CN211448550U - Oil extraction drill rod joint convenient to disassemble - Google Patents
Oil extraction drill rod joint convenient to disassemble Download PDFInfo
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- CN211448550U CN211448550U CN202020051654.8U CN202020051654U CN211448550U CN 211448550 U CN211448550 U CN 211448550U CN 202020051654 U CN202020051654 U CN 202020051654U CN 211448550 U CN211448550 U CN 211448550U
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Abstract
The utility model discloses an oil recovery drilling rod joint of convenient dismantlement, concretely relates to drilling rod connection technical field, including the male joint, female joint has been cup jointed to one side of male joint, one side setting that male joint and female joint are close to each other is provided with internal thread pipe and overcoat screwed pipe respectively, the outside of internal thread pipe and the inside of overcoat screwed pipe all are provided with the screw thread of mutually supporting, the outside of internal thread pipe is located to the overcoat screwed pipe cover, the top of female joint is provided with the lubricated mechanism of oil storage, male joint and female joint complex port department are provided with antitorque commentaries on classics mechanism. The utility model discloses a set up the oil storage storehouse at the male joint top to press the oil board at the inside screw thread cup joint of oil storage storehouse, when rotating to press the oil board, can compress the lubricating oil in the oil storage storehouse and get into to the threaded connection face of internal thread pipe and overcoat screwed pipe and lubricate through leading the oil groove, thereby make things convenient for the dismantlement that connects, improved the convenience that the joint used.
Description
Technical Field
The utility model relates to a drilling rod connection technical field, more specifically say, the utility model relates to a convenient oil recovery drilling rod joint of dismantling.
Background
At present, an oil drill pipe is used for drilling an oil well, the drill pipe is a basic component of a drill string, the drill pipe belongs to an easy-to-wear non-replaceable industrial product and is an important component and a loss part of the drill string of the drilling well of an oil-gas field, and therefore, in order to facilitate replacement and installation, a corresponding connector needs to be designed to be installed in a matched mode.
The utility model patent of patent application publication No. CN201198739Y discloses an oil drill pipe joint with higher torsional strength. The taper pipe torque converter comprises an internal thread piece and an external thread piece, wherein a taper pipe internal thread and an end face shoulder are processed on the internal thread piece, a taper pipe external thread and a torque shoulder are processed on the external thread piece, the external thread is a standard API thread, and the thread pitch is a standard thread pitch; the thread pitch of the internal thread is divided into two sections, the section close to the shoulder of the end face has a length L along the axial direction inwards, and the thread pitch of the section is gradually narrowed from outside to inside. The technical problems that most of load is borne by a plurality of threads close to a shoulder, and the load borne by a screwing thread far away from the shoulder is very limited in the conventional structure are mainly solved, the stress distribution of the whole joint is greatly worsened, and the torsion resistance of a drill rod joint is greatly reduced.
However, in practical use, there still exist many disadvantages, such as that after the drill rod works for a long time, due to the influence of the torque on the drill rod, the threaded fit at the joint is tighter, which results in inconvenient disassembly and replacement of the drill rod.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a convenient oil recovery drilling rod joint of dismantling, through set up the oil storage storehouse at the box joint top, the oil groove is led in the setting of overcoat screwed pipe top, and the pressure oil board is cup jointed at the inside screw thread of oil storage storehouse, when rotating to press the oil board, lubricating oil in can compressing the oil storage storehouse enters into the threaded connection face of inscription screwed pipe and overcoat screwed pipe and lubricates through leading the oil groove, thereby make things convenient for the dismantlement of joint, also can prevent the screw corrosion simultaneously, the rethread sets up the skewed tooth piece in the cooperation terminal surface department of pin joint and overcoat screwed pipe, rotation for between pin joint and the overcoat screwed pipe provides a holding power, avoid the screw thread to bear the torque for a long time and damage, in order to solve the problem that proposes among.
