CN217400843U - Low-stress high-torque-resistance double-thread drill rod joint - Google Patents
Low-stress high-torque-resistance double-thread drill rod joint Download PDFInfo
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- CN217400843U CN217400843U CN202122885457.3U CN202122885457U CN217400843U CN 217400843 U CN217400843 U CN 217400843U CN 202122885457 U CN202122885457 U CN 202122885457U CN 217400843 U CN217400843 U CN 217400843U
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- joint
- rod
- positioning rod
- thread
- torque
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Abstract
The utility model relates to a screw thread tool joint technical field just discloses a high antitorque square double thread tool joint of low stress, including first joint and second joint, the internal thread hole has been seted up to the tip of first joint, the end fixing of second joint be equipped with internal thread hole assorted external screw thread pipe, be equipped with positioning mechanism between the outside of first joint and second joint. The utility model discloses increase positioning mechanism in the outside that first joint and second connect, guaranteed first joint and second articulate's steadiness, effectively avoid appearing not hard up phenomenon.
Description
Technical Field
The utility model relates to a screw thread tool joint technical field especially relates to a high anti-torque moment of torsion double thread tool joint of low stress.
Background
Drill pipe joints used in the drilling of oil or gas wells are typically manufactured using the standards of the American Petroleum Institute (API) as established by the API.
Wherein patent number is CN200820155949.9, discloses a high antitorque square double-end screw thread tool joint of low stress, and it comprises the double-end internal thread tool joint and the double-end external thread tool joint of the high antitorque square of a pair of low stress, but in the above-mentioned scheme, after double-end internal thread tool joint and the connection of double-end external thread tool joint, the phenomenon that double-end internal thread tool joint and double-end external thread tool joint are not hard up can appear.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the double-end internal thread tool joint and the double-end external thread tool joint can become flexible among the prior art, and the high antitorque square double-end thread tool joint of low stress that provides.
In order to realize the purpose, the utility model adopts the following technical scheme:
a low-stress high-torque-resistance double-thread drill rod joint comprises a first joint and a second joint, wherein an internal thread hole is formed in the end portion of the first joint, an external thread pipe matched with the internal thread hole is fixedly arranged at the end portion of the second joint, and a positioning mechanism is arranged between the outer portions of the first joint and the second joint; the positioning mechanism comprises a first positioning rod, a second positioning rod and a connecting ring, the first positioning rod and the second positioning rod are fixedly arranged on the outer walls of the first joint and the second joint respectively, the connecting ring is sleeved on the rod walls of the first positioning rod and the second positioning rod, a bolt is arranged on the side wall thread of the connecting ring, and the end part of the bolt is abutted to the rod wall of the first positioning rod.
Preferably, a clamping groove is formed in a rod wall of the second positioning rod, and one end of the connecting ring is inserted into the clamping groove.
Preferably, the first positioning rod, the second positioning rod and the connecting ring are made of alloy materials.
Compared with the prior art, the utility model provides a high antitorque square double thread drill pipe joint of low stress possesses following beneficial effect:
1. this high antitorque square double thread tool joint of low stress connects outside first locating lever, second locating lever, go-between and the bolt through the first joint that sets up and second, can increase the steadiness behind first joint and the second articulate, avoids first joint and second to connect the phenomenon of becoming flexible to appear, this structure of implementing for positioning mechanism's the first kind.
2. This high antitorque square double thread drill pipe joint of low stress through setting up at the outside internal thread sleeve, external thread ring and the limit stop of first joint and second joint, can increase the steadiness behind first joint and the second articulate, avoids first joint and second joint not hard up phenomenon to appear, this structure of implementing for positioning mechanism's second kind.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses increase positioning mechanism in the outside that first joint and second connect, guaranteed first joint and second articulate's steadiness, effectively avoid appearing not hard up phenomenon.
Drawings
Fig. 1 is a schematic structural view of a low-stress high-torque-resistance double-thread drill pipe joint according to the present invention;
FIG. 2 is a schematic structural view of a first embodiment of a positioning mechanism in a low-stress high-torque double-thread drill pipe joint according to the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
fig. 4 is a schematic structural view of a second embodiment of a positioning mechanism in a low-stress high-torque-resistance double-thread tool joint according to the present invention;
fig. 5 is an enlarged view of a portion B of fig. 4.
In the figure: the connecting device comprises a first joint 1, a second joint 2, an internal threaded hole 3, an external threaded pipe 4, a first positioning rod 5, a second positioning rod 6, a connecting ring 7, a bolt 8, an internal threaded sleeve 9, an external threaded ring 10 and a limit stop 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1, a low-stress high-anti-torque double-thread drill pipe joint comprises a first joint 1 and a second joint 2, wherein an internal thread hole 3 is formed in the end portion of the first joint 1, an external thread pipe 4 matched with the internal thread hole 3 is fixedly arranged on the end portion of the second joint 2, threaded connection between the first joint 1 and the second joint 2 can be guaranteed, and a positioning mechanism is arranged between the outer portions of the first joint 1 and the second joint 2.
Referring to fig. 2-3, the positioning mechanism includes a first positioning rod 5, a second positioning rod 6 and a connection ring 7, the first positioning rod 5 and the second positioning rod 6 are respectively and fixedly disposed on the outer walls of the first joint 1 and the second joint 2, the connection ring 7 is sleeved on the rod walls of the first positioning rod 5 and the second positioning rod 6, the side wall threads of the connection ring 7 are provided with bolts 8, the end portions of the bolts 8 are abutted to the rod walls of the first positioning rod 5, the rod walls of the second positioning rod 5 are provided with clamping grooves, one end of the connection ring 7 is inserted into the clamping grooves, the first positioning rod 5, the second positioning rod 6 and the connection ring 7 are made of alloy materials.
The utility model discloses in, during the use, pass through internal thread hole 3 and external screw thread pipe 4 with the tip that first joint 1 and second connect 2, can connect threaded connection between 2 with first joint 1 and second, overlap go-between 7 on the pole wall of first locating lever 5 and second locating lever 6 and screw up bolt 8 again, bolt 8 can offset and stimulate go-between 7 with first locating lever 5 at the in-process of screwing up, thereby can connect 2 to play the effect of location to first joint 1 and second, effectively prevent that first joint 1 and second from connecting 2 the not hard up phenomenon of appearance.
Example 2
Referring to fig. 1, the low-stress high-torque-resistance double-thread drill pipe joint comprises a first joint 1 and a second joint 2, wherein an internal thread hole 3 is formed in the end portion of the first joint 1, an external thread pipe 4 matched with the internal thread 3 is fixedly arranged at the end portion of the second joint 2, threaded connection between the first joint 1 and the second joint 2 can be guaranteed, and a positioning mechanism is arranged between the outer portions of the first joint 1 and the second joint 2.
Referring to fig. 4-5, the positioning mechanism includes an internal thread sleeve 9 and an external thread ring 10, the side wall of the internal thread sleeve 9 is inserted into the outer wall of the second joint 2 through a through hole, the external thread ring 10 is fixedly arranged on the outer wall of the first joint 1, a thread is arranged between the internal thread sleeve 9 and the external thread ring 10, the outer wall of the internal thread sleeve 9 is provided with anti-skid lines, so that the friction resistance between the hand and the internal thread sleeve 9 can be increased, and the internal thread sleeve 9 can be conveniently screwed to rotate.
Referring to fig. 5, two limit stops 11 are symmetrically and fixedly arranged on the upper side and the lower side of the outer wall of the second joint 2, the internal thread sleeve 9 is located between the limit stops 11, and the movable position of the internal thread sleeve 9 can be limited by the limit stops 11.
The utility model discloses in, during the use, pass through internal thread hole 3 and external screw thread pipe 4 with the tip that first joint 1 and second connect 2, can connect threaded connection between 2 with first joint 1 and second, promote female socket 9 again and screw up female socket 9 screw thread on the outer wall of external screw ring 10 to can connect 2 to first joint 1 and second and play the effect of location, effectively prevent that first joint 1 and second from connecting 2 and appearing not hard up phenomenon.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. The low-stress high-torque-resistance double-thread drill rod joint comprises a first joint (1) and a second joint (2), and is characterized in that an internal thread hole (3) is formed in the end portion of the first joint (1), an external thread pipe (4) matched with the internal thread hole (3) is fixedly arranged at the end portion of the second joint (2), and a positioning mechanism is arranged between the outer portions of the first joint (1) and the second joint (2); the positioning mechanism comprises a first positioning rod (5), a second positioning rod (6) and a connecting ring (7), wherein the first positioning rod (5) and the second positioning rod (6) are fixedly arranged on the outer walls of the first joint (1) and the second joint (2) respectively, the connecting ring (7) is sleeved on the rod walls of the first positioning rod (5) and the second positioning rod (6), a bolt (8) is arranged on the side wall thread of the connecting ring (7), and the end part of the bolt (8) is abutted to the rod wall of the first positioning rod (5).
2. The low-stress high-torque-resistance double-thread drill rod joint as recited in claim 1, wherein a clamping groove is formed in the rod wall of the second positioning rod (6), and one end of the connecting ring (7) is inserted into the clamping groove.
3. The low-stress high-torque-resistance double-thread threaded drill rod joint as recited in claim 1, wherein the first positioning rod (5), the second positioning rod (6) and the connecting ring (7) are made of alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122885457.3U CN217400843U (en) | 2021-11-19 | 2021-11-19 | Low-stress high-torque-resistance double-thread drill rod joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122885457.3U CN217400843U (en) | 2021-11-19 | 2021-11-19 | Low-stress high-torque-resistance double-thread drill rod joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217400843U true CN217400843U (en) | 2022-09-09 |
Family
ID=83131583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122885457.3U Active CN217400843U (en) | 2021-11-19 | 2021-11-19 | Low-stress high-torque-resistance double-thread drill rod joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217400843U (en) |
-
2021
- 2021-11-19 CN CN202122885457.3U patent/CN217400843U/en active Active
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