CN108952608B - Automatic trigger butt joint opening turning plate structure - Google Patents
Automatic trigger butt joint opening turning plate structure Download PDFInfo
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- CN108952608B CN108952608B CN201810917932.0A CN201810917932A CN108952608B CN 108952608 B CN108952608 B CN 108952608B CN 201810917932 A CN201810917932 A CN 201810917932A CN 108952608 B CN108952608 B CN 108952608B
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- shoulder
- valve
- valve seat
- outer cylinder
- automatic
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- 210000001503 joint Anatomy 0.000 title abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000001960 triggered effect Effects 0.000 claims abstract description 13
- 230000007306 turnover Effects 0.000 claims description 10
- 239000011435 rock Substances 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 239000012634 fragment Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Check Valves (AREA)
- Safety Valves (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention relates to a turning plate structure capable of automatically triggering butt joint opening, which comprises a turning plate valve and an outer cylinder, wherein the turning plate valve comprises a valve seat, a valve clack and a spring piece, the valve seat is arranged in the outer cylinder, the valve clack is hinged with the upper end of the valve seat, a valve port sealing surface matched with the valve clack is arranged at the top of the valve seat, a through hole is formed in the side wall of the outer cylinder, an elastic latch matched with the through hole is formed in the outer wall of the valve seat, the upper end of the elastic latch is connected with the valve seat, and the lower end of the elastic latch can be operably blocked at the through hole; one end of the spring piece is connected with the outer side wall of the valve clack in a sliding way, and the other end of the spring piece is connected with the outer cylinder. The outer wall of the valve seat is provided with a first shoulder, the first shoulder is positioned above the elastic latch, the inner wall of the outer cylinder is provided with a third shoulder and a second shoulder matched with the first shoulder, and a spring is arranged between the third shoulder and the first shoulder. When the lower end of the elastic latch is blocked at the through hole, the first shoulder is abutted against the second shoulder, and the spring is in a compressed state. The invention can be triggered outside the cylinder to realize automatic butt joint opening; while the opening is not blocked by pressure.
Description
Technical Field
The invention relates to the technical field of coring equipment, in particular to a turning plate structure capable of automatically triggering butt joint opening.
Background
At present, in the field of pressure-keeping coring, the upper end of a pressure-keeping cylinder is generally sealed by a piston, and the lower end of the pressure-keeping cylinder is generally sealed by a ball valve or a flap valve. The ball valve structure is more complicated, and space occupation is big, has restricted the diameter of boring the core, and ball valve processing technology requires highly, and when pressure is great, the liquid of pressurize section of thick bamboo the inside can ooze from the gap between ball valve and the core section of thick bamboo, can not maintain higher pressure.
As shown in FIG. 1, the prior flap valve structure, wherein, the flap valve includes disk seat (serial number 1) and valve clack (serial number 2), and the disk seat is installed on urceolus (serial number 4) inner wall, and valve clack one end and disk seat upper end lateral wall swing joint are equipped with valve clack sealing washer (serial number 24) on the valve clack sealing face, and there is the valve port sealing face (serial number 11) that matches with the valve clack at the disk seat top, when core section of thick bamboo (serial number 7) is arranged in the disk seat, because the effort of core section of thick bamboo, makes the valve clack open 90 degrees to hide between core section of thick bamboo and urceolus (serial number 4). In the coring stage, after the rock core barrel is lifted to a certain height upwards, the valve clack is automatically closed under the action of the elastic sheet (sequence number 3), but when the rock core barrel is docked with the test cabin, the rock core in the rock core barrel can be pushed into the test cabin only after the valve clack is opened, the valve clack in the existing flap valve structure can only be opened upwards, and the valve clack is blocked in terms of pressure during opening, so that the valve clack is difficult to open and inconvenient to operate.
