CN211777250U - High-torsion-resistance and high-toughness drill rod joint - Google Patents
High-torsion-resistance and high-toughness drill rod joint Download PDFInfo
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- CN211777250U CN211777250U CN202020355357.2U CN202020355357U CN211777250U CN 211777250 U CN211777250 U CN 211777250U CN 202020355357 U CN202020355357 U CN 202020355357U CN 211777250 U CN211777250 U CN 211777250U
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- thread section
- tool joint
- screw thread
- internal thread
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Abstract
The utility model relates to a tool joint field discloses high antitorque high tenacity tool joint, including pipy tool joint body, the both ends of tool joint body are A end and B end respectively, the A end sets up interior screw thread section, the B end sets up interior screw thread section or external screw thread section, interior screw thread section with the external screw thread section is the awl screw thread, the deepest of the interior screw thread section that the A end set up sets up the terminal surface of stair structure, the periphery of tool joint body sets up a plurality of incisions, and the periphery circumference evenly distributed of tool joint body is followed to a plurality of incisions. The utility model has the advantages of reasonable design, when connecting the use, improved antitorque performance, and adopt to contain the cobalt steel and make, toughness is also high, is suitable for and uses widely.
Description
Technical Field
The utility model relates to a tool joint field, concretely relates to high antitorque high tenacity tool joint.
Background
The drill rod joint is a threaded joint for connecting drill rods, and during drilling, the drill rod joint and the drill rods both rotate and transmit and bear large torque load, so that the requirement on the torsional performance of the drill rod joint is high. In the conventional drill rod joint, as shown in fig. 1, the joint of the internal thread and the external thread lacks support, and the joint completely depends on the torsion of the threads, so that the torsion resistance of the drill rod joint is limited.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of background art, the utility model provides a high antitorque high tenacity tool joint, the problem of solution is among the prior art, tool joint's antitorque performance is lower.
For solving the technical problem, the utility model provides a following technical scheme:
high antitorque high tenacity tool joint, including pipy tool joint body, the both ends of tool joint body are A end and B end respectively, the A end sets up internal thread section, the B end sets up internal thread section or external screw thread section, internal thread section with the external screw thread section is the awl screw thread, the deepest of the internal thread section that the A end set up sets up the terminal surface of stair structure, the periphery of tool joint body sets up a plurality of incisions, and the periphery circumference evenly distributed of tool joint body is followed to a plurality of incisions.
Preferably, the B end is provided with an internal thread section, and the deepest part of the internal thread at the A end is connected with the deepest part of the internal thread at the B end.
Preferably, the B end is provided with an external thread section, and the length of the external thread section of the B end is matched with that of the internal thread section of the A end.
Preferably, the drill pipe joint body is made of cobalt-containing steel, so that the toughness of the drill pipe joint is improved.
When the drill rod joint is used, when one drill rod joint is connected with a drill rod or another drill rod joint, the internal thread section is connected with the external thread section, the internal thread section is screwed in place, the end face of the internal thread section abuts against the end face of the step structure, the end face of the external thread section abuts against the end face of the drill rod or another drill rod joint, the end faces of the thread, the step structure and the drill rod joint bear at the same time, the bearing surface is increased, and the torsion resistance is greatly improved.
The utility model discloses with prior art's beneficial effect: structural design is reasonable, connects when using, has improved the antitorque property, and adopts and to contain the cobalt steel and make, and toughness is also high, is suitable for using widely.
Drawings
The utility model discloses there is following figure:
fig. 1 is a first schematic diagram of the present invention;
FIG. 2 is a second schematic view of the present invention;
fig. 3 is a third schematic view of the present invention;
fig. 4 is a schematic connection diagram of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 and 2, the high-torsion-resistance and high-toughness drill rod joint comprises a tubular drill rod joint body 1, wherein the two ends of the drill rod joint body 1 are respectively an end a 2 and an end B3, the end a 2 is provided with an internal thread section 4, the end B3 is provided with an internal thread section 4 or an external thread section 5, the internal thread section 4 and the external thread section 5 are both conical threads, the deepest part of the internal thread section 4 arranged at the end a 2 is provided with an end surface 6 with a step structure, the periphery of the drill rod joint body 1 is provided with a plurality of notches 7, and the plurality of notches 7 are uniformly distributed along the peripheral circumference of the drill rod joint body 1.
As shown in FIG. 3, the length of the internal thread is controlled, and the B end 3 is designed to be provided with an internal thread section 4, the deepest part of the internal thread section 4 of the A end 2 is connected with the deepest part of the internal thread section 4 of the B end 3, so that after the drill rods at the two ends are connected, the external thread end faces of the two drill rods abut against each other to bear torsion.
In addition, the B end 3 is provided with an external thread section 5, and the length of the external thread section 5 of the B end 3 is matched with that of the internal thread section 4 of the A end 2.
In addition, the drill rod joint body 1 is made of cobalt-containing steel, so that the toughness of the drill rod joint is improved.
As shown in figure 4, when one drill rod joint is connected with a drill rod or another drill rod joint, the internal thread section is connected with the external thread section, the internal thread section is screwed in place, the end face of the internal thread section abuts against the end face of the step structure, the end face of the external thread section abuts against the end face of the drill rod or another drill rod joint, the threads, the end face of the step structure and the end face of the drill rod joint bear the load simultaneously, the bearing surface is increased, and the torsion resistance is greatly improved.
The utility model has the advantages of reasonable design, when connecting the use, improved antitorque performance, and adopt to contain the cobalt steel and make, toughness is also high, is suitable for and uses widely.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. High antitorque high tenacity tool joint, its characterized in that: including pipy tool joint body, the both ends of tool joint body are A end and B end respectively, the A end sets up internal thread section, the B end sets up internal thread section or external screw thread section, internal thread section with the external screw thread section is the awl screw thread, the deepest of the internal thread section that the A end set up sets up the terminal surface of stair structure, the periphery of tool joint body sets up a plurality of incisions, and the periphery circumference evenly distributed of tool joint body is followed to a plurality of incisions.
2. The highly torsional high toughness drill pipe joint of claim 1, wherein: the B end is provided with internal threads, and the deepest part of the internal thread section of the A end is connected with the deepest part of the internal thread section of the B end.
3. The highly torsional high toughness drill pipe joint of claim 1, wherein: the B end is provided with an external thread section, and the length of the external thread section of the B end is matched with that of the internal thread section of the A end.
4. The highly torsional high toughness drill pipe joint of claim 1, wherein: the tool joint body is made of cobalt-containing steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020355357.2U CN211777250U (en) | 2020-03-19 | 2020-03-19 | High-torsion-resistance and high-toughness drill rod joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020355357.2U CN211777250U (en) | 2020-03-19 | 2020-03-19 | High-torsion-resistance and high-toughness drill rod joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777250U true CN211777250U (en) | 2020-10-27 |
Family
ID=72932347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020355357.2U Active CN211777250U (en) | 2020-03-19 | 2020-03-19 | High-torsion-resistance and high-toughness drill rod joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211777250U (en) |
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2020
- 2020-03-19 CN CN202020355357.2U patent/CN211777250U/en active Active
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