CN106761540A - A kind of optional position is two-way to set bridging plug - Google Patents
A kind of optional position is two-way to set bridging plug Download PDFInfo
- Publication number
- CN106761540A CN106761540A CN201710005215.6A CN201710005215A CN106761540A CN 106761540 A CN106761540 A CN 106761540A CN 201710005215 A CN201710005215 A CN 201710005215A CN 106761540 A CN106761540 A CN 106761540A
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- China
- Prior art keywords
- screw thread
- rubber
- external screw
- hand member
- left end
- Prior art date
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- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 4
- 210000000078 claw Anatomy 0.000 claims description 85
- 238000001914 filtration Methods 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
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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)
- Earth Drilling (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
Bridging plug is set the invention discloses a kind of optional position is two-way, the bridging plug that the present invention is provided is directed to oily, gas well work with pressure and designs, break the triviality of conventional cable closure, greatly reduce manpower and materials and expenditure, easily simple to operate, safe and reliable, good airproof performance, salvaging.
Description
Technical field
The present invention relates to technical field of petrochemical industry, and in particular to a kind of optional position is two-way to set bridging plug.
Background technology
In the past oil, gas well tubing pressure control construct when more than blocked using electric cable bridge plug, because its own exist permitted
Many shortcomings：(1) priming system is used, and its use time is constrained by policy；Use cable construction, sealing, decentralization in construct it is cumbersome not
It is easy to operate；(3) the electric cable bridge plug for currently using can not be dragged for, and after blocking successfully, upper lifting pipe post to be met and cause logical without production when card carries motionless
Road, loses huge.
The content of the invention
Bridging plug is set it is an object of the invention to provide a kind of optional position is two-way, and the bridging plug that the present invention is provided is directed to
Oil, gas well work with pressure and design, broken the triviality of conventional cable closure, greatly reduce manpower and materials and finance propped up
Go out, simple to operate, safe and reliable, good airproof performance, easily salvaging.
To achieve the above object, a kind of optional position of present invention offer is two-way sets bridging plug, and the bridging plug includes：
Upper dispensing outer barrel, the upper dispensing outer barrel left end is provided with necking down, and the periphery of the necking down is formed with external screw thread, institute
State dispensing outer barrel right-hand member and be formed with internal thread；
Nut is delivered, it is coaxial with the dispensing outer barrel, positioned at the dispensing outer barrel；
Cylinder, left end is dragged to be provided with the external screw thread being connected with the dispensing outer barrel right-hand member internal thread, right part inner side is formed with
Annular groove；
First spring；
Upper spring-loaded pawl, left end is provided with internal thread, and right part is formed as coaxial claw type, and the right-hand member of each holding dog is formed with
Projection；
Laying tube interior bar, left end be provided with the dispensing internal thread that is connected of nut, right-hand member be provided with external screw thread and
Internal thread, the internal thread that the external screw thread is used for the upper spring-loaded pawl is connected；Outer barrel is delivered described in the periphery of laying tube interior bar
It is internally provided with first spring, first spring can be by the right-hand member of the dispensing nut and the left end institute for dragging cylinder
Compression；
Salvage nut；
Upper clipping claw gag lever post, hollow, positioned at dragging inside cylinder, left end is provided with the outer spiral shell being connected with the salvaging nut
Line, right part is provided with annular groove, and right-hand member is provided with outer shroud；
Laying tube inner core, inside the upper clipping claw gag lever post, left end is provided with the interior spiral shell with the laying tube interior bar
The external screw thread that line is connected, right-hand member is formed as tip；
Upper clipping claw axial limiting part, positioned at the upper clipping claw gag lever post periphery, drags the inside of cylinder, and it is recessed that left end is formed with annular
Between groove is used to that the projection of upper spring-loaded pawl holding dog right-hand member to be fixed on into the upper clipping claw gag lever post and cylinder is dragged；Middle part is provided with side
Wall circular hole and three axially arranged and skewed slots for connecting and side wall bar shaped perforate, right-hand member are formed with the outer of necking down and necking down periphery
Screw thread；
Small column, in the side wall circular hole of the insertion upper clipping claw axial limiting part；
Upper clipping claw, inserts three of the upper clipping claw axial limiting part axially arranged and skewed slots that connect and side from left to right
In wall bar shaped perforate and support the right-hand member for dragging cylinder；
First outer barrel, left end is formed with the interior spiral shell being connected with the external screw thread of the upper clipping claw axial limiting part necking down periphery
Line, right side is formed with external screw thread, and side is formed with square opening；
Second spring, positioned at the periphery of first outer barrel；
First fixture block overcoat, positioned at the periphery of the upper clipping claw axial limiting part, the second spring and the upper clipping claw
Between；
Second fixture block overcoat, positioned at first outer barrel and the periphery of second spring；
First fixture block, in the square opening of first outer barrel；
Second outer barrel, left end is formed with the internal thread being connected with the first outer barrel right-hand member external screw thread, and right-hand member is provided with
Perforate；
Lower latch spring, positioned at second outer barrel inner side, the laying tube inner core periphery, left part is formed as coaxial pawl
Shape, the left end of each holding dog is formed with projection, and holding dog grips in the low order end of upper clipping claw gag lever post and withstands the outer shroud of its right-hand member, right
End is provided with internal thread；
Lower claw radial direction locating part, positioned at laying tube inner core outside, left end is provided with the right side with the lower latch spring
The external screw thread that end internal thread is connected, right-hand member is provided with internal thread；
Lower claw installed part, has the necking down on the inside of the second outer barrel positioned at right-hand member, and left end has strip opening；
Rubber radial direction locating part, positioned at the laying tube inner core outside, positioned at lower claw installed part inner side, left end set with
The external screw thread that the lower claw radial direction locating part right-hand member internal thread is connected, middle part is formed as external screw thread, and external screw thread right side sets
Spaced annular groove is put, annular groove right side is internally provided with spacing hole, spacing hole right side is internally provided with internal thread；
Machine-processed rice, in the right-hand member perforate of second outer barrel；
Upper lower claw spout, positioned at rubber radial direction locating part periphery, is formed with and lower card with lower claw installed part joint
The connected skewed slot in dog mount left end strip opening；
Lower claw, sequentially enters skewed slot and the lower claw installed part left end strip opening of lower claw spout from right to left
In；
First rubber ring, positioned at the rubber radial direction locating part periphery, positioned at the upper lower claw spout right side and with institute
State lower claw spout interval setting；
First rubber ring axial limiting set, is close to the first rubber ring right side, outside the rubber radial direction locating part
Week；
Second rubber ring, is close to the first rubber ring axial limiting set right side, outside the rubber radial direction locating part
Week；
Second rubber ring axial limiting set, is close to the second rubber ring right side, outside the rubber radial direction locating part
Week；
3rd rubber ring, is close to the second rubber ring axial limiting set right side, outside the rubber radial direction locating part
Week；
First rubber axial limiting set, is close to the 3rd rubber ring right side, positioned at the rubber radial direction locating part periphery,
Right side has been internally formed annular groove；
Ruler nut, it is in the annular groove on the right side of the first rubber axial limiting set and radially spacing with rubber
Part middle part external screw thread is connected；
Second rubber axial limiting set, positioned at the first rubber axial limiting set right side, right side has been internally formed annular
Groove；
Outer seal sleeve, positioned at the first rubber axial limiting set right side, left part inner side sets fluted, and right side inner side sets
It is equipped with inner ring；
Inner seal sleeve, positioned at outer seal sleeve and the first rubber axial limiting set inner side；
Second fixture block, positioned at outer seal sleeve inner side, in the spacing hole of the rubber radial direction locating part；
Lower spring axle, left end is provided with necking down and the external screw thread positioned at necking down periphery, the external screw thread and the rubber footpath
It is connected to the internal internal thread for setting in spacing hole right side of locating part, right side is provided with external screw thread, external screw thread right side is provided with
Necking down；
Pretension spring, positioned at the lower spring axle periphery, left end supports the right-hand member of the outer seal sleeve；
Outer six sides connector, left end supports the pretension spring, and left part inner side is formed with and sets outer with lower spring axle right side
The internal thread that screw thread is connected, right side is provided with necking down, and there is external screw thread in necking down outside；
Plunger, left half is turned left in filling in outer six side's connector necking downs from the right side, and right half is stuck in necking down right side；
Screen drum, left end is provided with the internal thread being connected with the external screw thread of outer six side's connector necking downs, and side wall is set
There is strip opening.
Optionally, the upper clipping claw and lower claw are stainless steel material.
Optionally, filtering Intranet is provided with the screen drum, the filtering Intranet is located at the strip opening of the screen drum
Inner side.
Optionally, the bridging plug also includes lower dispensing outer barrel, and the lower dispensing outer sleeve is in the right part periphery of the screen drum.
Optionally, the right-hand member tip of the laying tube inner core is fixed in the rubber radial direction locating part by fixture block.
The invention has the advantages that：
Bridging plug of the present invention efficiently solves the technical barrier of site operation, because its flexible structure is changeable, can be wanted according to construction
Ask be set to be altered on anti-, it is anti-fall；It is two-way it is anti-on the structure altered.It is steel wire conveying during construction, can salvages.Gone wrong in salvaging
When can not dragging for, the stifled opening of tail pipe can be formed production passage.
Brief description of the drawings
Figure 1A is a kind of overall structure diagram of specific embodiment of bridging plug of the present invention.
Fig. 2A -7A are a kind of partial structural diagrams of specific embodiment of bridging plug of the present invention.
Figure 1B -5B are a kind of partial structural diagrams of specific embodiment of bridging plug of the present invention.
Specific embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
In the present invention unless otherwise specified, when the left and right of " left and right " in accompanying drawing is defined actually used, the left end of Fig. 2A
It is the rear end of projecting direction, right-hand member is the front end of projecting direction.The left and right of same part is defined by the left and right of its axis.
As shown in Figure 1A -7A, a kind of optional position of present invention offer is two-way to set bridging plug, and the bridging plug includes：
Upper dispensing outer barrel 1, the upper dispensing left end of outer barrel 1 is provided with necking down, and the periphery of the necking down is formed with external screw thread,
The dispensing right-hand member of outer barrel 1 is formed with internal thread；
Nut 2 is delivered, it is coaxial with the dispensing outer barrel 1, inside the dispensing outer barrel 1；
Cylinder 3, left end is dragged to be provided with the external screw thread being connected with the dispensing right-hand member internal thread of outer barrel 1, right part inner side is formed
There is annular groove；
First spring 4；
Upper spring-loaded pawl 5, left end is provided with internal thread, and right part is formed as coaxial claw type, and the right-hand member of each holding dog is formed
There is projection；
Laying tube interior bar 6, left end is provided with the internal thread being connected with the dispensing nut 2, and right-hand member is provided with external screw thread
And internal thread, the external screw thread be used for the upper spring-loaded pawl 5 internal thread be connected；Delivered described in the periphery of laying tube interior bar 6
Outer barrel 1 is internally provided with first spring 4, and first spring by the right-hand member of the dispensing nut 2 and described can drag cylinder 3
Left end compressed；
Salvage nut 7；
Upper clipping claw gag lever post 8, hollow, positioned at dragging inside cylinder 3, left end is provided with outer with what the salvaging nut 7 was connected
Screw thread, right part is provided with annular groove, and right-hand member is provided with outer shroud；
Laying tube inner core 9, inside the upper clipping claw gag lever post 8, left end be provided with the laying tube interior bar 6
The external screw thread that screw thread is connected, right-hand member is formed as tip；
Upper clipping claw axial limiting part 10, positioned at the periphery of upper clipping claw gag lever post 8, drags the inside of cylinder 3, and left end is formed with ring
Between connected in star is used to that the projection of the holding dog right-hand member of upper spring-loaded pawl 5 to be fixed on into the upper clipping claw gag lever post 8 and cylinder 3 is dragged；Middle part
Side wall circular hole and three axially arranged and skewed slots for connecting and side wall bar shaped perforate are provided with, right-hand member is formed with necking down and necking down
The external screw thread of periphery；
Small column 11, in the side wall circular hole of the insertion upper clipping claw axial limiting part 10；
Upper clipping claw 12, inserts three skewed slots that are axially arranged and connecting of the upper clipping claw axial limiting part 10 from left to right
With in the wall bar shaped perforate of side and support the right-hand member for dragging cylinder 3；
First outer barrel 13, left end is formed with what is be connected with the external screw thread of the necking down periphery of upper clipping claw axial limiting part 10
Internal thread, right side is formed with external screw thread, and side is formed with square opening；
Second spring 14, positioned at the periphery of first outer barrel 13；
First fixture block overcoat 15, positioned at the periphery of the upper clipping claw axial limiting part 10, the second spring 14 with it is described
Between upper clipping claw 12；
Second fixture block overcoat 16, positioned at first outer barrel 13 and the periphery of second spring 14；