In order to achieve the above object, the utility model provides a following technical scheme: an oil extraction drill rod joint convenient to disassemble comprises a male joint, wherein a female joint is sleeved on one side of the male joint, an internal threaded pipe and an external threaded pipe are respectively arranged on one side, close to the male joint, of the female joint, the external part of the internal threaded pipe and the internal part of the external threaded pipe are respectively provided with threads matched with each other, the external part of the internal threaded pipe is sleeved with the external threaded pipe, an oil storage lubricating mechanism is arranged at the top of the female joint, and an anti-torsion mechanism is arranged at the port part, matched with the female joint, of the male joint;
the oil storage lubricating mechanism comprises an oil storage bin, the oil storage bin is arranged at the top of one side, away from the male connector, of the female connector, an oil pressing plate is sleeved inside the oil storage bin, an oil guide groove parallel to the axis of the outer sleeve threaded pipe is formed in one side, located at the oil storage bin, of the top of the outer sleeve threaded pipe, one end, away from the male connector, of the oil guide groove penetrates through the inside of the oil storage bin, an oil outlet hole is formed in the bottom of the oil guide groove, the oil outlet hole penetrates through the bottom of the outer sleeve threaded pipe and extends to the outside of the inner sleeve threaded pipe, and a groove sealing plate is fixedly sleeved inside the oil guide groove;
the anti-torsion mechanism comprises an oblique tooth block, the axial cross section of the oblique tooth block is in an oblique trapezoid shape, the external matching end faces of the male connector and the outer sleeve threaded pipe are provided with corresponding oblique tooth blocks, and the oblique tooth blocks are respectively and uniformly distributed on the circumferential sides of the matching end faces of the male connector and the outer sleeve threaded pipe.
In a preferred embodiment, the external shape of the internally threaded pipe is a circular truncated cone, the outer diameter of the end, close to the female joint, of the internally threaded pipe is smaller than the outer diameter of the end, close to the male joint, of the internally threaded pipe, the internal shape of the externally threaded pipe is also a circular truncated cone, and the internal thread surface of the externally threaded pipe is attached to the external thread surface of the internally threaded pipe.
In a preferred embodiment, the inner wall of the oil storage bin is provided with a thread, the circumferential side of the pressure oil plate is provided with a thread matched with the inner wall of the oil storage bin, and one end of the groove sealing plate matched with the oil storage bin is also provided with a thread corresponding to the inner wall of the oil storage bin.
In a preferred embodiment, the distance between the bottom of the groove sealing plate and the bottom of the inner cavity of the oil guide groove is 1 mm.
In a preferred embodiment, a counter bore is formed in one side, away from the female joint, of the top of the outer sleeve threaded pipe, a buckling plate screw is sleeved on the inner thread of the counter bore, a screw head is arranged at the top of the buckling plate screw, a protruding block is arranged at one end, close to the buckling plate screw, of the groove sealing plate, and the top of the protruding block of the groove sealing plate is attached to the edge of the bottom of the screw head of the buckling plate screw.
In a preferred embodiment, the top of the pressure oil plate and the top of the screw head of the pinch plate screw are provided with flat head grooves.
In a preferred embodiment, the outer circumferential side of the male connector and the outer circumferential side of the female connector are provided with anti-slip grooves.
In a preferred embodiment, a sealing groove is formed in the female joint corresponding to the inner mating end of the internally threaded pipe, and a sealing ring is sleeved inside the sealing groove.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up the oil storage storehouse at female joint top, overcoat screwed pipe top sets up leads the oil groove, and the screw thread cup joints pressure oil board in the oil storage storehouse, when rotating to press oil board, can compress the lubricating oil in the oil storage storehouse and enter into the threaded connection face of inscription screwed pipe and overcoat screwed pipe and lubricate through leading the oil groove, thereby make things convenient for the dismantlement of joint, also can prevent the screw corrosion simultaneously, improved the convenience and the security that the joint used;
2. the utility model provides a supporting force for the rotation between the male joint and the outer sleeve threaded pipe by arranging the skewed tooth block at the matching end surface of the male joint and the outer sleeve threaded pipe and utilizing the right-angle end surface effect of the skewed tooth block, thereby avoiding the damage of the thread caused by bearing the torque for a long time and greatly prolonging the service life of the joint;
3. the utility model discloses an offer the seal groove in the inside fitting end face department of internal thread pipe and female joint to establish the sealing washer at the inside cover of seal groove, can effectually prevent the leakage of oil in the drilling rod, improved the leakproofness that connects.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a partial enlarged view of a portion a in fig. 1 according to the present invention.
Fig. 4 is a partial enlarged view of the point B in fig. 1 according to the present invention.
Fig. 5 is a schematic structural view of the male connector of the present invention.
The reference signs are: 1 male joint, 2 internally-connected threaded pipes, 3 externally-sleeved threaded pipes, 4 sealing rings, 5 female joints, 6 oil storage bins, 7 oil pressing plates, 8 groove sealing plates, 9 oil guide grooves, 10 buckle plate screws, 11 anti-skidding grooves, 12 inclined tooth blocks, 13 flat head grooves, 14 sealing grooves, 15 counter bores and 16 oil outlet holes.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model relates to an oil recovery drilling rod joint, can include male joint 1, female joint 5 has been cup jointed to one side of male joint 1, male joint 1 and female joint 5 one side setting that is close to each other are provided with inscription screwed pipe 2 and overcoat screwed pipe 3 respectively, the outside of inscription screwed pipe 2 and the inside of overcoat screwed pipe 3 all are provided with the screw thread of mutually supporting, the outside of inscription screwed pipe 2 is located to 3 covers of overcoat screwed pipe, female joint 5's top is provided with the lubricated mechanism of oil storage, male joint 1 is provided with antitorque commentaries on classics mechanism with female joint 5 complex port department.
Referring to the attached drawings 1-5 of the specification, the oil storage lubrication mechanism of the oil extraction drill rod joint of the embodiment includes an oil storage bin 6, the oil storage bin 6 is arranged at the top of one side, far away from the male joint 1, of the female joint 5, an oil pressing plate 7 is sleeved inside the oil storage bin 6, an oil guide groove 9 parallel to the axis of the outer sleeve threaded pipe 3 is formed in one side, located at the oil storage bin 6, of the top of the outer sleeve threaded pipe 3, one end, far away from the male joint 1, of the oil guide groove 9 penetrates through the inside of the oil storage bin 6, an oil outlet 16 is formed in the bottom of the oil guide groove 9, the oil outlet 16 penetrates through the bottom of the outer sleeve threaded pipe 3 and extends to the outside of the inner connected threaded pipe 2, and a groove sealing plate 8 is fixedly sleeved inside the oil.
Further, the outside shape of inscription screwed pipe 2 is the round platform form, the excircle diameter that inscription screwed pipe 2 is close to 5 one ends of female joint is less than the excircle diameter that inscription screwed pipe 2 is close to 1 one end of male joint, the internal shape of overcoat screwed pipe 3 also is the round platform form, just the internal thread face of overcoat screwed pipe 3 laminates with the external thread face of inscription screwed pipe 2.
Furthermore, the inner wall of the oil storage bin 6 is provided with threads, the circumferential side of the pressure oil plate 7 is provided with threads matched with the inner wall of the oil storage bin 6, and one end, matched with the oil storage bin 6, of the groove sealing plate 8 is also provided with threads corresponding to the inner wall of the oil storage bin 6.
Further, the distance between the bottom of the groove sealing plate 8 and the bottom of the inner cavity of the oil guide groove 9 is 1 mm.
Further, the top of the outer sleeve threaded pipe 3 is located one side of the oil guide groove 9 far away from the female joint 5 and is provided with a counter bore 15, a buckle plate screw 10 is sleeved on the internal thread of the counter bore 15, the top of the buckle plate screw 10 is provided with a screw head, one end of the groove sealing plate 8 close to the buckle plate screw 10 is provided with a convex block, and the top of the convex block of the groove sealing plate 8 is attached to the bottom edge of the screw head of the buckle plate screw 10.
Furthermore, the top of the oil pressing plate 7 and the top of the screw head of the pinch plate screw 10 are both provided with flat head grooves 13.
The implementation scenario is specifically as follows: when in actual use, when an oil extraction drill rod joint is processed, an oil storage bin 6 is arranged above a female joint 5, an oil guide groove 9 is arranged above an outer sleeve threaded pipe 3, a groove sealing plate 8 is sleeved in the oil guide groove 9 to ensure the sealing performance of the oil guide groove 9 and the oil storage bin 6, when in use, a drill rod connected with a male joint 1 is sleeved and connected with the outer sleeve threaded pipe 3 arranged on one side of the female joint 5 on another drill rod through the threads on the surface of the inner sleeve threaded pipe 2, the oil extraction drill rod is connected best, lubricating oil is stored in the oil storage bin 6 through the oil storage bin 6 arranged above the female joint 5, after the drill rod is connected, a flat head screwdriver is matched with a flat head groove 13 on the oil pressing plate 7 to screw the oil pressing plate 7, so that the oil pressing plate 7 is compressed downwards, and the lubricating oil in the oil storage bin 6 is pressed into a gap between the oil guide groove 9 and the groove sealing plate 8, and make lubricating oil pour into gradually to the threaded connection face between overcoat screwed pipe 3 and the internal thread pipe 2 through leading oil outlet 16 of oil groove 9 bottom, avoid because long-term operation, the internal thread pipe 2 takes place the corrosion and is difficult to dismantle with the connection face between the overcoat screwed pipe 3, it is more light convenient to make the separation between the drilling rod, and set up counter bore 15 and buckle screw 10 through the one end at seal groove board 8, can fasten seal groove board 8 in the inside of leading oil groove 9 when buckle screw 10 installs, also make things convenient for the dismantlement of later stage seal groove board 8 simultaneously, and clear up the inside of leading oil groove 9 and improved the life who connects.
