CN208380532U - Rinse ball-and-seat - Google Patents
Rinse ball-and-seat Download PDFInfo
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- CN208380532U CN208380532U CN201820713648.7U CN201820713648U CN208380532U CN 208380532 U CN208380532 U CN 208380532U CN 201820713648 U CN201820713648 U CN 201820713648U CN 208380532 U CN208380532 U CN 208380532U
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- otic placode
- valve seat
- seat
- valve
- overturning
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Abstract
The utility model relates to oil gas field downhole tool technical fields, it is a kind of flushing ball-and-seat, it includes top connection, lower contact, valve seat and overturning lid, lower contact upper inner is equipped with limited step, lower contact upper inner is set with valve seat, end seat is fixedly installed togather in limited step upper end, the lower contact upper inner of corresponding valve seat top position with top connection lower outside under valve seat；The closure of valve seat lower end inside has overturning to cover, and being equipped between valve seat lower end and overturning lid lower end can make lower overturning in closed state cover unlatching and the limit assembly resetted after decompression after compression.The utility model reasonable and compact in structure, it is easy to use, circulation area is increased by the unlatching of overturning lid and reduces liquid flowing resistance；Rectangular seal is installed by the overturning outer side of lid in truncated cone-shaped and guarantees that leakproofness internal when closed is covered in overturning, has the characteristics that circulation is strong, reliable and quick.
Description
Technical field
The utility model relates to oil gas field downhole tool technical fields, are a kind of flushing ball-and-seats.
Background technique
Sand surfing operation is to break up the sand plug in shaft bottom using high speed liquid flow and take silt particle out of ground, by oil reservoir perforation portion
Distinguish wash clean, to restore the underground work technological measure of the injection rate of oily well yield or water injection well.Ball-and-seat is control
A kind of downhole tool for necessarily referring in fluid flows in tubing string switch and sand surfing operation, conventional ball-and-seat by valve body,
Valve seat, steel ball, spring and support frame etc. are constituted, and by being limited by the structure of steel ball and support frame, circulation area is small, liquid stream resistance
Power is big, causes scouring effect bad, brings very big influence to the production efficiency of sand surfing operation.
Summary of the invention
The utility model provides a kind of flushing ball-and-seat, overcomes the defects of the prior art, can effectively solve
Traditional sand surfing tool circulation area is small when sand surfing operation at present and liquid flowing resistance problem bad so as to cause scouring effect greatly.
The technical solution of the utility model is realized by following measures: a kind of flushing ball-and-seat, including top connection,
Lower contact, valve seat and overturning lid, lower contact upper inner are equipped with limited step, and lower contact upper inner is set with valve seat, valve seat
Lower end seat is fixedly mounted in limited step upper end, the lower contact upper inner and top connection lower outside of corresponding valve seat top position
Together；Valve seat lower end inside closure have overturning cover, valve seat lower end and overturning lid lower end between be equipped with can make it is in closed state under
Overturning cover after compression and open and the limit assembly that is resetted after decompression.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
Above-mentioned limit assembly may include fixing pin, torsional spring, front cover otic placode, rear cover otic placode, preceding valve otic placode and rear valve otic placode,
Overturning lid lower end is fixed there are two the front cover otic placode and rear cover otic placode that are spaced apart, under the valve seat for corresponding to front cover otic placode front position
The valve seat lower end of valve otic placode before end is fixed with, corresponding rear cover otic placode rear position is fixed with rear valve otic placode, front cover otic placode, rear cover ear
Same position is equipped with the mounting hole that front and back penetrates through on plate, preceding valve otic placode and rear valve otic placode, between front cover otic placode and rear cover otic placode
Equipped with torsional spring, preceding valve otic placode, front cover otic placode, torsional spring, rear cover otic placode and rear valve otic placode pass sequentially through fixing pin and link together,
One end of torsional spring is against between valve seat lower end outside and lower contact inside middle portion, and the other end of torsional spring is against overturning lid lower end.
Above-mentioned top connection lower outside can be equipped at least one O-ring seals between lower contact upper inner；Valve seat
At least one O-ring seals is installed between lower contact upper inner on the outside of middle part；Valve seat and overturning lid between be equipped with to
A few rectangular seal.
Above-mentioned valve seat lower end inside can be equipped with up-small and down-big round platform hole, and overturning lid is in the rotary table to match with round platform hole
Shape.
Above-mentioned top connection lower outside can be connected through a screw thread with lower contact upper inner and be fixedly installed togather.
The utility model reasonable and compact in structure, it is easy to use, circulation area is increased by the unlatching of overturning lid and is subtracted
Small liquid flowing resistance；Rectangular seal is installed by the overturning outer side of lid in truncated cone-shaped and guarantees that sealing internal when closed is covered in overturning
Property, have the characteristics that circulation is strong, reliable and quick.
