CN212839887U - Natural gas line sealing connection device - Google Patents
Natural gas line sealing connection device Download PDFInfo
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- CN212839887U CN212839887U CN202021483512.5U CN202021483512U CN212839887U CN 212839887 U CN212839887 U CN 212839887U CN 202021483512 U CN202021483512 U CN 202021483512U CN 212839887 U CN212839887 U CN 212839887U
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Abstract
The utility model provides a natural gas line sealing connecting device, including the registration arm, the spacing pipe of fixedly connected with in the middle of the registration arm inner wall, the registration arm outer wall is provided with the connection external screw thread, fixedly connected with spliced pole in the middle of the registration arm outer wall top, the first spliced pole of fixedly connected with in the middle of the spliced pole rear end face, the first spacing card of first spliced pole rear end top fixedly connected with, fixedly connected with second spliced pole in the middle of the preceding terminal surface of spliced pole, the spacing card of second of fixedly connected with in the middle of the second spliced pole front end top. The utility model discloses a first connecting pipe and second connecting pipe carry out threaded connection to natural gas line, can guarantee the compactness of junction, and both ends carry out threaded connection to the outside simultaneously, and the leakproofness of connecting is guaranteed to zonulae occludens between screw thread and the screw thread, and inside natural gas pipe is to pegging graft in the registration arm simultaneously, has further guaranteed sealed performance.
Description
Technical Field
The utility model relates to a sealing connection device's technical field, concretely relates to natural gas line sealing connection device.
Background
Natural gas refers to a mixture of hydrocarbon and non-hydrocarbon gases that are naturally trapped in subterranean formations, and in petroleum geology, oil field gas and gas field gas are commonly referred to. It is mainly found in oil fields and natural gas fields, and also in coal seams in small quantities. The natural gas is mainly used as fuel, can be used for producing carbon black, chemicals and liquefied petroleum gas, and the propane and butane produced by the natural gas are important raw materials of modern industry.
In current natural gas transportation pipeline, pipeline connecting device often can appear, guarantees that the natural gas does not reveal in the pipeline transportation, guarantees the safety of pipeline surrounding environment. However, the existing natural gas pipeline connecting device is troublesome to install, more leakage-proof measures are needed, the assembling efficiency of the pipeline is reduced, and the assembling cost of the pipeline is also improved.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a natural gas pipeline sealing connection device for solve the technical problem who proposes among the above-mentioned background art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a natural gas pipeline sealing connection device comprises a positioning pipe, wherein a limiting pipe is fixedly connected in the middle of the inner wall of the positioning pipe, the outer wall of the positioning pipe is provided with a connection external thread, a fixed connection column is fixedly connected in the middle of the top of the outer wall of the positioning pipe, a first connection column is fixedly connected in the middle of the rear end face of the fixed connection column, a first limiting clamp is fixedly connected at the top of the rear end of the first connection column, a second connection column is fixedly connected in the middle of the front end face of the fixed connection column, a second limiting clamp is fixedly connected in the middle of the top of the front end of the second connection column, a first connection pipe is rotatably connected at the rear end of the outer wall of the positioning pipe, a first internal thread is arranged at the rear end of the inner wall of the first connection pipe, a connection clamping groove is formed in the front end face of the first connection pipe, a first connection groove is formed in, the utility model discloses a positioning pipe, including locating tube outer wall, second connecting pipe inner wall front end, connecting groove, second connecting pipe rear end connecting groove antetheca, second connecting groove rear end upper wall fixedly connected with second fixing clip limit.
The rear end of the first connecting pipe is in contact connection with a second connecting pipe, the inner wall of the joint of the first connecting pipe and the second connecting pipe is provided with a connecting groove, and a fixed connecting column is slidably connected in the connecting groove.
First spliced pole rotates to be installed in first connecting groove, first spacing card top contact is connected with first connecting groove roof.
The second connecting column is rotatably installed in the second connecting groove, and the top of the second limiting clamp is in contact connection with the top wall of the second connecting groove.
First internal thread front end threaded connection has the connection external screw thread rear end, first connecting pipe rear end extends to the registration arm rear end, first connecting pipe rear end has natural gas line through first internal thread threaded connection.
The rear end of the second internal thread is in threaded connection with the front end of the connecting external thread, the front end of the second connecting pipe extends to the front end of the positioning pipe, and the front end of the second connecting pipe is in threaded connection with a natural gas pipeline through the second internal thread.
The limiting pipe is fixedly arranged in the middle of the inner wall of the positioning pipe, the front end and the rear end of the limiting pipe are fixedly clamped with a natural gas pipeline, and the inner diameter of the limiting pipe is the same as that of the natural gas pipeline.
Compared with the prior art, the beneficial effects of the utility model are that: one of the two, the utility model discloses a first connecting pipe and second connecting pipe carry out threaded connection to natural gas line, can guarantee the compactness of junction, and threaded connection is carried out to the outside simultaneously at both ends, and the leakproofness of connecting is guaranteed to zonulae occludens between screw thread and the screw thread, and inside natural gas pipe is to pegging graft in the registration arm simultaneously, has further guaranteed sealed performance.
And secondly, the utility model discloses a first spliced pole and first connecting pipe cooperation are connected, and second spliced pole and the cooperation of second connecting pipe are connected, and through first spacing card and the limit action on first fixing clip limit, the limit action on the spacing card of second and second fixing clip limit guarantees that first connecting pipe and second connecting pipe can not break away from the registration arm, also can further guarantee the stability of being connected with natural gas line simultaneously.
The present invention will be explained in detail with reference to the drawings and specific embodiments.
Drawings
Fig. 1 is a schematic view of the overall internal structure of the present invention;
fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;
fig. 3 is an enlarged schematic structural view of the utility model at the position B in fig. 1;
FIG. 4 is a schematic view of the connecting device of the present invention;
fig. 5 is a schematic view of the overall structure of the present invention.
In the figure: 1. a first connecting pipe; 2. a first internal thread; 3. a second connecting pipe; 4. a limiting pipe; 5. a second internal thread; 6. a positioning tube; 7. a first limit card; 8. a first connecting groove; 9. a first connecting column; 10. fixing a connecting column; 11. a second connecting column; 12. a second limit card; 13. a second connecting groove; 14. a first fixed clamping edge; 15. a connecting clamping groove; 16. a second fixed clamping edge; 17. and connecting the external thread.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
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 be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive 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, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1-5 heavily, a natural gas pipeline sealing connection device comprises a positioning tube 6, a position-limiting tube 4 is fixedly connected in the middle of the inner wall of the positioning tube 6, an external connection thread 17 is arranged on the outer wall of the positioning tube 6, a fixed connection post 10 is fixedly connected in the middle of the top of the outer wall of the positioning tube 6, a first connection post 9 is fixedly connected in the middle of the rear end surface of the fixed connection post 10, a first position-limiting clip 7 is fixedly connected at the top of the rear end of the first connection post 9, a second connection post 11 is fixedly connected in the middle of the front end surface of the fixed connection post 10, a second position-limiting clip 12 is fixedly connected in the middle of the top of the front end of the second connection post 11, a first connection tube 1 is rotatably connected at the rear end of the outer wall of the positioning tube 6, a first internal thread 2 is arranged at the rear end of the inner wall of, first 8 front end upper wall fixedly connected with first fixing clip limits 14 of first connecting groove, 6 outer wall front ends of registration arm rotate and are connected with second connecting pipe 3, 3 inner wall front ends of second connecting pipe are provided with second internal thread 5, connecting groove 15 has been seted up to 3 rear end faces of second connecting pipe, second spread groove 13 has been seted up to 3 rear end connecting groove 15 antethecas of second connecting pipe, second spread groove 13 rear end upper wall fixedly connected with second fixing clip limits 16.
The rear end of the first connecting pipe 1 is in contact connection with a second connecting pipe 3, a connecting clamping groove 15 is formed in the inner wall of the joint of the first connecting pipe 1 and the second connecting pipe 3, and a fixed connecting column 10 is slidably connected in the connecting clamping groove 15. First spliced pole 9 rotates to be installed in first connecting groove 8, and the contact of first spacing card 7 top is connected with 8 roof of first connecting groove. The second connecting column 11 is rotatably installed in the second connecting groove 13, and the top of the second limiting clamp 12 is in contact connection with the top wall of the second connecting groove 13.
First internal thread 2 front end threaded connection has the connection external screw thread 17 rear end, and 1 rear end of first connecting pipe extends to 6 rear ends of registration arm, and 1 rear end of first connecting pipe has natural gas line through 2 threaded connection of first internal thread. The rear end of the second internal thread 5 is in threaded connection with the front end of the connecting external thread 17, the front end of the second connecting pipe 3 extends to the front end of the positioning pipe 6, and the front end of the second connecting pipe 3 is in threaded connection with a natural gas pipeline through the second internal thread 5. Spacing pipe 4 is fixed to be set up in the middle of 6 inner walls of registration arm, and spacing pipe 4 front and back both ends are fixed the joint and have natural gas line, and spacing 4 internal diameters are the same with the natural gas line internal diameter.
The specific operation mode of the utility model is as follows;
refer to fig. 1, 2;
the device adopts the first internal thread 2 of the first connecting pipe 1 and the second internal thread 5 of the second connecting pipe 3 to carry out threaded connection on the natural gas pipeline, so that the tightness of the connection part can be ensured, the two ends are simultaneously and externally connected by threads, the tightness of the connection is ensured by utilizing the tight connection between the threads, and meanwhile, the internal natural gas pipeline is inserted into the positioning pipe 6, so that the sealing performance is further ensured;
with reference to fig. 1, 3 and 4;
this device is connected through first spliced pole 9 and the cooperation of first connecting pipe 1, and second spliced pole 11 and the cooperation of second connecting pipe 3 are connected, through first spacing card 7 and the 14 limiting displacement in first fixing clip limit, and the limiting displacement in second spacing card 12 and second fixing clip limit 16 guarantees that first connecting pipe 1 and second connecting pipe 3 can not break away from registration arm 6, also can further guarantee the stability of being connected with natural gas line simultaneously.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.
Claims (7)
1. The utility model provides a natural gas line sealing connection device, is including registration arm (6), its characterized in that: the positioning pipe is characterized in that a limiting pipe (4) is fixedly connected in the middle of the inner wall of the positioning pipe (6), a connecting external thread (17) is arranged on the outer wall of the positioning pipe (6), a fixing connecting column (10) is fixedly connected in the middle of the top of the outer wall of the positioning pipe (6), a first connecting column (9) is fixedly connected in the middle of the rear end face of the fixing connecting column (10), a first limiting clamp (7) is fixedly connected at the top of the rear end of the first connecting column (9), a second connecting column (11) is fixedly connected in the middle of the front end face of the fixing connecting column (10), a second limiting clamp (12) is fixedly connected in the middle of the top of the front end of the second connecting column (11), a first connecting pipe (1) is rotatably connected at the rear end of the outer wall of the positioning pipe (6), a first internal thread (2) is arranged at the rear end of, first connecting groove (8) have been seted up to first connecting pipe (1) front end connecting groove (15) rear wall, first fixing clip limit (14) of first connecting groove (8) front end upper wall fixedly connected with, registration pipe (6) outer wall front end is rotated and is connected with second connecting pipe (3), second connecting pipe (3) inner wall front end is provided with second internal thread (5), connecting groove (15) have been seted up to second connecting pipe (3) rear end face, second connecting groove (13) have been seted up to second connecting pipe (3) rear end connecting groove (15) antetheca, second connecting groove (13) rear end upper wall fixedly connected with second fixing clip limit (16).
2. The sealed connection device for natural gas pipelines according to claim 1, characterized in that: first connecting pipe (1) rear end contact is connected with second connecting pipe (3), connecting groove (15) have been seted up to first connecting pipe (1) and second connecting pipe (3) junction inner wall, sliding connection has fixed connection post (10) in connecting groove (15).
3. The sealed connection device for natural gas pipelines according to claim 1, characterized in that: first spliced pole (9) rotate to be installed in first connecting groove (8), first spacing card (7) top contact is connected with first connecting groove (8) roof.
4. The sealed connection device for natural gas pipelines according to claim 1, characterized in that: the second connecting column (11) is rotatably installed in the second connecting groove (13), and the top of the second limiting clamp (12) is in contact connection with the top wall of the second connecting groove (13).
5. The sealed connection device for natural gas pipelines according to claim 1, characterized in that: first internal thread (2) front end threaded connection has connection external screw thread (17) rear end, first connecting pipe (1) rear end extends to registration arm (6) rear end, first connecting pipe (1) rear end has natural gas line through first internal thread (2) threaded connection.
6. The sealed connection device for natural gas pipelines according to claim 1, characterized in that: second internal thread (5) rear end threaded connection has connection external screw thread (17) front end, second connecting pipe (3) front end extends to registration arm (6) front end, second connecting pipe (3) front end has natural gas line through second internal thread (5) threaded connection.
7. The sealed connection device for natural gas pipelines according to claim 1, characterized in that: spacing pipe (4) are fixed to be set up in the middle of locating tube (6) inner wall, both ends fixing clip has natural gas line around spacing pipe (4), spacing pipe (4) internal diameter is the same with the natural gas line internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021483512.5U CN212839887U (en) | 2020-07-24 | 2020-07-24 | Natural gas line sealing connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021483512.5U CN212839887U (en) | 2020-07-24 | 2020-07-24 | Natural gas line sealing connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212839887U true CN212839887U (en) | 2021-03-30 |
Family
ID=75121177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021483512.5U Active CN212839887U (en) | 2020-07-24 | 2020-07-24 | Natural gas line sealing connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212839887U (en) |
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2020
- 2020-07-24 CN CN202021483512.5U patent/CN212839887U/en active Active
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