CN219828036U - High-tightness high-pressure oil pipe joint - Google Patents
High-tightness high-pressure oil pipe joint Download PDFInfo
- Publication number
- CN219828036U CN219828036U CN202321160041.8U CN202321160041U CN219828036U CN 219828036 U CN219828036 U CN 219828036U CN 202321160041 U CN202321160041 U CN 202321160041U CN 219828036 U CN219828036 U CN 219828036U
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- connecting pipe
- pipe
- pressure oil
- fixed
- sealing head
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- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Joints With Pressure Members (AREA)
Abstract
The utility model discloses a high-tightness high-pressure oil pipe joint, which comprises a first connecting pipe, a second connecting pipe and a fixing piece, wherein a clamping ring is arranged on the first connecting pipe, one end of the first connecting pipe is provided with a sealing head, the sealing head is formed by wrapping the first connecting pipe by rubber, one side, far away from the sealing head, of the first connecting pipe is provided with external threads, an inner ring is arranged in the fixing piece, the fixing piece is sleeved on the first connecting pipe, the inner ring is in threaded connection with the external threads, an internal thread is arranged in the fixing piece, a fixing pipe is arranged outside the second connecting pipe, the outer side of the fixing pipe is in threaded connection with the internal threads, and the first connecting pipe stretches into the fixing pipe and the sealing head stretches into the second connecting pipe: simple structure, easy dismounting, stable in structure, the leakproofness is good, improves the bearing capacity.
Description
Technical Field
The utility model relates to the technical field of oil pipe joints, in particular to a high-tightness high-pressure oil pipe joint.
Background
The high-pressure oil pipe is a component part of a high-pressure oil way, the oil pipe is required to bear certain oil pressure and has certain fatigue strength, the sealing requirement of the pipeline is ensured, the high-pressure oil pipes are connected with each other through the joint, and abnormal vibration at the joint of the high-pressure oil pipe results in oil leakage accidents, so that the stability of joint connection is a necessary condition for the stable operation of the oil pipeline of the high-pressure oil pipe.
Publication number CN217843024U discloses a high-pressure oil pipe joint assembly, only need with the female first annular cavity of oil pipe tip embedding, and can realize the reliable connection between the high-pressure oil pipe through public head, female head and connecting piece threaded connection, public head portion cooperatees with concave ring and bulge loop that female head inner corresponds through multichannel bulge loop and concave ring, play satisfactory sealed effect under the prerequisite that does not need the sealing washer, threaded connection's mode is when the joint receives long-time vibrations, the risk that the joint is not hard up can take place, and high-pressure oil way is great to the pressure of junction gap department, the pressure connection of singly relying on special-shaped structure seals, the requirement to the material is high, manufacturing cost is high, the degree of difficulty is big and still there is the oil leak risk.
Disclosure of Invention
The utility model solves the problems, and provides the high-tightness high-pressure oil pipe joint which is convenient for replacing and maintaining the sealing head or the sealing ring in later disassembly by means of mutual internal and external threaded connection of the fixing piece and the fixing pipe, and is connected with the clamping block under the fixation of the bolt and the nut by the clamping piece, so that the condition of oil leakage caused by loosening of the threaded connection part is avoided, and the bearing capacity of the joint part is improved.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a high leakproofness high pressure oil coupling, includes first connecting pipe, second connecting pipe, mounting, be equipped with the rand on the first connecting pipe, first connecting pipe one end is equipped with the seal head, and the seal head is rubber parcel first connecting pipe group, it is equipped with the external screw thread to keep away from seal head one side on the first connecting pipe, be equipped with the inner ring in the mounting, the mounting cup joints on first connecting pipe, inner ring and external screw thread threaded connection, be equipped with the internal screw thread in the mounting, the second connecting pipe is equipped with the fixed pipe outward, fixed pipe outside and internal screw thread threaded connection, first connecting pipe stretches into in the fixed pipe and the seal head stretches into in the second connecting pipe.
The mounting is close to outward appearance one side symmetry and is equipped with two clamps, be equipped with the draw-in groove in the clamp, the side all is equipped with the first screw that communicates with the draw-in groove around the clamp, the symmetry is equipped with two fixture blocks on the fixed pipe, fixture block one end is located the draw-in groove, be equipped with the second screw on the fixture block, first screw and second screw pass through bolt and nut fixed connection, the side that the mounting contacted with the fixed pipe is equipped with the sealing washer, and after the clamp was fixed with the fixture block, first connecting pipe and second connecting pipe compress tightly gasket and sealing washer in the rand both sides respectively, and the sealing washer is compressed tightly to mounting and fixed pipe and seals.
The thickness of the inner ring is the same as the width of the clamping ring, and a gasket is arranged between the inner ring and the clamping ring.
The external diameter of one side of the first connecting pipe, which is positioned in the fixed pipe, is the same as the internal diameter of the second connecting pipe, a groove is arranged in the second connecting pipe, and the sealing head is clamped into the groove.
The thickness of one end of the fixing pipe, which is positioned in the fixing piece, is the same as the width of the clamping ring, and a sealing gasket is arranged between the fixing pipe and the clamping ring and is pressed by the fixing pipe.
The outer diameter of the fixing pipe is the same as that of the fixing piece.
The utility model has the advantages that: 1. simple structure, easy dismounting, through the mutual internal and external threaded connection's of mounting and fixed pipe mode, the connection is firm, and is convenient for dismantle in the later stage and carry out the change maintenance of sealing head or sealing washer.
2. The structure is stable, the sealing performance is good, the clamping piece and the clamping block are connected under the fixation of the bolt and the nut, the influence of vibration on the joint is prevented, and the condition that the oil leakage is caused by loosening of the threaded connection is avoided.
3. After the high-pressure oil path which can be opposite to the connecting position enters the second connecting pipeline when being output from the first connecting pipe, the inner diameter of the second connecting pipe is increased, the bearing force of the pipeline can be reduced to a certain extent, and meanwhile, the bearing capacity of the connecting position can be further improved through the threaded fit of the fixing piece and the fixing pipe.
Drawings
Fig. 1 is a schematic diagram of an explosive structure of the present utility model.
Fig. 2 is a cross-sectional view of the connection of the present utility model.
Fig. 3 is an external view of the installation of the present utility model.
As shown in the figure: 1. a first connection pipe; 2. a second connection pipe; 3. a fixing member; 4. a collar; 5. a sealing head; 6. an external thread; 7. an inner ring; 8. an internal thread; 9. a fixed tube; 10. a clamping piece; 11. a clamping groove; 12. a first screw hole; 13. a clamping block; 14. a second screw hole; 15. a seal ring; 16. a gasket; 17. a groove; 18. and a sealing gasket.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The high-tightness high-pressure oil pipe joint comprises a first connecting pipe 1, a second connecting pipe 2 and a fixing piece 3, wherein a clamping ring 4 is arranged on the first connecting pipe 1, one end of the first connecting pipe 1 is provided with a sealing head 5, the sealing head 5 is formed by wrapping the first connecting pipe 1 by rubber, one side, far away from the sealing head 5, of the first connecting pipe 1 is provided with an external thread 6, an inner ring 7 is arranged in the fixing piece 3, the fixing piece 3 is sleeved on the first connecting pipe 1, the inner ring 7 is in threaded connection with the external thread 6, an internal thread 8 is arranged in the fixing piece 3, a fixing pipe 9 is arranged outside the second connecting pipe 2, the outer side of the fixing pipe 9 is in threaded connection with the internal thread 8, and the first connecting pipe 1 stretches into the fixing pipe 9 and the sealing head 5 stretches into the second connecting pipe 2.
The mounting 3 is close to outward appearance one side symmetry and is equipped with two fastener 10, be equipped with draw-in groove 11 in the fastener 10, the fastener 10 front and back side all is equipped with the first screw 12 with draw-in groove 11 intercommunication, the symmetry is equipped with two fixture blocks 13 on the fixed pipe 9, fixture block 13 one end is located draw-in groove 11, be equipped with the second screw 14 on the fixture block 13, first screw 12 and second screw 14 pass through bolt and nut fixed connection, the side that mounting 3 contacted with fixed pipe 9 is equipped with sealing washer 15, and after fastener 10 and fixture block 13 are fixed, first connecting pipe 1 and second connecting pipe 2 compress tightly gasket 16 and sealing washer 18 respectively in the rand 4 both sides, and mounting 3 and fixed pipe 9 compress tightly sealing washer 15 and seal.
The thickness of the inner ring 7 is the same as the width of the clamping ring 4, a gasket 16 is arranged between the inner ring 7 and the clamping ring 4, and the inner ring 7 is fixed on the outer side of the first connecting pipe 1 and limited through the clamping ring 4 and the gasket 16, so that the connection is convenient.
The external diameter of one side that first connecting pipe 1 is located fixed pipe 9 is the same with the internal diameter of second connecting pipe 2, be equipped with recess 17 in the second connecting pipe 2, seal head 5 card is gone into in the recess 17, is interference fit between seal head 5 and the second connecting pipe 2, improves the leakproofness of second connecting pipe 2 and first connecting pipe 1.
The thickness of one end of the fixed pipe 9 positioned in the fixed piece 3 is the same as the width of the clamping ring 4, a sealing gasket 18 is arranged between the fixed pipe 9 and the clamping ring 4, and the fixed pipe 9 is tightly pressed against the sealing gasket 18.
The outer diameter of the fixing tube 9 is the same as the outer diameter of the fixing member 3.
When the utility model is implemented, the installation requirements are as follows: the sealing head of first connecting pipe inserts in the second connecting pipe, in the sealing head card goes into the recess, embolia the mounting, the inner ring is fixed with first connecting pipe, the mounting external screw thread is fixed with mounting internal screw thread (gasket and sealing washer are arranged in the rand both sides respectively), the fixture block inserts in the draw-in groove, pass first screw and second screw through the bolt and nut and fix fastener and fixture block (second screw overlaps with first screw after first connecting pipe and second connecting pipe compress tightly gasket and sealing washer), connect and accomplish to be connected, the later stage can be dismantled with the same reason and maintain.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (6)
1. The utility model provides a high leakproofness high pressure oil coupling which characterized in that: including first connecting pipe (1), second connecting pipe (2), mounting (3), be equipped with rand (4) on first connecting pipe (1), first connecting pipe (1) one end is equipped with sealing head (5), it is equipped with external screw thread (6) to keep away from sealing head (5) one side on first connecting pipe (1), be equipped with inner ring (7) in mounting (3), mounting (3) cup joint on first connecting pipe (1), inner ring (7) and external screw thread (6) threaded connection, be equipped with internal screw thread (8) in mounting (3), fixed pipe (9) are equipped with outside fixed pipe (9) outside and internal screw thread (8) threaded connection, first connecting pipe (1) stretch into in fixed pipe (9) and sealing head (5) stretch into in second connecting pipe (2).
2. The high-tightness high-pressure oil pipe joint according to claim 1, wherein: the fixing piece (3) is close to outward appearance one side symmetry and is equipped with two fastener (10), be equipped with draw-in groove (11) in fastener (10), fastener (10) front and back side all is equipped with first screw (12) with draw-in groove (11) intercommunication, the symmetry is equipped with two fixture blocks (13) on fixed pipe (9), fixture block (13) one end is located draw-in groove (11), be equipped with second screw (14) on fixture block (13), first screw (12) and second screw (14) pass through bolt and nut fixed connection, the side that fastener (3) contacted with fixed pipe (9) is equipped with sealing washer (15).
3. The high-tightness high-pressure oil pipe joint according to claim 1, wherein: the thickness of the inner ring (7) is the same as the width of the clamping ring (4), and a gasket (16) is arranged between the inner ring (7) and the clamping ring (4).
4. The high-tightness high-pressure oil pipe joint according to claim 1, wherein: the outer diameter of one side of the first connecting pipe (1) positioned in the fixed pipe (9) is the same as the inner diameter of the second connecting pipe (2), a groove (17) is arranged in the second connecting pipe (2), and the sealing head (5) is clamped into the groove (17).
5. The high-tightness high-pressure oil pipe joint according to claim 1, wherein: the thickness of one end of the fixed pipe (9) positioned in the fixed piece (3) is the same as the width of the clamping ring (4), a sealing gasket (18) is arranged between the fixed pipe (9) and the clamping ring (4), and the fixed pipe (9) is tightly pressed on the sealing gasket (18).
6. The high-tightness high-pressure oil pipe joint according to claim 1, wherein: the outer diameter of the fixing pipe (9) is the same as the outer diameter of the fixing piece (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321160041.8U CN219828036U (en) | 2023-05-15 | 2023-05-15 | High-tightness high-pressure oil pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321160041.8U CN219828036U (en) | 2023-05-15 | 2023-05-15 | High-tightness high-pressure oil pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219828036U true CN219828036U (en) | 2023-10-13 |
Family
ID=88282098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321160041.8U Active CN219828036U (en) | 2023-05-15 | 2023-05-15 | High-tightness high-pressure oil pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219828036U (en) |
-
2023
- 2023-05-15 CN CN202321160041.8U patent/CN219828036U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |