CN210977402U - Telescopic oil drain device - Google Patents

Telescopic oil drain device Download PDF

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Publication number
CN210977402U
CN210977402U CN201921960896.2U CN201921960896U CN210977402U CN 210977402 U CN210977402 U CN 210977402U CN 201921960896 U CN201921960896 U CN 201921960896U CN 210977402 U CN210977402 U CN 210977402U
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CN
China
Prior art keywords
oil
connecting piece
telescopic
connector
hole
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921960896.2U
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Chinese (zh)
Inventor
王延博
王党社
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanniwan Oil Production Plant Of Yanchang Oil Field Co ltd
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Nanniwan Oil Production Plant Of Yanchang Oil Field Co ltd
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Filing date
Publication date
Application filed by Nanniwan Oil Production Plant Of Yanchang Oil Field Co ltd filed Critical Nanniwan Oil Production Plant Of Yanchang Oil Field Co ltd
Priority to CN201921960896.2U priority Critical patent/CN210977402U/en
Application granted granted Critical
Publication of CN210977402U publication Critical patent/CN210977402U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a telescopic oil drain device, belonging to the technical field of crude oil collecting equipment, which specifically comprises an oil pipe connecting piece axially communicated and an oil rod connecting piece arranged inside the oil pipe connecting piece; the oil pipe connecting piece is connected between two oil pipes, and is provided with the draining hole on the oil pipe connecting piece, and the draining hole is used for draining the interior crude oil of draining pipe, and the inside movable block that is provided with just to the position in draining hole of oil pipe connecting piece is provided with the through-hole parallel with oil pipe connecting piece center axial on the movable block, and the oil pole connecting piece passes this through-hole and is connected with the oil pipe connecting piece. Utilize the utility model discloses a telescopic bleeder can excrete the crude oil in the oil pipe effectively when the oil well overhauls, can not make crude oil be taken to subaerial polluted environment, has practiced thrift oil resources, and can guarantee that the beam hanger plays out smoothly.

Description

Telescopic oil drain device
Technical Field
The utility model belongs to the technical field of crude oil collection equipment, a device that is used for unloading crude oil in the oil pumping pipe when having played the sucker rod in the oil well dismantlement or the maintenance process is related to, specifically be a telescopic bleeder.
Background
In the process of crude oil collection, an oil production pipe needs to be lowered into an oil well with the underground length of hundreds of meters or even dozens of meters, the oil pipe needs to be connected in series section by section because the oil well is very deep, an oil well pump is placed at the bottom of an oil pumping pipe, the lower end of the oil pumping pipe is connected with the oil well pump, and crude oil is mined out through an oil pumping rod and the oil well pump.
When an oil well is overhauled, a sucker rod needs to be lifted, and crude oil in the oil pipe can be brought out to the ground in the process of lifting the sucker rod, so that the environment can be polluted, and petroleum resources can be wasted; therefore, the oil drain device can be installed in a general oil production pipe, when the oil pumping rod needs to be repaired, the oil drain valve is opened, and crude oil in the oil production pipe is discharged into the well to avoid environmental pollution and waste of resources. But current bleeder all is striking pin formula bleeder generally, and the effect of gravity when utilizing the sucker rod to transfer actually is that the sealed fixed hollow screw of striking bleeder makes it cut, spills the crude oil of draining the hole in with the oil pipe and lets out, and at the actual operation in-process, because striking dynamics is not good to be controlled, often can not effectively cut the sealed fixed hollow screw of bleeder to can not realize the purpose of the drainage of crude oil in the oil pipe.
SUMMERY OF THE UTILITY MODEL
The drainage device aims at the problems that the existing oil drainage device cannot effectively discharge crude oil in an oil pipe, so that the crude oil is brought out to the ground, the environment is polluted on the one hand, and on the other hand, petroleum resources are wasted. The utility model provides a telescopic bleeder, it utilizes the flexible slider on the sucker rod connector to drive the interior piston of oil pumping union coupling and moves from top to bottom, and the draining hole that will be plugged up by the piston spills and carries out crude oil and excrete. The specific technical scheme is as follows:
a telescopic oil drain device comprises an oil pipe connecting piece which is axially communicated and an oil rod connecting piece which is arranged inside the oil pipe connecting piece;
the oil pipe connecting piece is connected between two oil pipes, an oil drainage hole is formed in the oil pipe connecting piece and used for discharging crude oil in an oil drainage pipe, a movable block is arranged in the oil pipe connecting piece and opposite to the oil drainage hole, a through hole which is axially parallel to the center of the oil pipe connecting piece is formed in the movable block, and the oil rod connecting piece penetrates through the through hole and is connected with the oil pipe connecting piece;
the inside of the oil rod connecting piece is provided with an oil rod connecting hole which is axially communicated, and the oil rod penetrates through the oil rod connecting hole to be connected with the two ends of the oil rod connecting piece through screw threads.
The oil rod connecting piece is further limited, the oil rod connecting piece comprises an oil rod connecting piece body, an elastic connecting piece and a telescopic sliding block, a mounting groove is formed in the outer side of the oil rod connecting piece body, clamping rings are arranged at two ends of the top of the mounting groove, the telescopic sliding block is mounted between the clamping rings and the mounting groove, one end of the elastic connecting piece is fixed to the bottom of the mounting groove, the other end of the elastic connecting piece is fixed to the telescopic sliding block, a telescopic hole for the telescopic sliding block to move is reserved between the telescopic sliding block and the mounting groove, and the radial distance from a central shaft of the oil rod connecting piece body to the end face of the outer side of the telescopic sliding block is larger;
one end of the oil rod connecting piece body penetrates through a through hole in the movable block, and one end face of the telescopic sliding block is in contact with one end face of the movable block.
Further limiting, the end face of the telescopic sliding block, which is contacted with the movable block, is a downward inclined plane.
Further limit, the telescopic sliding blocks are at least two and are uniformly arranged along the circumferential direction of the oil rod connecting piece body.
Further, the number of the telescopic sliding blocks is three.
Further limiting, the elastic connecting piece is a spring, a spring connecting groove is formed in the bottom of the mounting groove of the oil rod connecting piece body, and a spring connecting groove corresponding to the mounting groove is formed in the side face, opposite to the oil rod connecting piece body, of the telescopic sliding block; one end of the spring is connected in the spring connecting groove on the mounting groove, the other end of the spring is connected in the spring connecting groove on the telescopic sliding block, and the oil rod connecting piece body is connected with the telescopic sliding block through the spring.
Further inject, the oil pipe connecting piece includes inside hollow top connection spare and inside hollow bottom connection spare, bottom connection spare is connected at the bottom of top connection spare, the draining hole sets up on the lateral wall of top connection spare, the movable block just sets up in top connection spare to the draining hole, telescopic sliding block sets up in bottom connection spare.
Further inject, the lateral surface of movable block and the upper end lateral surface of lower joint connecting piece are provided with the sealing washer spread groove, are provided with the sealing washer in the sealing washer spread groove, through the sealing washer respectively with lower joint connecting piece and movable block and top connection connecting piece sealing connection.
Further, the movable block is a piston.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses telescopic bleeder's oil pipe connecting piece is inside to be provided with the movable block, and the oil rod connecting piece passes the movable block and is connected with the oil pipe connecting piece, is connected with flexible slider on the oil rod connecting piece, and flexible slider sets up in the below of movable block, and under elastic connection spare is in the release state, the radial distance of oil rod connecting piece body to flexible slider outside terminal surface is greater than the radius of through-hole on the movable block; when the sucker rod was overhauld to the oil well, the oil pole of going up draws oil pole, and the oil pole just can drive the flexible slider on the oil pole connecting piece and go upward, exposes the draining hole through flexible slider with the ascending jack-up of movable block then, and the crude oil in the oil pipe just excretes along the draining hole, can not take the crude oil in the oil pipe to subaerial polluted environment, and the crude oil of simultaneously excreting away can also be extracted once more, has practiced thrift petroleum resources.
2. The telescopic sliding block is connected with the oil rod connecting piece body through the elastic connecting piece, so that the telescopic sliding block can freely stretch out and draw back along the radial direction of the oil rod connecting piece body, the contact surface of the telescopic sliding block and the movable block is a declined inclined surface, the contact force of the telescopic sliding block acting on the movable block can be effectively dispersed and buffered due to the design, and the movable sliding block cannot be jacked up insufficiently with the one-time contact force of the telescopic sliding block and the movable block.
3. When playing the sucker rod, the movable block that drives through flexible slider has certain scraping effect to oil pipe inside face, can clear away the debris on the oil pipe inner wall, and when meetting the resistance great, the movable block can further compress flexible slider, finally makes flexible slider pass the through-hole on the movable block, and the movable block gliding, the sucker rod plays out smoothly, can not cause the influence to playing out of sucker rod.
Drawings
FIG. 1 is a schematic structural view of an oil pipe connection;
FIG. 2 is a schematic view of the assembly of the tubing connector and the sucker rod connector;
FIG. 3 is a schematic view of the structure of the sucker rod connecting body;
FIG. 4 is a schematic view of the piston;
FIG. 5 is a schematic cross-sectional view of the oil rod connector A-A of FIG. 2;
FIG. 6 is a schematic structural view of the telescopic slider;
the oil pumping device comprises an upper joint connecting piece, an oil drainage hole, a lower joint connecting piece, a piston, a 31-sealing ring, a 32-sealing ring connecting groove, a 33-oil rod connecting hole, a 4-oil rod connecting piece body, a 5-clamping ring, a 6-telescopic sliding block, a 7-spring, an 8-spring connecting groove and a 9-telescopic gap.
Detailed Description
The technical solution of the present invention is further explained below with reference to the drawings and examples, but the present invention is not limited to the embodiments explained below.
The utility model discloses a telescopic bleeder includes the oil pipe connecting piece that the axial link up and sets up the oil pole connecting piece inside the oil pipe connecting piece, and the oil pipe connecting piece is connected between two oil pipes, see figure 5, and the inside of oil pole connecting piece is provided with the oil pole connecting hole that the axial link up, and the oil pole passes the oil pole connecting hole, is provided with the internal thread at the inside both ends of oil pole connecting piece, is provided with the external screw thread that corresponds with the oil pole connecting piece on the oil pole, and oil pole connecting piece and oil pole pass through the screw thread and connect.
Example 1
Referring to fig. 1 and 2, in the telescopic drip of the present embodiment, the oil pipe connecting piece includes an upper joint connecting piece 1 and a lower joint connecting piece 2, the lower joint connecting piece 2 is connected to the lower end of the upper joint connecting piece 1, the upper end of the upper joint connecting piece 1 is connected to the lower end of the upper oil pipe, and the lower end of the lower joint connecting piece 2 is connected to the upper end of the lower oil pipe; an oil drainage hole 101 is formed in the side wall of the upper joint connecting piece 1, a movable block is arranged in the upper joint connecting piece 1 at a position opposite to the oil drainage hole 101, a sealing ring connecting groove 32 is formed in the outer side surface of the movable block and the outer side surface of the upper end of the lower joint connecting block 2, a sealing ring 31 is arranged in the sealing ring connecting groove 32, and the lower joint connecting piece 2 and the movable block are respectively connected with the upper joint connecting piece 1 in a sealing mode through the sealing ring 31; and a through hole is formed in the connecting block in the direction parallel to the central axial direction of the oil pipe connecting piece.
Referring to fig. 3, the oil rod connecting piece comprises an oil rod connecting piece body 4, an elastic telescopic piece and telescopic sliding blocks 6, one end of the oil rod connecting piece body 4 penetrates through a through hole in the movable block to be connected with the oil pipe connecting piece, the telescopic sliding blocks 6 are arranged below the movable block and inside the lower joint connecting piece 2, referring to fig. 6, the surfaces, which are in contact with the movable block, on the telescopic sliding blocks 6 are inclined surfaces which are declined, and the number of the telescopic sliding blocks 6 is 3, and the telescopic sliding blocks are respectively and uniformly arranged along the circumferential direction of the oil rod connecting piece body 4; the elastic connecting piece is a spring 7, a mounting groove is arranged on the outer side of the oil rod connecting piece body 4, 2 spring connecting grooves 8 are arranged at the bottom of the mounting groove, 2 spring connecting grooves 8 corresponding to the mounting groove are arranged on the side, facing the mounting groove, of the telescopic sliding block 6, one end of the spring 7 is connected in the spring connecting groove 8 on the mounting groove, the other end of the spring 7 is connected in the spring connecting groove 8 on the telescopic sliding block 6, the oil rod connecting piece body 4 and the telescopic sliding block 6 are connected through the spring 7, the two ends of the top of the mounting groove are provided with snap rings 5, the radial position of a telescopic slide block 6 is limited by the snap rings 5, a telescopic gap 9 is reserved between the inner side face of the telescopic sliding block 6 and the bottom face of the mounting groove, the telescopic sliding block 6 can freely stretch and retract along the radial direction of the oil rod connecting piece body 4 in the telescopic gap 9, and the radial distance from the central shaft of the oil rod connecting piece body 4 to the end face of the outer side of the telescopic sliding block 6 is larger than the radius of the through hole in the movable block.
When the sucker rod is overhauled to the oil well, the oil rod is pulled up, and the oil rod just can drive flexible slider 6 on the oil pipe connecting piece and go upward, then through flexible slider 6 with the movable block jack-up expose the draining hole that makes progress, the crude oil in the oil pipe just excretes along the draining hole, can scrape debris on the oil pipe internal face in the movable block is by jack-up upward movement in-process.
Example 2
In the telescopic oil drain device of the embodiment, the oil pipe connecting piece comprises an upper joint connecting piece 1 and a lower joint connecting piece 2, the lower joint connecting piece 2 is connected with the lower end of the upper joint connecting piece 1, the upper end of the upper joint connecting piece 1 is connected with the lower end of an upper oil pipe, and the lower end of the lower joint connecting piece 2 is connected with the upper end of a lower oil pipe; an oil drainage hole 101 is formed in the side wall of the upper joint connecting piece 1, referring to fig. 4, a piston 3 is arranged in the upper joint connecting piece 1 at a position opposite to the oil drainage hole 101, a sealing ring connecting groove 32 is formed in the outer side surface of the piston 3 and the outer side surface of the upper end of the lower joint connecting block 2, a sealing ring 31 is arranged in the sealing ring connecting groove 32, and the lower joint connecting piece 2 and the piston 3 are respectively connected with the upper joint connecting piece 1 in a sealing manner through the sealing ring 31; and a through hole is formed in the direction axially parallel to the center of the oil pipe connecting piece and the piston 3.
The oil rod connecting piece comprises an oil rod connecting piece body 4, an elastic telescopic piece and telescopic sliding blocks 6, wherein the oil rod connecting piece body 4 penetrates through a through hole in the movable block to be connected with the oil pipe connecting piece, the telescopic sliding blocks 6 are arranged below the piston 3 and inside the lower joint connecting piece 2, the surfaces of the telescopic sliding blocks 6, which are in contact with the piston 3, are inclined surfaces which are declined downwards, and 4 telescopic sliding blocks 6 are uniformly arranged along the circumferential direction of the oil rod connecting piece body 4 respectively; elastic connecting piece is rubber cushion block, be provided with the mounting groove in the outside of oil rod coupling spare body 4, the bottom of mounting groove is provided with 2 spring coupling groove 8, flexible slider 6 is just being provided with 2 spring coupling groove 8 that correspond with the mounting groove to the one side of mounting groove, the one end of rubber cushion block is connected in the spring coupling groove 8 on the mounting groove, the other end is connected in the spring coupling groove 8 on flexible slider 6, couple together oil rod coupling spare body 4 and flexible slider 6 through rubber cushion block, be provided with snap ring 5 at the top both ends of mounting groove, inject flexible slider 6's radial position through snap ring 5, leave flexible space 9 between the medial surface of flexible slider 6 and oil rod coupling spare body 4's lateral surface, flexible slider 6 can freely stretch out and draw back along oil rod coupling spare body 4's radial in flexible space 9, the radial distance of the center pin of oil rod coupling spare body 4 to flexible slider 6 outside terminal surface is greater than the A radius.
When the sucker rod is overhauled to the oil well, the oil rod is pulled up, and the oil rod just can drive flexible slider 6 on the oil pipe connecting piece and go upward, exposes the draining hole through flexible slider 6 with 3 upsets of piston, and the crude oil in the oil pipe just discharges away along the draining hole, can scrape the debris on the oil pipe internal face at piston 3 by jack-up upward movement in-process.

Claims (9)

1. A telescopic oil drain device is characterized by comprising an oil pipe connecting piece which is axially communicated and an oil rod connecting piece which is arranged in the oil pipe connecting piece;
the oil pipe connecting piece is connected between two oil pipes, an oil drainage hole (101) is formed in the oil pipe connecting piece, the oil drainage hole (101) is used for draining crude oil in an oil drainage pipe, a movable block is arranged in the oil pipe connecting piece at a position opposite to the oil drainage hole (101), a through hole which is axially parallel to the center of the oil pipe connecting piece is formed in the movable block, and the oil rod connecting piece penetrates through the through hole and is connected with the oil pipe connecting piece;
the inside of the oil rod connecting piece is provided with an oil rod connecting hole (33) which is axially communicated, and the oil rod penetrates through the oil rod connecting hole (33) to be connected with the two ends of the oil rod connecting piece through screw threads.
2. The telescopic oil drainer as claimed in claim 1, wherein the oil rod connector comprises an oil rod connector body (4), an elastic connector and a telescopic slider (6), wherein an installation groove is arranged on the outer side of the oil rod connector body (4), snap rings (5) are arranged at two ends of the top of the installation groove, the telescopic slider (6) is installed between the snap rings (5) and the installation groove, one end of the elastic connector is fixed at the bottom of the installation groove, the other end of the elastic connector is fixed on the telescopic slider (6), a telescopic hole (9) for the telescopic slider to move is reserved between the telescopic slider (6) and the installation groove, and the radial distance from the central axis of the oil rod connector body (4) to the end face of the outer side of the telescopic slider (6) is greater than the radius of the through hole on the movable block when the elastic connector is in a release;
one end of the oil rod connecting piece body (4) penetrates through a through hole in the movable block, and one end face of the telescopic sliding block is in contact with one end face of the movable block.
3. The telescopic drip of claim 2, characterized in that the end surface of the telescopic slider (6) contacting with the movable block is a declined inclined surface.
4. The telescopic drip of claim 2 or 3, characterized in that the telescopic slide blocks (6) are at least two and are evenly arranged along the circumference of the body (4) of the oil rod connector.
5. Telescopic drip according to claim 4, characterised in that the number of telescopic slides (6) is three.
6. The telescopic drip of claim 2, wherein the elastic connecting piece is a spring (7), a spring connecting groove (8) is arranged at the bottom of the mounting groove of the oil rod connecting piece body (4), and a spring connecting groove (8) corresponding to the mounting groove is arranged on the side of the telescopic sliding block (6) opposite to the oil rod connecting piece body (4); one end of the spring (7) is connected in the spring connecting groove (8) on the mounting groove, the other end of the spring (7) is connected in the spring connecting groove (8) on the telescopic sliding block (6), and the oil rod connecting piece body (4) is connected with the telescopic sliding block (6) through the spring (7).
7. The telescopic drip of claim 2, characterized in that the tubing connector comprises an upper connector (1) with a hollow inside and a lower connector (2) with a hollow inside, the lower connector (2) is connected to the lower end of the upper connector (1), the oil drainage hole (101) is arranged on the side wall of the upper connector, the movable block is arranged in the upper connector (1) opposite to the oil drainage hole (101), and the telescopic sliding block (6) is arranged in the lower connector (2).
8. The telescopic drip of claim 7, wherein the outer side surface of the movable block and the outer side surface of the upper end of the lower joint connector (2) are provided with sealing ring connecting grooves (32), sealing rings (31) are arranged in the sealing ring connecting grooves (32), and the lower joint connector (2) and the movable block are respectively connected with the upper joint connector (1) in a sealing way through the sealing rings (31).
9. Telescopic drip according to claim 7 or 8, characterised in that the movable block is a piston (3).
CN201921960896.2U 2019-11-13 2019-11-13 Telescopic oil drain device Expired - Fee Related CN210977402U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921960896.2U CN210977402U (en) 2019-11-13 2019-11-13 Telescopic oil drain device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921960896.2U CN210977402U (en) 2019-11-13 2019-11-13 Telescopic oil drain device

Publications (1)

Publication Number Publication Date
CN210977402U true CN210977402U (en) 2020-07-10

Family

ID=71459802

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921960896.2U Expired - Fee Related CN210977402U (en) 2019-11-13 2019-11-13 Telescopic oil drain device

Country Status (1)

Country Link
CN (1) CN210977402U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200710

Termination date: 20201113

CF01 Termination of patent right due to non-payment of annual fee