CN105041233A - Bilayer-thread quick connecting device - Google Patents
Bilayer-thread quick connecting device Download PDFInfo
- Publication number
- CN105041233A CN105041233A CN201510463028.3A CN201510463028A CN105041233A CN 105041233 A CN105041233 A CN 105041233A CN 201510463028 A CN201510463028 A CN 201510463028A CN 105041233 A CN105041233 A CN 105041233A
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- Prior art keywords
- male joint
- thread
- screw thread
- connection
- double
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Abstract
A bilayer-thread quick connecting device comprises a female joint and a male joint. The female joint is divided into an inner connector I and an outer connector II, each of the inner connector I and the outer connector II is of a tubular structure, the inner connector I and the outer connector II are in screw-thread fit connection, an annular groove is formed in the female joint after the inner connector I and the outer connector II are assembled, threads are formed in two sides in the annular groove and matched with a thread of the male joint, a locking groove and a locking block fixing screw hole are formed in the male joint, and a locking block is fixed at the tail end, matched with the male joint, of the outer connector II by a locking block fixing screw. The bilayer-thread quick connecting device has the advantages that working efficiency is improved; compared with identical-tooth-form single-layer threads, the bilayer-thread quick connecting device allows high-strength and firm connection, is higher in safety in use and ensures safety in production and construction.
Description
Technical field
The invention belongs to Yu Haiyang and land drilling engineering, particularly relate to Double-layer threaded Quick Connect Kit.
Background technology
China's Marine oil and gas resource enriches, along with the fast development of China's offshore oil, offshore petroleum rig engineering is in full swing, and the marine site of oil-gas exploration and development is in continuous expansion, the depth of water is in continuous increase, and the sea conditions such as Bohai Bay, South China Sea, Area of The East China Sea are complicated.The requirement more and more diversification of marine drilling.The connection of domestic waterproof casing string mostly is clamping hoop type, breechblock formula, and these two kinds of modes are applicable to the Bohai Sea Gulf that water is shallow, sea situation is good.The East Sea and South China Sea oil-gas mining difficulty are large, and the depth of water, sea situation are complicated and changeable, and to the bonding strength of pipe series winding connection device, the indexs such as stable, pressure, corrosion have strict demand, during the petrol resources exploitation of territory, deep-sea, and well casing more than 90% dependence on import used.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art and Double-layer threaded Quick Connect Kit is provided.
Technical scheme of the present invention is: Double-layer threaded Quick Connect Kit, comprise female joint and male joint, female joint is divided into interior connection I and outer connection II, interior connection I and outer connection II are tubular structure, interior connection I is connected with outer connection II threaded engagement, interior connection I with outer be connected II assemble after female joint form annular groove, in annular groove, both sides are provided with screw thread, with male joint threaded engagement, male joint has locking slot and latch segment fixing screw hole, latch segment is fixed on outer connection II and male joint mated ends by latch segment hold-down screw.
Interior connection I is connected II and connects top with outer and be provided with 15o slope.
Interior connection I is symmetric trapezium screw thread with outer II screw thread coordinated that is connected.
Screw thread in female joint annular groove and the screw thread of male joint are four head threads, and thread taper is 1:4----1:2, are set to 1/4---3/4 circle tighten or 9/4---, and 11/4 circle tightens.
Screw thread in female joint annular groove and the screw thread of male joint are buttless thread.
Interior connection I with outer be connected II between have thread sealing grease.
In described annular groove, both sides are equipped with seal groove, corresponding with two seal grooves of male joint screw tip.
Compared with prior art, advantage of the present invention is: increase work efficiency; Compare same profile of tooth individual layer screw thread, high strength can be reached and firmly connect, use safer, also ensure production and construction safety simultaneously.
Accompanying drawing explanation
Fig. 1 is general assembly drawing of the present invention;
Fig. 2 connects I structural representation in female joint of the present invention;
Fig. 3 is that female joint of the present invention connects II structural representation outward;
Fig. 4 is female joint structural representation of the present invention;
Fig. 5 is male joint structural representation of the present invention;
Fig. 6 is tooth pitch helicitic texture schematic diagram of the present invention;
Fig. 7 is trapezoidal thread structural representation of the present invention;
Wherein: 1 be interior connection I, 2 be outer connection II, 3 is sealing ring, and 4 is latch segment, and 5 is latch segment hold-down screw, and 6 is male joint, and 7 is trapezoidal thread, and 8 is buttless thread, and 9 is seal groove, and 10 is locking slot, and 11 is latch segment fixing screw hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Double-layer threaded Quick Connect Kit, comprise female joint and male joint 6, female joint is divided into interior connection I 1 and outer connection II 2, interior connection I 1 and outer connection II 2 are tubular structure, interior connection I 1 is connected with outer connection II 2 threaded engagement, interior connection I 1 with outer be connected II 2 assemble after female joint form annular groove, in annular groove, both sides are provided with screw thread, with male joint 6 threaded engagement, male joint 6 has locking slot 10 and latch segment fixing screw hole 11, latch segment 4 is fixed on outer connection II 2 and male joint 6 mated ends by latch segment hold-down screw 5.
Interior connection I 1 is connected II 2 and connects top with outer and be provided with 15o slope.
Interior connection I 1 is symmetric trapezium screw thread 7 with outer II 2 screw threads coordinated that are connected.
The screw thread of the screw thread in female joint annular groove and male joint 6 is four head threads, and thread taper is 1:4----1:2, is set to 1/4---3/4 circle tighten or 9/4---, and 11/4 circle tightens.
The screw thread of the screw thread in female joint annular groove and male joint 6 is buttless thread 8.
Interior connection I 1 with outer be connected II 2 between have thread sealing grease.
In described annular groove, both sides are equipped with seal groove 9, corresponding with two seal grooves 9 of male joint 6 screw tip.
Claims (7)
1. Double-layer threaded Quick Connect Kit, comprise female joint and male joint, it is characterized in that: female joint is divided into interior connection I and outer connection II, interior connection I and outer connection II are tubular structure, interior connection I is connected with outer connection II threaded engagement, interior connection I with outer be connected II assemble after female joint form annular groove, in annular groove, both sides are provided with screw thread, with male joint threaded engagement, male joint has locking slot and latch segment fixing screw hole, latch segment is fixed on outer connection II and male joint mated ends by latch segment hold-down screw.
2. Double-layer threaded Quick Connect Kit according to claim 1, is characterized in that: interior connection I is connected II and connects top with outer and be provided with 15o slope.
3. Double-layer threaded Quick Connect Kit according to claim 1, is characterized in that: interior connection I is symmetric trapezium screw thread with outer II screw thread coordinated that is connected.
4. Double-layer threaded Quick Connect Kit according to claim 1, it is characterized in that: the screw thread in female joint annular groove and the screw thread of male joint are four head threads, and thread taper is 1:4----1:2, be set to 1/4---3/4 circle tighten or 9/4---11/4 circle tighten.
5. Double-layer threaded Quick Connect Kit according to claim 1, is characterized in that: the screw thread in female joint annular groove and the screw thread of male joint are buttless thread.
6. Double-layer threaded Quick Connect Kit according to claim 1, is characterized in that: interior connection I with outer be connected II between have thread sealing grease.
7. Double-layer threaded Quick Connect Kit according to claim 1, is characterized in that: in described annular groove, both sides are equipped with seal groove, corresponding with two seal grooves of male joint screw tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510463028.3A CN105041233A (en) | 2015-08-01 | 2015-08-01 | Bilayer-thread quick connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510463028.3A CN105041233A (en) | 2015-08-01 | 2015-08-01 | Bilayer-thread quick connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105041233A true CN105041233A (en) | 2015-11-11 |
Family
ID=54448156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510463028.3A Pending CN105041233A (en) | 2015-08-01 | 2015-08-01 | Bilayer-thread quick connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105041233A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285508A (en) * | 2016-10-20 | 2017-01-04 | 西南石油大学 | A kind of sucker rod double thread anti-drop device |
| CN112504007A (en) * | 2020-11-27 | 2021-03-16 | 河北燕兴机械有限公司 | Latch body gas-closing structure for recoilless gun |
-
2015
- 2015-08-01 CN CN201510463028.3A patent/CN105041233A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285508A (en) * | 2016-10-20 | 2017-01-04 | 西南石油大学 | A kind of sucker rod double thread anti-drop device |
| CN112504007A (en) * | 2020-11-27 | 2021-03-16 | 河北燕兴机械有限公司 | Latch body gas-closing structure for recoilless gun |
| CN112504007B (en) * | 2020-11-27 | 2022-08-16 | 河北燕兴机械有限公司 | Latch body gas-closing structure for recoilless gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151111 |