face tooth of boss rear end and the monocline face tooth of rear positioning seat be staggered angle between 30 ° and 60 °, as the angle that is staggered is 32 degree.
Existing shown in Fig. 3
onlyreturn spray and rush valve core structural representation, it is distinguished with the structure of spool of the present invention is that its front end and back end is without end-tooth.
The present invention shown in Fig. 4 automatically changes spray and rushes direction non-return spray and rush valve core structure, and its front end and back end respectively arranges special flute profile, and its front end and back end is end-tooth.
The present invention shown in Fig. 5 automatically changes spray and rushes direction non-return spray and rush the end-tooth of valve prelocalization stand structure with symmetrical inclined-plane.
The present invention shown in Fig. 6 automatically changes spray and rushes direction non-return spray and rush after valve location seat structure with the end-tooth of monocline face.
Boss two ends are the end-tooth of 60 ° with between cog calibration, and symmetrical inclined-plane tooth is meshed, and the monocline face tooth of the monocline face tooth of boss rear end and the rear positioning seat angle that is staggered is a, 60 ° of 30 ° of < a <.Figure 2 shows that the present invention automatically changes spray and rushes direction non-return spray and rush valve.The A end (medium inlet end) of valve body 1 is connected with pressure spraying water pipe.Prelocalization seat 21 use screws 20 and positioning hole 51 thereof just can be positioned in valve body 1, and rear positioning seat and end cap 6 are connected as a single entity and are connected with valve body 1 with screw thread.The front and back ends of spool 2 boss is respectively equipped with special flute profile (the front-end face tooth 41 on symmetrical inclined-plane, the ear end face tooth 42 of monocline face) and is meshed with the special flute profile of forward and backward positioning seat.When assembling, make the special flute profile of front end (the front-end face tooth 41 on symmetrical inclined-plane) of spool 2 be meshed with the front-end face tooth on the symmetrical inclined-plane of prelocalization seat; Adjust end cap 6 and rear positioning seat, make the ear end face between cog of the special flute profile in rear end (the ear end face tooth 42 of monocline face) the monocline face corresponding to rear positioning seat of spool 2 produce 60 ° of poor a(30 ° of < a < in engagement angle of revolution).When work, high pressure water is pushed spool 2 to make the spray C that blurts out overhanging in working position open.Returnning spring 5 is compressed: after spool 2, move, depart from the alignment restrictions of prelocalization seat 21 and front-end face tooth, free to rotate: in the time of the ear end face tooth contact of spool 2 ear end face teeth (the ear end face tooth 42 of monocline face) monocline face corresponding to rear positioning seat, owing to having the engagement angle of revolution of setting poor therebetween (as 32 °), high pressure water thrust is ordered about spool 2 and is turned round after the angle (as 32 °) of a setting, when spool 2 ear end face teeth (the ear end face tooth 42 of monocline face) with after the ear end face tooth of the corresponding monocline face of positioning seat intermeshing, formation flute profile is intermeshing, spool 2 is in turning rear positioning states.Because making itself and the special flute profile of front end (the front-end face tooth 41 on symmetrical inclined-plane) and the front-end face between cog on the symmetrical inclined-plane of prelocalization seat produce a new angle of revolution, spool 2 revolution differs from a(as 32 °).Now sealing is paid a B and is opened, and high-pressure water flow washes away the silt of fixing pile body through spool 2 internal channels by blurt out C ejection of spray, lowers pile extraction resistance.
In the time of high pressure water decompression, spool 2 makes every effort to reset under Returnning spring 5 orders about.The end-tooth summit (as 2 °) that prelocalization seat is departed from spool 2 front-end face teeth (the front-end face tooth 41 on symmetrical inclined-plane) summit, when spool 2 front-end face teeth contact with the front-end face tooth of prelocalization seat 21, owing to having produced engagement angle of revolution poor (32 °) therebetween, force spool 2 again to turn after an angle (as 28 °), the front-end face tooth of front-end face flute profile and prelocalization seat 21 is intermeshing: spool 2 is in again rotating rear new location.Now end face tooth type produces again one with the ear end face between cog of rear positioning seat 6 and engages the poor a(in angle of revolution as 32 ° thereafter).B sealing is paid in now sealing, prevents sea water encroachment.
When high pressure water again in the time that A end is introduced valve body spool 2 break through journey by repeating above-mentioned spray, spray is blurted out and is forwarded to and differed 60 ° of positions last time and spray punching.Blurt out as within one week, being uniformly distributed four sprays, change a position and spray punching, just can wash away the position of not washing away last time.
Described engagement angle of revolution, refers to when flute profile is intermeshing, around the axis of its spool, and the angle of rotation.
Described medium inlet end, i.e. valve front end, is also high-pressure water inlet end.
major parameter:
Maximum operating pressure: 10MPa.
Claims (2)
1. an automatic conversion spray is rushed the spray of direction non-return and is rushed valve, there are valve body and spool, inside the entrance point of valve body, valve pocket is with valve seat, seal spool end sealing corresponding to valve seat in valve pocket, the spool the other end is guide rod, guide rod moves and coordinates with the end cap through hole of valve body, between end cap and spool, be provided with Returnning spring, blurt out with spray in guide rod side, spray is blurted out and is communicated with valve pocket by spool and guide rod internal channel, it is characterized in that: in valve pocket, valve seat paripheral zone has prelocalization seat, the outer garden of spool with around boss, boss two ends are with the identical end-tooth of between cog calibration, boss front end and the front-end face tooth of prelocalization seat with the symmetrical inclined-plane being meshed, the rear positioning seat of boss rear end and end cap inner side is with the ear end face tooth of the monocline face being meshed, front-end face tooth is meshed, and ear end face tooth is staggered, and the angle that is staggered is being less than tooth calibration, is being greater than within the scope of 1/2nd tooth calibration.
2. automatic conversion spray is rushed the spray of direction non-return and is rushed valve as claimed in claim 1, it is characterized in that: boss two ends are the end-tooth of 60 ° with between cog calibration, and prelocalization tooth is meshed, and rear locating tooth is staggered angle between 30 °-60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115693.9A CN103899781A (en) | 2014-03-26 | 2014-03-26 | Check flushing valve capable of changing flushing directions automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115693.9A CN103899781A (en) | 2014-03-26 | 2014-03-26 | Check flushing valve capable of changing flushing directions automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103899781A true CN103899781A (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410115693.9A Pending CN103899781A (en) | 2014-03-26 | 2014-03-26 | Check flushing valve capable of changing flushing directions automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103899781A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3714789A (en) * | 1970-12-29 | 1973-02-06 | Bolt Associates Inc | Automatically self-regulating variable-stroke, variable-rate and quiet-operating pile driver method and system |
| CN202519673U (en) * | 2012-05-08 | 2012-11-07 | 东营市志宏石油机械有限公司 | Pile shoe jetting device of marine drilling platform |
| CN202767080U (en) * | 2012-03-23 | 2013-03-06 | 姜堰市盛翔机械制造有限公司 | Dredging lifting device internally provided with nozzle |
| CN203022661U (en) * | 2012-07-29 | 2013-06-26 | 中国石油化工股份有限公司 | Multi-purpose machinery blocking-up type pulse spinning jet flowing spraying cleaning device |
| CN203784344U (en) * | 2014-03-26 | 2014-08-20 | 大连祥瑞阀门制造有限公司 | Non-return jetting valve capable of automatically switching jetting direction |
-
2014
- 2014-03-26 CN CN201410115693.9A patent/CN103899781A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3714789A (en) * | 1970-12-29 | 1973-02-06 | Bolt Associates Inc | Automatically self-regulating variable-stroke, variable-rate and quiet-operating pile driver method and system |
| CN202767080U (en) * | 2012-03-23 | 2013-03-06 | 姜堰市盛翔机械制造有限公司 | Dredging lifting device internally provided with nozzle |
| CN202519673U (en) * | 2012-05-08 | 2012-11-07 | 东营市志宏石油机械有限公司 | Pile shoe jetting device of marine drilling platform |
| CN203022661U (en) * | 2012-07-29 | 2013-06-26 | 中国石油化工股份有限公司 | Multi-purpose machinery blocking-up type pulse spinning jet flowing spraying cleaning device |
| CN203784344U (en) * | 2014-03-26 | 2014-08-20 | 大连祥瑞阀门制造有限公司 | Non-return jetting valve capable of automatically switching jetting direction |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140702 |
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| RJ01 | Rejection of invention patent application after publication |