CN207863885U - Hammer formula surface conductor pipe nipple - Google Patents
Hammer formula surface conductor pipe nipple Download PDFInfo
- Publication number
- CN207863885U CN207863885U CN201721348364.4U CN201721348364U CN207863885U CN 207863885 U CN207863885 U CN 207863885U CN 201721348364 U CN201721348364 U CN 201721348364U CN 207863885 U CN207863885 U CN 207863885U
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- connector
- female connector
- surface conductor
- pin end
- pipe nipple
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Abstract
The utility model offer hammers formula surface conductor pipe nipple, wherein the connector outer diameter is without protrusion, it is straightened condition, size is identical as outer tube diameter；Pin end and female connector are all made of the pipe screw thread with certain taper, thread taper 1:4~1:16；Pin end and female connector are respectively at being radially provided with shoulder structure；There is seal groove, when assembly to be sealed using O-ring seal on female connector；Female connector is designed with elevator groove 7, coordinates with elevator ring；1~4 anti-rotation device is provided in anti-rotation device slot on pin end；Advantage is：The connector outer diameter of the utility model is without protrusion, and resistance is relatively small when piling, and power is transmitted uniform between casing, quick environmental protection, cost-effective, and strength of joint high bearing capacity is strong, and product hermeticity is good；Safe with anti-rotation, connector make-up speed is fast, has a wide range of application.
Description
Technical field
The utility model is related to nipple field, more particularly, to hammering formula surface conductor pipe nipple.
Background technology
Rapidly increase recently as expanding economy oil demand amount, offshore oil drilling is carried out comprehensively, especially position
In Bohai Rim, the South Sea, the East Sea, Yangtze River Delta Area, Pearl River Delta area etc..It is extensive since eighties initial stage China
Offshore oil drilling and development.Surface conductor pipe is made of tube body and connector, it primarily serve water proof, every mud, every husky
Effect, by establishing a circulatory system, prevents from polluting marine environment；Next accomplishes that well casing is protected smoothly to bore
Into, it is ensured that project progress.Surface conductor pipe demand in drilling engineering is huge, and the design of its connector, manufacturing technology always by
European and American developed countries are monopolized.Such product basic source that the country uses is caused in import to the development of China Petroleum
Prodigious obstacle.
Invention content
The purpose of this utility model is that solve the deficiencies in the prior art, and offer hammers formula surface conductor pipe screw thread and connects
Head.
The new technical solution of the utility model is：Hammer formula surface conductor pipe nipple, including female connector, pin end, close
Seal, anti-rotation device, thread, elevator groove, seal groove, connector outer diameter are straightened condition, size and outer tube diameter without protrusion
It is identical；Pin end and female connector are all made of the pipe screw thread with certain taper, thread taper 1:4~1:16；Pin end and mother
Connector is respectively at being radially provided with shoulder structure；There is seal groove, when assembly to be sealed using O-ring seal on female connector；It is female
Connector is designed with elevator groove 7, coordinates with elevator ring；1~4 anti-rotation device is provided in anti-rotation device slot on pin end.
The thread taper most preferably 1:8.
The joint screw thread tooth uses nonstandard saw-tooth thread tooth, loading end and the connector longitudinal axis of thread to have one
Fixed angle, angular range are -7 °~7 °, and non-bearing face and connector longitudinal axis angle are 45 °, with -3 °/45 ° and -7 °/45 °
Two kinds are best.
The connector cooperation rear thread tooth loading end is closely together in negative angle.
The elevator groove loading end has certain angle, non-bearing face and connector radial axle wire clamp with connector longitudinal axis
Angle is 45 °.
The pin end and female connector open end, which is both provided with, draws button slope, and pin end and female connector are both provided with more
Threaded line, threaded line quantity is 1~4, using double thread or four head threads.
The joint screw thread tooth form screw pitch is 3 teeth/inch or 2 teeth/inch, a height of 3~6mm of tooth form tooth.
Radial shoulder, radial end face and axial metal covering distinguish mechanical seal after the pin and box sub assembly cooperation, female
The sealing channel opening of connector is designed with the oblique angle for preventing sealing ring from falling off, and inclined-plane and longitudinal axis angle are 0 °~25 °, usually selects
With 15 ° of angles.
The sealing ring is O-ring seal, and material is nitrile rubber, hydrogenated nitrile-butadiene rubber, fluorubber, fluosilicic rubber
Deng.
The joint elevator slot is usually two kinds of single slot and double flute, and more excellent with double flute, elevator groove is trapezium structure, elevator
It is 0 °~5 ° that slot loading end and connector longitudinal axis, which have certain angle, angular range, usually selects 3 ° of angles, non-bearing face with
Connector longitudinal axis angle is 45 °.
The surface conductor pipe tube body uses pipe line steel such as X52, X56 and other materials by rolling, pin end and mother
Connector uses material for 20MnV, 30CrMo, 20Mn2 and other material forging, and forging reaches required use through Overheating Treatment
Performance.
The connector outer diameter diameter range is Φ 406mm~Φ 914mm, common size Φ 508mm, Φ 559mm, Φ
610mm、Φ660mm、Φ762mm、Φ914mm。
The beneficial effects of the utility model are：The connector outer diameter of the present invention is without protrusion, and resistance is relatively small when piling, casing
Between power transmit uniform, quick environmental protection, cost-effective, strength of joint high bearing capacity is strong, and product hermeticity is good；With anti-rotation
Property, safe, connector make-up speed is fast, has a wide range of application.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of female connector.
Fig. 3 is the structural schematic diagram of pin end.
Fig. 4 is thread cooperation figure.
Fig. 5 is elevator slot structure schematic diagram.
Fig. 6 is seal groove structure schematic diagram.
Fig. 7 is to draw button ramp structure schematic diagram.
Fig. 8 be Fig. 3 in A to partial view.
Fig. 9 is anti-rotation device structural schematic diagram.
Wherein：1 it is tube body, 2 be female connector, 3 be pin end, 4 be sealing ring, 5 be anti-rotation device, 6 be thread, 7 is
Elevator groove, 8 be seal groove, 9 be axial metal covering, 10 be pipe screw thread, 11 be radial end face, 12 to draw button slope, 13 be radial
Shoulder, 14 are anti-rotation device slot.
Specific implementation mode
Make the explanation under to the utility model below in conjunction with the accompanying drawings.
Hammer formula surface conductor pipe nipple, including female connector 2, pin end 3, sealing ring 4, anti-rotation device 5, thread 6,
Elevator groove 7, seal groove 8, connector outer diameter are straightened condition without protrusion, and size is identical as 1 outer diameter of tube body；Pin end 3 and mother connect
First 2 are all made of the pipe screw thread 10 with certain taper, thread taper 1:4~1:16；Pin end 3 and female connector 2 are respectively at diameter
To equipped with shoulder structure；There is seal groove 8, when assembly to be sealed using O-ring seal 4 on female connector 2；Female connector 2 designs
There is elevator groove 7, coordinates with elevator ring；1~4 anti-rotation device 5 is provided in anti-rotation device slot 14 on pin end 3.
The thread taper most preferably 1:8.
The joint screw thread tooth 6 uses nonstandard saw-tooth thread tooth, and loading end and the connector longitudinal axis of thread 6 have
Certain angle, angular range are -7 °~7 °, and non-bearing face and connector longitudinal axis angle are 45 °, with -3 °/45 ° and -7 °/
45 ° two kinds are best.
The connector cooperation rear thread tooth loading end is closely together in negative angle.
7 loading end of elevator groove has certain angle, non-bearing face and connector longitudinal axis with connector longitudinal axis
Angle is 45 °.
The pin end 3 and 2 open end of female connector, which is both provided with, draws button slope 12, and pin end 3 and female connector 2 are all provided with
It is equipped with a plurality of threaded line, threaded line quantity is 1~4, using double thread or four head threads.
The joint screw thread tooth form screw pitch is 3 teeth/inch or 2 teeth/inch, a height of 3~6mm of tooth form tooth.
Machinery is close respectively for radial shoulder 13, radial end face 11 and axial metal covering 9 after the assembly cooperation of pin and box sub 2
The opening of seal groove 8 of envelope, female connector 2 is designed with the oblique angle for preventing sealing ring 4 from falling off, and inclined-plane and longitudinal axis angle be 0 °~
25 °, usually select 15 ° of angles.
The sealing ring 4 is O-ring seal, and material is nitrile rubber, hydrogenated nitrile-butadiene rubber, fluorubber, fluosilicic rubber
Deng.
The joint elevator slot 7 is usually two kinds of single slot and double flute, and more excellent with double flute, elevator groove 7 is trapezium structure, is hung
It is 0 °~5 ° that 7 loading end of card slot has certain angle, angular range with connector longitudinal axis, usually selects 3 ° of angles, non-bearing
Face and connector longitudinal axis angle are 45 °.
The surface conductor pipe tube body 1 is using pipe line steel such as X52, X56 and other materials by rolling, 3 He of pin end
Female connector 2 uses material for 20MnV, 30CrMo, 20Mn2 and other material forging, and forging reaches required through Overheating Treatment
Performance.
The connector outer diameter diameter range is Φ 406mm~Φ 914mm, common size Φ 508mm, Φ 559mm, Φ
610mm、Φ660mm、Φ762mm、Φ914mm。
Claims (9)
1. hammering formula surface conductor pipe nipple, including female connector（2）, pin end（3）, sealing ring（4）, anti-rotation device（5）, spiral shell
Line tooth（6）, elevator groove（7）, seal groove（8）, it is characterised in that:Connector outer diameter is straightened condition, size and tube body without protrusion
（1）Outer diameter is identical；Pin end（3）And female connector（2）It is all made of the pipe screw thread with certain taper（10）, thread taper 1:4
~1:16；Pin end（3）And female connector（2）It is respectively equipped with radial shoulder（13）, radial end face（11）With axial metal covering（9）,
The radial shoulder（13）, radial end face（11）With axial metal covering（9）Mechanical seal respectively；The pin end（3）With
Female connector（2）Open end, which is both provided with, draws button slope（12）, pin end（3）And female connector（2）It is both provided with a plurality of threaded line,
Threaded line quantity is 1~4；Female connector（2）It is upper that there is seal groove（8）, the seal groove（8）Opening be designed with prevent it is close
Seal（4）The oblique angle to fall off, inclined-plane and longitudinal axis angle are 0 °~25 °, and sealing ring is used when seal groove assembles（4）It carries out close
Envelope；Female connector（2）It is designed with elevator groove（7）, the elevator groove（7）For two kinds of single slot and double flute, elevator groove（7）For trapezoidal knot
Structure, the elevator groove coordinate with elevator ring；Pin end（3）On anti-rotation device slot（14）Inside it is provided with anti-rotation device（5）.
2. according to claim 1 hammer formula surface conductor pipe nipple, it is characterised in that：The anti-rotation device（5）
It is 1~4.
3. according to claim 1 hammer formula surface conductor pipe nipple, it is characterised in that：The thread（6）It adopts
With nonstandard saw-tooth thread tooth, thread（6）Loading end and connector longitudinal axis angular range be -7 °~7 °, non-bearing face
It it is 45 ° with connector longitudinal axis angle.
4. according to claim 1 hammer formula surface conductor pipe nipple, it is characterised in that：The thread loading end
It is closely together in negative angle.
5. according to claim 1 hammer formula surface conductor pipe nipple, it is characterised in that：The thread screw pitch is
3 teeth/inch or 2 teeth/inch, a height of 3~6mm of tooth form tooth.
6. according to claim 1 hammer formula surface conductor pipe nipple, it is characterised in that：The sealing ring（4）For O
Type, material are nitrile rubber, hydrogenated nitrile-butadiene rubber, fluorubber or fluosilicic rubber.
7. according to claim 1 hammer formula surface conductor pipe nipple, it is characterised in that：The elevator groove（7）It holds
Section and connector longitudinal axis angle are 0 °~5 °, and non-bearing face and connector longitudinal axis angle are 45 °.
8. according to claim 1 hammer formula surface conductor pipe nipple, it is characterised in that：The tube body（1）Using
By the pipe line steel of rolling, pin end（3）And female connector（2）Material is 20MnV, 30CrMo or 20Mn2, and forging is through Overheating Treatment
Reach required performance.
9. according to claim 1 hammer formula surface conductor pipe nipple, it is characterised in that：The pin end（3）With
Female connector（2）Outer diameter is Φ 406mm~Φ 914mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721348364.4U CN207863885U (en) | 2017-10-19 | 2017-10-19 | Hammer formula surface conductor pipe nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721348364.4U CN207863885U (en) | 2017-10-19 | 2017-10-19 | Hammer formula surface conductor pipe nipple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207863885U true CN207863885U (en) | 2018-09-14 |
Family
ID=63475434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721348364.4U Active CN207863885U (en) | 2017-10-19 | 2017-10-19 | Hammer formula surface conductor pipe nipple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207863885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605412A (en) * | 2017-10-19 | 2018-01-19 | 山东祺龙海洋石油钢管股份有限公司 | Hammer formula surface conductor pipe nipple |
-
2017
- 2017-10-19 CN CN201721348364.4U patent/CN207863885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605412A (en) * | 2017-10-19 | 2018-01-19 | 山东祺龙海洋石油钢管股份有限公司 | Hammer formula surface conductor pipe nipple |
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