CN210829164U - Anti-blocking structure of downhole oil pipe plug - Google Patents
Anti-blocking structure of downhole oil pipe plug Download PDFInfo
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- CN210829164U CN210829164U CN201921461876.0U CN201921461876U CN210829164U CN 210829164 U CN210829164 U CN 210829164U CN 201921461876 U CN201921461876 U CN 201921461876U CN 210829164 U CN210829164 U CN 210829164U
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- adjusting device
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Abstract
The utility model provides an oil pipe blanking plug anti-sticking dead structure in pit, include: push rod and two jam valve blocks that are used for blockking up the pipeline, the both ends at the diapire of connecting plate are fixed mounting respectively to the one end of blockking up the valve block, two block up the valve block respectively with two hydraulic fluid ports cooperation installations that block up the casing, be equipped with movable cavity on blockking up the casing, spring baffle slidable mounting is in movable cavity, adjusting device shell fixed mounting is on the bottom plate of blockking up the casing, goes up spout and lower spout respectively fixed mounting on the inner wall of adjusting device shell, step motor's axle passes adjusting device shell and communicates with each other with adjusting device is inside, and cam fixed mounting is epaxial at step motor, the rim slidable mounting of cam is in cam connecting rod's spacing frame, cam connecting rod's one end and the diapire fixed connection of connecting plate have the dead effect of preventing the blanking plug card.
Description
Technical Field
The utility model belongs to the technical field of oil field exploitation equipment, in particular to oil pipe blanking plug anti-sticking dead knot constructs in pit.
Background
The oil pipe blanking plug is an instrument for stopping up oil pipe, plays the control flow rate and prevents the effect of oil leak, and the inside of current oil pipe blanking plug adopts ball valve or stop valve mostly, has impurity in the crude oil of new exploitation, and current oil pipe blanking plug is after long-time the use because impurity gets into to block up the casing, appears blocking up the valve easily and leads to the dead phenomenon of hydraulic fluid port card, influences follow-up use, has reduced the exploitation efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the current oil pipe blanking plug that mentions among the background art and easily blocking, influence the technical problem of exploitation efficiency, provide an oil pipe blanking plug anti-sticking dead structure in pit, have the dead effect of anti-sticking.
The utility model provides a technical scheme does:
an anti-seize structure for a downhole tubing plug, comprising: the pipeline plugging device comprises a push rod and two plugging valve plates for plugging a pipeline, wherein one end of each plugging valve plate is fixedly arranged at two ends of the bottom wall of a connecting plate respectively, the two plugging valve plates are respectively installed in a matching manner with two oil through holes of a plugging shell, a movable cavity is arranged on the plugging shell, a spring baffle is slidably installed in the movable cavity, one end of a spring is fixedly installed on the bottom wall of the spring baffle, the other end of the spring is fixedly installed on the connecting plate, the push rod and the inner wall of the blanking plug shell are installed in a matching manner through threads, one end of a push head is fixedly installed at the bottom end of the push rod, the other end of the push head is installed in a matching manner in a bearing seat, the bearing seat is fixedly installed on the;
the adjusting device comprises: the adjusting device comprises an adjusting device shell, the adjusting device shell is fixedly installed on a bottom plate of a blocking shell, an upper chute and a lower chute are respectively and fixedly installed on the inner wall of the adjusting device shell, a stepping motor is fixedly installed on the outer wall of the adjusting device shell, a shaft of the stepping motor penetrates through the adjusting device shell and is communicated with the inside of an adjusting device, a cam is fixedly installed on the shaft of the stepping motor, a wheel rim of the cam is slidably installed in a limiting frame of a cam connecting rod, one end of the cam connecting rod penetrates through the adjusting device shell and is fixedly connected with the bottom wall of a connecting plate, and the cam connecting rods at two ends of the limiting frame are respectively and slidably installed in the upper chute and the lower chute.
Preferably, the spring is 55Si2 Mn.
Preferably, the lower chute is a semi-sealed structure with a sealed bottom end.
Preferably, a sealing ring is fixedly mounted on an interface of the adjusting device shell and the cam connecting rod.
The beneficial effects of the utility model are embodied in the following aspect:
1. the utility model discloses a set up adjusting device on the bottom plate that blocks up the casing, can drive the cam connecting rod through step motor and reciprocate to promote connecting plate and spring baffle round trip movement in blocking up the casing, finally drive and block up the valve block and remove, be of value to the mediation inside impurity, prevent that the card is dead.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the plug housing;
FIG. 3 is a schematic view of the internal structure of the adjusting device;
FIG. 4 is a top view of the adjustment device housing;
fig. 5 is a schematic structural view of the push bar.
In the figure: the device comprises a push rod 1, a blocking shell 2, a movable cavity 3, a spring baffle 4, a spring 5, an oil through opening 6, a blocking valve plate 7, an adjusting device shell 8, a cam connecting rod 9, a stepping motor 10, a bearing seat 11, a connecting plate 12, an upper sliding groove 13, a lower sliding groove 14, a limiting frame 15, a cam 16, a sealing ring 17 and a push head 18.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1-5, the utility model provides an anti-sticking of oil pipe blanking plug is dead structure in pit, include: the plug valve comprises a push rod 1 and two plug valve plates 7 for plugging a pipeline, wherein one end of each plug valve plate 7 is fixedly arranged at two ends of the bottom wall of a connecting plate 12 respectively, the two plug valve plates 7 are installed in a matched mode with two oil through holes 6 of a plug shell 2 respectively, an original ball valve is replaced by linkage of a connecting rod 12 and the plug valve plates 7, the phenomenon that the interior of a valve body is blocked is avoided, a movable cavity 3 is arranged on the plug shell 2, a spring baffle 4 is installed in the movable cavity 3 in a sliding mode, a spring 5 is arranged to fully protect a moving part and play a buffering protection role, one end of the spring 5 is fixedly arranged on the bottom wall of the spring baffle 4, the other end of the spring 5 is fixedly arranged on the connecting plate 12, the push rod 1 and the inner wall of the plug shell 2 are installed in a matched mode through threads, one end of a push head 18 is fixedly arranged at the bottom, the bearing seat 11 is fixedly arranged on the spring baffle 4 and also comprises an adjusting device for dredging the blocking valve plate 7 and the oil through opening 6;
the adjusting device comprises: the adjusting device comprises an adjusting device shell 8, the adjusting device shell 8 is fixedly installed on a bottom plate of the plugging shell 2, an upper chute 13 and a lower chute 14 are respectively and fixedly installed on the inner wall of the adjusting device shell 8, a stepping motor 10 is fixedly installed on the outer wall of the adjusting device shell 8, the shaft of the stepping motor 10 penetrates through the adjusting device shell 8 and is communicated with the inside of the adjusting device, a cam 16 is fixedly installed on the shaft of the stepping motor 10, the rim of the cam 16 is slidably installed in a limiting frame 15 of a cam connecting rod 9, one end of the cam connecting rod 9 penetrates through the adjusting device shell 8 and is fixedly connected with the bottom wall of a connecting plate 12, and the cam connecting rods 9 at two ends of the limiting frame 15 are respectively and slidably installed in the upper chute 13 and the lower chute 14.
The utility model discloses a theory of operation: when an oil pipe needs to be plugged, the pushing rod 1 is screwed into the plugging shell 2, the pushing head 18 pushes the spring 5 downwards, the connecting rod 12 further drives the plugging valve plate 7 to slide towards the bottom end of the oil through opening 6, when the pushing rod 1 is screwed into the plugging shell 2 completely, the plugging valve plate 7 blocks the oil through opening 6 completely, the spring baffle 4 slides to the bottommost end of the movable cavity 3 at the moment, and the cam connecting rod 9 moves downwards to drive the convex part of the cam 16 to rotate to the bottommost end of the motion track;
when an oil pipe needs to be connected, the push rod 1 is pulled in a rotating mode, the push rod 1 pulls the spring baffle 4 to slide towards the top end of the movable cavity 3, the connecting plate 12 pulls the blocking valve plate 7 to slide upwards, when the spring baffle 4 moves to the topmost end of the movable cavity 3, the oil through opening 6 of the blocking valve plate 7 is completely opened, the cam connecting rod 9 moves upwards, and the convex part of the cam 16 is driven to rotate to the topmost end of the movement track;
when the normal use of the blanking plug is affected due to the fact that the connecting plate 12 is difficult to move up and down because of excessive impurities at the oil through opening 6, the stepping motor 10 can be started to drive the cam 16 to repeatedly perform angular displacement in the limit frame 15, thereby driving the cam connecting rod 9 to reciprocate up and down, when the convex part of the cam 16 rotates from the low position to the high position of the motion track, the cam connecting rod 9 moves upwards to push the connecting plate 12 so as to compress the spring 5, the blocking valve plate 7 moves upwards, when the convex part of the cam 16 moves from the high part to the low part of the motion track, the cam connecting rod 9 moves downwards, the connecting plate 12 is pulled to move downwards, thereby the extension spring 5 and the blocking valve plate 7 move downwards, and the blocking valve plate 7 is driven to move up and down repeatedly at the oil through opening 6 in the process, because oil hydraulic pressure changes and inertia, be favorable to dredging impurity to be favorable to preventing that the impurity is too much, the blanking plug card is dead. Spring 5 is 55Si2Mn material, and elasticity is good, and load-resisting, long service life, and lower spout 14 is the semi-enclosed construction that the bottom sealed, can prevent that the bottom motion of cam link 9 from excessively damaging the component, and fixed mounting has sealing washer 17 on the interface of adjusting device shell 8 and cam link 9, can prevent that fluid, impurity etc. from getting into inside the adjusting device.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (4)
1. The utility model provides a dead structure of anti-sticking of oil pipe blanking plug in pit which characterized in that includes: the pipeline plugging device comprises a push rod and two plugging valve plates for plugging a pipeline, wherein one end of each plugging valve plate is fixedly arranged at two ends of the bottom wall of a connecting plate respectively, the two plugging valve plates are respectively installed in a matching manner with two oil through holes of a plugging shell, a movable cavity is arranged on the plugging shell, a spring baffle is slidably installed in the movable cavity, one end of a spring is fixedly installed on the bottom wall of the spring baffle, the other end of the spring is fixedly installed on the connecting plate, the push rod and the inner wall of the blanking plug shell are installed in a matching manner through threads, one end of a push head is fixedly installed at the bottom end of the push rod, the other end of the push head is installed in a matching manner in a bearing seat, the bearing seat is fixedly installed on the;
the adjusting device comprises: the adjusting device comprises an adjusting device shell, the adjusting device shell is fixedly installed on a bottom plate of a blocking shell, an upper chute and a lower chute are respectively and fixedly installed on the inner wall of the adjusting device shell, a stepping motor is fixedly installed on the outer wall of the adjusting device shell, a shaft of the stepping motor penetrates through the adjusting device shell and is communicated with the inside of an adjusting device, a cam is fixedly installed on the shaft of the stepping motor, a wheel rim of the cam is slidably installed in a limiting frame of a cam connecting rod, one end of the cam connecting rod penetrates through the adjusting device shell and is fixedly connected with the bottom wall of a connecting plate, and the cam connecting rods at two ends of the limiting frame are respectively and slidably installed in the upper chute and the lower chute.
2. The anti-seize structure for the plug of downhole tubing according to claim 1, wherein the spring is 55Si2 Mn.
3. The anti-seize structure for downhole tubing plug according to claim 2, wherein the lower chute is a semi-closed structure with a closed bottom end.
4. The anti-seize structure for the downhole tubing plug according to claim 3, wherein a seal ring is fixedly mounted on an interface of the adjusting device housing and the cam link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461876.0U CN210829164U (en) | 2019-09-04 | 2019-09-04 | Anti-blocking structure of downhole oil pipe plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461876.0U CN210829164U (en) | 2019-09-04 | 2019-09-04 | Anti-blocking structure of downhole oil pipe plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210829164U true CN210829164U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921461876.0U Active CN210829164U (en) | 2019-09-04 | 2019-09-04 | Anti-blocking structure of downhole oil pipe plug |
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| Country | Link |
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| CN (1) | CN210829164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114075939A (en) * | 2022-01-07 | 2022-02-22 | 胜利油田北方实业集团有限责任公司 | Oil pipe plug convenient to operation |
-
2019
- 2019-09-04 CN CN201921461876.0U patent/CN210829164U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114075939A (en) * | 2022-01-07 | 2022-02-22 | 胜利油田北方实业集团有限责任公司 | Oil pipe plug convenient to operation |
| CN114075939B (en) * | 2022-01-07 | 2022-06-10 | 胜利油田北方实业集团有限责任公司 | Oil pipe plug convenient to operation |
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