Referring to the attached drawings 1-2 of the specification, the anti-torsion mechanism of the oil extraction drill rod joint of the embodiment comprises a helical tooth block 12, the axial cross section of the helical tooth block 12 is in a shape of a helical trapezoid, the external matching end surfaces of the male joint 1 and the outer casing threaded pipe 3 are respectively provided with the corresponding helical tooth block 12, and the helical tooth blocks 12 are respectively and uniformly distributed on the circumferential sides of the matching end surfaces of the male joint 1 and the outer casing threaded pipe 3.
Further, the outer circumferential side of the male connector 1 and the outer circumferential side of the female connector 5 are both provided with anti-slip grooves 11.
Furthermore, a sealing groove 14 is formed in the corresponding position of the female joint 5 and the inner matching end of the inner threaded pipe 2, and a sealing ring 4 is sleeved inside the sealing groove 14.
The implementation scenario is specifically as follows: in actual use, because the drilling rod can bear a large torque during operation, if the drilling rod is connected by the screw thread only, the screw thread connection part is more fastened due to the torque effect, the disassembly is inconvenient, and the screw thread can be damaged after long-term use, thereby the sealing performance of the connection of the drilling rod is influenced, and through arranging the inclined tooth blocks 12 at the matching end surfaces of the male joint 1 and the outer sleeve threaded pipe 3, the shapes of the inclined tooth blocks 12 are continuous inclined trapezoids, the right-angled end surface of each inclined tooth block 12 is vertical to the end surface of the male joint 1, when the outer sleeve threaded pipe 3 is completely screwed into the outer part of the inner sleeve threaded pipe 2, a supporting force is provided for the rotation between the male joint 1 and the outer sleeve threaded pipe 3 due to the action of the right-angled end surfaces of the inclined tooth blocks 12, thereby the torque on the drilling rod is borne by the inclined tooth blocks 12 on the male joint 1 and the outer sleeve threaded pipe 3, and the damage caused, the service life that has very big improvement connect, and through seting up seal groove 14 in the inside fitting surface department of internal thread pipe 2 and female joint 5 to seal ring 4 is established to the inside cover of seal groove 14, can effectually prevent the leakage of oil in the drilling rod, and sets up antiskid groove 11 in the outside of male joint 1 and female joint 5, and the frictional force between instrument and the joint when can increase the breakout avoids skidding, the effectual dismouting efficiency that improves the joint.
In summary, the following steps: when in actual use, through set up oil storage bin 6 at female joint 1 top, 3 tops of overcoat screwed pipe set up lead oil groove 9, and press oil board 7 in the inside screw thread cover of oil storage bin 6, when rotating to press oil board 7, can compress the lubricating oil in the oil storage bin 6 and enter into inscription screwed pipe 2 and the threaded connection face of overcoat screwed pipe 3 and lubricate through leading oil groove 9, thereby make things convenient for the dismantlement of joint, also can prevent the screw corrosion simultaneously, the convenience and the security that the joint used have been improved, the rethread sets up skewed tooth piece 12 in the cooperation terminal surface department of male joint 1 and overcoat screwed pipe 3, and utilize the right angle terminal surface effect of skewed tooth piece 12, provide a holding power for the rotation between male joint 1 and the overcoat screwed pipe 3, avoided the screw thread to bear the torque for a long time and damaged.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a convenient oil recovery drilling rod joint of dismantling, includes male joint (1), its characterized in that: a female joint (5) is sleeved on one side of the male joint (1), an inner threaded pipe (2) and an outer threaded pipe (3) are respectively arranged on one side, close to each other, of the male joint (1) and the female joint (5), threads which are matched with each other are arranged on the outer portion of the inner threaded pipe (2) and the inner portion of the outer threaded pipe (3), the outer threaded pipe (3) is sleeved on the outer portion of the inner threaded pipe (2), an oil storage lubricating mechanism is arranged on the top of the female joint (5), and an anti-torsion mechanism is arranged at a port, matched with the female joint (5), of the male joint (1);
the oil storage lubricating mechanism comprises an oil storage bin (6), the oil storage bin (6) is arranged at the top of the female joint (5) far away from one side of the male joint (1), an oil pressing plate (7) is sleeved inside the oil storage bin (6), an oil guide groove (9) parallel to the axis of the outer sleeve threaded pipe (3) is formed in one side, located on the oil storage bin (6), of the top of the outer sleeve threaded pipe (3), one end, far away from the male joint (1), of the oil guide groove (9) penetrates into the oil storage bin (6), an oil outlet (16) is formed in the bottom of the oil guide groove (9), the oil outlet (16) penetrates through the bottom of the outer sleeve threaded pipe (3) and extends to the outside of the inner connecting threaded pipe (2), and a groove sealing plate (8) is fixedly sleeved inside the oil guide groove (9);
the anti-torsion mechanism comprises an oblique tooth block (12), the axial cross section of the oblique tooth block (12) is in an oblique trapezoid shape, corresponding oblique tooth blocks (12) are arranged on the outer matching end faces of the male connector (1) and the outer sleeve threaded pipe (3), and the oblique tooth blocks (12) are respectively and uniformly distributed on the circumferential sides of the matching end faces of the male connector (1) and the outer sleeve threaded pipe (3).
2. The easy to disassemble production string joint of claim 1, wherein: the outside shape of inscription screwed pipe (2) is the round platform form, the excircle diameter that inscription screwed pipe (2) are close to female joint (5) one end is less than the excircle diameter that inscription screwed pipe (2) are close to male joint (1) one end, the inside shape of overcoat screwed pipe (3) also is the round platform form, just the internal thread face of overcoat screwed pipe (3) and the external screw thread face laminating of inscription screwed pipe (2).
3. The easy to disassemble production string joint of claim 1, wherein: the inner wall of the oil storage bin (6) is provided with threads, the circumferential side of the oil pressing plate (7) is provided with threads matched with the inner wall of the oil storage bin (6), and the end, matched with the oil storage bin (6), of the groove sealing plate (8) is also provided with threads corresponding to the inner wall of the oil storage bin (6).
4. The easy to disassemble production string joint of claim 1, wherein: the distance between the bottom of the groove sealing plate (8) and the bottom of the inner cavity of the oil guide groove (9) is 1 mm.
5. The easy to disassemble production string joint of claim 1, wherein: the improved structure is characterized in that the top of the outer sleeve threaded pipe (3) is located on one side, away from the female joint (5), of the oil guide groove (9), a counter bore (15) is formed in the top of the outer sleeve threaded pipe, a buckle plate screw (10) is sleeved on the internal thread of the counter bore (15), a screw head is arranged at the top of the buckle plate screw (10), a protruding block is arranged at one end, close to the buckle plate screw (10), of the groove sealing plate (8), and the top of the protruding block of the groove sealing plate (8) is attached to the bottom edge of the buckle plate screw.
6. The easy to disassemble production string joint of claim 5, wherein: and the top of the pressure oil plate (7) and the top of the screw head of the pinch plate screw (10) are both provided with flat head grooves (13).
7. The easy to disassemble production string joint of claim 1, wherein: and anti-skidding grooves (11) are formed in the outer circumferential side of the male connector (1) and the outer circumferential side of the female connector (5).
8. The easy to disassemble production string joint of claim 1, wherein: the female joint (5) and the inner matching end of the inner threaded pipe (2) are provided with a sealing groove (14), and a sealing ring (4) is sleeved in the sealing groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020051654.8U CN211448550U (en) | 2020-01-10 | 2020-01-10 | Oil extraction drill rod joint convenient to disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020051654.8U CN211448550U (en) | 2020-01-10 | 2020-01-10 | Oil extraction drill rod joint convenient to disassemble |
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| Publication Number | Publication Date |
|---|---|
| CN211448550U true CN211448550U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020051654.8U Active CN211448550U (en) | 2020-01-10 | 2020-01-10 | Oil extraction drill rod joint convenient to disassemble |
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| CN (1) | CN211448550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482877A (en) * | 2022-01-27 | 2022-05-13 | 泰州领航机械有限公司 | Combined drill rod joint |
-
2020
- 2020-01-10 CN CN202020051654.8U patent/CN211448550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482877A (en) * | 2022-01-27 | 2022-05-13 | 泰州领航机械有限公司 | Combined drill rod joint |
| CN114482877B (en) * | 2022-01-27 | 2023-10-03 | 泰州领航机械有限公司 | Combined drill rod joint |
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