Disclosure of Invention
The invention aims to provide a turning plate structure capable of automatically triggering the butt joint to be opened, and the turning plate structure can be operated outside a cylinder when in butt joint operation with an experimental cabin, so that the automatic opening is realized.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the automatic triggering butt-joint opening turnover plate structure comprises a turnover plate valve and an outer barrel, wherein the turnover plate valve comprises a valve seat, a valve clack and a spring piece, the valve seat is arranged in the outer barrel, the valve clack is hinged with the upper end of the valve seat, a valve port sealing surface matched with the valve clack is arranged at the top of the valve seat, at least one through hole is formed in the side wall of the outer barrel, an elastic latch matched with the through hole is formed in the outer wall of the valve seat, the upper end of the elastic latch is connected with the valve seat, and the lower end of the elastic latch is operably blocked at the through hole; one end of the spring piece is connected with the outer side wall of the valve clack in a sliding way, and the other end of the spring piece is connected with the outer cylinder.
Further, the outer wall of the valve seat is provided with a first shoulder, the inner wall of the outer cylinder is provided with a second shoulder, the first shoulder is positioned above the elastic latch, a spring is arranged between the second shoulder and the first shoulder, and when the lower end of the elastic latch is blocked at the through hole, the spring is in a compressed state.
Further, the inner wall of the outer cylinder is provided with a third shoulder matched with the first shoulder, the second shoulder is positioned above the third shoulder, and when the lower end of the elastic latch is blocked at the through hole, the first shoulder is abutted against the third shoulder.
Further, at least two through holes are circumferentially and equally arranged on the outer cylinder at intervals.
Preferably, three through holes are circumferentially and equally spaced on the outer cylinder.
Further preferably, the valve seat is provided with a ring of elastic latches.
Wherein, be equipped with the sealing washer between disk seat and the urceolus.
Wherein, the sealing washer is installed on the disk seat.
Wherein, the valve clack surface is equipped with the spout, the spring leaf other end is adorned in the spout.
Further, the spring piece includes pivot, slider and has elastic shell fragment, and shell fragment one end is connected with the slider, and the shell fragment other end is connected with the pivot, and the pivot is installed on the urceolus, and the slider is installed in the spout.
Compared with the prior art, the invention has the following beneficial effects:
the invention has the advantages of simple structure, ingenious design,can be triggered outside the cylinder to realize automatic butt joint and opening, so that the core can be separated from the rock The heart cylinder is pushed into the test cabinThe method comprises the steps of carrying out a first treatment on the surface of the And meanwhile, when the butt joint is opened, the valve clack is opened downwards, and the downward opening is not blocked by pressure, so that the butt joint is easier.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic view of the structure of the present invention with the valve flap open upward;
FIG. 3 is a schematic view of the structure of the present invention with the valve flap closed;
FIG. 4 is a schematic view of the structure of the present invention with the valve flap opened downward;
FIG. 5 is a longitudinal view of the valve flap;
FIG. 6 is a lateral view of a valve flap;
FIG. 7 is a schematic view of the structure of the elastic snap ring gear;
in the figure: 1-valve seat, 2-valve clack, 3-spring leaf, 4-urceolus, 5-spring, 6-sealing washer, 7-core section of thick bamboo, 11-valve port sealing face, 12-elasticity latch, 21-spout, 24-valve clack sealing washer, 31-pivot, 32-shell fragment, 33-slider, 41-through-hole, 81-first shoulder, 82-second shoulder, 83-third shoulder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
As shown in fig. 2, 3 and 4, the automatic triggering butt-joint opening turnover plate structure disclosed by the invention comprises a turnover plate valve and an outer cylinder 4, wherein the turnover plate valve comprises a valve seat 1, a valve clack 2 and a spring piece 3, the valve seat 1 is arranged in the outer cylinder 4, the valve clack 2 is hinged with the upper end of the valve seat 1, a valve port sealing surface 11 matched with the valve clack 2 is arranged at the top of the valve seat 1, at least one through hole 41 is arranged on the side wall of the outer cylinder 4, the number of the through holes 41 can be set according to requirements, for example, two, three or more through holes 41 are arranged on the outer cylinder 4 at equal intervals in the circumferential direction in the embodiment. The outer wall of the valve seat 1 is provided with an elastic latch 12 which is matched with the through hole 41, the upper end of the elastic latch 12 is connected with the valve seat 1, the lower end of the elastic latch 12 is a free end, and the free end is operably blocked at the through hole 41.
The outer wall of the valve seat 1 is provided with a first shoulder 81, the first shoulder 81 is positioned above the elastic latch 12, the inner wall of the outer cylinder 4 is provided with a second shoulder 82, and a spring 5 is arranged between the second shoulder 82 and the first shoulder 81. The upper end of the spring 5 is connected to the second shoulder 82 and the lower end of the spring 5 is connected to the first shoulder 81. The spring 5 is a spiral spring, and the spiral spring is sleeved outside the valve seat 1. When the lower end of the elastic latch 12 abuts against the through hole 41, the spring 5 is in a compressed state.
In another embodiment, the inner wall of the outer cylinder 4 has a third shoulder 83 which is adapted to the first shoulder 81, the second shoulder 82 being located above the third shoulder 83, the first shoulder 81 interfering with the third shoulder 83 when the lower end of the resilient latch 12 abuts against the through hole 41 for limiting upward movement of the valve seat 1.
One end of the spring piece 3 is connected with the outer side wall of the valve clack 2 in a sliding way, and the other end of the spring piece 3 is connected with the outer cylinder 4. As shown in fig. 5 and 6, the outer surface of the valve clack 2 is provided with a chute 21, and the other end of the spring piece 3 is arranged in the chute 21. The spring piece 3 comprises a rotating shaft 31, a sliding block 33 and an elastic spring piece 32, the spring piece 32 is a curved steel sheet, one end of the spring piece 32 is connected with the sliding block 33, the other end of the spring piece 32 is connected with the rotating shaft 31, the rotating shaft 31 is arranged on the outer cylinder 4, and the sliding block 33 is arranged in the sliding groove 21. As shown in fig. 2, 3 and 4, the elastic piece 32 is always connected with the outer cylinder 4 and the valve clack 2 in the straightened and bent state, so that the elastic piece 32 is used as a hold-down when the valve clack 2 is opened.
In another embodiment, the valve seat 1 is provided with a ring of resilient latches 12. As shown in fig. 7, the elastic latch ring is provided with a plurality of elastic latches 12, and the elastic latch ring is arranged in the annular groove on the outer wall of the valve seat 1.
A plurality of sealing rings 6 are arranged between the valve seat 1 and the outer cylinder 4, and the sealing rings 6 are arranged on the valve seat 1 and are used for sealing between the valve seat 1 and the outer cylinder 4.
As shown in fig. 2 and 3, when the valve clack 2 is opened or closed upwards, the elastic latch 12 is at the through hole 41, and the elastic latch 12 is unfolded outwards through the through hole 41 under the action of self elasticity, so as to resist against the outer cylinder 4, so that the valve seat 1 cannot move downwards, and at this time, the valve seat 1 cannot move upwards due to the interference of the first shoulder 81 and the third shoulder 83, so that the sealing position of the valve seat is locked.
As shown in fig. 3, when the sealing is triggered, the elastic sheet 32 is bent to push the valve clack 2 to turn down, so as to realize sealing fit with the valve seat 1. As shown in fig. 4, during the butt joint operation, the elastic latch 12 is reset from the through hole 41 to release the lock, under the pushing of the elastic force of the spring 5, the valve seat 1 moves downwards and pulls the end connected with the valve clack 2 to move downwards, the other end of the valve clack 2 is pulled by the elastic sheet 32, so that the valve clack 2 moves downwards and reverses, and when the valve clack 2 is turned to the vertical position, the sealing butt joint opening is realized.
During butt joint operation, the fidelity cabin is connected with the experiment cabin, the pressure intensity in the experiment cabin is regulated to be equal to that in the fidelity cabin, elastic latch teeth are triggered outside the barrel, automatic opening of the flap valve is realized, and then the rock core is pushed into the experiment cabin from the rock core barrel; meanwhile, when the butt joint is opened, the valve clack is opened downwards, and the downward opening is not blocked by pressure and the triggering inner cylinder, so that the butt joint is easier.
There are, of course, many other embodiments of the invention that can be made by those skilled in the art in light of the above teachings without departing from the spirit or essential scope thereof, but that such modifications and variations are to be considered within the scope of the appended claims.
Claims (10)
1. The automatic triggering butt-joint opening turnover plate structure comprises a turnover plate valve and an outer cylinder (4), wherein the turnover plate valve comprises a valve seat (1), a valve clack (2) and a spring piece (3), the valve seat (1) is arranged in the outer cylinder (4), the valve clack (2) is hinged with the upper end of the valve seat (1), a valve port sealing surface (11) matched with the valve clack (2) is arranged at the top of the valve seat (1), the automatic triggering butt-joint opening turnover plate structure is characterized in that at least one through hole (41) is formed in the side wall of the outer cylinder (4), an elastic latch (12) matched with the through hole (41) is arranged on the outer wall of the valve seat (1), the upper end of the elastic latch (12) is connected with the valve seat (1), and the lower end of the elastic latch (12) is operably blocked at the through hole (41); one end of the spring piece (3) is connected with the outer side wall of the valve clack (2) in a sliding way, and the other end of the spring piece (3) is connected with the outer cylinder (4).
2. The automatic-triggered docking-opening flap structure of claim 1, wherein: the outer wall of the valve seat (1) is provided with a first shoulder (81), the inner wall of the outer cylinder (4) is provided with a second shoulder (82), the first shoulder (81) is positioned above the elastic latch (12), a spring (5) is arranged between the second shoulder (82) and the first shoulder (81), and when the lower end of the elastic latch (12) is blocked at the through hole (41), the spring (5) is in a compressed state.
3. The automatic-triggered docking-opening flap structure of claim 2, wherein: the inner wall of the outer barrel (4) is provided with a third shoulder (83) which is matched with the first shoulder (81), the second shoulder (82) is positioned above the third shoulder (83), and when the lower end of the elastic latch (12) is blocked at the through hole (41), the first shoulder (81) is abutted against the third shoulder (83).
4. The automatic-triggered docking-opening flap structure of claim 1, wherein: at least two through holes (41) are circumferentially and equally arranged on the outer cylinder (4).
5. The automatic-triggered docking-opening flap structure of claim 4, wherein: three through holes (41) are circumferentially and equally arranged on the outer cylinder (4).
6. The automatic-triggered docking-opening flap structure of claim 1, 4 or 5, wherein: a circle of elastic latch teeth (12) are arranged on the valve seat (1).
7. The automatic-triggered docking-opening flap structure of claim 1, wherein: a sealing ring (6) is arranged between the valve seat (1) and the outer cylinder (4).
8. The automatic-triggered docking-opening flap structure of claim 7, wherein: the sealing ring (6) is arranged on the valve seat (1).
9. The automatic-triggered docking-opening flap structure of claim 1, wherein: the outer surface of the valve clack (2) is provided with a chute (21), and the other end of the spring piece (3) is arranged in the chute (21).
10. The automatic-triggered docking-opening flap structure of claim 9, wherein: the spring piece (3) comprises a rotating shaft (31), a sliding block (33) and an elastic spring piece (32), one end of the spring piece (32) is connected with the sliding block (33), the other end of the spring piece (32) is connected with the rotating shaft (31), the rotating shaft (31) is arranged on the outer cylinder (4), and the sliding block (33) is arranged in the sliding groove (21).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917932.0A CN108952608B (en) | 2018-08-13 | 2018-08-13 | Automatic trigger butt joint opening turning plate structure |
| PCT/CN2018/109037 WO2020034367A1 (en) | 2018-08-13 | 2018-09-30 | Automatic triggered docking and opening flip board structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917932.0A CN108952608B (en) | 2018-08-13 | 2018-08-13 | Automatic trigger butt joint opening turning plate structure |
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| Publication Number | Publication Date |
|---|---|
| CN108952608A CN108952608A (en) | 2018-12-07 |
| CN108952608B true CN108952608B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810917932.0A Active CN108952608B (en) | 2018-08-13 | 2018-08-13 | Automatic trigger butt joint opening turning plate structure |
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| Country | Link |
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| CN (1) | CN108952608B (en) |
| WO (1) | WO2020034367A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748653B (en) * | 2019-11-26 | 2024-03-26 | 深圳大学 | Pressure-maintaining corer flap valve with multistage sealing structure |
| CN112392429B (en) * | 2020-11-18 | 2022-09-27 | 中海石油(中国)有限公司 | Underwater wellhead emergency releasing well sealing device and method with inner and outer barrel structures |
| CN112682004B (en) * | 2020-12-30 | 2022-11-18 | 纽威石油设备（苏州）有限公司 | Emergency releasing well-sealing equipment for underwater well mouth |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514240A (en) * | 2017-10-13 | 2017-12-26 | 四川大学 | A kind of high stability pressurize coring device automatically controlled |
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| DE3314689C1 (en) * | 1983-04-22 | 1984-04-19 | Alfred 7440 Nürtingen Waldner | Device for sinking a terrestrial-heat-collector probe in the earth |
| US4531587A (en) * | 1984-02-22 | 1985-07-30 | Baker Oil Tools, Inc. | Downhole flapper valve |
| US7789156B2 (en) * | 2004-06-24 | 2010-09-07 | Renovus Limited | Flapper valve for use in downhole applications |
| US7762336B2 (en) * | 2006-06-12 | 2010-07-27 | Weatherford/Lamb, Inc. | Flapper latch |
| CN201166125Y (en) * | 2008-02-01 | 2008-12-17 | 深圳市清泉水业股份有限公司 | Flap valve |
| GB0806094D0 (en) * | 2008-04-04 | 2008-05-14 | Corpro Systems Ltd | Core sampling apparatus and method |
| CN102134980B (en) * | 2010-01-25 | 2014-07-16 | 中国石油化工集团 | Device for sealing plate valve through pretightening |
| CN201843573U (en) * | 2010-10-28 | 2011-05-25 | 中国石油集团渤海钻探工程有限公司 | Underground available and drillable ash injection bridge plug |
| RU2449192C1 (en) * | 2010-11-29 | 2012-04-27 | Общество с ограниченной ответственностью "Русская электротехническая компания" ("РУСЭЛКОМ") | Reversible check valve |
| US9502141B2 (en) * | 2014-03-05 | 2016-11-22 | The United States Of America As Represented By Secretary Of The Navy | Surface sediment core catcher |
| CN104989323A (en) * | 2015-06-15 | 2015-10-21 | 西南石油大学 | Double-sealing type overturn plate floating valve |
| DE102015217971A1 (en) * | 2015-09-18 | 2017-03-23 | Robert Bosch Gmbh | Pressure relief valve |
| WO2017151126A1 (en) * | 2016-03-02 | 2017-09-08 | Thru Tubing Solutions, Inc. | Flapper valve tool |
| US10794148B2 (en) * | 2016-03-11 | 2020-10-06 | Halliburton Energy Services, Inc. | Subsurface safety valve with permanent lock open feature |
| CN108916393B (en) * | 2018-08-13 | 2023-11-03 | 四川大学 | Automatic triggering turning plate structure |
| CN208966231U (en) * | 2018-08-13 | 2019-06-11 | 四川大学 | A kind of reverse turning bed structure that automatic trigger docking is opened |
-
2018
- 2018-08-13 CN CN201810917932.0A patent/CN108952608B/en active Active
- 2018-09-30 WO PCT/CN2018/109037 patent/WO2020034367A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514240A (en) * | 2017-10-13 | 2017-12-26 | 四川大学 | A kind of high stability pressurize coring device automatically controlled |
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| Publication number | Publication date |
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| CN108952608A (en) | 2018-12-07 |
| WO2020034367A1 (en) | 2020-02-20 |
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