CN213871532U - Petroleum transportation pipeline sealing joint - Google Patents
Petroleum transportation pipeline sealing joint Download PDFInfo
- Publication number
- CN213871532U CN213871532U CN202022817828.XU CN202022817828U CN213871532U CN 213871532 U CN213871532 U CN 213871532U CN 202022817828 U CN202022817828 U CN 202022817828U CN 213871532 U CN213871532 U CN 213871532U
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- Prior art keywords
- pipe
- sealing
- expansion ring
- fixedly connected
- gear
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 65
- 239000003208 petroleum Substances 0.000 title claims abstract description 16
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model is suitable for the technical field of pipeline transportation, and provides a petroleum transportation pipeline sealing joint, which comprises a connecting pipe, a sealing pipe, an annular clamping plate, a connector, an expansion ring, an engagement groove, a rotating shaft, a gear and a sliding sleeve, wherein the number of the connecting pipe is two, the sealing pipe is fixedly connected to one end of the connecting pipe, the annular clamping plate is fixedly connected to one end of the connecting pipe far away from the sealing pipe, when in use, the sealing pipe is inserted into the conveying pipeline, then the rotating shaft is screwed, the gear is driven to rotate through the rotation of the rotating shaft, because the gear is engaged with the engagement groove arranged at the two ends of the expansion ring, when the gear rotates, the two ends of the expansion ring are driven to reversely slide to increase the inner diameter of the expansion ring, the sealing pipe is extruded to be tightly attached to the inner wall of the conveying pipeline, petroleum leakage is prevented, then the two connecting pipes are aligned, the annular clamping plate fixedly connected to the connecting pipe is inserted into the clamping groove to seal the connecting part again, the sealing performance of the pipeline joint is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of the pipeline transportation, especially, relate to a petroleum transportation pipeline sealing joint.
Background
A pipe sealing joint is a coupling device used to join two separate pipes together to form a long transport pipe.
The traditional pipeline generally adopts a welding or screwing process during connection, and the pipeline for transporting oil generally has a long service life, so that the joint of the pipeline is easy to leak, the oil leaks, and great economic loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a petroleum transportation pipeline sealing joint aims at solving the technique that traditional pipeline generally adopted welding or spiro union when connecting, because the pipeline of transportation oil generally has a long service life, leads to the easy production of pipe connection department to leak, leads to the oil to leak, causes great economic loss's problem.
The utility model is realized in such a way that the sealing joint for the petroleum transportation pipeline comprises a connecting pipe, a sealing pipe, an annular clamping plate, a connecting head, an expansion ring, an engagement groove, a rotating shaft, a gear and a sliding sleeve, the sealing tube is fixedly connected with the side wall of the connecting tube, one end of the connecting tube far away from the sealing tube is provided with a clamping groove, the size of the inner cavity of the clamping groove is matched with the size of the annular clamping plate, the annular clamping plate is fixedly connected to the side wall of the connecting pipe, the connectors are fixedly connected with the two sides of the outer surface of the connecting pipe, the expansion ring is positioned in the sealing pipe, both ends of the expansion ring are in sliding connection with the sliding sleeve, one side of the expansion ring opposite to both ends is provided with an engaging groove, the gear is positioned between the meshing grooves and is in meshing connection with the meshing grooves, and the rotating shaft is fixedly connected to the gear.
Preferably, the connecting pipes are of a circular ring-shaped structure, the number of the connecting pipes is two, the clamping groove is formed in the outer side of one of the connecting pipes, and the annular clamping plate is fixedly connected to the other connecting pipe.
Preferably, the sealing tube is of a circular tubular structure, the diameter of the sealing tube is equal to the inner diameter of the connecting tube, and one end of the sealing tube penetrates through the connecting tube and is fixedly connected with the inner wall of the connecting tube.
Preferably, two equal fixedly connected with connector in connecting pipe both sides, circular through-hole has been seted up to the centre of connector, the inside threaded rod that is equipped with of circular through-hole.
Preferably, the outer surface of the threaded rod is provided with external threads, and the threaded rod penetrates through the two connectors fixedly connected to the connecting pipes and is in threaded connection with the nuts.
Preferably, the expansion ring is annular, and both ends of the expansion ring penetrate through the inside of the sliding sleeve and are connected with the inner wall of the sliding sleeve in a sliding manner.
Preferably, the size of the meshing groove formed in the expansion ring is matched with the size of the gear teeth on the gear.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a petroleum transportation pipeline sealing joint, which is provided with two connecting pipes, a sealing pipe, an annular clamping plate, an expansion ring, a gear and a rotating shaft, wherein the sealing pipe is fixedly connected with one end of the connecting pipe, the annular clamping plate is fixedly connected with one end of the connecting pipe far away from the sealing pipe, the sealing tube is plugged into the conveying pipeline, then the rotating shaft is screwed, the gear is driven to rotate through the rotation of the rotating shaft, because the gear is meshed and connected with the meshing grooves arranged at the two ends of the expansion ring, when the gear rotates, the two ends of the expansion ring are driven to reversely slide so as to increase the inner diameter of the expansion ring, the sealing pipe is extruded to enable the sealing pipe to be tightly attached to the inner wall of the conveying pipeline, and the oil is prevented from leaking, then align two connecting pipes, insert the annular cardboard on fixed connection on the connecting pipe inside the draw-in groove and seal the junction once more, improved the sealing performance of pipeline junction greatly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a connecting pipe structure of the present invention;
FIG. 3 is a schematic view of the connection structure of the expansion ring of the present invention;
in the figure: 11. a connecting pipe; 12. a sealing tube; 13. a card slot; 14. an annular clamping plate; 15. a connector; 16. A threaded rod; 17. a nut; 18. an expansion ring; 19. an engagement groove; 20. a rotating shaft; 21. a gear; 22. and (4) a sliding sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a petroleum transportation pipeline sealing joint, including connecting pipe 11, sealed tube 12, annular cardboard 14, connector 15, expansion ring 18, meshing groove 19, pivot 20, gear 21 and sliding sleeve 22, sealed tube 12 and connecting pipe 11 gain lateral wall fixed connection, connecting pipe 11 is kept away from sealed tube 12 and is got one end and seted up draw-in groove 13, the inner chamber size and the 14 size looks adaptations of annular cardboard of draw-in groove 13, annular cardboard 14 fixed connection is on the lateral wall of connecting pipe 11, connector 15 fixed connection is in the both sides of connecting pipe 11 surface, expansion ring 18 is located inside sealed tube 12, expansion ring 18's both ends all with sliding sleeve 22 sliding connection, meshing groove 19 has been seted up to the relative one side in expansion ring 18 both ends, gear 21 is located between the meshing groove 19, and be connected with meshing groove 19 meshing, pivot 20 fixed connection is on gear 21.
In this embodiment, during use, the sealing pipes 12 at two ends of the two connecting pipes 11 are plugged into the conveying pipeline, then the rotating shaft 20 on the sliding sleeve 22 inside the sealing pipe 12 is screwed, the rotating shaft 20 rotates to drive the gear 21 to rotate, because the gear 21 is meshed with the meshing grooves 19 formed at two ends of the expansion ring 18, when the gear 21 rotates, two ends of the expansion ring 18 are driven to reversely slide, so that the inner diameter of the expansion ring 18 is increased, the sealing pipe 12 is squeezed, the sealing pipe 12 is tightly attached to the inner wall of the conveying pipeline, oil leakage is prevented, then the two connecting pipes 11 are aligned, the annular clamping plates 14 fixedly connected to the connecting pipes 11 are inserted into the clamping grooves 13, the nuts 17 are screwed on the threaded rods 16, and the nuts 17 are screwed until the two connecting pipes 11 are completely attached.
In this embodiment, the number of the connecting pipes 11 is two, one end of each of the two connecting pipes 11 away from each other is fixedly connected with a sealing pipe 12, one end of one of the connecting pipes 11 away from the sealing pipe 12 is provided with a clamping groove 13, one end of the other connecting pipe 11 away from the sealing pipe 12 is fixedly connected with an annular clamping plate 14, the number of the connecting heads 15 is multiple, the connecting heads 15 are respectively and fixedly connected to the side walls of the two sides of the connecting pipe 11, a circular through hole is formed in the middle of the connecting head 15, a threaded rod 16 penetrates through the circular through hole and is slidably connected with the connecting head 15, the expansion ring 18 is annular, both ends of the expansion ring 18 are inserted into the sliding sleeve 22, and one side of the expansion ring 18 adjacent to both ends is provided with an engaging groove 19, the engaging groove 19 is engaged with the teeth of the gear 21, the bottom of the rotating shaft 20 is fixedly connected with the gear 21, and the top of the rotating shaft 20 penetrates through the sliding sleeve 22, when the device is used, the sealing pipes 12 at two ends of the two connecting pipes 11 are plugged into a conveying pipeline, then the rotating shaft 20 on the sliding sleeve 22 in the sealing pipe 12 is screwed, the rotating shaft 20 rotates to drive the gear 21 to rotate, the gear 21 is meshed with the meshing grooves 19 formed at two ends of the expansion ring 18, when the gear 21 rotates, two ends of the expansion ring 18 are driven to reversely slide, the inner diameter of the expansion ring 18 is increased, the sealing pipe 12 is extruded, the sealing pipe 12 is tightly attached to the inner wall of the conveying pipeline to prevent oil from leaking, then the two connecting pipes 11 are aligned, the annular clamping plates 14 fixedly connected to the connecting pipes 11 are inserted into the clamping grooves 13, the nuts 17 are screwed on the threaded rods 16, the nuts 17 are screwed until the two connecting pipes 11 are completely attached, the connection work can be completed, and the sealing pipe 12 is tightly connected with the inner wall of the conveying pipeline by arranging the expansion ring 18, and the joint is sealed again through the annular clamping plate 14, so that the sealing performance of the pipeline connection is greatly improved.
Furthermore, the connecting pipes 11 are of a circular ring-shaped structure, the number of the connecting pipes 11 is two, the clamping groove 13 is formed in the outer side of one of the connecting pipes 11, and the circular clamping plate 14 is fixedly connected to the other connecting pipe 11.
In the present embodiment, two connection pipes 11 are provided for connecting two transmission pipes from both ends of the two transmission pipes, the locking groove 13 is opened on the outer side of one of the connection pipes 11, and the ring clamp 14 is fixedly connected to the other connection pipe 11, so that the two connection pipes 11 can be connected and sealed by the locking groove 13 and the ring clamp 14, thereby preventing oil leakage.
Further, the sealing tube 12 is a circular tube structure, the diameter of the sealing tube 12 is equal to the inner diameter of the connecting tube 11, and one end of the sealing tube 12 penetrates through the connecting tube 11 and is fixedly connected with the inner wall of the connecting tube 11.
In this embodiment, the diameter of the sealing tube 12 is equal to the inner diameter of the connecting tube 11, so that the sealing tube 12 can be tightly attached to the inner wall of the conveying pipeline, one end of the sealing tube 12 penetrates through the connecting tube 11 and is fixedly connected with the inner wall of the connecting tube 11, and oil is prevented from leaking out of the connection.
Further, two equal fixedly connected with connectors 15 in two connecting pipes 11 both sides, seted up circular through-hole in the middle of connector 15, circular through-hole inside is equipped with threaded rod 16.
In this embodiment, the connecting head 15 is provided on the connecting pipe 11, and a circular through hole is opened in the middle of the connecting head 15, so that the threaded rod 16 can penetrate through the circular through hole, and the two connecting heads 15 are connected together, thereby connecting the two connecting pipes 11 together.
Furthermore, the outer surface of the threaded rod 16 is provided with external threads, and the threaded rod 16 penetrates through the connectors 15 fixedly connected to the two connecting pipes 11 and is in threaded connection with the nuts 17.
In the present embodiment, the outer surface of the threaded rod 16 is provided with external threads, and the threaded rod 16 penetrates through the connecting heads 15 fixedly connected to the two connecting pipes 11 and is screwed with the nuts 17 for connecting the two connecting pipes 11 together through the threaded rod 16 and the nuts 17.
Furthermore, the expansion ring 18 is annular, and both ends of the expansion ring 18 penetrate through the inside of the sliding sleeve 22 and are connected with the inner wall of the sliding sleeve 22 in a sliding manner.
In the present embodiment, the expansion ring 18 is provided for compressing the inside of the sealing tube 12, so that the sealing tube 12 is more tightly attached to the inner wall of the conveying pipeline, and the oil leakage is avoided.
Furthermore, the size of the meshing groove 19 formed in the expansion ring 18 is matched with the size of the gear teeth on the gear 21.
In this embodiment, the size of the meshing groove 19 formed in the expansion ring 18 is matched with the size of the gear teeth on the gear 21, so that the gear 21 can drive the two ends of the expansion ring 18 to move in opposite directions in the rotating process, the diameter of the expansion ring 18 is increased, and the sealing tube 12 is pressed to be tightly attached to the inner wall of the conveying pipeline.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a petroleum transportation pipeline sealing joint, includes connecting pipe (11), sealed tube (12), annular cardboard (14), connector (15), expansion ring (18), meshing groove (19), pivot (20), gear (21) and sliding sleeve (22), its characterized in that: the sealing tube (12) is fixedly connected with the side wall of the connecting tube (11), a clamping groove (13) is arranged at one end of the connecting tube (11) far away from the sealing tube (12), the size of the inner cavity of the clamping groove (13) is matched with the size of the annular clamping plate (14), the annular clamping plate (14) is fixedly connected to the side wall of the connecting pipe (11), the connectors (15) are fixedly connected with the two sides of the outer surface of the connecting pipe (11), the expansion ring (18) is positioned in the sealing tube (12), both ends of the expansion ring (18) are connected with the sliding sleeve (22) in a sliding way, meshing grooves (19) are formed in the opposite sides of the two ends of the expansion ring (18), the gear (21) is located between the meshing grooves (19), and is engaged with the engaging groove (19), and the rotating shaft (20) is fixedly connected to the gear (21).
2. A petroleum transportation pipe sealing joint as defined in claim 1, wherein: the connecting pipes (11) are of circular ring-shaped structures, the number of the connecting pipes (11) is two, the clamping groove (13) is formed in the outer side of one of the connecting pipes (11), and the annular clamping plate (14) is fixedly connected to the other connecting pipe (11).
3. A petroleum transportation pipe sealing joint as defined in claim 1, wherein: the sealing pipe (12) is of a circular tubular structure, the diameter of the sealing pipe (12) is equal to the inner diameter of the connecting pipe (11), and one end of the sealing pipe (12) penetrates through the connecting pipe (11) and is fixedly connected with the inner wall of the connecting pipe (11).
4. A petroleum transportation pipe sealing joint as defined in claim 2, wherein: two equal fixedly connected with connector (15) in connecting pipe (11) both sides, circular through-hole has been seted up to the centre of connector (15), circular through-hole inside is equipped with threaded rod (16).
5. The petroleum transportation pipe sealing joint of claim 4, wherein: the surface of threaded rod (16) is equipped with the external screw thread, threaded rod (16) run through two fixed connection on connecting pipe (11) connector (15) to with nut (17) looks spiro union.
6. A petroleum transportation pipe sealing joint as defined in claim 1, wherein: the expansion ring (18) is annular, and two ends of the expansion ring (18) penetrate through the inside of the sliding sleeve (22) and are in sliding connection with the inner wall of the sliding sleeve (22).
7. A petroleum transportation pipe sealing joint as defined in claim 1, wherein: the size of the meshing groove (19) formed in the expansion ring (18) is matched with the size of the gear teeth on the gear (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022817828.XU CN213871532U (en) | 2020-11-30 | 2020-11-30 | Petroleum transportation pipeline sealing joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022817828.XU CN213871532U (en) | 2020-11-30 | 2020-11-30 | Petroleum transportation pipeline sealing joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213871532U true CN213871532U (en) | 2021-08-03 |
Family
ID=77064823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022817828.XU Expired - Fee Related CN213871532U (en) | 2020-11-30 | 2020-11-30 | Petroleum transportation pipeline sealing joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213871532U (en) |
-
2020
- 2020-11-30 CN CN202022817828.XU patent/CN213871532U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |