CN201748157U - High-pressure telescopic union - Google Patents
High-pressure telescopic union Download PDFInfo
- Publication number
- CN201748157U CN201748157U CN2010202976947U CN201020297694U CN201748157U CN 201748157 U CN201748157 U CN 201748157U CN 2010202976947 U CN2010202976947 U CN 2010202976947U CN 201020297694 U CN201020297694 U CN 201020297694U CN 201748157 U CN201748157 U CN 201748157U
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- union
- female
- hollow axis
- seal ring
- axis body
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Abstract
The utility model relates to a high-pressure telescopic union which belongs to the technical field of oil and gas high-pressure pipe remit connection and comprises a male union, a female union and a connecting bolt sleeve. A right cavity body and a left cavity body of the female union are communicated by a connecting channel, the inner diameter of the right cavity body is larger than that of the connecting channel, and a first sealing ring is arranged in the left cavity body of the female union; the male union comprises a hollow shaft body, a locking ring and an elastic retainer ring; the right end of the hollow shaft body is fixed in the locking ring by a locking sheet and the elastic retainer ring, the left part of the hollow shaft body is sheathed in the right cavity body of the female union, an outer lug boss is arranged at the middle part of the hollow shaft body, an inner lug boss is arranged at the right end of the connecting bolt sleeve, and the connecting bolt sleeve which can move left and right is fixedly arranged on the female union by a thread. The high-pressure telescopic union adopts reasonable as well as compact structure and is convenient to use; the connecting bolt sleeve can be rotated to lead the male union to move left and right, so as to adjust the length of a pipeline of a middle connecting segment, thereby greatly increasing the working efficiency.
Description
Technical field
The utility model relates to petroleum gas high pressure pipe joint interconnection technique field, is the flexible union of a kind of high pressure.
Background technique
In the oil and gas industry high pressure pipe joint connection procedure, since the difficulty accurate in place of machining accuracy or place restriction or main equipment, the inappropriate situation of linkage section length of pipeline in the middle of often occurring.All be that field by using is joined the intermediate section length of pipeline at every turn surely or cooperated by large-scale lifting appliance and installs after debugging reaches installation conditions repeatedly generally speaking.The preparatory work time is long like this, the installation time is long, and inefficiency does not meet efficiently requirement fast of field produces.
Summary of the invention
The utility model provides a kind of high pressure union that stretches, and has overcome the deficiency of above-mentioned prior art, and it can effectively solve oil and gas industry high pressure pipe joint intermediate section length of pipeline and be difficult for the problem that debugging is installed.
The technical solution of the utility model realizes by following measure: a kind of high pressure union that stretches comprises public union, female union and connecting bolt cover; The right cavity of female union is connected by connecting passage with the left cavity of female union, the internal diameter of right cavity is greater than the internal diameter of connecting passage, in the left cavity of female union, first seal ring is installed, public union comprises hollow axis body, retainer and circlip, the right-hand member of hollow axis body is fixed in the retainer by locking plate and circlip, the left part of hollow axis body is sleeved in the right cavity of female union, there is outer lug boss at middle part at hollow axis body, the right-hand member of connecting bolt cover has inner convex platform, the connecting bolt cover is fixedly mounted in the female union by screw thread and the energy move left and right, the right flank of outer lug boss withstands on the left surface of inner convex platform, between the inwall of the right cavity of hollow axis body left end and female union seal arrangement is installed.
Be further optimization and/or improvements below to above-mentioned model utility technological scheme:
Above-mentioned seal arrangement comprises Liner Seal Ring, axle-steel silk back-up ring, sealing support and seal ring, the left part outside of hollow axis body is external diameter stepped shape left small and right large, the step joint is skewed, the hollow axis body that external diameter is big is sleeved in the right cavity of female union, form mounting groove between the right cavity of external side of the hollow shaft that external diameter is little and female union, Liner Seal Ring is installed in mounting groove, on Liner Seal Ring and its pairing hollow axis body, annular groove is arranged all, the axle-steel silk back-up ring that can limit the Liner Seal Ring move left and right is installed in annular groove, the sealing support that matches with the inclined-plane of step joint is installed in right-hand mounting groove of Liner Seal Ring, the seal ring that the sealed lining body of energy holds out against is installed between sealing support and hollow axis body.
Above-mentioned sealing support can comprise body and connecting body, the left end outside of body is fixed together with the right-hand member of connecting body, the right part of body is skewed and matches with the inclined-plane of step joint, and second seal ring that the sealed lining body of energy holds out against is installed between connecting body and hollow axis body.
The O RunddichtringO of at least one can be installed between above-mentioned sealing lining body and the hollow axis body.
The O RunddichtringO of at least one can be installed between the right cavity inner wall of above-mentioned sealing lining body and female union.
Above-mentioned connecting bolt cover can be fixedly mounted in the female union and the energy move left and right by trapezoidal thread.
Can be distributed with at least two removal holes on the right-hand member of above-mentioned connecting bolt cover.
The utility model reasonable and compact in structure, easy to use, make public union energy move left and right by the thread bush that is rotatably connected, thereby therefore linkage section length of pipeline in the middle of regulating has greatly improved working efficiency.
Description of drawings
Accompanying drawing 1 is looked the sectional structure schematic representation for the master of the utility model most preferred embodiment.
Coding in the accompanying drawing is respectively: 1 is the connecting bolt cover, and 2 is the right cavity of female union, and 3 is the left cavity of female union, and 4 is connecting passage, 5 is first seal ring, and 6 is hollow axis body, and 7 is retainer, 8 is circlip, and 9 is locking plate, and 10 is outer lug boss, 11 is inner convex platform, and 12 is female union, and 13 is Liner Seal Ring, 14 is axle-steel silk back-up ring, and 15 is second seal ring, and 16 is body, 17 is connecting body, and 18 is the O RunddichtringO, and 19 is removal hole.
Embodiment
The utility model is not subjected to following embodiment's restriction, can determine concrete mode of execution according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description is described, as: the position relation of upper and lower, left and right etc. is what to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, the flexible union of this high pressure comprises public union, female union 12 and connecting bolt cover 1; The right cavity 2 of female union is connected by connecting passage 4 with the left cavity 3 of female union, the internal diameter of right cavity 2 is greater than the internal diameter of connecting passage 4, first seal ring 5 is installed in the left cavity 3 of female union, public union comprises hollow axis body 6, retainer 7 and circlip 8, the right-hand member of hollow axis body 6 is fixed in the retainer 7 by locking plate 9 and circlip 8, the left part of hollow axis body 6 is sleeved in the right cavity 2 of female union, at the middle part of hollow axis body 6 outer lug boss 10 is arranged, the right-hand member of connecting bolt cover 1 has inner convex platform 11, connecting bolt cover 1 is fixedly mounted in the female union 12 by screw thread and the energy move left and right, the right flank of outer lug boss 10 withstands on the left surface of inner convex platform 11, between the inwall of the right cavity 2 of hollow axis body 6 left ends and female union, seal arrangement is installed, guarantee high pressure sealing and necessary glade plane space by seal arrangement in use, when needs are regulated centre linkage section length of pipeline, bolt sleeve 1 is rotationally connected, produce spacing between connecting bolt cover 1 and the hollow axis body 6, move right hollow axis body 6 this moment, so just linkage section length of pipeline in the middle of the energy quick adjustment has improved working efficiency.
Can according to actual needs the flexible union of above-mentioned high pressure be made further optimization and/or improvements:
As shown in Figure 1, seal arrangement comprises Liner Seal Ring 13, axle-steel silk back-up ring 14, the sealing support and second seal ring 15, the left part outside of hollow axis body 6 is external diameter stepped shape left small and right large, the step joint is skewed, the hollow axis body 6 that external diameter is big is sleeved in the right cavity 2 of female union, form mounting groove between hollow axis body 6 outsides that external diameter is little and the right cavity 2 of female union, Liner Seal Ring 13 is installed in mounting groove, on Liner Seal Ring 13 and its pairing hollow axis body 6, annular groove is arranged all, the axle-steel silk back-up ring 14 that can limit Liner Seal Ring 13 move left and right is installed in annular groove, in right-hand mounting groove of Liner Seal Ring 13, the sealing support that matches with the inclined-plane of step joint is installed, between sealing support and hollow axis body 6, second seal ring 15 that the sealed lining body 13 of energy holds out against is installed.Like this, axle-steel silk back-up ring 7 guarantees that the Liner Seal Ring 13 after the assembling can only be in the slide relative in the certain-length scope, thereby make the sealing surface between the right cavity 2 of sealing hollow axis body 6 of support jam-packed and female union by Liner Seal Ring 13 extruding second seal ring 15, thereby guarantee sealing, second seal ring 15 can adopt O type rubber seal.
As shown in Figure 1, the sealing support comprises body 16 and connecting body 17, the left end outside of body 16 is fixed together with the right-hand member of connecting body 17, the right part of body 16 is skewed and matches with the inclined-plane of step joint, and second seal ring 15 that the sealed lining body of energy holds out against is installed between connecting body 17 and hollow axis body 6.
The O RunddichtringO 18 of at least one is installed between sealing lining body 13 and the hollow axis body 6 as shown in Figure 1.
As shown in Figure 1, the O RunddichtringO 18 of at least one is installed between right cavity 2 inwalls of sealing lining body 13 and female union, like this, under differential pressure action, Liner Seal Ring 13 moves right and compresses O RunddichtringO 18, cause the sealing surface between the right cavity 2 that seals hollow axis body 6 of support jam-packed and female union, thereby guarantee sealing.
As shown in Figure 1, for the ease of transmission, connecting bolt cover 1 is fixedly mounted in the female union 12 by trapezoidal thread and the energy move left and right.
As shown in Figure 1, for the ease of installation and removal, be distributed with at least two removal holes 19 on the right-hand member of connecting bolt cover 1.
Above technical characteristics has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, satisfies the demand of different situations.
Claims (10)
1. the flexible union of high pressure is characterized in that comprising public union, female union and connecting bolt cover; The right cavity of female union is connected by connecting passage with the left cavity of female union, the internal diameter of right cavity is greater than the internal diameter of connecting passage, in the left cavity of female union, first seal ring is installed, public union comprises hollow axis body, retainer and circlip, the right-hand member of hollow axis body is fixed in the retainer by locking plate and circlip, the left part of hollow axis body is sleeved in the right cavity of female union, there is outer lug boss at middle part at hollow axis body, the right-hand member of connecting bolt cover has inner convex platform, the connecting bolt cover is fixedly mounted in the female union by screw thread and the energy move left and right, the right flank of outer lug boss withstands on the left surface of inner convex platform, between the inwall of the right cavity of hollow axis body left end and female union seal arrangement is installed.
2. the high pressure according to claim 1 union that stretches, it is characterized in that seal arrangement comprises Liner Seal Ring, axle-steel silk back-up ring, sealing support and seal ring, the left part outside of hollow axis body is external diameter stepped shape left small and right large, the step joint is skewed, the hollow axis body that external diameter is big is sleeved in the right cavity of female union, form mounting groove between the right cavity of external side of the hollow shaft that external diameter is little and female union, Liner Seal Ring is installed in mounting groove, on Liner Seal Ring and its pairing hollow axis body, annular groove is arranged all, the axle-steel silk back-up ring that can limit the Liner Seal Ring move left and right is installed in annular groove, the sealing support that matches with the inclined-plane of step joint is installed in right-hand mounting groove of Liner Seal Ring, the seal ring that the sealed lining body of energy holds out against is installed between sealing support and hollow axis body.
3. the high pressure according to claim 2 union that stretches, it is characterized in that the sealing support comprises body and connecting body, the left end outside of body is fixed together with the right-hand member of connecting body, the right part of body is skewed and matches with the inclined-plane of step joint, and second seal ring that the sealed lining body of energy holds out against is installed between connecting body and hollow axis body.
4. according to claim 2 or the flexible union of 3 described high pressure, it is characterized in that sealing the O RunddichtringO that at least one is installed between lining body and the hollow axis body.
5. according to claim 2 or the flexible union of 3 described high pressure, it is characterized in that sealing the O RunddichtringO that at least one is installed between the right cavity inner wall that serves as a contrast body and female union.
6. the high pressure according to claim 4 union that stretches is characterized in that sealing the O RunddichtringO that at least one is installed between the right cavity inner wall of lining body and female union.
7. according to claim 1 or the flexible union of 2 or 3 described high pressure, it is characterized in that the connecting bolt cover is fixedly mounted in the female union by trapezoidal thread and the energy move left and right.
8. the high pressure according to claim 6 union that stretches is characterized in that the connecting bolt cover is fixedly mounted in the female union by trapezoidal thread and can move left and right.
9. according to the flexible union of claim 1 or 2 or 3 described high pressure, it is characterized in that being distributed with at least two removal holes on the right-hand member of connecting bolt cover.
10. the high pressure according to claim 8 union that stretches is characterized in that being distributed with at least two removal holes on the right-hand member of connecting bolt cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202976947U CN201748157U (en) | 2010-08-19 | 2010-08-19 | High-pressure telescopic union |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202976947U CN201748157U (en) | 2010-08-19 | 2010-08-19 | High-pressure telescopic union |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201748157U true CN201748157U (en) | 2011-02-16 |
Family
ID=43582835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202976947U Expired - Fee Related CN201748157U (en) | 2010-08-19 | 2010-08-19 | High-pressure telescopic union |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201748157U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927338A (en) * | 2020-07-22 | 2020-11-13 | 四川宏华石油设备有限公司 | High-pressure manifold telescopic short joint |
| CN113290311A (en) * | 2021-05-24 | 2021-08-24 | 中国船舶重工集团公司第七二五研究所 | Vacuum sealing device for local vacuum electron beam welding of metal pipe fitting |
-
2010
- 2010-08-19 CN CN2010202976947U patent/CN201748157U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927338A (en) * | 2020-07-22 | 2020-11-13 | 四川宏华石油设备有限公司 | High-pressure manifold telescopic short joint |
| CN111927338B (en) * | 2020-07-22 | 2023-03-24 | 四川宏华石油设备有限公司 | High-pressure manifold telescopic short joint |
| CN113290311A (en) * | 2021-05-24 | 2021-08-24 | 中国船舶重工集团公司第七二五研究所 | Vacuum sealing device for local vacuum electron beam welding of metal pipe fitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20110216 Termination date: 20170819 |