Detailed description of the invention
Attached drawing 1 is schematic diagram of main cross-sectional structure of the best embodiment of the utility model.
Attached drawing 2 is structural schematic diagram of the attached drawing 1 at A-A.
Coding in attached drawing is respectively as follows: 1 for top connection, and 2 be lower contact, and 3 be valve seat, and 4 be overturning lid, and 5 be limited step,
6 be fixing pin, and 7 be torsional spring, and 8 be front cover otic placode, and 9 be rear cover otic placode, and 10 be preceding valve otic placode, and 11 be rear valve otic placode, and 12 be O shape
Sealing ring, 13 be rectangular seal.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: front, rear, top, and bottom, left and right positional relationship be according to Figure of description
Butut direction determine.
The utility model is further described below with reference to examples and drawings:
As shown in attached drawing 1,2, which includes top connection 1, lower contact 2, valve seat 3 and overturning lid 4, lower contact 2
Upper inner is equipped with limited step 5, and 2 upper inner of lower contact is set with valve seat 3, the lower end seat of valve seat 3 in 5 upper end of limited step,
2 upper inner of lower contact of corresponding 3 top position of valve seat is fixedly installed togather with 1 lower outside of top connection；In 3 lower end of valve seat
Side seal is stifled overturning lid 4, be equipped between 3 lower end of valve seat and overturning 4 lower end of lid can make it is in closed state under overturning lid 4 be pressurized
The limit assembly opened and resetted after decompression afterwards.In use, 1 upper inner of top connection is equipped with internal screw thread, this is practical
Novel to be linked together by internal screw thread and the oil pipe above the utility model, 2 lower outside of lower contact is equipped with external screw thread, this reality
It is linked together with novel by external screw thread and the connection guide shoe below the utility model, under original state, overturning lid 4 is being limited
It is in closed state under the action of component, that is, close oil pipe channel；The utility model control oil pipe internal pressure under closed state,
Band pressure down pipe string, the utility model seal oil pipe internal pressure, prevent strata pressure and harmful substance from causing to hurt to operator
Evil and pollution environment；After complete under pipe string, from oil pipe internal pressurization, when pressure is greater than strata pressure, overturning lid 4 is being limited
It is in open state under the action of hyte part, that is, oil pipe channel is opened, direct flushing sand surfing operation can be formed at this time, due to turning over
4 size of hub cap is larger, circulation area is increased after unlatching, and due to, without other component, reducing liquid flowing resistance in valve seat 3；Stop
Lid 4 is overturn after pump, and closing is resetted under the action of limit assembly.The utility model reasonable and compact in structure, it is easy to use, lead to
The unlatching for crossing overturning lid 4 increases circulation area and reduces liquid flowing resistance, has the characteristics that circulation is strong, reliable and quick.
Above-mentioned flushing ball-and-seat can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,2, limit assembly includes fixing pin 6, torsional spring 7, front cover otic placode 8, rear cover otic placode 9, preceding valve ear
Plate 10 and rear valve otic placode 11, overturning 4 lower end of lid is fixed, and there are two the front cover otic placode 8 and rear cover otic placode 9 that are spaced apart, corresponding front covers
3 lower end of valve seat of valve otic placode 10 before 3 lower end of valve seat of 8 front position of otic placode is fixed with, corresponding 9 rear position of rear cover otic placode is fixed
There is rear valve otic placode 11, same position is equipped with front and back and passes through on front cover otic placode 8, rear cover otic placode 9, preceding valve otic placode 10 and rear valve otic placode 11
Logical mounting hole is equipped with torsional spring 7, preceding valve otic placode 10, front cover otic placode 8, torsional spring 7, rear cover between front cover otic placode 8 and rear cover otic placode 9
Otic placode 9 and rear valve otic placode 11 pass sequentially through fixing pin 6 and link together, and one end of torsional spring 7 is against 3 lower end outside of valve seat under
Between 2 inside middle portion of connector, the other end of torsional spring 7 is against overturning 4 lower end of lid.In use, by front cover otic placode 8, after
Being coupled of lid otic placode 9, preceding valve otic placode 10 and rear valve otic placode 11 and fixing pin 6 realizes the hinged of overturning lid 4 and valve seat 3,
It realizes that overturning lid 4 is opened after compression and resetted after decompression by the cooperation of torsional spring 7 and overturning lid 4 to close.It is flexible to overturn lid 4
Reliably, convenient for handling and replacement.
It is close that at least one O shape is installed as shown in attached drawing 1,2, between 2 upper inner of 1 lower outside of top connection and lower contact
Seal 12；At least one O-ring seals 12 is installed between 3 middle part outside of valve seat and 2 upper inner of lower contact；Valve seat 3 with turn over
At least one rectangular seal 13 is installed between hub cap 4.In use, pass through components different inside the utility model
Between sealing device is installed, guarantee the leakproofness of the utility model.According to demand, rectangular seal 13 uses resin seal circle.
As shown in attached drawing 1,2,3 lower end inside of valve seat is equipped with up-small and down-big round platform hole, and overturning lid 4 is in and round platform hole phase
The truncated cone-shaped matched.In use, using the leakproofness between the overturning enhancing of the lid 4 overturning lid 4 and valve seat 3 of truncated cone-shaped.
As shown in attached drawing 1,2,1 lower outside of top connection is connected through a screw thread with 2 upper inner of lower contact and is fixedly mounted on
Together.In use, the fixed installation mode being connected through a screw thread, is easily installed, dismantles and replaces.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (8)
1. a kind of flushing ball-and-seat, it is characterised in that including top connection, lower contact, valve seat and overturning lid, lower contact upper inner
Equipped with limited step, lower contact upper inner is set with valve seat, and end seat is in limited step upper end, corresponding valve seat upper position under valve seat
The lower contact upper inner set is fixedly installed togather with top connection lower outside；The closure of valve seat lower end inside has overturning to cover, valve
Being equipped between seat lower end and overturning lid lower end can make lower overturning in closed state cover the unlatching after compression and reset after decompression
Limit assembly.
2. flushing ball-and-seat according to claim 1, it is characterised in that limit assembly includes fixing pin, torsional spring, front cover
Otic placode, rear cover otic placode, preceding valve otic placode and rear valve otic placode, overturning lid lower end is fixed, and there are two the front cover otic placodes and rear cover that are spaced apart
Otic placode, valve otic placode before the valve seat lower end of corresponding front cover otic placode front position is fixed with, the valve seat of corresponding rear cover otic placode rear position
Lower end is fixed with rear valve otic placode, and same position is equipped with front and back and passes through on front cover otic placode, rear cover otic placode, preceding valve otic placode and rear valve otic placode
Logical mounting hole, between front cover otic placode and rear cover otic placode be equipped with torsional spring, preceding valve otic placode, front cover otic placode, torsional spring, rear cover otic placode and after
Valve otic placode passes sequentially through fixing pin and links together, one end of torsional spring be against valve seat lower end outside and lower contact inside middle portion it
Between, the other end of torsional spring is against overturning lid lower end.
3. flushing ball-and-seat according to claim 1 or 2, it is characterised in that: top connection lower outside and lower contact top
At least one O-ring seals is installed between inside；At least one is equipped between outside and lower contact upper inner in the middle part of valve seat
A O-ring seals；At least one rectangular seal is installed between valve seat and overturning lid.
4. flushing ball-and-seat according to claim 1 or 2, it is characterised in that valve seat lower end inside is equipped with up-small and down-big circle
Platform hole, overturning lid is in the truncated cone-shaped to match with round platform hole.
5. flushing ball-and-seat according to claim 3, it is characterised in that valve seat lower end inside is equipped with up-small and down-big rotary table
Hole, overturning lid is in the truncated cone-shaped to match with round platform hole.
6. flushing ball-and-seat described according to claim 1 or 2 or 5, it is characterised in that on top connection lower outside and lower contact
It is connected through a screw thread and is fixedly installed togather on the inside of portion.
7. flushing ball-and-seat according to claim 3, it is characterised in that top connection lower outside and lower contact upper inner
It is connected through a screw thread and is fixedly installed togather.
8. flushing ball-and-seat according to claim 4, it is characterised in that top connection lower outside and lower contact upper inner
It is connected through a screw thread and is fixedly installed togather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820713648.7U CN208380532U (en) | 2018-05-14 | 2018-05-14 | Rinse ball-and-seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820713648.7U CN208380532U (en) | 2018-05-14 | 2018-05-14 | Rinse ball-and-seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208380532U true CN208380532U (en) | 2019-01-15 |
Family
ID=64970503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820713648.7U Active CN208380532U (en) | 2018-05-14 | 2018-05-14 | Rinse ball-and-seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208380532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021988A (en) * | 2020-01-03 | 2020-04-17 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Control device for drilling string and application |
| CN113756123A (en) * | 2021-09-23 | 2021-12-07 | 浙江荣晟环保纸业股份有限公司 | Waste paper processing apparatus is used in kraft liner production |
-
2018
- 2018-05-14 CN CN201820713648.7U patent/CN208380532U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021988A (en) * | 2020-01-03 | 2020-04-17 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Control device for drilling string and application |
| CN113756123A (en) * | 2021-09-23 | 2021-12-07 | 浙江荣晟环保纸业股份有限公司 | Waste paper processing apparatus is used in kraft liner production |
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