CN212898348U

CN212898348U - Novel petroleum casing coupling

Info

Publication number: CN212898348U
Application number: CN202020957791.8U
Authority: CN
Inventors: 王胜永; 王军; 李凤魁; 李万明; 邓保行
Original assignee: Xinpengyuan Liaocheng Intelligent Technology Co ltd
Current assignee: Xinpengyuan Liaocheng Intelligent Technology Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-04-06
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a novel oil casing coupling, the utility model relates to an oil casing coupling technical field, including the top tube, the below of top tube is equipped with the intubate, the first flange of lower extreme fixed mounting of top tube, the upper end of intubate and the bottom surface fixed connection of first flange, and the below of first flange is equipped with the second flange, and first flange cooperatees with the second flange, and the top surface fixed mounting several inserted bar of second flange, two spherical draw-in grooves are seted up to the upper end of inserted bar. The utility model has the advantages of reasonable design, convenient to use can adjust the intraductal pressure of going up to can make this device be convenient for and connecting pipe installation and dismantlement when using.

Description

Novel petroleum casing coupling

Technical Field

The utility model relates to a petroleum casing coupling technical field specifically is a novel petroleum casing coupling.

Background

The petroleum casing pipe is a steel pipe used for supporting the well wall of an oil well or a gas well so as to ensure the normal operation of the whole oil well after the well drilling process and the well completion, each well needs to use several layers of casing pipes according to different drilling depths and geological conditions, the casing pipe needs to be cemented by cement after going into the well, the casing pipe is different from an oil pipe and a drill rod and cannot be reused, and the casing pipe belongs to a disposable consumption material, so that the consumption of the casing pipe accounts for more than 70 percent of the whole oil well pipe, a petroleum casing pipe coupling is a connecting device used for connecting the petroleum casing pipe and the petroleum casing pipe, but the existing petroleum casing pipe coupling is of a tubular integrated structure and is fixedly installed with the petroleum casing pipe through threads, the petroleum casing pipe is large in size, long.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel oil casing coupling to it is not enough to solve prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the device comprises an upper pipe, an insertion pipe is arranged below the upper pipe, a first flange is fixedly arranged at the lower end of the upper pipe, the upper end of the insertion pipe is fixedly connected with the bottom surface of the first flange, a second flange is arranged below the first flange, the first flange is matched with the second flange, a plurality of insertion rods are fixedly arranged on the top surface of the second flange, two spherical clamping grooves are formed in the upper ends of the insertion rods, a plurality of through holes are uniformly distributed in the bottom surface of the first flange, the insertion rods can penetrate through the through holes, a plurality of fixing blocks are fixedly arranged on the top surface of the first flange, round holes are formed in the bottom surface of the fixing blocks and correspond to the through holes, a placing groove is formed in the round holes, a movable iron block is arranged in the placing groove, the movable iron block can move along the placing groove, the top surface of the movable iron block is fixedly connected with the inner wall of, two recesses are seted up to the bottom surface of removing the iron plate, be equipped with two card posts in the standing groove, the arc position of card post and standing groove cooperatees, the card post can block in the draw-in groove and cooperate with the draw-in groove, the circular groove that passes is seted up to the bottom surface of removing the iron plate, the inserted bar can pass round hole and circular groove that passes, a dwang of bearing installation in the recess, the both ends fixed mounting connecting rod of dwang, the one end bearing installation rotation axis of connecting rod, rotation axis and corresponding card post fixed connection, the bottom surface fixed mounting connecting pipe of second flange, the intubate can insert in the connecting pipe and cooperate with the connecting pipe, the lower extreme of connecting pipe and the upper end.

The novel oil casing coupling is characterized in that the first flange and the second flange are identical in size and shape.

The novel oil casing coupling is characterized in that the bottom surface of the first flange is fixedly provided with the sealing ring.

According to the novel oil casing coupling, the upper end of the upper pipe is fixedly provided with the air release pipe, the air release pipe is communicated with the inside of the upper pipe, and the air release valve is fixedly arranged between the air release pipe and the upper pipe.

As above a novel oil casing coupling, the upper end suit circle cover of top tube, the bottom surface fixed mounting several evenly distributed's of circle cover the magnetic path, the magnetic path is corresponding with the fixed block, the magnetic path can inhale the cooperation with removing the iron plate mutually, the circle cover passes through screw-thread fit with the top tube and is connected, the circle cover can be followed the top tube and removed.

The utility model has the advantages that: the utility model has the advantages of reasonable design, convenient to use can adjust the intraductal pressure of going up to can make this device be convenient for and connecting pipe installation and dismantlement when using.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view of the overall structure of the present invention; fig. 2 is a partial enlarged view of I of fig. 1.

Reference numerals: 1-upper tube, 2-intubation tube, 3-first flange, 4-second flange, 5-inserted bar, 6-clamping groove, 7-through hole, 8-fixed block, 9-round hole, 10-placing groove, 11-moving iron block, 12-thrust spring, 13-groove, 14-clamping column, 15-circular through groove, 16-rotating rod, 17-connecting rod, 18-rotating shaft and 19-connecting tube.

Detailed Description

As shown in fig. 1 to 2, the novel oil casing coupling specifically disclosed in this embodiment comprises an upper pipe 1, an insertion pipe 2 is arranged below the upper pipe 1, a first flange 3 is fixedly mounted at the lower end of the upper pipe 1, the upper end of the insertion pipe 2 is fixedly connected with the bottom surface of the first flange 3, a second flange 4 is arranged below the first flange 3, the first flange 3 is matched with the second flange 4, a plurality of insertion rods 5 are fixedly mounted on the top surface of the second flange 4, two spherical clamping grooves 6 are formed at the upper end of the insertion rods 5, a plurality of through holes 7 are uniformly distributed on the bottom surface of the first flange 3, the insertion rods 5 can pass through the through holes 7, a plurality of fixed blocks 8 are fixedly mounted on the top surface of the first flange 3, a circular hole 9 is formed on the bottom surface of the fixed block 8, the circular hole 9 corresponds to the through hole 7, a placement groove 10 is formed inside the circular hole 9, a movable iron block 11 is arranged, the top surface of the movable iron block 11 is fixedly connected with the inner wall of the placing groove 10 through a thrust spring 12, the thrust spring 12 always provides a thrust force for the movable iron block 11, two sides below the placing groove 10 are arc-shaped, two grooves 13 are formed in the bottom surface of the movable iron block 11, two clamping columns 14 are arranged in the placing groove 10, the clamping columns 14 are matched with the arc-shaped parts of the placing groove 10, the clamping columns 14 can be clamped into the clamping grooves 6 and matched with the clamping grooves 6, a circular through groove 15 is formed in the bottom surface of the movable iron block 11, the inserting rod 5 can penetrate through the circular hole 9 and the circular through groove 15, a rotating rod 16 is arranged in the groove 13 in a bearing mode, connecting rods 17 are fixedly arranged at two ends of the rotating rod 16, a rotating shaft 18 is arranged at one end of each connecting rod 17 in a bearing mode, the rotating shaft 18 is fixedly connected with the corresponding clamping column 14, a connecting pipe, the lower end of the connecting pipe 19 and the upper end of the upper pipe 1 are both provided with internal threads. The utility model has the advantages of reasonable design, convenient to use can adjust the intraductal pressure of going up to can make this device be convenient for and connecting pipe installation and dismantlement when using. When the device is used, one side of the inserted rod 5 penetrates through the through hole 7, the round hole 9 and the circular through groove 15 to enable one end of the inserted rod 5 to be located in the placing groove 10, the movable iron block 11 is always pushed to move along the placing groove 10 to the direction of the clamping columns 14 under the action of the thrust spring 12, the movable iron block 11 is driven to swing through the connecting rod 17 and enable the two clamping columns 14 to be close to each other while moving, so that the clamping columns 14 can be clamped into the clamping grooves 6, the first flange 3 and the second flange 4 are matched, the connecting pipe is rapidly connected with the upper pipe, when the connecting pipe and the upper pipe 1 need to be detached, the round sleeve moves along the upper pipe 1 to drive the magnetic block to move up and down, the magnetic block can be in suction fit with the movable iron block 11, the movable iron block 11 can be sucked to move along the placing groove 10 to the direction of the thrust spring 12 under the action of the magnetic block, and when the movable iron block 11 moves, Connecting rod 17 and rotation axis 18 drive card post 14 and remove to can make card post 14 remove in draw-in groove 6 and come out, thereby inserted bar 5 can take out in circular groove 15 that passes through, thereby can make first flange 3 and second flange 4 no longer cooperate, this device of dismantlement that just can be convenient.

Specifically, the first flange 3 and the second flange 4 described in the present embodiment are both the same in size and shape. When using this device, through first flange 3 and the equal same of second flange 4 size shape, can conveniently install fixedly.

Specifically, the bottom surface of the first flange 3 described in this embodiment is fixedly provided with a sealing ring. When using this device, can make the leakproofness between first flange 3 and the second flange 4 better through the sealing washer, can make this device use more convenient.

Further, this embodiment the upper end fixed mounting bleed pipe of upper tube 1, the bleed pipe communicates with each other with upper tube 1 is inside, fixed mounting bleed valve between bleed pipe and the upper tube 1. When using this device, can pass through the bleed pipe with the gas in the upper tube 1 and discharge through opening the bleed valve to can adjust the atmospheric pressure in the upper tube 1.

Furthermore, the upper end suit circle cover of upper tube 1, the bottom surface fixed mounting several evenly distributed's of circle cover magnetic path, the magnetic path is corresponding with fixed block 8, the magnetic path can inhale the cooperation with removing iron plate 11 mutually, the circle cover passes through screw-thread fit with upper tube 1 and is connected, the circle cover can be followed upper tube 1 and removed. When the device is used, the round sleeve moves along the upper pipe 1 to drive the magnetic block to move up and down, so that the magnetic block and the movable iron block 11 are attracted and matched.

The embodiments of the present invention have been described with reference to the accompanying drawings, but these descriptions should not be construed as limiting the scope of the present invention, and the technical contents not described in detail in the present invention are known in the art.

Claims

1. A novel oil casing coupling is characterized in that: comprises an upper pipe (1), an insertion pipe (2) is arranged below the upper pipe (1), a first flange (3) is fixedly arranged at the lower end of the upper pipe (1), the upper end of the insertion pipe (2) is fixedly connected with the bottom surface of the first flange (3), a second flange (4) is arranged below the first flange (3), the first flange (3) is matched with the second flange (4), a plurality of insertion rods (5) are fixedly arranged on the top surface of the second flange (4), two spherical clamping grooves (6) are arranged at the upper end of the insertion rods (5), a plurality of through holes (7) which are uniformly distributed are arranged on the bottom surface of the first flange (3), the insertion rods (5) can pass through the through holes (7), a plurality of fixed blocks (8) are fixedly arranged on the top surface of the first flange (3), round holes (9) are arranged on the bottom surface of the fixed blocks (8), the round holes (9) correspond to the through holes (7), a placement groove, a movable iron block (11) is arranged in the placing groove (10), the movable iron block (11) can move along the placing groove (10), the top surface of the movable iron block (11) is fixedly connected with the inner wall of the placing groove (10) through a thrust spring (12), the thrust spring (12) always gives thrust to the movable iron block (11), two sides below the placing groove (10) are arc-shaped, two grooves (13) are formed in the bottom surface of the movable iron block (11), two clamping columns (14) are arranged in the placing groove (10), the clamping columns (14) are matched with the arc-shaped parts of the placing groove (10), the clamping columns (14) can be clamped into the clamping grooves (6) and matched with the clamping grooves (6), a circular through groove (15) is formed in the bottom surface of the movable iron block (11), an inserting rod (5) can penetrate through a circular hole (9) and the circular through groove (15), a bearing (16) is arranged in each groove (a rotating rod (13), connecting rods (17) are fixedly arranged at two ends of, one end bearing installation rotation axis (18) of connecting rod (17), rotation axis (18) and corresponding card post (14) fixed connection, bottom surface fixed mounting connecting pipe (19) of second flange (4), intubate (2) can insert in connecting pipe (19) and cooperate with connecting pipe (19), and the lower extreme of connecting pipe (19) and the upper end of upper tube (1) all set up the internal thread.

2. The novel oil casing coupling as claimed in claim 1, wherein: the first flange (3) and the second flange (4) are identical in size and shape.

3. The novel oil casing coupling as claimed in claim 1, wherein: and a sealing ring is fixedly arranged on the bottom surface of the first flange (3).

4. The novel oil casing coupling as claimed in claim 1, wherein: the upper end fixed mounting gas release pipe of upper tube (1), the gas release pipe communicates with each other with upper tube (1) is inside, fixed mounting bleed valve between gas release pipe and upper tube (1).

5. The novel oil casing coupling as claimed in claim 1, wherein: the upper end suit circle cover of top tube (1), the bottom surface fixed mounting several evenly distributed's of circle cover the magnetic path, the magnetic path is corresponding with fixed block (8), the magnetic path can inhale the cooperation mutually with removing iron plate (11), the circle cover passes through screw-thread fit with top tube (1) and is connected, the circle cover can be followed top tube (1) and removed.