CN106639901A - Sealing leakage-prevention device of connecting joints of oil pipe - Google Patents
Sealing leakage-prevention device of connecting joints of oil pipe Download PDFInfo
- Publication number
- CN106639901A CN106639901A CN201611020190.9A CN201611020190A CN106639901A CN 106639901 A CN106639901 A CN 106639901A CN 201611020190 A CN201611020190 A CN 201611020190A CN 106639901 A CN106639901 A CN 106639901A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- ring
- connector
- thread
- oil pipe
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
Abstract
The invention discloses a sealing leakage-prevention device of connecting joints of an oil pipe. The sealing leakage-prevention device comprises a first connecting joint, a second connecting joint and round connecting pipes; a first threaded end is arranged at the right end of the first connecting joint, and a first annular bulge is arranged at the tail end of the left side of the first threaded end; a second threaded end is arranged on the left side of the second connecting joint, and a second annular bulge is arranged at the tail end of the right side of the second threaded end; first external threads are formed on the external walls of the round connecting pipes, a first left sealing ring is arranged on the outer circle of the first annular bulge in a sleeving manner, a second left sealing ring is arranged on the first connecting joint in a sleeving manner, a first right sealing ring is arranged on the outer circle of the second annular bulge in a sleeving manner, a second right sealing ring is arranged on the second connecting joint in a sleeving manner, a first connecting ring is arranged on the first connecting joint in a sleeving manner, and a second connecting ring is arranged on the second connecting joint in a sleeving manner. According to the sealing leakage-prevention device disclosed by the invention, the double layers of sealing rings and the double layers of connecting pipes are adopted, so that the sealing leakage-prevention performance is greatly improved, and the connection is reliable.
Description
Technical field
The present invention relates to water-tight equipment technical field, specially a kind of oil pipe jointing sealing device for preventing leakage.
Background technology
The sealing anti-leak performance requirement of pipeline junction is improved constantly now for relatively deep oil, gas well, it is general at present
Threaded connection is directly processed using pipe collar, its sealing property is limited only to the tightness degree of individual layer screw thread cooperation and plays sealing effect
Really, there is very big disclosure risk, so as to cause the generation of accident.
The content of the invention
It is an object of the invention to provide a kind of oil pipe jointing seals device for preventing leakage, to solve above-mentioned background technology
The problem of middle proposition, is had an advantageous effect in that：Using double-layer seal rings and double-deck connecting tube so that the leak-proof energy of sealing
Greatly improve, connection is reliable.
For achieving the above object, the present invention provides following technical scheme：A kind of oil pipe jointing seals device for preventing leakage,
Including the first connector, the second connector and circular connecting pipe；The right-hand member of first connector is provided with first end of thread, and
The left distal end of first end of thread is provided with first annular projection, and on the left of second connector second end of thread is provided with,
And second the right end of the end of thread be provided with the second annular protrusion, the outer wall of the circular connecting pipe is provided with the first outer spiral shell
Line, and the inwall of circular connecting pipe is provided with the first internal thread, first end of thread is closely connected with the first internal thread, described
Second end of thread is closely connected with the first internal thread, and on the first annular raised outer ring the first left sealing ring, institute are arranged with
State and the second left sealing ring be arranged with the first connector, the first right sealing ring is arranged with the outer ring of second annular protrusion,
The second right sealing ring is arranged with second connector, the first connection ring is arranged with first connector, and first connects
The inwall for connecing ring is provided with the second internal thread, and first connection ring is with circular connecting pipe by the second internal thread and the first outer spiral shell
Line is closely connected, and is arranged with second connector in the second connection ring, and the inwall of the second connection ring and is provided with
Three internal threads, second connection ring is closely connected by the 3rd internal thread with circular connecting pipe with the first external screw thread.
Preferably, first connector and first annular projection are integrated design.
Preferably, second connector and the second annular protrusion are integrated design.
Preferably, the described second left sealing ring is brought into close contact with first annular projection, and the second left sealing ring is arranged on
The left side of one annular protrusion.
Preferably, the described second right sealing ring is brought into close contact with the second annular protrusion, and the second right sealing ring is arranged on
The raised right side of second ring.
Preferably, the described first left sealing ring and the second left sealing ring are arranged in the inner chamber of the first connection ring.
Preferably, the described first right sealing ring and the second right sealing ring are arranged in the inner chamber of the second connection ring.
Compared with prior art, the invention has the beneficial effects as follows：The equipment is using the first left sealing ring and the second left sealing
Circle and the first right sealing ring are used cooperatively with the double-layer seal rings of the second right sealing ring so that sealing property is greatly improved, internal
The first connector and connector are closely connected by circular connecting pipe, outside is by the first connection ring and the second connection ring
Sealing ring is arranged in the lumen, double-deck connecting tube cause to seal it is leak-proof can be more preferably.
Description of the drawings
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the scheme of installation of circular connecting pipe of the present invention；
Fig. 3 is the installation of the first left sealing ring of the invention, the second left sealing ring, the first right sealing ring and the second right sealing ring
Schematic diagram；
Fig. 4 is the scheme of installation of the first connection ring of the invention and the second connection ring；
Fig. 5 is the sectional view of the first connector of the invention；
Fig. 6 is the external structure schematic diagram of the first connector of the invention；
Fig. 7 is the sectional view of the second connector of the invention；
Fig. 8 is the external structure schematic diagram of the second connector of the invention；
Fig. 9 is the structural representation of the first connection ring of the invention；
Figure 10 is the structural representation of the second connection ring of the invention.
In figure：The connectors of 1- first；The ends of thread of 2- first；The first annular projections of 3-；The connectors of 4- second；The screw threads of 5- second
End；The annular protrusions of 6- second；7- circular connecting pipes；The external screw threads of 8- first；The internal threads of 9- first；The left sealing rings of 10- first；11-
Second left sealing ring；The right sealing rings of 12- first；The right sealing rings of 13- second；The connection rings of 14- first；The internal threads of 15- second；16-
Second connection ring；The internal threads of 17- the 3rd.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1-10, a kind of embodiment that the present invention is provided：A kind of oil pipe jointing seals device for preventing leakage, bag
Include the first connector 1, the second connector 4 and circular connecting pipe 7；The right-hand member of the first connector 1 is provided with first end of thread 2, and
The left distal end of first end of thread 2 is provided with first annular raised 3, and the left side of the second connector 4 is provided with second end of thread 5,
And second the right end of the end of thread 5 be provided with the second annular protrusion 6, the outer wall of circular connecting pipe 7 is provided with the first external screw thread
8, and the inwall of circular connecting pipe 7 is provided with the first internal thread 9, first end of thread 2 is closely connected with the first internal thread 9, and second
The end of thread 5 is closely connected with the first internal thread 9, and the first left sealing ring 10 is arranged with first annular raised 3 outer ring, and first connects
The second left sealing ring 11 is arranged with joint 1, the first right sealing ring 12 is arranged with the outer ring of the second annular protrusion 6, second connects
The second right sealing ring 13 is arranged with joint 4, the first connection ring 14 is arranged with the first connector 1, and the first connection ring 14
Inwall is provided with the second internal thread 15, and the first connection ring 14 is with circular connecting pipe 7 by the second internal thread 15 and the first external screw thread 8
Closely it is connected, is arranged with the second connector 4 in second connection ring 16, and the inwall of the second connection ring 16 and is provided with the 3rd
Internal thread 17, the second connection ring 16 is closely connected by the 3rd internal thread 17 with circular connecting pipe 7 with the first external screw thread 8,
First connector 1 and first annular raised 3 is integrated design, and the second connector 4 and the second annular protrusion 6 are integrated design, the
Two left sealing rings 11 are brought into close contact with first annular raised 3, and the second left sealing ring 11 is arranged on first annular raised 3 left side
Side, the second right sealing ring 13 is brought into close contact with the second annular protrusion 6, and the second right sealing ring 13 is arranged on the second annular protrusion 6
Right side, the first left sealing ring 10 and the second left sealing ring 11 be arranged in the inner chamber of the first connection ring 14, the first right sealing
The right sealing ring 13 of circle 12 and second is arranged in the inner chamber of the second connection ring 16.
Operation principle：When using, the first connector 1 and circular connecting pipe 7 are by first end of thread 2 and the first internal thread 9
Closely it is connected, closely connection is solid by second end of thread 5 and the first internal thread 9 for the second connector 4 and circular connecting pipe 7
It is fixed, so as to the first connector 1 and the second connector 4 be linked together, the first left sealing ring is provided with the first connector 1
10, the second left sealing ring 11 is provided with first annular raised 3, it is provided with the first right sealing ring 12 on the second connector 4, second
The second right sealing ring 13 is provided with annular protrusion 6, the setting of double-layer seal rings causes sealing property to greatly improve, the first connection
Ring 14 and circular connecting pipe 7 are closely connected by the second internal thread 15 and the first external screw thread 8, the second connection ring 16 with it is circular
Connecting tube 7 is closely connected by the 3rd internal thread 17 with the first external screw thread 8, the first left sealing ring 10 and the second left sealing ring
11 are arranged in the inner chamber of the first connection ring 14, and the first right sealing ring 12 and the second right sealing ring 13 are arranged at the second connection
In the inner chamber of ring 16, the setting of double-deck connecting tube causes sealing property more preferably.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as and limit involved claim.
Claims (7)
1. a kind of oil pipe jointing seals device for preventing leakage, including the first connector (1), the second connector (4) and circle are even
Adapter (7)；It is characterized in that：The right-hand member of first connector (1) is provided with first end of thread (2), and first end of thread (2)
Left distal end be provided with it is first annular projection (3), second end of thread (5) is provided with the left of second connector (4), and
The right end of second end of thread (5) is provided with the second annular protrusion (6), and the outer wall of the circular connecting pipe (7) is provided with
One external screw thread (8), and the inwall of circular connecting pipe (7) is provided with the first internal thread (9), first end of thread (2) and first
Internal thread (9) closely connects, and second end of thread (5) is closely connected with the first internal thread (9), the first annular projection
(3) the first left sealing ring (10) is arranged with outer ring, the second left sealing ring (11) is arranged with first connector (1),
The first right sealing ring (12) is arranged with the outer ring of second annular protrusion (6), is arranged with second connector (4)
Two right sealing rings (13), are arranged with the first connection ring (14), and the inwall of the first connection ring (14) on first connector (1)
It is provided with the second internal thread (15), first connection ring (14) and circular connecting pipe (7) are by the second internal thread (15) and the
One external screw thread (8) is closely connected, and the second connection ring (16), and the second connection ring are arranged with second connector (4)
(16) it is provided with the 3rd internal thread (17) on inwall, second connection ring (16) and circular connecting pipe (7) are by the 3rd
Screw thread (17) is closely connected with the first external screw thread (8).
2. a kind of oil pipe jointing according to claim 1 seals device for preventing leakage, it is characterised in that：Described first connects
Joint (1) and first annular projection (3) are integrated design.
3. a kind of oil pipe jointing according to claim 1 seals device for preventing leakage, it is characterised in that：Described second connects
Joint (4) and the second annular protrusion (6) are integrated design.
4. a kind of oil pipe jointing according to claim 1 seals device for preventing leakage, it is characterised in that：Described second is left
Sealing ring (11) is brought into close contact with first annular projection (3), and the second left sealing ring (11) is arranged on first annular projection (3)
Left side.
5. a kind of oil pipe jointing according to claim 1 seals device for preventing leakage, it is characterised in that：Described second is right
Sealing ring (13) is brought into close contact with the second annular protrusion (6), and the second right sealing ring (13) is arranged on the second annular protrusion (6)
Right side.
6. a kind of oil pipe jointing according to claim 1 seals device for preventing leakage, it is characterised in that：Described second is right
Sealing ring (13) is brought into close contact with the second annular protrusion (6), and the second right sealing ring (13) is arranged on the second annular protrusion (6)
Right side.
7. a kind of oil pipe jointing according to claim 1 seals device for preventing leakage, it is characterised in that：Described first is right
Sealing ring (12) and the second right sealing ring (13) are arranged in the inner chamber of the second connection ring (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020190.9A CN106639901A (en) | 2016-11-21 | 2016-11-21 | Sealing leakage-prevention device of connecting joints of oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020190.9A CN106639901A (en) | 2016-11-21 | 2016-11-21 | Sealing leakage-prevention device of connecting joints of oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106639901A true CN106639901A (en) | 2017-05-10 |
Family
ID=58808939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611020190.9A Pending CN106639901A (en) | 2016-11-21 | 2016-11-21 | Sealing leakage-prevention device of connecting joints of oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106639901A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB798598A (en) * | 1956-03-20 | 1958-07-23 | Gratzmuller Jean Louis | Improvements in or relating to pipe connections |
| CN2675994Y (en) * | 2004-03-02 | 2005-02-02 | 王新德 | Pipeline connection pipe fittings |
| CN202733235U (en) * | 2012-08-23 | 2013-02-13 | 四川川润液压润滑设备有限公司 | Weldless seal pipe joint structure |
| CN103292081A (en) * | 2013-06-04 | 2013-09-11 | 无锡金顶石油管材配件制造有限公司 | Embedded sealing port structure for high-pressure delivery pipelines |
| CN205479821U (en) * | 2016-01-14 | 2016-08-17 | 唐学功 | Improved generation fluid pipeline quick -operation joint |
| CN205618858U (en) * | 2016-05-16 | 2016-10-05 | 四川长虹技佳精工有限公司 | Quick sealing connecting structure of pipeline |
-
2016
- 2016-11-21 CN CN201611020190.9A patent/CN106639901A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB798598A (en) * | 1956-03-20 | 1958-07-23 | Gratzmuller Jean Louis | Improvements in or relating to pipe connections |
| CN2675994Y (en) * | 2004-03-02 | 2005-02-02 | 王新德 | Pipeline connection pipe fittings |
| CN202733235U (en) * | 2012-08-23 | 2013-02-13 | 四川川润液压润滑设备有限公司 | Weldless seal pipe joint structure |
| CN103292081A (en) * | 2013-06-04 | 2013-09-11 | 无锡金顶石油管材配件制造有限公司 | Embedded sealing port structure for high-pressure delivery pipelines |
| CN205479821U (en) * | 2016-01-14 | 2016-08-17 | 唐学功 | Improved generation fluid pipeline quick -operation joint |
| CN205618858U (en) * | 2016-05-16 | 2016-10-05 | 四川长虹技佳精工有限公司 | Quick sealing connecting structure of pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |