CN214274765U

CN214274765U - Anti-leakage device for large oil-gas pipeline joint

Info

Publication number: CN214274765U
Application number: CN202022837615.3U
Authority: CN
Inventors: 蒋庆钦
Original assignee: Tianjin Zhongzhihui Technology Co ltd
Current assignee: Tianjin Zhongzhihui Technology Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-09-24
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses a large-scale oil and gas pipeline connects prevents leaking device, connect and the mount pad including the leak protection, the both ends that the leak protection connects are pegged graft respectively and are had first pipeline and second pipeline, have seted up the spread groove on the outer wall of first pipeline one end, and the welding has the joint at the inside snap ring of spread groove on the outer wall of second pipeline one end, has seted up the internal thread on the inside wall of spread groove, and be provided with on the lateral wall of snap ring with internal thread looks screw thread external screw thread, has seted up first seal groove on the inner wall of spread groove one side. The utility model discloses first pipeline is connected through internal thread and external screw thread with the second pipeline, and first sealing washer and second sealing washer be the rubber circle, have certain elasticity, and with first seal groove and second seal groove between each other behind the joint, can guarantee the leakproofness of first pipeline and second pipeline junction, can prevent to leak outward, rotate fixing bolt and can be inside the draw-in groove with joint semi-ring joint.

Description

Anti-leakage device for large oil-gas pipeline joint

Technical Field

The utility model relates to an oil gas transport technical field especially relates to a large-scale oil gas pipeline connects prevents leaking device.

Background

Pipeline transportation is an oil and gas transportation mode second to shipping, and for example, oil and gas pipelines from Xinjiang to inland, Russia to northeast and the like are important energy arteries in China.

The existing oil and gas pipeline joint generally adopts bolts to connect and fix two pipelines, the phenomenon of gas leakage is easy to generate after long-time use, the oil and gas pipeline joint cannot be suitable for different thick and thin pipelines to fix the oil and gas pipeline joint, the use range is small, and therefore the leakage prevention device of the large oil and gas pipeline joint needs to be designed urgently to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the leakage is easy to occur after long-time use and the leakage-proof device is provided for the large oil-gas pipeline joint, which can not be applied to the different thick and thin pipelines.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a large-scale oil and gas pipeline connects prevents leaking device, includes leak protection joint and mount pad, the both ends that the leak protection connects are pegged graft respectively and are had first pipeline and second pipeline, the spread groove has been seted up on the outer wall of first pipeline one end, and the welding has the snap ring of joint inside the spread groove on the outer wall of second pipeline one end, the internal thread has been seted up on the inside wall of spread groove, and be provided with the external screw thread with internal thread looks screw thread on the lateral wall of snap ring, set up first seal groove on the inner wall of spread groove one side, and be provided with the first sealing washer of joint inside first seal groove on the outer wall of snap ring one side, the second pipeline is close to and has seted up the second seal groove on the one end outer wall of snap ring, and is provided with the second sealing washer of joint inside the second seal groove on the one end outer wall of first pipeline close to the spread groove.

Furthermore, the equal threaded connection in outer wall both sides at leak protection joint both ends has fixing bolt, and all sets up the groove of accomodating that is the annular structure and distributes on the inner wall at leak protection joint inside wall both ends, fixing bolt is located the inside one end of leak protection joint and rotates through the bearing frame and connect the joint semi-ring.

Furthermore, the outer walls of one ends of the first pipeline and the second pipeline are provided with clamping grooves distributed in an annular structure, and the clamping semi-rings are clamped inside the clamping grooves.

Furthermore, two limiting grooves are formed in the outer wall of one side of the accommodating groove, and two limiting rods inserted into the limiting grooves are welded to the outer wall of one side of the clamping semi-ring.

Furthermore, the leak protection connects and all has seted up the screw thread annular on being close to fixing bolt's the lateral wall, and the internal thread connection of screw thread annular has the protective cover.

Furthermore, the outer wall of one side of the mounting seat is rotatably connected with two clamping seats through a rotating shaft, and one of the two clamping seats is welded with a first lug plate at the other end far away from the mounting seat.

Furthermore, a second lug plate is welded at the other end, far away from the mounting seat, of the other clamping seat, and a mounting bolt with threads inside the second lug plate is connected to the outer wall of the top of the first lug plate in a threaded mode.

The utility model has the advantages that:

1. through spread groove, snap ring, internal thread, external screw thread, first seal groove, first sealing washer, second seal groove and the second sealing washer that sets up, first pipeline is connected through internal thread and external screw thread with the second pipeline, first sealing washer and second sealing washer be the rubber circle, have certain elasticity, with first seal groove and second seal groove between each other joint back, can guarantee the leakproofness of first pipeline and second pipeline junction, can prevent outer the hourglass.

2. Through the fixing bolt who sets up, accomodate groove, joint semi-ring and draw-in groove, rotate fixing bolt and can be applicable to different models for on the pipeline with joint semi-ring joint inside the draw-in groove, more steady, can not be rotatory along with fixing bolt when the gag lever post can make the joint semi-ring remove.

3. Through the installation seat, the clamping seat, the first lug plate, the second lug plate and the installation bolt, the first pipeline and the second pipeline can be conveniently fixed in a required place, and the installation and the pipeline maintenance are more convenient.

Drawings

Fig. 1 is a schematic perspective view of an anti-seep device of a large oil-gas pipeline joint according to the present invention;

fig. 2 is a schematic view of an internal structure of an anti-leakage device of a large oil-gas pipeline joint provided by the present invention;

fig. 3 is a schematic view of a leak-proof sealing structure of a leak-proof device of a large oil-gas pipeline joint provided by the utility model;

fig. 4 is the utility model provides a fixed knot of large-scale oil gas pipeline joint puts up the fixed knot of antiseep device constructs the schematic diagram.

In the figure: 1 leak protection connects, 2 first pipeline, 3 second pipeline, 4 spread grooves, 5 snap rings, 6 internal threads, 7 external screw threads, 8 first seal grooves, 9 first sealing rings, 10 second seal grooves, 11 second sealing rings, 12 fixing bolt, 13 accomodate the groove, 14 joint semi-rings, 15 draw-in grooves, 16 spacing grooves, 17 gag lever post, 18 screw thread ring grooves, 19 protective covers, 20 mount pads, 21 holder, 22 first otic placodes, 23 second otic placodes, 24 construction bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, an anti-leakage device for a large-scale oil and gas pipeline joint comprises an anti-leakage joint 1 and a mounting base 20, wherein a first pipeline 2 and a second pipeline 3 are respectively inserted into two ends of the anti-leakage joint 1, a connecting groove 4 is formed in the outer wall of one end of the first pipeline 2, a snap ring 5 clamped inside the connecting groove 4 is welded on the outer wall of one end of the second pipeline 3, an internal thread 6 is formed in the inner wall of the connecting groove 4, an external thread 7 threaded with the internal thread 6 is formed on the outer wall of the snap ring 5, a first sealing groove 8 is formed in the inner wall of one side of the connecting groove 4, a first sealing ring 9 clamped inside the first sealing groove 8 is formed in the outer wall of one side of the snap ring 5, a second sealing groove 10 is formed in the outer wall of one end of the second pipeline 3 close to the snap ring 5, and a second sealing ring 11 clamped inside the second sealing groove 10 is formed in the outer wall of one end of the first pipeline 2 close to the connecting groove 4, first sealing washer 9 and first seal groove 8, second sealing washer 11 and second seal groove 10 looks joint cooperation, can guarantee the leakproofness of first pipeline 2 and second pipeline 3 junction, prevent gas leakage.

Further, the equal threaded connection in outer wall both sides at leak protection joint 1 both ends has fixing bolt 12, and all sets up on the inner wall at leak protection joint 1 inside wall both ends and be the groove 13 of accomodating that the loop configuration distributes, and fixing bolt 12 is located the inside one end of leak protection joint 1 and rotates through the bearing frame and connect joint semi-ring 14. The fixing bolt 12 is rotated to clamp the clamp half rings 14 in the clamp grooves 15.

Further, all set up the draw-in groove 15 that is the annular structure and distributes on the outer wall of

first pipeline

2 and 3 one ends of second pipeline, and joint semi-ring 14 joint is in the inside of draw-in groove 15, can make leak protection connect 1 and be connected with first pipeline 2 and second pipeline 3.

Furthermore, two limiting grooves 16 are formed in the outer wall of one side of the accommodating groove 13, two limiting rods 17 inserted into the limiting grooves 16 are welded to the outer wall of one side of the clamping semi-ring 14, and the limiting rods 17 can be clamped with the semi-ring 14 to rotate without rotating along with the fixing bolt 12.

Further, the leak protection connects 1 and all has seted up screw thread annular 18 on being close to fixing bolt 12's the lateral wall, and the internal thread of screw thread annular 18 is connected with protective cover 19, and protective cover 19 can prevent rainwater and fixing bolt 12 contact, can prevent that fixing bolt 12 from rustting.

Further, the outer wall of one side of the installation seat 20 is rotatably connected with two clamping seats 21 through a rotating shaft, a first lug plate 22 is welded at the other end, away from the installation seat 20, of one clamping seat 21, the two clamping seats 21 can rotate, and a pipeline can be conveniently placed inside the two clamping seats 21.

Furthermore, a second lug plate 23 is welded to the other end, away from the mounting seat 20, of the other clamping seat 22, and a mounting bolt 24 with threads inside the second lug plate 23 is connected to the outer wall of the top of the first lug plate 23 in a threaded manner, so that the pipeline can be conveniently fixed at a required position.

The working principle is as follows: when the anti-leakage device of the large oil and gas pipeline joint is used, the first pipeline 2 and the second pipeline 3 are respectively inserted at two ends of the anti-leakage joint 1 until the snap ring 5 is contacted with the connecting groove 4, then the second pipeline 2 is rotated until the second pipeline is not rotated, at the moment, the first sealing ring 9 is clamped inside the first sealing groove 8, the second sealing ring 11 is clamped inside the second sealing groove 10, the first sealing ring 9 and the second sealing ring 11 are elastic, the sealing grooves can be filled, the sealing performance of the joint of the first pipeline 2 and the second pipeline 3 can be ensured, the phenomenon of air leakage can be prevented, then the fixing bolt 12 is rotated until the semi-ring clamping 14 is clamped inside the clamping groove 15, pipelines with different types can be fixed, the limiting rod 17 can ensure that the clamping ring 14 cannot rotate when the fixing bolt 12 is rotated, the stability is stronger, then the protective cover 19 is rotated inside the semi-ring threaded groove 18, the protecting cover 19 can prevent rainwater from rusting after contacting the fixing bolt 12, the two clamping seats 21 are respectively rotated to surround the outside of the pipeline, the mounting bolt 24 penetrates through the first lug plate 22 in a threaded manner and then is screwed into the second lug plate 23, and the pipeline is fixed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An anti-leakage device of a large oil-gas pipeline joint comprises an anti-leakage joint (1) and a mounting seat (20), and is characterized in that a first pipeline (2) and a second pipeline (3) are respectively inserted into two ends of the anti-leakage joint (1), a connecting groove (4) is formed in the outer wall of one end of the first pipeline (2), a clamping ring (5) clamped inside the connecting groove (4) is welded on the outer wall of one end of the second pipeline (3), an internal thread (6) is formed in the inner side wall of the connecting groove (4), an external thread (7) which is threaded with the internal thread (6) is arranged on the outer side wall of the clamping ring (5), a first sealing groove (8) is formed in the inner wall of one side of the connecting groove (4), a first sealing ring (9) clamped inside the first sealing groove (8) is arranged on the outer wall of one side of the clamping ring (5), a second sealing groove (10) is formed in the outer wall of one end, close to the clamping ring (5), of the second pipeline (3), and a second sealing ring (11) clamped inside the second sealing groove (10) is arranged on the outer wall of one end, close to the connecting groove (4), of the first pipeline (2).

2. The leakage prevention device for the large oil and gas pipeline joint according to claim 1, wherein the two sides of the outer wall at the two ends of the leakage prevention joint (1) are both in threaded connection with fixing bolts (12), the inner walls at the two ends of the inner side wall of the leakage prevention joint (1) are both provided with accommodating grooves (13) distributed in an annular structure, and one end of each fixing bolt (12) located inside the leakage prevention joint (1) is rotatably connected with the clamping semi-ring (14) through a bearing seat.

3. The anti-leakage device for the large oil and gas pipeline joint according to claim 1, wherein the outer walls of one end of the first pipeline (2) and one end of the second pipeline (3) are both provided with clamping grooves (15) distributed in an annular structure, and the clamping semi-rings (14) are clamped inside the clamping grooves (15).

4. The anti-leakage device for the large oil and gas pipeline joint according to claim 2, wherein the outer wall of one side of the accommodating groove (13) is provided with two limiting grooves (16), and the outer wall of one side of the clamping semi-ring (14) is welded with two limiting rods (17) inserted in the limiting grooves (16).

5. The leakage-proof device for the large oil and gas pipeline joint according to claim 1, wherein the outer side wall of the leakage-proof joint (1) close to the fixing bolt (12) is provided with a thread ring groove (18), and the inner thread of the thread ring groove (18) is connected with a protective cover (19).

6. The leakage preventing device for the large oil and gas pipeline joint according to claim 1, wherein the outer wall of one side of the installation seat (20) is rotatably connected with two clamping seats (21) through a rotating shaft, and the other end of one of the clamping seats (21) far away from the installation seat (20) is welded with a first lug plate (22).

7. The leakage preventing device for the large oil and gas pipeline joint according to claim 1, wherein a second lug plate (23) is welded to the other end of the other clamping seat (22) far away from the mounting seat (20), and a mounting bolt (24) threaded inside the second lug plate (23) is in threaded connection with the outer wall of the top of the first lug plate (23).