CN213040013U - Joint formula steel pipe connection structure - Google Patents
Joint formula steel pipe connection structure Download PDFInfo
- Publication number
- CN213040013U CN213040013U CN202021317941.5U CN202021317941U CN213040013U CN 213040013 U CN213040013 U CN 213040013U CN 202021317941 U CN202021317941 U CN 202021317941U CN 213040013 U CN213040013 U CN 213040013U
- Authority
- CN
- China
- Prior art keywords
- butt joint
- pipeline
- sleeve
- threaded
- sealing sleeve
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 14
- 239000010959 steel Substances 0.000 title claims abstract description 14
- 210000001503 joint Anatomy 0.000 claims abstract description 98
- 238000007789 sealing Methods 0.000 claims abstract description 61
- 230000003014 reinforcing effect Effects 0.000 description 2
- 206010023230 Joint stiffness Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
Images
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to a joint type steel pipeline connecting structure, which comprises a first butt joint pipeline and a second butt joint pipeline which are in butt joint, wherein a first thread sleeve is sleeved on the outer side of the first butt joint pipeline and is in threaded connection with the end part of the first butt joint pipeline; a second threaded sleeve is sleeved on the outer side of the second butt joint pipeline and is in threaded connection with the end part of the second butt joint pipeline; be equipped with the butt joint seal cover between first butt joint pipeline and the second butt joint pipeline, all be equipped with outer joint annular and interior joint ring groove on the terminal surface of butt joint seal cover both sides, interior joint ring groove respectively with the tip joint of first butt joint pipeline and second butt joint pipeline, outer joint ring groove respectively with the tip joint of first thread bush and second thread bush forms first sealing through interior joint annular and first butt joint pipeline, second butt joint pipeline, and outer joint annular forms the second with first thread bush, second thread bush and says and seal, has improved the leakproofness that first butt joint pipeline and second butt joint pipeline butt joint greatly.
Description
Technical Field
The utility model belongs to the technical field of the pipe-line machining and specifically relates to a joint formula steel pipe connection structure.
Background
The pipeline butt joint is a problem frequently encountered during pipeline laying, the pipeline butt joint mainly ensures the sealing and fixed connection of two pipelines, the sealing property and the strength of the pipeline connection need to be ensured, the currently common butt joint structure adopts a threaded sleeve to be in threaded connection with the two pipelines, the butt joint structure is generally suitable for butt joint of low-pressure medium pipelines, the problem that the pipelines are washed away or the medium leaks from the sealing part can exist when the medium pressure in the pipelines is slightly increased, the butt joint structure is not suitable for butt joint of the high-pressure medium pipelines, at present, in the field, in order to ensure the sealing performance of the butt joint of the high-medium pipelines, a sealing ring is arranged on the end surface of a threaded sleeve to improve the sealing performance of the butt joint of the high-medium pipelines, but along with weathering and damage of the sealing ring, the butt joint structure's life is not long, and this patent provides a joint formula steel pipe connection structure based on above technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a joint formula steel pipe connection structure in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a clamping type steel pipeline connecting structure comprises two butted pipelines, wherein the two butted pipelines are respectively a first butted pipeline and a second butted pipeline, the end parts of the first butted pipeline and the second butted pipeline are respectively provided with a thread, a first thread sleeve is sleeved on the outer side of the first butted pipeline, the inner wall of the first thread sleeve is provided with an internal thread, the outer wall of the first thread sleeve is provided with an external thread, and the first thread sleeve is in threaded connection with the end part of the first butted pipeline;
a second threaded sleeve is sleeved on the outer side of the second butt joint pipeline, the inner wall of the second threaded sleeve is provided with internal threads, the outer wall of the second threaded sleeve is provided with external threads, and the second threaded sleeve is in threaded connection with the end part of the second butt joint pipeline;
the butt joint sealing sleeve is arranged between the first butt joint pipeline and the second butt joint pipeline, the end faces of two sides of the butt joint sealing sleeve are respectively provided with an outer clamping ring groove and an inner clamping ring groove, the inner clamping ring grooves of two sides of the butt joint sealing sleeve are respectively clamped with the end portions of the first butt joint pipeline and the second butt joint pipeline, and the outer clamping ring grooves of two sides of the butt joint sealing sleeve are respectively clamped with the end portions of the first threaded sleeve and the second threaded sleeve.
Furthermore, an outer side sealing sleeve is sleeved on the outer side of the butt-joint sealing sleeve and provided with internal threads, and the outer side sealing sleeve is meshed with the first threaded sleeve and the second threaded sleeve.
Furthermore, the outer side sealing sleeve and the butt sealing sleeve are arranged in a split mode.
Furthermore, the diameter of the ring where the outer clamping ring groove is located is larger than that of the ring where the inner clamping ring groove is located.
Furthermore, sealing rings are arranged at the openings of the outer clamping ring groove and the inner clamping ring groove.
Further, the central axes of the first threaded sleeve and the second threaded sleeve coincide.
The utility model has the advantages that: when the structure is used, the first thread bushing is in threaded connection with the end part of a first butt joint pipeline, the second thread bushing is in threaded connection with the end part of a second butt joint pipeline, meanwhile, the butt joint sealing sleeve is arranged between the first butt joint pipeline and the second butt joint pipeline, after the first thread bushing and the second thread bushing are screwed down, the inner clamping ring grooves on the two sides of the butt joint sealing sleeve are respectively clamped with the end parts of the first butt joint pipeline and the second butt joint pipeline, the outer clamping ring grooves on the two sides of the butt joint sealing sleeve are respectively clamped with the end parts of the first thread bushing and the second thread bushing, the first seal is formed by the inner clamping ring grooves on the two sides of the butt joint sealing sleeve, the second seal is formed by the outer clamping ring grooves on the two sides of the butt joint sealing sleeve, the first thread bushing and the second thread bushing, the butt joint tightness of the first butt joint pipeline and the second butt joint pipeline is greatly improved, in addition, an outer sealing sleeve is sleeved on the outer side of the butt joint sealing sleeve, the outer sealing sleeve is provided with an internal thread, the outer sealing sleeve is meshed with the first threaded sleeve and the second threaded sleeve, the outer sealing sleeve plays a role in reinforcing the connection strength of the first threaded sleeve, the second threaded sleeve and the butt joint sealing sleeve, and the problem of butt joint loosening cannot be caused under the condition that high-pressure media are conveyed inside the first butt joint pipeline and the second butt joint pipeline.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional view of the docking gland of the present invention.
Detailed Description
As shown in fig. 1 and 2, a clamping type steel pipeline connecting structure comprises two butted pipelines, wherein the two butted pipelines are a first butted pipeline 1 and a second butted pipeline 2 respectively, the end parts of the first butted pipeline 1 and the second butted pipeline 2 are both provided with threads, a first thread bush 3 is sleeved on the outer side of the first butted pipeline 1, the inner wall of the first thread bush 3 is provided with internal threads, the outer wall of the first thread bush 3 is provided with external threads, and the first thread bush 3 is in threaded connection with the end part of the first butted pipeline 1;
a second threaded sleeve 4 is sleeved on the outer side of the second butt joint pipeline 2, an inner wall of the second threaded sleeve 4 is provided with an internal thread, an outer wall of the second threaded sleeve 4 is provided with an external thread, and the second threaded sleeve 4 is in threaded connection with the end part of the second butt joint pipeline 2; the central axes of the first 3 and second 4 threaded sleeves coincide.
A butt joint sealing sleeve 5 is arranged between the first butt joint pipeline 1 and the second butt joint pipeline 2, outer clamping ring grooves 6 and inner clamping ring grooves 7 are arranged on the end faces of two sides of the butt joint sealing sleeve 5, the inner clamping ring grooves 7 of two sides of the butt joint sealing sleeve 5 are respectively clamped with the end portions of the first butt joint pipeline 1 and the second butt joint pipeline 2, and the outer clamping ring grooves 6 of two sides of the butt joint sealing sleeve 5 are respectively clamped with the end portions of the first threaded sleeve 3 and the second threaded sleeve 4.
Further, an outer side sealing sleeve 8 is sleeved on the outer side of the butt-joint sealing sleeve 5, the outer side sealing sleeve 8 is provided with internal threads, and the outer side sealing sleeve 8 is meshed with the first threaded sleeve 3 and the second threaded sleeve 4.
Wherein, outside seal cover 8 and 5 components of a whole that can function independently settings of butt joint seal cover, the diameter of the ring that outer joint annular 6 belongs to is greater than the diameter of the ring that interior joint annular 7 belongs to, in addition, the opening part of outer joint annular 6 and interior joint annular 7 can set up the sealing washer and further improve the leakproofness.
When the structure is used, the first threaded sleeve 3 is in threaded connection with the end part of the first butt joint pipeline 1, the second threaded sleeve 4 is in threaded connection with the end part of the second butt joint pipeline 2, meanwhile, the butt joint sealing sleeve 5 is arranged between the first butt joint pipeline 1 and the second butt joint pipeline 2, after the first threaded sleeve 3 and the second threaded sleeve 4 are screwed down, the inner clamping ring grooves 7 on two sides of the butt joint sealing sleeve 5 are respectively clamped with the end parts of the first butt joint pipeline 1 and the second butt joint pipeline 2, the outer clamping ring grooves 6 on two sides of the butt joint sealing sleeve 5 are respectively clamped with the end parts of the first threaded sleeve 3 and the second threaded sleeve 4, a first seal is formed by the inner clamping ring grooves 7 on two sides of the butt joint sealing sleeve 5 with the first butt joint pipeline 1 and the second butt joint pipeline 2, a second seal is formed by the outer clamping ring grooves 6 on two sides of the butt joint sealing sleeve 5 with the first threaded sleeve 3 and the second threaded sleeve 4, and the sealing performance of butt joint of the first butt joint pipeline 1 and the second butt joint pipeline 2 is greatly improved, in addition, an outer sealing sleeve 8 is sleeved on the outer side of the butt joint sealing sleeve 5, the outer sealing sleeve 8 is provided with internal threads, the outer sealing sleeve 8 is meshed with the first threaded sleeve 3 and the second threaded sleeve 4, the outer sealing sleeve 8 plays a role in reinforcing the connection strength of the first threaded sleeve 3, the second threaded sleeve 4 and the butt joint sealing sleeve 5, and the problem of butt joint loosening cannot be caused under the condition that high-pressure media are conveyed inside the first butt joint pipeline 1 and the second butt joint pipeline 2.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A clamping type steel pipeline connecting structure comprises two butted pipelines which are respectively a first butted pipeline and a second butted pipeline, and is characterized in that the end parts of the first butted pipeline and the second butted pipeline are both provided with threads, a first thread sleeve is sleeved on the outer side of the first butted pipeline, the inner wall of the first thread sleeve is provided with internal threads, the outer wall of the first thread sleeve is provided with external threads, and the first thread sleeve is in threaded connection with the end part of the first butted pipeline;
a second threaded sleeve is sleeved on the outer side of the second butt joint pipeline, the inner wall of the second threaded sleeve is provided with internal threads, the outer wall of the second threaded sleeve is provided with external threads, and the second threaded sleeve is in threaded connection with the end part of the second butt joint pipeline;
the butt joint sealing sleeve is arranged between the first butt joint pipeline and the second butt joint pipeline, the end faces of two sides of the butt joint sealing sleeve are respectively provided with an outer clamping ring groove and an inner clamping ring groove, the inner clamping ring grooves of two sides of the butt joint sealing sleeve are respectively clamped with the end portions of the first butt joint pipeline and the second butt joint pipeline, and the outer clamping ring grooves of two sides of the butt joint sealing sleeve are respectively clamped with the end portions of the first threaded sleeve and the second threaded sleeve.
2. The clamping type steel pipe connecting structure according to claim 1, wherein an outer side sealing sleeve is sleeved on the outer side of the butt sealing sleeve, the outer side sealing sleeve is provided with internal threads, and the outer side sealing sleeve is meshed with the first threaded sleeve and the second threaded sleeve.
3. The clamping type steel pipeline connecting structure according to claim 2, wherein the outer side sealing sleeve and the butt sealing sleeve are arranged in a split manner.
4. The clip-type steel pipe connection structure according to claim 2, wherein the diameter of the ring in which the outer clip ring groove is formed is larger than the diameter of the ring in which the inner clip ring groove is formed.
5. The clamping type steel pipeline connecting structure as claimed in claim 2, wherein sealing rings are arranged at the openings of the outer clamping ring groove and the inner clamping ring groove.
6. The clip-type steel pipe connection according to claim 2, wherein the first and second threaded sleeves have center axes coincident with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021317941.5U CN213040013U (en) | 2020-07-07 | 2020-07-07 | Joint formula steel pipe connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021317941.5U CN213040013U (en) | 2020-07-07 | 2020-07-07 | Joint formula steel pipe connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213040013U true CN213040013U (en) | 2021-04-23 |
Family
ID=75524777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021317941.5U Expired - Fee Related CN213040013U (en) | 2020-07-07 | 2020-07-07 | Joint formula steel pipe connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213040013U (en) |
-
2020
- 2020-07-07 CN CN202021317941.5U patent/CN213040013U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216590386U (en) | Sealing joint structure free of steel pipe welding | |
| CN213040013U (en) | Joint formula steel pipe connection structure | |
| CN213332922U (en) | Three-shoulder anti-thread gluing pipe body airtight connection sealing sleeve | |
| CN210122931U (en) | Exhaust manifold connection structure | |
| CN204459561U (en) | The effective joint of a kind of non-adhesive flexible compound | |
| CN215172981U (en) | Clamp type sealing pipe joint | |
| CN210890471U (en) | Detachable connecting pipe fitting | |
| CN212004658U (en) | T-shaped double-sealing double-receiving-head structure for rolling large-diameter steel pipe | |
| CN210318912U (en) | Can realize sealed stand pipe of high strength | |
| CN213040019U (en) | Pipeline connecting and sealing device for conveying fluid | |
| CN218543481U (en) | Butt-joint type water heating pipeline | |
| CN211116219U (en) | Expansion joint for exhaust pipe of diesel engine | |
| CN201237047Y (en) | Metal connector of high-pressure rubber hose | |
| CN210462011U (en) | High pressure resistant three way connection | |
| CN106523814B (en) | A kind of bite type connection enlarging formula steel pipe pipe fitting | |
| CN217356026U (en) | Flexible connection structure with different end calibers | |
| CN220749333U (en) | Quick connection valve and connection structure thereof | |
| CN213776758U (en) | Compression sealing device for pipeline connection | |
| CN216923526U (en) | Steel pipe washs with quick installation transition joint | |
| CN214146905U (en) | Novel locking hydraulic pressure coupling | |
| CN219221547U (en) | Marine pipeline port connection structure | |
| CN216952071U (en) | Dual-reinforcement positioning hydraulic pipe fitting joint | |
| CN215293987U (en) | Quick and easy joint structure | |
| CN220268693U (en) | Pipeline connecting device for automobile | |
| CN213206907U (en) | All-metal pneumatic quick-insertion three-way connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210423 |