CN217081748U

CN217081748U - Pipeline for natural gas transmission

Info

Publication number: CN217081748U
Application number: CN202220684717.2U
Authority: CN
Inventors: 谭再禄
Original assignee: Lichuan Renhe Natural Gas Co ltd
Current assignee: Lichuan Renhe Natural Gas Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-29
Anticipated expiration: 2032-03-25

Abstract

The utility model relates to the technical field of natural gas pipelines, in particular to a natural gas transmission pipeline, which comprises a connecting pipe and a protective sleeve, wherein the outer side and the inner side of the connecting pipe are respectively provided with an external thread ring and a first threaded hole, the outer side of the protective sleeve is provided with a mounting groove, the inner side of the mounting groove is sequentially provided with a movable sleeve and a connecting rod, the outer side of the protective sleeve is provided with an adjusting ring, the external thread ring is integrally formed at the left side of the connecting pipe, the first threaded hole is arranged at the right side of the inner wall of the connecting pipe, and is matched with the external thread ring, the protective sleeve is fixedly connected with the outer side of the connecting pipe, the mounting grooves are equidistantly arranged in the center of the outer side of the protective sleeve by taking the center of the connecting pipe as a circular point ring, the left side of the protective sleeve is fixedly connected with a sealing ring, the protective sleeve is made of anti-corrosion plastic, the device has solved current pipeline intensity and has been lower, and the junction leakproofness is relatively poor, receives the problem that external influence leads to the natural gas to reveal in carrying easily.

Description

Pipeline for natural gas transmission

Technical Field

The utility model relates to a natural gas line technical field, concretely relates to pipeline for natural gas transmission.

Background

Natural gas is a mixture of hydrocarbons and non-hydrocarbon gases which are accumulated in a stratum, is mostly accumulated in an underground porous rock stratum, comprises oil field gas, gas field gas, coal bed gas, biogenetic gas and the like, is slightly discharged from a coal bed, is high-quality fuel and chemical raw materials, and is formed for a long time.

The existing pipeline for natural gas transmission is simple in structure and low in overall strength, the pipeline is easily scratched by other objects to cause gas leakage, meanwhile, the sealing performance of the pipeline joint is poor, the pipeline is easily damaged due to the influence of rainwater and weathering, and therefore the problem of gas transmission safety is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a pipeline for natural gas transmission possesses advantages such as strengthening pipeline protective capacities and junction leakproofness, and it is lower to have solved current pipeline intensity, and the junction leakproofness is relatively poor, receives external influence easily to lead to the problem that the natural gas was revealed in carrying.

The utility model discloses a pipeline for natural gas transmission, including connecting pipe and lag, the outside and the inboard of connecting pipe are provided with external screw thread ring sum first screw hole respectively, the outside of lag is provided with mounting groove, mounting groove's inboard has set gradually movable sleeve and connecting rod, the adjustable ring is installed in the outside of lag.

Through the design of the technical scheme, the problems that the existing pipeline is low in strength, poor in sealing performance of joints and prone to being affected by the outside world to cause leakage of natural gas during conveying are solved.

As a further improvement, the external thread ring integrated into one piece is in the connecting pipe left side, first screw hole is seted up on the right side of connecting pipe inner wall, and with external thread ring looks adaptation.

Through the design of the technical scheme, the connecting pipes are connected with each other without the assistance of tools, and the operation of workers is facilitated.

As a further improvement, the lag fixed connection is in the outside of connecting pipe, the central authorities in the lag outside are seted up as dot annular equidistance to the center that mounting groove used the connecting pipe, the left side fixedly connected with sealing ring of lag, the lag is an anticorrosion plastics.

Through the design of the technical scheme, the sealing performance of the connecting pipe joint is improved, and meanwhile the protecting sleeve can protect the connecting pipe to a certain degree.

As a further improvement, the second screw hole has been seted up to the left and right sides equidistance of mounting groove inner wall, the movable sleeve has two, the central fixedly connected with thread head of connecting pipe center one side is kept away from to the movable sleeve, the movable sleeve passes through thread head threaded connection in the second threaded hole.

Through the design of the technical scheme, the movable sleeve and the connecting rod are convenient to disassemble and assemble on the inner side of the mounting groove, so that the movable sleeve and the connecting rod can be timely replaced after being damaged.

As a further improvement, the sliding cavity is opened to the movable sleeve's inboard, the left and right sides integrated into one piece of connecting rod has the adaptation to say in the sliding cavity's gleitbretter, the left and right sides of connecting rod runs through the movable sleeve and is close to one side at connecting pipe center and through gleitbretter sliding connection in the sliding cavity says, movable sleeve and connecting rod are a stainless steel alloy.

Through the design of the technical scheme, the movable sleeve can slide outside the connecting rod to adjust the overall length of the movable sleeve and the connecting rod, so that the movable sleeve and the connecting rod can move to the inner side of the mounting groove.

As a further improvement of the utility model, the ring channel has been seted up on the right side on lag surface, the inboard of ring channel is provided with the screw thread, the left side of adjustable ring inner wall is provided with the internal thread, adjustable ring threaded connection is in the inboard of ring channel.

Through the design of the technical scheme, the connecting part of the connecting pipe and the sealing ring can be protected, and the sealing ring is prevented from being influenced by weathering to reduce the sealing performance.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model facilitates the installation of the connecting rod and the movable sleeve in the installation groove by matching with the sliding cavity channel and the thread head, simultaneously the connecting rod and the movable sleeve can play a role in protection, natural gas leakage caused by scratching the surface of the connecting pipe by other objects is prevented, and the connecting rod and the movable sleeve can not be rusted due to the influence of rainy weather, the sealing performance of the connection between the connecting pipes is improved by matching with the sealing ring through the ring groove and the adjusting ring, simultaneously the adjusting ring can protect the sealing ring after the connecting pipe is connected, the sealing ring is prevented from generating generation, the connection between the connecting pipes is facilitated by matching with the first thread hole through the ring groove and the adjusting ring, the problem that the whole strength of the existing connecting pipe is lower, the existing connecting pipe is easily damaged due to the influence of other objects is solved, and meanwhile, the sealing performance of the connection part of the connecting pipe is poorer in weathering is realized, is easily affected by rain and weathering, thereby posing a threat to the gas transportation safety.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

fig. 3 is a schematic view of the overall front view structure of the present invention.

In the figure: 1. a connecting pipe; 2. an externally threaded ring; 3. a first threaded hole; 4. a protective sleeve; 5. installing a groove; 6. a second threaded hole; 7. an active cannula; 8. a sliding cavity; 9. a connecting rod; 10. a screw head; 11. a seal ring; 12. an annular groove; 13. an adjusting ring.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, for simplicity, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Please refer to fig. 1-3, the utility model discloses a pipeline for natural gas transmission, including connecting pipe 1 and lag 4, the outside and the inboard of connecting pipe 1 are provided with external screw thread ring 2 and first screw hole 3 respectively, the outside of lag 4 is provided with mounting groove 5, mounting groove 5's inboard has set gradually movable sleeve 7 and connecting rod 9, adjustable ring 13 is installed in the outside of lag 4, the device has solved current pipeline intensity lower, the junction leakproofness is relatively poor, receive external influence easily to lead to the problem that the natural gas was revealed in the transport.

Referring to fig. 1, the external thread ring 2 is integrally formed on the left side of the connecting pipe 1, and the first threaded hole 3 is formed on the right side of the inner wall of the connecting pipe 1 and is matched with the external thread ring 2, so that the connecting pipes 1 are connected with each other without the aid of tools, and the operation of workers is facilitated.

Referring to fig. 3, the protecting sleeve 4 is fixedly connected to the outer side of the connecting pipe 1, the mounting grooves 5 are equidistantly formed in the center of the outer side of the protecting sleeve 4 by taking the center of the connecting pipe 1 as a circular dot ring, the sealing ring 11 is fixedly connected to the left side of the protecting sleeve 4, the protecting sleeve 4 is made of anti-corrosion plastic, the sealing performance of the joint of the connecting pipe 1 is improved, and meanwhile the protecting sleeve 4 can protect the connecting pipe 1 to a certain extent.

Referring to fig. 1, the left side and the right side of the inner wall of the mounting groove 5 are provided with second threaded holes 6 at equal intervals, two movable sleeves 7 are provided, the movable sleeves 7 are fixedly connected with threaded heads 10 at the center of one side of the center of the connecting pipe 1, and the movable sleeves 7 are connected in the second threaded holes 6 through the threaded heads 10 in a threaded manner, so that the movable sleeves 7 and the connecting rods 9 can be conveniently detached and mounted at the inner side of the mounting groove 5, and the movable sleeves 7 and the connecting rods 9 can be timely replaced after being damaged.

Referring to fig. 1, a sliding cavity 8 is formed in the inner side of the movable sleeve 7, sliding pieces adapted to the sliding cavity 8 are integrally formed on the left and right sides of the connecting rod 9, the left and right sides of the connecting rod 9 penetrate through one side of the movable sleeve 7 close to the center of the connecting pipe 1 and are slidably connected in the sliding cavity 8 through the sliding pieces, the movable sleeve 7 and the connecting rod 9 are made of stainless steel alloy, the movable sleeve 7 can slide on the outer side of the connecting rod 9 to adjust the overall length of the movable sleeve 7 and the connecting rod 9, and the movable sleeve 7 and the connecting rod 9 can move to the inner side of the mounting groove 5.

Referring to fig. 2, an annular groove 12 is formed in the right side of the surface of the protective sleeve 4, threads are arranged on the inner side of the annular groove 12, internal threads are arranged on the left side of the inner wall of the adjusting ring 13, and the adjusting ring 13 is in threaded connection with the inner side of the annular groove 12, so that the connection part of the connecting pipe 1 and the sealing ring 11 can be protected, and the sealing ring 11 is prevented from being affected by weathering to reduce the sealing performance.

When the utility model is used, the connecting pipe 1 is connected with the first threaded hole 3 at the inner side of another connecting pipe 1 through the external thread ring 2, at this moment, the sealing ring 11 at the left side of the protecting jacket 4 is jointed with the right side of the protecting jacket 4 at the outer side of another connecting pipe 1, then the adjusting ring 13 outside the ring groove 12 is rotated to enable the adjusting ring 13 to cover the sealing ring 11 attached at the joint of the two connecting pipes 1, then the two movable sleeves 7 move to the center of the connecting rod 9 through the sliding cavity channel 8 to enable the movable sleeves 7 and the connecting rod 9 to move into the mounting groove 5, then two movable sleeves 7 are respectively in threaded connection with a second threaded hole 6 on the inner side of the mounting groove 5 through a threaded head 10, at the moment, the movable sleeves 7 and the connecting rod 9 can be automatically stretched to completely cover the mounting groove 5, the connecting pipe 1 is protected, and the mounting of the connecting pipe 1 is completed once.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a pipeline for natural gas transmission, includes connecting pipe (1) and lag (4), its characterized in that: the outer side and the inner side of the connecting pipe (1) are respectively provided with an external thread ring (2) and a first threaded hole (3), the outer side of the protecting sleeve (4) is provided with a mounting groove (5), the inner side of the mounting groove (5) is sequentially provided with a movable sleeve (7) and a connecting rod (9), and the outer side of the protecting sleeve (4) is provided with an adjusting ring (13).

2. The natural gas transport pipeline according to claim 1, wherein: external screw thread ring (2) integrated into one piece is in connecting pipe (1) left side, first screw hole (3) are seted up on the right side of connecting pipe (1) inner wall, and with external screw thread ring (2) looks adaptation.

3. The natural gas transport pipeline according to claim 1, wherein: lag (4) fixed connection is in the outside of connecting pipe (1), mounting groove (5) use the center of connecting pipe (1) to set up the central authorities in lag (4) outside for the dot annular equidistance, the left side fixedly connected with sealing ring (11) of lag (4), lag (4) are anticorrosive plastics.

4. The natural gas transport pipeline according to claim 1, wherein: second screw hole (6) have been seted up to the left and right sides equidistance of mounting groove (5) inner wall, movable sleeve (7) have two, central fixedly connected with thread head (10) of connecting pipe (1) center one side are kept away from in movable sleeve (7), movable sleeve (7) are through thread head (10) threaded connection in second screw hole (6).

5. The natural gas transportation pipeline according to claim 4, wherein: sliding cavity way (8) have been seted up to the inboard of movable sleeve (7), the left and right sides integrated into one piece of connecting rod (9) has the gleitbretter of adaptation in sliding cavity way (8), the left and right sides of connecting rod (9) runs through movable sleeve (7) and is close to one side at connecting pipe (1) center and through gleitbretter sliding connection in sliding cavity way (8), movable sleeve (7) and connecting rod (9) are a stainless steel alloy.

6. The natural gas transport pipeline according to claim 1, wherein: annular groove (12) have been seted up on the right side on lag (4) surface, the inboard of annular groove (12) is provided with the screw thread, the left side of adjustable ring (13) inner wall is provided with the internal thread, adjustable ring (13) threaded connection is in the inboard of annular groove (12).