CN217153358U - Low pressure is joint connection structure for petrochemical industry pipeline - Google Patents
Low pressure is joint connection structure for petrochemical industry pipeline Download PDFInfo
- Publication number
- CN217153358U CN217153358U CN202122466861.7U CN202122466861U CN217153358U CN 217153358 U CN217153358 U CN 217153358U CN 202122466861 U CN202122466861 U CN 202122466861U CN 217153358 U CN217153358 U CN 217153358U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- pipe
- limiting
- low pressure
- gaskets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a low pressure is joint connection structure for petrochemical industry pipeline, include: two spacing rings, two spacing rings set up respectively in first pipeline and second pipeline each other near the periphery of end, the sealed tube include the inner tube and with the outer tube, the outer tube is established on the inner tube with one heart cover and is connected through connecting portion and inner tube, peg graft in first pipeline and second pipeline at the both ends of inner tube, the both ends cover of outer tube is established on first pipeline and second pipeline, two connecting pipes are established respectively on two spacing rings, this connection structure passes through sealed tube cooperation spacing ring, the connecting pipe makes first pipeline and second pipeline zonulae occludens, it is spacing through the spacing ring during sealed tube and connecting pipe threaded connection, follow the inside and outside both sides fixed connection of first pipeline and second pipeline through inner tube and outer tube, improve the stability of integral connection.
Description
Technical Field
The utility model belongs to the technical field of the pipe joint, more specifically relates to a low pressure is joint connection structure for petrochemical industry pipeline.
Background
In the process of erecting the low-pressure petrochemical pipelines, because the distance for laying the pipelines is long and the pipelines are required to turn at different angles in the connection process, the connection points of the whole pipeline are increased, and in the connection process, the connection modes of welding connection, threaded structure connection and flange structure connection are generally adopted; the welding connection mode is simple and quick, but the connection is not detachable. Present most sealed double joint, there is the oil leak of low pressure petrochemical industry pipeline mostly in long-time use, influences the ecology on earth's surface, most sealing joint, long-time use probably causes sealing joint to drop, leads to the low pressure petrochemical industry to leak, and the sealing washer can deviate from original position under the long-time impact of low pressure petrochemical industry simultaneously, leads to the sealing washer to lose original function, influences sealing joint's closure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low pressure is joint connection structure for petrochemical industry pipeline, this connection structure pass through sealed tube cooperation spacing ring, connecting pipe and make first pipeline and second pipeline zonulae occludens, and it is spacing through the spacing ring during sealed tube and connecting pipe threaded connection, through the inside and outside both sides fixed connection of inner tube and outer tube follow first pipeline and second pipeline, improve the stability of monolithic connection.
In order to achieve the above object, the utility model provides a low pressure is joint connection structure for petrochemical industry pipeline, include:
the two limiting rings are respectively arranged on the peripheries of the first pipeline and the second pipeline close to each other;
the sealing pipe comprises an inner pipe and an outer pipe, the outer pipe is concentrically sleeved on the inner pipe and is connected with the inner pipe through a connecting part, two ends of the inner pipe are inserted into the first pipeline and the second pipeline, two ends of the outer pipe are sleeved on the first pipeline and the second pipeline, and two ends of the outer pipe are provided with external threads;
the connecting pipes are respectively sleeved on the two limiting rings, internal threads matched with the external threads are arranged on the inner wall of one end of each connecting pipe, and a limiting part interfering with the limiting rings is arranged at the other end of each connecting pipe.
Optionally, a limiting structure is arranged between the limiting ring and the connecting pipe, the limiting structure comprises a limiting hole arranged on the limiting ring and a mounting hole arranged on the limiting portion, a compression spring is arranged in the mounting hole, one end of the compression spring is connected with the bottom wall of the mounting hole, and a ball matched with the limiting hole is rotatably arranged at the other end of the compression spring.
Optionally, the limiting part is annular, and the inner diameter of the limiting part is larger than the outer diameters of the first pipeline and the second pipeline.
Optionally, the pipe fitting further comprises two first gaskets, the two first gaskets are sleeved on the inner pipe, one first gasket is located between the connecting portion and the first pipeline, and the other first gasket is located between the connecting portion and the second pipeline.
Optionally, the pipe fitting further comprises two second gaskets, the two second gaskets are respectively sleeved on the first pipe and the second pipe, one of the second gaskets is located between the outer pipe and the limiting ring on the first pipe, and the other of the second gaskets is located between the outer pipe and the limiting ring on the second pipe.
Optionally, the outer diameter of the second gasket is not greater than the inner diameter of the connecting pipe.
Optionally, both ends of the inner tube are provided with inner chamfers.
Optionally, both ends of the inner tube do not protrude out of the interior of the outer tube.
Optionally, the limiting hole is provided with a plurality of limiting holes which are uniformly distributed in the axial direction of the limiting ring.
Optionally, the number of the mounting holes is the same as the number of the limiting holes
The utility model provides a low pressure is joint connection structure for petrochemical industry pipeline, its beneficial effect lies in:
1. this connection structure makes first pipeline and second pipeline zonulae occludens through sealed tube cooperation spacing ring, connecting pipe, and it is spacing through the spacing ring during sealed tube and connecting pipe threaded connection, through the inside and outside both sides fixed connection of inner tube and outer tube follow first pipeline and second pipeline, improves the stability of monolithic connection.
2. Avoid connection structure not hard up because of vibrations through limit structure, improve the leakproofness, through the dual leakproofness that improves of first gasket and second gasket simultaneously, avoid revealing the pollution soil.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 is a schematic structural view illustrating a coupling structure for a low pressure petrochemical pipeline according to an embodiment of the present invention.
Fig. 2 is an enlarged view of fig. 1 a illustrating a coupling structure for a low pressure petrochemical pipeline according to an embodiment of the present invention.
Fig. 3 is a front view illustrating a coupling structure for a low pressure petrochemical pipeline according to an embodiment of the present invention.
Fig. 4 is an isometric view illustrating a coupling joint structure for a low pressure petrochemical pipeline according to an embodiment of the present invention.
Description of reference numerals:
1.1 a first conduit; 1.2, a second pipeline; 2. a limiting ring; 3. a limiting hole; 4. a connecting pipe; 5. mounting holes; 6. a compression spring; 7. a ball bearing; 8. a sealing tube; 9. a first gasket; 10. a second gasket.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Fig. 1 is a schematic structural view illustrating a coupling structure for a low pressure petrochemical pipeline according to an embodiment of the present invention; fig. 2 is an enlarged view of fig. 1 a showing a coupling structure for a low pressure petrochemical pipeline according to an embodiment of the present invention; fig. 3 illustrates a front view of a coupling structure for a low pressure petrochemical pipeline according to an embodiment of the present invention; fig. 4 is an isometric view illustrating a coupling joint structure for a low pressure petrochemical pipeline according to an embodiment of the present invention.
As shown in fig. 1 to 4, a coupling structure for a low pressure petrochemical pipeline includes:
the two limiting rings 2 are respectively arranged on the peripheries of the first pipeline 1.1 and the second pipeline 1.2 close to the near ends;
the sealing pipe 8 comprises an inner pipe and an outer pipe, the outer pipe is concentrically sleeved on the inner pipe and is connected with the inner pipe through a connecting part, two ends of the inner pipe are inserted into the first pipeline 1.1 and the second pipeline 1.2, two ends of the outer pipe are sleeved on the first pipeline 1.1 and the second pipeline 1.2, and two ends of the outer pipe are provided with external threads;
two connecting pipes 4, two connecting pipes 4 overlap respectively and are established on two spacing rings 2, and the inner wall of the one end of connecting pipe 4 is provided with the internal thread with external screw thread matched with, and the other end of connecting pipe 4 is provided with the spacing portion of interfering with the spacing ring.
Specifically, spacing ring 2 welds in the periphery of first pipeline 1.1 and second pipeline 1.2, the external diameter of spacing ring 2 is not more than the internal diameter of connecting pipe 4, position through spacing ring 2 restriction sealing tube 8, first pipeline 1.1 and second pipeline 1.2 are connected to sealing tube 8, through outer tube and inner tube from first pipeline 1.1 and second pipeline 1.2's the dual sealing connection of inside and outside both sides first pipeline 1.1 and second pipeline 1.2, the inner tube is from the inside fit outer tube restriction first pipeline 1.1 and second pipeline 1.2 of first pipeline 1.1 and second pipeline 1.2 simultaneously, improve connection stability, reduce the shake clearance, reduce the risk of revealing, first pipeline 1.1 and second pipeline 1.2 are connected with sealing tube 8 through connecting pipe 4, connecting pipe 4 passes through the cooperation fastening sealing tube 8 of internal thread and external screw thread.
Further, when the pipe diameters of the first pipeline 1.1 and the second pipeline 1.2 are different, the pipe diameters can be changed through the connecting part, and the pipe diameters are different.
Furthermore, first pipeline 1.1 and second pipeline 1.2 are close to each other the end and are provided with the variable diameter portion, the internal diameter of variable diameter portion is greater than the internal diameter of first pipeline 1.1 and second pipeline 1.2, spacing ring 2 sets up on the periphery of variable diameter portion, the internal diameter of inner tube is the same with the internal diameter of first pipeline 1.1 and second pipeline 1.2, through the wall thickness of variable diameter portion compensation inner tube, avoid first pipeline 1.1 and second pipeline 1.2 to lead to the pipe network internal diameter to diminish because of the seal pipe 8 is connected, internal pressure risees.
In this embodiment, be provided with limit structure between spacing ring 2 and the connecting pipe 4, limit structure is provided with compression spring 6 including setting up spacing hole 3 on spacing ring 2 and setting up mounting hole 5 in spacing portion in the mounting hole 5, and compression spring 6's one end is connected with the diapire of mounting hole 5, and compression spring 6's the other end rotates and is provided with and spacing hole 3 assorted ball 7.
It is specific, avoid sealed tube 8 antiport not hard up through limit structure, after sealed tube 8 and connecting pipe 4 are connected to target in place, spacing hole 3 is hugged closely through compression spring 6 compression to ball 7, prevents sealed tube 8 antiport, avoids daily liquid flow vibrations not hard up connection.
In this embodiment, the limiting portion is annular, and the inner diameter of the limiting portion is the outer diameter of the first pipe 1.1 and the second pipe 1.2.
In this embodiment, the pipe further includes two first gaskets 9, the two first gaskets 9 are sleeved on the inner pipe, one first gasket 9 is located between the connecting portion and the first pipe 1.1, and the other first gasket 9 is located between the connecting portion and the second pipe 1.2.
Specifically, the first gasket 9 seals the gaps at the joints of the first pipeline 1.1, the second pipeline 1.2 and the sealing pipe 8, so that leakage is reduced.
In this embodiment, the pipe joint further includes two second gaskets 10, the two second gaskets 10 are respectively sleeved in the first pipe 1.1 and on the second pipe 1.2, one second gasket 10 is located between the outer pipe and the limiting ring on the first pipe 1.1, and the other second gasket 10 is located between the outer pipe and the limiting ring on the second pipe 1.2.
In the present embodiment, the outer diameter of the second gasket 10 is not larger than the inner diameter of the connection pipe 4.
In particular, the double sealing by the second gasket 10 reduces the risk of leakage.
In this embodiment, the inner tube is provided with inner chamfers at both ends.
Specifically, the impact and friction on the seal tube 8 when the liquid flows are relieved by the chamfer.
In this embodiment, both ends of the inner tube do not protrude inside the outer tube.
In this embodiment, the limiting holes 3 are provided in a plurality, and the plurality of limiting holes 3 are uniformly distributed in the axial direction of the limiting ring 2.
In the present embodiment, the number of the mounting holes 5 is the same as the number of the stopper holes 3.
The utility model provides a joint connection structure is when using, use the equipment as an example, install first gasket 9 and second gasket 10 earlier, be connected first pipeline 1.1 and second pipeline 1.2 with sealed tube 8 afterwards, through internal thread and external screw thread connection sealed tube 8 and connecting pipe 4, make first pipeline 1.1 and second pipeline 1.2 extrude fastening sealed tube 8 from both ends, through the double-seal connection clearance of first gasket 9 and second gasket 10, reach the effect of the first pipeline 1.1 of zonulae occludens and second pipeline 1.2, spacing hole 3 is hugged closely through compression spring 6 compression to ball 7 simultaneously, prevent sealed tube 8 antiport, avoid daily liquid flow vibrations not hard up connection, can disassemble through the antiport during the maintenance, can repeatedly use after disassembling.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. The utility model provides a low pressure is joint connection structure for petrochemical industry pipeline which characterized in that includes:
the two limiting rings are respectively arranged on the peripheries of the first pipeline and the second pipeline close to each other;
the sealing pipe comprises an inner pipe and an outer pipe, the outer pipe is concentrically sleeved on the inner pipe and is connected with the inner pipe through a connecting part, two ends of the inner pipe are inserted into the first pipeline and the second pipeline, two ends of the outer pipe are sleeved on the first pipeline and the second pipeline, and two ends of the outer pipe are provided with external threads;
the connecting pipes are respectively sleeved on the two limiting rings, internal threads matched with the external threads are arranged on the inner wall of one end of each connecting pipe, and a limiting part interfering with the limiting rings is arranged at the other end of each connecting pipe.
2. The joint connecting structure for the low-pressure petrochemical pipeline according to claim 1, wherein a limiting structure is arranged between the limiting ring and the connecting pipe, the limiting structure comprises a limiting hole arranged on the limiting ring and a mounting hole arranged on the limiting portion, a compression spring is arranged in the mounting hole, one end of the compression spring is connected with the bottom wall of the mounting hole, and a ball matched with the limiting hole is rotatably arranged at the other end of the compression spring.
3. The joint connection structure for the low-pressure petrochemical pipeline according to claim 2, wherein the limiting portion is annular, and an inner diameter of the limiting portion is larger than outer diameters of the first pipeline and the second pipeline.
4. The joint connecting structure for the low-pressure petrochemical pipeline according to claim 1, further comprising two first gaskets, wherein the two first gaskets are sleeved on the inner pipe, one first gasket is located between the connecting portion and the first pipeline, and the other first gasket is located between the connecting portion and the second pipeline.
5. The joint connecting structure for the low-pressure petrochemical pipeline according to claim 1, further comprising two second gaskets, wherein the two second gaskets are respectively sleeved on the first pipeline and the second pipeline, one of the second gaskets is located between the outer pipe and the limiting ring on the first pipeline, and the other of the second gaskets is located between the outer pipe and the limiting ring on the second pipeline.
6. The coupling structure for a low pressure petrochemical pipeline according to claim 5, wherein the second gasket has an outer diameter not greater than an inner diameter of the connection pipe.
7. The joint connection structure for the low pressure petrochemical pipeline according to claim 1, wherein inner chamfers are provided at both ends of the inner pipe.
8. The coupling structure for a low pressure petrochemical pipeline according to claim 1, wherein both ends of the inner pipe do not protrude from the inside of the outer pipe.
9. The joint connecting structure for the low-pressure petrochemical pipeline according to claim 2, wherein the limiting holes are formed in multiple numbers, and the multiple limiting holes are uniformly distributed in the axial direction of the limiting ring.
10. The joint connection structure for the low pressure petrochemical pipeline according to claim 9, wherein the number of the installation holes is the same as the number of the limiting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122466861.7U CN217153358U (en) | 2021-10-13 | 2021-10-13 | Low pressure is joint connection structure for petrochemical industry pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122466861.7U CN217153358U (en) | 2021-10-13 | 2021-10-13 | Low pressure is joint connection structure for petrochemical industry pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217153358U true CN217153358U (en) | 2022-08-09 |
Family
ID=82659184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122466861.7U Active CN217153358U (en) | 2021-10-13 | 2021-10-13 | Low pressure is joint connection structure for petrochemical industry pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217153358U (en) |
-
2021
- 2021-10-13 CN CN202122466861.7U patent/CN217153358U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5040828A (en) | Tapping sleeve | |
| US5174615A (en) | Mechanical joint connector and joint employing said connector | |
| US3423111A (en) | Plain end pipe joint | |
| CN208859146U (en) | A kind of crossover flange with neck containing sealing structure | |
| US5374087A (en) | Tapping sleeve | |
| CN201635091U (en) | Sealing structure of plastic inspection well and spigot of dual-wall corrugated tube | |
| CN216923529U (en) | Self sealss pipeline sealing washer structure | |
| CN217153358U (en) | Low pressure is joint connection structure for petrochemical industry pipeline | |
| CN204785169U (en) | Pipeline connecting structure | |
| CN105840931A (en) | Flexible connector for British standard pipe of low-pressure fluid conveying system | |
| CN105465521A (en) | Corrugated metal hose quick coupler for gas transmission | |
| CN204141117U (en) | Fuel gas transmission stainless steel corrugated flexible hose leads directly to pipe fitting | |
| CN205745850U (en) | A kind of pipe fitting plug part | |
| CN214947062U (en) | Double-thread connection round steel pipe | |
| CN210106816U (en) | Reducing water pipe joint | |
| CN1227470C (en) | Small flange connection fittings for high pressure stainless steel tube | |
| CN205298897U (en) | Weld flange | |
| CN210179141U (en) | Gas pipeline butt joint fixing device | |
| CN219692566U (en) | Pipeline connection structure | |
| CN211550835U (en) | Seamless steel pipe connecting device | |
| CN218914185U (en) | Special film for pipeline leakage stoppage | |
| CN215674092U (en) | Novel reducing flange connecting pipe | |
| CN217559261U (en) | Double-movable joint pipeline sealing structure | |
| CN218094761U (en) | Pipeline connecting piece with good sealing effect | |
| CN209724446U (en) | A kind of rebreather of engine convenient for connection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |