CN103292090A - Petroleum pipeline with double seal structure - Google Patents
Petroleum pipeline with double seal structure Download PDFInfo
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- CN103292090A CN103292090A CN2013102166488A CN201310216648A CN103292090A CN 103292090 A CN103292090 A CN 103292090A CN 2013102166488 A CN2013102166488 A CN 2013102166488A CN 201310216648 A CN201310216648 A CN 201310216648A CN 103292090 A CN103292090 A CN 103292090A
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- inner conical
- conical surface
- petroleum pipeline
- seal
- seal groove
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Abstract
The invention discloses a petroleum pipeline with a double seal structure. The petroleum pipeline comprises a body. Each end joint of the body is provided with an inner conical surface, the inner conical surfaces are equal in taper and unequal in length, the surface of each inner conical surface is smooth, a circular seal groove and a circular step face are formed on each inner conical surface, the circular step face is located outside each circular seal groove, an O-shaped seal ring is mounted in each circular seal groove, the section of each O-shaped seal ring is elliptical, and each circular step face is provided with a strip seal ring. The O-shaped seal rings and the strip seal rings provide double seal action; the circular seal grooves are perpendicular to the inner conical surface, restoring force generated by the O-shaped seal rings which are stressed and compressed is perpendicular to the inner conical surfaces, and better sealing is achieved; the strip seal rings provide convenience for mounting and demounting, the contact area of strip structure of the strip seal rings is large, and sealing is also better.
Description
Technical field
The present invention relates to a kind of double sealing structure petroleum pipeline, belong to the petroleum pipeline technical field.
Background technique
Adopt the petroleum pipeline transfer oil, cost is low, the medium tache less wastage, but to having relatively high expectations of pipeline and pipe joint, so in order to guarantee the stability of petroleum pipeline transfer oil, seal request, structural strength to pipe joint require just to become the important technological problems that a lot of pipe production merchants need solve, and the solution of this problem directly has influence on the great field that oil reserve, oil transportation etc. are related to national economy.So for guarantee oil transportation safe, reduce the wasting phenomena in the course of conveying, the claimant designs the petroleum pipeline interface device of a kind of good stability, good airproof performance, and has applied for a kind of cone-shaped interface petroleum pipeline on the same day in the application.But the friction surface structure of this petroleum pipeline structure, though can guarantee good sealing property, but design cost is also higher, can only be applicable to the Environmental Conditions that minority is had relatively high expectations to sealing, stability, stress equilibrium, field for common technical requirements, user cost is too high, thus be necessary this application is improved accordingly, so that it is applicable to the Environmental Conditions not high to technical requirements.
Summary of the invention
In order to solve the technical problem of petroleum pipeline sealing joint, and the problem of petroleum pipeline interface structure stability, the invention provides a kind of double sealing structure petroleum pipeline.
Purpose of the present invention is come specific implementation by the following technical programs:
A kind of double sealing structure petroleum pipeline, comprise body, the two ends interface position of body is respectively equipped with that tapering is identical, the inner conical surface of equal in length, the surface of described inner conical surface is smooth surface, be provided with an annular seal groove and an annular table terrace at each described inner conical surface, described annular table terrace is positioned at the outside of described annular seal groove, an O-ring seals is installed in the described annular seal groove, the cross section ovalize of described O-ring seals, described annular table terrace is provided with a banded seal ring.
The outside opening place of described banded seal ring is made as inner conical surface.
The cross section of described annular seal groove is rectangular, and vertical with described inner conical surface.
Described inner conical surface is the 3-5 degree with respect to the angle of the cone angle in body axle center.
The two ends of described body respectively are provided with outside thread.
A kind of double sealing structure petroleum pipeline of the present invention adopts O-ring seals and banded seal ring to realize the double seal effect; Described annular seal groove is vertical with described inner conical surface, can make described O-ring seals be forced to the compression after, the direction of the restoring force of generation can reach better sealing effect like this perpendicular to described inner conical surface; The effect of described banded seal ring is that installation and removal are convenient, and the area of contact of banded structure is bigger, and sealing effect is also better.
Description of drawings
With embodiment the present invention is described in further detail with reference to the accompanying drawings below.
Fig. 1 is a kind of structural drawing of double sealing structure petroleum pipeline.
Among the figure: 1, body; 2, inner conical surface; 3, outside thread; 41, annular seal groove; 42, annular table terrace; 51, O-ring seals; 52, banded seal ring.
Embodiment
As shown in Figure 1, the described a kind of double sealing structure petroleum pipeline of the embodiment of the invention, comprise body 1, it is identical that the two ends interface position of body 1 is respectively equipped with tapering, the inner conical surface 2 of equal in length, the surface of described inner conical surface 2 is smooth surface, be provided with an annular seal groove 41 and an annular table terrace 42 at each described inner conical surface 2, described annular table terrace 42 is positioned at the outside of described annular seal groove 41, an O-ring seals 51 is installed in the described annular seal groove 41, the cross section ovalize of described O-ring seals 51, described annular table terrace 42 are provided with a banded seal ring 52.
The outside opening place of described banded seal ring 52 is made as inner conical surface.
The cross section of described annular seal groove 41 is rectangular, and vertical with described inner conical surface.
Described inner conical surface 2 is the 3-5 degree with respect to the angle of the cone angle in body 1 axle center.
The two ends of described body 1 respectively are provided with outside thread 3.
A kind of double sealing structure petroleum pipeline of the present invention adopts O-ring seals and banded seal ring to realize the double seal effect; Described annular seal groove is vertical with described inner conical surface, can make described O-ring seals be forced to the compression after, the direction of the restoring force of generation can reach better sealing effect like this perpendicular to described inner conical surface; The effect of described banded seal ring is that installation and removal are convenient, and the area of contact of banded structure is bigger, and sealing effect is also better.
It is to be noted; design of the present invention is not limited only to above embodiment, anyly conceives further improvement and distortion on the basis in the present invention, all should belong to the protection domain of the present invention's design; anyone permits without the obligee, all can not arbitrarily implement the design proposal of this patent.
Claims (5)
1. double sealing structure petroleum pipeline, comprise body, it is characterized in that, the two ends interface position of body is respectively equipped with that tapering is identical, the inner conical surface of equal in length, the surface of described inner conical surface is smooth surface, be provided with an annular seal groove and an annular table terrace at each described inner conical surface, described annular table terrace is positioned at the outside of described annular seal groove, an O-ring seals is installed in the described annular seal groove, the cross section ovalize of described O-ring seals, described annular table terrace is provided with a banded seal ring.
2. a kind of double sealing structure petroleum pipeline as claimed in claim 1 is characterized in that, the outside opening place of described banded seal ring is made as inner conical surface.
3. a kind of double sealing structure petroleum pipeline as claimed in claim 1 is characterized in that the cross section of described annular seal groove is rectangular, and vertical with described inner conical surface.
4. a kind of double sealing structure petroleum pipeline as claimed in claim 1 is characterized in that, described inner conical surface is the 3-5 degree with respect to the angle of the cone angle in body axle center.
5. a kind of double sealing structure petroleum pipeline as claimed in claim 1 is characterized in that the two ends of described body respectively are provided with outside thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102166488A CN103292090A (en) | 2013-06-04 | 2013-06-04 | Petroleum pipeline with double seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102166488A CN103292090A (en) | 2013-06-04 | 2013-06-04 | Petroleum pipeline with double seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103292090A true CN103292090A (en) | 2013-09-11 |
Family
ID=49093425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102166488A Pending CN103292090A (en) | 2013-06-04 | 2013-06-04 | Petroleum pipeline with double seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103292090A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090479A (en) * | 2015-11-06 | 2016-11-09 | 苏光彬 | Metallic conduit snap ring-type attachment structure and preparation method thereof |
| CN112696622A (en) * | 2020-12-15 | 2021-04-23 | 台州万昌电子科技有限公司 | Environment-friendly photoelectric simulation firecracker lamp |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1360102A (en) * | 1971-03-09 | 1974-07-17 | Kemp & Co Pty Ltd | Seal for pipe end |
| US4014568A (en) * | 1974-04-19 | 1977-03-29 | Ciba-Geigy Corporation | Pipe joint |
| US6598908B1 (en) * | 2000-06-16 | 2003-07-29 | Marshall W. Wosik | Hydraulic fitting |
| US20070152444A1 (en) * | 2006-01-05 | 2007-07-05 | Rasmussen Gmbh | Coupling assembly with pipe sockets of fluid-holding parts to be joined |
| JP4177226B2 (en) * | 2003-10-15 | 2008-11-05 | 東尾メック株式会社 | Pipe joint seal structure for refrigerant piping |
| CN202561303U (en) * | 2012-05-15 | 2012-11-28 | 浙江盾运实业有限公司 | Sealing structure for connection tube |
| CN202733267U (en) * | 2012-07-06 | 2013-02-13 | 宁波市鄞州派合机械有限公司 | Hose connector |
| CN203273090U (en) * | 2013-06-04 | 2013-11-06 | 无锡金顶石油管材配件制造有限公司 | Dual-seal structure petroleum pipe |
-
2013
- 2013-06-04 CN CN2013102166488A patent/CN103292090A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1360102A (en) * | 1971-03-09 | 1974-07-17 | Kemp & Co Pty Ltd | Seal for pipe end |
| US4014568A (en) * | 1974-04-19 | 1977-03-29 | Ciba-Geigy Corporation | Pipe joint |
| US6598908B1 (en) * | 2000-06-16 | 2003-07-29 | Marshall W. Wosik | Hydraulic fitting |
| JP4177226B2 (en) * | 2003-10-15 | 2008-11-05 | 東尾メック株式会社 | Pipe joint seal structure for refrigerant piping |
| US20070152444A1 (en) * | 2006-01-05 | 2007-07-05 | Rasmussen Gmbh | Coupling assembly with pipe sockets of fluid-holding parts to be joined |
| CN202561303U (en) * | 2012-05-15 | 2012-11-28 | 浙江盾运实业有限公司 | Sealing structure for connection tube |
| CN202733267U (en) * | 2012-07-06 | 2013-02-13 | 宁波市鄞州派合机械有限公司 | Hose connector |
| CN203273090U (en) * | 2013-06-04 | 2013-11-06 | 无锡金顶石油管材配件制造有限公司 | Dual-seal structure petroleum pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090479A (en) * | 2015-11-06 | 2016-11-09 | 苏光彬 | Metallic conduit snap ring-type attachment structure and preparation method thereof |
| CN112696622A (en) * | 2020-12-15 | 2021-04-23 | 台州万昌电子科技有限公司 | Environment-friendly photoelectric simulation firecracker lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130911 |
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| RJ01 | Rejection of invention patent application after publication |