CN217977870U

CN217977870U - Oil field composite pipe capable of being bent and shaped

Info

Publication number: CN217977870U
Application number: CN202222407001.0U
Authority: CN
Inventors: 陈宝峰; 雷进; 姜延坤; 姜春雷; 刘艳筎
Original assignee: Jilin Oilfield Duoyuan Industrial Group Co ltd
Current assignee: Jilin Oilfield Duoyuan Industrial Group Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-12-06
Anticipated expiration: 2032-09-06

Abstract

The utility model belongs to the technical field of the composite pipe technique and specifically relates to indicate an oil field composite pipe of flexible design, including the composite pipe body, composite pipe body both ends fixedly connected with connecting seat has seted up the runner in the connecting seat, and sliding connection has the piston in the runner, and sliding connection has the connecting rod in the connecting seat, fixed connection between connecting rod and the piston, the one end and the draft tube fixed connection of piston are kept away from to the connecting rod, sliding connection between draft tube and the connecting tube, and the seal groove has been seted up to the draft tube surface that is located the right-hand member, and the one end fixedly connected with sealing strip of connecting rod is kept away from to the draft tube that is located the left end. The utility model discloses a can prevent that the phenomenon of leakage from appearing in the junction under the cooperation of sealing strip and seal groove, and then can drive the draft tube under the effect of connecting rod and remove, will make sealing strip and seal groove complex inseparabler like this, further prevented that the phenomenon of leakage from appearing in the junction, great improvement leakproofness when the pipe connection.

Description

Oil field composite pipe capable of being bent and shaped

Technical Field

The utility model relates to a compound tub technical field especially relates to a compound pipe in oil field of flexible design.

Background

The flexible composite high-pressure conveying pipe is a pipe made of polymer composite materials and used for petroleum and natural gas industry, and has the advantages of certain high strength, high pressure, corrosion resistance, scaling resistance, small friction coefficient, good heat preservation, good flexibility and long service life.

However, when the existing flexible composite pipe is connected, the sealing performance is poor, and the sealing is simply carried out by using the sealing ring, so that the leakage phenomenon is easily caused at the joint, and the resource waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing the oil field composite pipe which can be shaped in a bending way.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the bendable oilfield composite pipe comprises a composite pipe body, wherein two ends of the composite pipe body are fixedly connected with connecting seats, circular rings are connected in the connecting seats in a sliding manner, one ends, far away from the composite pipe body, of the circular rings are fixedly connected with connecting cylinders, the connecting cylinders are connected with the connecting seats in a sliding manner, and the circumferential surfaces of the connecting cylinders are fixedly connected with flanges;

the runner has been seted up in the connecting seat, sliding connection has the piston in the runner, sliding connection has the connecting rod in the connecting seat, fixed connection between connecting rod and the piston, the one end and draft tube fixed connection of piston are kept away from to the connecting rod, sliding connection between draft tube and the connecting cylinder is located the right-hand member the seal groove has been seted up to the draft tube surface, is located the left end the one end fixedly connected with sealing strip of connecting rod is kept away from to the draft tube.

As a further description of the above technical solution:

the composite pipe body comprises an outer layer pipe, a corrugated pipe and an inner layer pipe, wherein the outer layer pipe, the corrugated pipe and the inner layer pipe are distributed from outside to inside in sequence, the outer layer pipe and the inner layer pipe are fixedly connected with the corrugated pipe, the outer layer pipe and the inner layer pipe are made of rubber materials, and the corrugated pipe is made of aluminum alloy materials.

As a further description of the above technical solution:

the connecting seat is provided with a circular groove at one end face far away from the composite pipe body, the bottom of the circular groove is provided with a containing groove, the containing groove is communicated with the circular groove, the circular ring is positioned in the circular groove, and the connecting cylinder is positioned in the circular groove.

As a further description of the above technical solution:

the runner is L type shape, the runner is provided with a plurality of and evenly distributed inside the connecting seat, the one end that the piston was kept away from to the runner runs through the connecting seat inner wall.

As a further description of the above technical solution:

the mounting hole has been seted up on the flange surface, the mounting hole is provided with a plurality ofly and evenly distributed on the flange surface.

As a further description of the above technical solution:

the sealing groove is matched with the sealing strip, the end faces of the sealing groove and the sealing strip are both in a semi-arc shape, and the sealing strip is made of rubber materials.

The utility model discloses following beneficial effect has:

compared with the prior art, this compound pipe in oil field of flexible design, when carrying out the compound union coupling in oil field, through setting up seal groove and sealing strip, can prevent that the phenomenon of junction appearance leakage under the cooperation of sealing strip and seal groove, when going on to this internal oil that lets in of compound pipe, at this moment, the oil will enter into the runner originally internally, will promote the piston to move under the effect of oil, and then can drive the draft tube and remove under the effect of connecting rod, will make sealing strip and seal groove complex inseparabler like this, the phenomenon of leakage has further been prevented from appearing in the junction, great improvement leakproofness when the pipe connection.

Drawings

Fig. 1 is a schematic front view of an overall structure of a bendable oilfield composite pipe provided by the present invention;

fig. 2 is a rear sectional view of a bendable oilfield composite pipe according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 of a bendable oilfield composite pipe proposed by the present invention;

fig. 4 is a magnified view of part B in fig. 2 of the bendable oilfield composite pipe provided by the present invention.

Illustration of the drawings:

1. a composite pipe body; 101. an outer tube; 102. a bellows; 103. an inner layer tube; 2. a connecting seat; 3. A flange; 4. a circular ring; 5. a connecting cylinder; 6. a draft tube; 7. a flow channel; 8. a piston; 9. a connecting rod; 10. A sealing groove; 11. a sealing strip.

Detailed Description

The first embodiment is as follows:

referring to fig. 1-4, the utility model provides a bendable oil field composite pipe, which comprises a composite pipe body 1, wherein two ends of the composite pipe body 1 are fixedly connected with connecting seats 2, a circular ring 4 is slidably connected in the connecting seats 2, one end of the circular ring 4 far away from the composite pipe body 1 is fixedly connected with a connecting cylinder 5, the connecting cylinder 5 is slidably connected with the connecting seats 2, and the circumferential surface of the connecting cylinder 5 is fixedly connected with a flange 3;

during the use, the compound pipe in oil field can make the compound inside pressure increase of oil field after letting in the oil, at this moment because the cooperation of ring 4 can prevent connecting cylinder 5 and break away from connecting seat 2 for the compound pipe in oil field can be more stable when carrying out flange 3 and connecting, simultaneously, the rotation of connecting cylinder 5 also is convenient for the connection between the flange 3.

Seted up runner 7 in the connecting seat 2, sliding connection has piston 8 in the runner 7, sliding connection has connecting rod 9 in the connecting seat 2, fixed connection between connecting rod 9 and the piston 8, piston 8's one end and draft tube 6 fixed connection are kept away from to connecting rod 9, sliding connection between draft tube 6 and the connecting

cylinder

5, 6 surfaces of draft tube that are located the right-hand member have seted up seal groove 10, the one end fixedly connected with sealing strip 11 that connecting rod 9 was kept away from to draft tube 6 that is located the left end.

During the use, through under the cooperation at sealing strip 11 and seal groove 10, can play the sealed of junction, when compound pipe body 1 lets in the oil, at this moment the oil can get into inside runner 7, and then can extrude piston 8, will drive draft tube 6 at this moment under the effect of connecting rod 9 and remove, and then can make seal groove 10 inseparabler with sealing strip 11 complex, just so can further seal the junction to the sealed effect of junction has been improved.

Connecting seat 2 keeps away from the terminal surface of compound pipe body 1 and has seted up the circular recess, and the holding tank has been seted up to the circular recess bottom, and holding tank and circular recess intercommunication, ring 4 are located the circular recess, and connecting cylinder 5 is located the circular recess inside, and the during operation, through under the cooperation of circular recess and holding tank, ring 4 and connecting cylinder 5 of being convenient for rotate.

Runner 7 is L type shape, and runner 7 is provided with a plurality ofly and evenly distributed inside connecting seat 2, and the one end that piston 8 was kept away from to runner 7 runs through connecting seat 2 inner walls, and the during operation, evenly distributed's a plurality of runners 7 can be so that draft tube 6's removal is more stable.

The mounting hole has been seted up on 3 surfaces of flange, and the mounting hole is provided with a plurality ofly and evenly distributed on 3 surfaces of flange, and the during operation is convenient for link together two flanges 3 through the mounting hole with the bolt passing flange 3 like this.

The sealing groove 10 is matched with the sealing strip 11, the end faces of the sealing groove 10 and the sealing strip 11 are both in a semi-arc shape, the sealing strip 11 is made of rubber materials, and when the sealing device works, the end faces of the sealing groove 10 and the sealing strip 11 are both in a semi-arc shape, so that the sealing area can be increased.

Example two, as shown in fig. 3 and 4:

the difference from the first embodiment is that: the composite pipe body 1 comprises an outer layer pipe 101, a corrugated pipe 102 and an inner layer pipe 103, wherein the outer layer pipe 101, the corrugated pipe 102 and the inner layer pipe 103 are sequentially distributed from outside to inside, the outer layer pipe 101 and the inner layer pipe 103 are fixedly connected with the corrugated pipe 102, the outer layer pipe 101 and the inner layer pipe 103 are made of rubber materials, and the corrugated pipe 102 is made of aluminum alloy materials.

When the corrugated pipe is used, the aluminum alloy corrugated pipe 102 has bending performance and can be shaped when being bent, so that when the composite pipe body 1 is connected with an oil field pipeline, the pipelines can be conveniently connected according to the distribution positions of the oil field pipeline, meanwhile, because the bending part of the composite pipe body 1 can be shaped, the composite pipe body 1 is prevented from being in contact friction with the oil pipeline, and then the leakage phenomenon of the composite pipe body 1 when oil is introduced can be prevented under the matching of the outer layer pipe 101 and the inner layer pipe 103.

The working principle is as follows:

use the utility model discloses the time, utilize flange 3 to come to compound pipe body 1 and oil field pipe connection together, then carry out the concatenation of compound pipe body 1 as required again, when the concatenation of compound pipe pipeline, under the cooperation of seal groove 10 and sealing strip 11, just can seal compound pipe body 1 junction, when compound pipe body 1 lets in the oil, at this moment the oil can get into inside runner 7, and then can extrude piston 8, at this moment will drive draft tube 6 under the effect of connecting rod 9 and remove, and then can make seal groove 10 and sealing strip 11 complex inseparabler, just so can further seal the junction, thereby the sealed effect of junction has been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a compound pipe in flexible design's oil field, includes compound pipe body (1), its characterized in that: the composite pipe is characterized in that connecting seats (2) are fixedly connected to two ends of the composite pipe body (1), a circular ring (4) is connected to the connecting seats (2) in a sliding mode, a connecting cylinder (5) is fixedly connected to one end, far away from the composite pipe body (1), of the circular ring (4), the connecting cylinder (5) is connected with the connecting seats (2) in a sliding mode, and a flange (3) is fixedly connected to the circumferential surface of the connecting cylinder (5);

runner (7) have been seted up in connecting seat (2), sliding connection has piston (8) in runner (7), sliding connection has connecting rod (9) in connecting seat (2), fixed connection between connecting rod (9) and piston (8), the one end and draft tube (6) fixed connection of piston (8) are kept away from in connecting rod (9), sliding connection between draft tube (6) and connecting cylinder (5) is located the right-hand member seal groove (10) have been seted up on draft tube (6) surface, are located the left end one end fixedly connected with sealing strip (11) that connecting rod (9) were kept away from in draft tube (6).

2. The oilfield composite pipe of claim 1, wherein: the composite pipe comprises a composite pipe body (1) and is characterized in that the composite pipe body comprises an outer layer pipe (101), a corrugated pipe (102) and an inner layer pipe (103), the outer layer pipe (101), the corrugated pipe (102) and the inner layer pipe (103) are sequentially distributed from outside to inside, the outer layer pipe (101) and the inner layer pipe (103) are fixedly connected with the corrugated pipe (102), the outer layer pipe (101) and the inner layer pipe (103) are made of rubber materials, and the corrugated pipe (102) is made of aluminum alloy materials.

3. The oilfield composite of claim 1, wherein the flexible tubing comprises: the composite pipe is characterized in that a circular groove is formed in one end face, away from the composite pipe body (1), of the connecting seat (2), a containing groove is formed in the bottom of the circular groove and communicated with the circular groove, the circular ring (4) is located in the circular groove, and the connecting cylinder (5) is located inside the circular groove.

4. The oilfield composite of claim 1, wherein the flexible tubing comprises: the flow channel (7) is L-shaped, the flow channel (7) is provided with a plurality of flow channels which are evenly distributed inside the connecting seat (2), and one end, far away from the piston (8), of the flow channel (7) penetrates through the inner wall of the connecting seat (2).

5. The oilfield composite of claim 1, wherein the flexible tubing comprises: the mounting holes are formed in the surface of the flange (3), and the mounting holes are uniformly distributed in the surface of the flange (3).

6. The oilfield composite of claim 1, wherein the flexible tubing comprises: the sealing groove (10) is matched with the sealing strip (11), the end faces of the sealing groove (10) and the sealing strip (11) are both in a semicircular arc shape, and the sealing strip (11) is made of rubber materials.