First fixture block 17, in the square opening of first outer barrel 13；
Second outer barrel 18, left end is formed with the internal thread being connected with the right-hand member external screw thread of first outer barrel 13, and right-hand member sets
It is equipped with perforate；
Lower latch spring 19, positioned at the inner side of second outer barrel 18, the periphery of laying tube inner core 9, left part is formed as coaxial
Claw type, the left end of each holding dog is formed with projection, and holding dog grips in the low order end of upper clipping claw gag lever post 8 and withstands the outer of its right-hand member
Ring, right-hand member is provided with internal thread；
Lower claw radial direction locating part 20, positioned at the outside of the laying tube inner core 9, left end is provided with and the lower latch spring 19
The external screw thread that is connected of right-hand member internal thread, right-hand member is provided with internal thread；
Lower claw installed part 21, has the necking down positioned at the inner side of the second outer barrel 18 positioned at right-hand member, and left end has strip opening；
Rubber radial direction locating part 22, positioned at the outside of the laying tube inner core 9, positioned at the inner side of lower claw installed part 21, left end
The external screw thread that setting is connected with the right-hand member internal thread of lower claw radial direction locating part 20, middle part is formed as external screw thread, the outer spiral shell
Line right side sets spaced annular groove, and annular groove right side is internally provided with spacing hole, and spacing hole right side is internally provided with internal thread；
Machine-processed rice 23, in the right-hand member perforate of second outer barrel 18；
Upper lower claw spout 25, positioned at the periphery of rubber radial direction locating part 22, is formed with the joint of lower claw installed part 21
The skewed slot being connected with the left end strip opening of lower claw installed part 21；
Lower claw 24, sequentially enters the skewed slot and the left end strip of lower claw installed part 21 of lower claw spout 25 from right to left
In opening；
First rubber ring 26, positioned at the periphery of rubber radial direction locating part 22, positioned at the right side of the upper lower claw spout 25
And with the upper interval setting of lower claw spout 25；
First rubber ring axial limiting set 29, is close to the right side of first rubber ring 26, radially spacing positioned at the rubber
The periphery of part 22；
Second rubber ring 27, is close to the right side of the first rubber ring axial limiting set 29, radially spacing positioned at the rubber
The periphery of part 22；
Second rubber ring axial limiting set 30, is close to the right side of second rubber ring 27, radially spacing positioned at the rubber
The periphery of part 22；
3rd rubber ring 28, is close to the right side of the second rubber ring axial limiting set 30, radially spacing positioned at the rubber
The periphery of part 22；
First rubber axial limiting set 31, is close to the right side of the 3rd rubber ring 28, positioned at the rubber radial direction locating part
22 peripheries, right side has been internally formed annular groove；
Ruler nut 32, in the annular groove on the right side of the first rubber axial limiting set 31, and with rubber radially
The middle part external screw thread of locating part 22 is connected；
Second rubber axial limiting set 33, positioned at the right side of the first rubber axial limiting set 31, right side has been internally formed
Annular groove；
Outer seal sleeve 34, positioned at the right side of the first rubber axial limiting set 31, left part inner side sets fluted, in right side
Side is provided with inner ring；
Inner seal sleeve 331, positioned at the inner side of 34 and first rubber axial limiting set of outer seal sleeve 31；
Second fixture block 35, positioned at the inner side of the outer seal sleeve 34, in the spacing hole of the rubber radial direction locating part 22；
Lower spring axle 36, left end is provided with necking down and the external screw thread positioned at necking down periphery, the external screw thread and the rubber
The internal internal thread for setting in spacing hole right side of radial direction locating part 22 is connected, and right side is provided with external screw thread, and external screw thread right side sets
It is equipped with necking down；
Pretension spring 37, positioned at the periphery of lower spring axle 36, left end supports the right-hand member of the outer seal sleeve 34；
Outer six sides connector 38, left end supports the pretension spring 37, and left part inner side is formed with right with the lower spring axle 36
Side sets the internal thread that external screw thread is connected, and right side is provided with necking down, and there is external screw thread in necking down outside；
Plunger 39, left half is turned left in filling in the outer necking down of six side's connector 38 from the right side, and it is right that right half is stuck in the necking down
Side；
Screen drum 40, left end is provided with the internal thread being connected with the external screw thread of the outer necking down of six side's connector 38, side wall
It is provided with strip opening.
Bridging plug of the invention is given up by delivering cylinder moment, and the impulse force for bringing makes the moment of the first spring 4 prop up upper clipping claw
12 make it prop up tube inner wall, and at the same time discharging pressure by second spring 14 opens the moment of lower claw 24 and firmly grasp oil pipe
Inwall, while the first rubber ring 26, the second rubber ring 27 and the 3rd rubber ring 28 are expanded tubing seal, check ring quilt rapidly
Precalculated position pinning is pushed into, its rubber is reduced.
The specific work process of bridging plug includes：
1st, as shown in figs. ib and 2b, steel wire work car is thrown away the two-way bridging plug that sets in optional position by brake hard, its
In the first spring 4 because being compacted by impulse force.
2nd, as shown in Figure 3 B, deliver nut 2, laying tube interior bar 6, the first spring 4, upper spring detent to move downward, until upper
During spring detent 5 enters and drags the annular groove of cylinder 3, upper spring detent 5 is opened upper clipping claw 12 because obtaining sufficient space from dragging cylinder 3 to take off
From upper clipping claw 12 is moved upwards by the thrust of the release of stainless steel second spring 14, until propping up tube inner wall.
3rd, as shown in figures 4b and 5b, laying tube inner core 9 is extracted out from 2 fixture blocks 35, and fixture block 35 is because of the pressure of preloading spring 36
Power and to contract, outer seal sleeve 34 pushes up the second rubber axial limiting set 33, the first rubber axial limiting set 31, rubber
Circle (28,27,26), rubber ring axial limiting set (30,29), until lower claw 24 props up tube inner wall, rubber ring (28,27,
26) deform because of space compression and seal oil pipe.
4th, delivery device departs from that optional position is two-way sets bridging plug, and (steel wire is solid to be delivered to reclaim steel wire with steel wire operation car
In outer barrel 1) and be carried over, deliver operation and finish.
Although the present invention is described in detail above to have used general explanation and specific embodiment, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (5)
1. a kind of optional position is two-way sets bridging plug, it is characterised in that the bridging plug includes：
Upper dispensing outer barrel (1), described upper dispensing outer barrel (1) left end is provided with necking down, and the periphery of the necking down is formed with external screw thread,
Described dispensing outer barrel (1) right-hand member is formed with internal thread；
Nut (2) is delivered, it is coaxial with dispensing outer barrel (1), it is internal positioned at dispensing outer barrel (1)；
Cylinder (3), left end is dragged to be provided with the external screw thread being connected with described dispensing outer barrel (1) right-hand member internal thread, right part inner side is formed
There is annular groove；
First spring (4)；
Upper spring-loaded pawl (5), left end is provided with internal thread, and right part is formed as coaxial claw type, and the right-hand member of each holding dog is formed with
Projection；
Laying tube interior bar (6), left end is provided with the internal thread being connected with dispensing nut (2), and right-hand member is provided with external screw thread
And internal thread, the external screw thread be used for the upper spring-loaded pawl (5) internal thread be connected；Described in the periphery of laying tube interior bar (6)
Deliver outer barrel (1) and be internally provided with first spring (4), first spring can be by the right-hand member of dispensing nut (2)
Compressed with the left end for dragging cylinder (3)；
Salvage nut (7)；
Upper clipping claw gag lever post (8), hollow, positioned at dragging cylinder (3) internal, left end is provided with what is be connected with salvaging nut (7)
External screw thread, right part is provided with annular groove, and right-hand member is provided with outer shroud；
Laying tube inner core (9), internal positioned at the upper clipping claw gag lever post (8), left end is provided with and the laying tube interior bar (6)
The external screw thread that internal thread is connected, right-hand member is formed as tip；
Upper clipping claw axial limiting part (10), positioned at upper clipping claw gag lever post (8) periphery, drags the inside of cylinder (3), and left end is formed with
Annular groove be used for by the projection of upper spring-loaded pawl (5) holding dog right-hand member be fixed on the upper clipping claw gag lever post (8) and drag cylinder (3) it
Between；Middle part is provided with side wall circular hole and three axially arranged and skewed slots for connecting and side wall bar shaped perforate, and right-hand member is formed with contracting
Neck and the external screw thread of necking down periphery；
Small column (11), in the side wall circular hole of the insertion upper clipping claw axial limiting part (10)；
Upper clipping claw (12), inserts three skewed slots that are axially arranged and connecting of the upper clipping claw axial limiting part (10) from left to right
With in the wall bar shaped perforate of side and support the right-hand member for dragging cylinder (3)；
First outer barrel (13), left end is formed with what is be connected with the external screw thread of upper clipping claw axial limiting part (10) the necking down periphery
Internal thread, right side is formed with external screw thread, and side is formed with square opening；
Second spring (14), positioned at the periphery of first outer barrel (13)；
First fixture block overcoat (15), positioned at the periphery of the upper clipping claw axial limiting part (10), the second spring (14) and institute
State between upper clipping claw (12)；
Second fixture block overcoat (16), positioned at first outer barrel (13) and the periphery of second spring (14)；
First fixture block (17), in the square opening of first outer barrel (13)；
Second outer barrel (18), left end is formed with the internal thread being connected with the first outer barrel (13) right-hand member external screw thread, and right-hand member sets
It is equipped with perforate；
Lower latch spring (19), positioned at second outer barrel (18) inner side, laying tube inner core (9) periphery, left part is formed as same
The claw type of axle, the left end of each holding dog is formed with projection, and holding dog grips in the low order end of upper clipping claw gag lever post (8) and withstands its right-hand member
Outer shroud, right-hand member is provided with internal thread；
Lower claw radial direction locating part (20), positioned at the laying tube inner core (9) outside, left end is provided with and the lower latch spring
(19) external screw thread that right-hand member internal thread is connected, right-hand member is provided with internal thread；
Lower claw installed part (21), has the necking down on the inside of the second outer barrel (18) positioned at right-hand member, and left end has strip opening；
Rubber radial direction locating part (22), it is left positioned at lower claw installed part (21) inner side positioned at the laying tube inner core (9) outside
End sets the external screw thread being connected with lower claw radial direction locating part (20) the right-hand member internal thread, and middle part is formed as external screw thread, should
External screw thread right side sets spaced annular groove, and annular groove right side is internally provided with spacing hole, and spacing hole right side is internally provided with interior
Screw thread；
Machine-processed rice (23), in the right-hand member perforate of second outer barrel (18)；
Upper lower claw spout (25), positioned at rubber radial direction locating part (22) periphery, forms with lower claw installed part (21) joint
There is the skewed slot being connected with lower claw installed part (21) left end strip opening；
Lower claw (24), sequentially enters the skewed slot and lower claw installed part (21) left end bar of lower claw spout (25) from right to left
In shape opening；
First rubber ring (26), it is right positioned at the upper lower claw spout (25) positioned at rubber radial direction locating part (22) periphery
Side and with upper lower claw spout (25) interval setting；
First rubber ring axial limiting set (29), is close to the first rubber ring (26) right side, radially spacing positioned at the rubber
Part (22) periphery；
Second rubber ring (27), is close to the first rubber ring axial limiting set (29) right side, radially spacing positioned at the rubber
Part (22) periphery；
Second rubber ring axial limiting set (30), is close to the second rubber ring (27) right side, radially spacing positioned at the rubber
Part (22) periphery；
3rd rubber ring (28), is close to the second rubber ring axial limiting set (30) right side, radially spacing positioned at the rubber
Part (22) periphery；
First rubber axial limiting set (31), is close to the 3rd rubber ring (28) right side, positioned at the rubber radial direction locating part
(22) periphery, right side has been internally formed annular groove；
Ruler nut (32), in the annular groove on the right side of the first rubber axial limiting set (31), and with rubber radially
Locating part (22) middle part external screw thread is connected；
Second rubber axial limiting set (33), positioned at the first rubber axial limiting set (31) right side, right side has been internally formed
Annular groove；
Outer seal sleeve (34), positioned at the first rubber axial limiting set (31) right side, left part inner side sets fluted, in right side
Side is provided with inner ring；
Inner seal sleeve (331), positioned at outer seal sleeve (34) and the first rubber axial limiting set (31) inner side；
Second fixture block (35), positioned at the outer seal sleeve (34) inner side, in the spacing hole of the rubber radial direction locating part (22)；
Lower spring axle (36), left end is provided with necking down and the external screw thread positioned at necking down periphery, the external screw thread and the rubber footpath
It is connected to the internal internal thread for setting in spacing hole right side of locating part (22), right side is provided with external screw thread, external screw thread right side sets
It is equipped with necking down；
Pretension spring (37), positioned at lower spring axle (36) periphery, left end supports the right-hand member of the outer seal sleeve (34)；
Outer six sides connector (38), left end supports the pretension spring (37), and left part inner side is formed with and the lower spring axle (36)
Right side sets the internal thread that external screw thread is connected, and right side is provided with necking down, and there is external screw thread in necking down outside；
Plunger (39), left half is turned left in filling in described outer six side's connector (38) necking downs from the right side, and it is right that right half is stuck in the necking down
Side；
Screen drum (40), left end is provided with the internal thread being connected with the external screw thread of described outer six side's connector (38) necking downs, side wall
It is provided with strip opening.
2. optional position according to claim 1 is two-way sets bridging plug, it is characterised in that the upper clipping claw and lower claw are
Stainless steel material.
3. optional position according to claim 1 is two-way sets bridging plug, it is characterised in that be provided with the screen drum (40)
Filtering Intranet, the filtering Intranet is located at the inner side of the strip opening of the screen drum (40).
4. optional position according to claim 1 is two-way sets bridging plug, it is characterised in that the bridging plug also includes lower dispensing
Outer barrel, the lower dispensing outer sleeve is in the right part periphery of the screen drum (40).
5. optional position according to claim 1 is two-way sets bridging plug, it is characterised in that the laying tube inner core (9)
Right-hand member tip is fixed in the rubber radial direction locating part (22) by fixture block (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005215.6A CN106761540B (en) | 2017-01-04 | 2017-01-04 | Random position bidirectional setting bridge plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005215.6A CN106761540B (en) | 2017-01-04 | 2017-01-04 | Random position bidirectional setting bridge plug |
Publications (2)
| Publication Number | Publication Date |
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| CN106761540A true CN106761540A (en) | 2017-05-31 |
| CN106761540B CN106761540B (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710005215.6A Active CN106761540B (en) | 2017-01-04 | 2017-01-04 | Random position bidirectional setting bridge plug |
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| Country | Link |
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| CN (1) | CN106761540B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814611A (en) * | 2021-01-05 | 2021-05-18 | 孙淑芳 | Integrated soluble bridge plug |
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| CN112814611A (en) * | 2021-01-05 | 2021-05-18 | 孙淑芳 | Integrated soluble bridge plug |
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| Publication number | Publication date |
|---|---|
| CN106761540B (en) | 2022-11-01 |
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