CN220015077U

CN220015077U - Quick-acting drill pipe joint

Info

Publication number: CN220015077U
Application number: CN202321449111.1U
Authority: CN
Inventors: 孙小林
Original assignee: Hilong Petroleum Drilling Tool Wuxi Co ltd
Current assignee: Hilong Petroleum Drilling Tool Wuxi Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-11-14
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses a quick-acting drill rod joint, which belongs to the field of drill rod joints and comprises a rod body, a male joint and a female joint, wherein a threaded section is arranged on the male joint, a screw groove matched with the threaded section is formed in the female joint, a seal detection assembly is arranged in the female joint and comprises an annular groove, one side of the inner wall of the annular groove is fixedly connected with a plurality of connecting springs, one end of each connecting spring is fixedly connected with a sliding part, one side of each sliding part is fixedly connected with a sealing ring, the sealing detection assembly is arranged on one side of each sliding part, the male joint and the female joint can be sealed, and the peripheral joint of the male joint and the female joint can be sealed.

Description

Quick-acting drill pipe joint

Technical Field

The utility model relates to the field of drill pipe joints, in particular to a drill pipe joint capable of quickly assembling and disassembling a buckle.

Background

The drill pipe joint is an important part of the drill pipe. In the prior art, china issued patent publication No.: CN112031673a provides a quick trip drill rod with a joint convenient for disassembly, and the patent can realize quick replacement of vulnerable parts such as drill rod joints on a construction site, quick trip, and is suitable for drilling at higher rotation speed.

Although the male connector and the female connector of the patent adopt the sealing ring inside to seal in a single layer, gaps still exist at the peripheral connection parts of the male connector and the female connector in the actual use process of the equipment, so that foreign matters such as external dust can easily enter the equipment through the gaps, and the follow-up use of the equipment can be easily influenced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a quick-to-break drill rod joint, which can seal the outside of a male joint and a female joint and also seal the peripheral connection part of the male joint and the female joint by arranging a seal detection assembly, and can conveniently ensure the integral use effect of equipment and facilitate the subsequent operation of the equipment by double sealing.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a quick drilling rod joint of breaking out, includes body of rod, male joint and female joint, be provided with the screw thread section on the male joint, the indent with screw thread section looks adaptation has been seted up to the inside of female joint, the inside of female joint is provided with sealed detection component, sealed detection component includes the ring channel, one side fixedly connected with of ring channel inner wall a plurality of coupling springs, coupling spring's one end fixedly connected with slider, one side fixedly connected with sealing ring of slider.

Further, a sealing groove matched with the sealing ring is formed in the male connector.

Further, one side of the inner wall of the sealing groove is fixedly connected with an annular magnetic sheet II, and an annular magnetic sheet I is fixedly installed in the sealing ring.

Furthermore, the annular magnetic sheet I and the annular magnetic sheet II are heteronymous magnetic poles, and the annular magnetic sheet I and the annular magnetic sheet II can be attracted to each other within a certain distance range.

Further, a moving part is fixedly connected to the sliding part, and a moving groove for the moving part to move is formed in the female connector and located at one side of the annular groove.

Further, the female connector is fixedly connected with a fixing plate, and a sliding rod is connected inside the fixing plate in a sliding mode.

Further, one end fixedly connected with T type stopper of slide bar, the spacing groove with T type stopper looks adaptation has been seted up to the inside of moving the piece.

Further, the sliding rod is sleeved with an extrusion spring, one end of the extrusion spring is fixedly connected with one side of the T-shaped limiting block, and the other end of the extrusion spring is fixedly connected with one side of the fixing plate.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) This scheme is through setting up sealed detection component, not only can seal the outside of male joint and female joint, can also seal the peripheral junction of male joint and female joint, through double seal, can conveniently guarantee the holistic result of use of equipment, the equipment of being convenient for carries out follow-up operation.

(2) This scheme public joint screw thread end sets up with the joint single action, through so setting, when buckling the in-process can avoid the upper portion body of rod to follow the rotation, has reduced mechanical power consumption to allow the higher rotational speed of public joint screw thread to just, reverse, thereby realize quick upward, break out.

(3) This scheme can conveniently install and remove male joint and female joint fast, through so setting up, can improve the holistic flexibility ratio of equipment, conveniently satisfies user's different user demand.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of a portion of the portion provided in FIG. 1 at A;

FIG. 3 is a schematic view of a portion of the female connector provided in FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

fig. 5 is a side cross-sectional view provided in fig. 3.

The reference numerals in the figures illustrate:

1. a male connector;

2. a threaded section;

3. a female joint;

4. a seal detection assembly; 41. an annular groove; 42. a connecting spring; 43. a slider; 44. a seal ring; 45. extruding a spring; 46. annular magnetic sheet I; 47. sealing grooves; 48. annular magnetic sheet II; 49. a moving member; 410. a moving groove; 411. a fixing plate; 412. a slide bar; 413. t-shaped limiting block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

referring to fig. 1-5, a quick-release drill rod joint comprises a rod body, a male joint 1 and a female joint 3, wherein a threaded section 2 is arranged on the male joint 1, a threaded groove matched with the threaded section 2 is formed in the female joint 3, along with screwing of the threaded section 2 on the male joint 1 into the threaded groove of the female joint 3, a limit table of the threaded section 2 on the male joint 1 moves axially and is inserted into a sealing hole surface, and a sealing ring and the sealing hole surface form radial sealing. And screw thread end and the joint single action on the male joint 1 set up through so setting, when can avoid the upper portion body of rod to follow the rotation in the knot process, reduced mechanical power consumption to allow the higher rotational speed of male joint 1 screw thread to just, reverse, thereby realize quick, the knot of breaking out, this is also prior art, and this is not repeated here. The inside of female joint 3 is provided with sealed detection component 4, and sealed detection component 4 is used for detecting whether the two is sealed state, through so setting up, can make things convenient for follow-up user to follow-up the ann of two to dismantle to can conveniently satisfy user's different user demands. The seal detection assembly 4 comprises an annular groove 41, one side of the inner wall of the annular groove 41 is fixedly connected with a plurality of connecting springs 42, and the plurality of connecting springs 42 are distributed in an annular array at equal intervals. One end of the connecting spring 42 is fixedly connected with a sliding piece 43, and one side of the sliding piece 43 is fixedly connected with a sealing ring 44.

The interior of the male connector 1 is provided with a sealing groove 47 adapted to the sealing ring 44.

An annular magnetic sheet II 48 is fixedly connected to one side of the inner wall of the sealing groove 47, and an annular magnetic sheet I46 is fixedly arranged in the sealing ring 44.

The first annular magnetic sheet 46 and the second annular magnetic sheet 48 are magnetic poles with different names, and the first annular magnetic sheet 46 and the second annular magnetic sheet 48 can attract each other within a certain distance range.

The sliding member 43 is fixedly connected with a moving member 49, and a moving groove 410 for moving the moving member 49 is formed in the female connector 3 and located at one side of the annular groove 41.

The female connector 3 is fixedly connected with a fixed plate 411, and the inside of the fixed plate 411 is connected with a sliding rod 412 in a sliding way.

One end of the sliding rod 412 is fixedly connected with a T-shaped limiting block 413, and a limiting groove matched with the T-shaped limiting block 413 is formed in the moving piece 49.

The sliding rod 412 is sleeved with the extrusion spring 45, one end of the extrusion spring 45 is fixedly connected with one side of the T-shaped limiting block 413, the other end of the extrusion spring 45 is fixedly connected with one side of the fixed plate 411, and the stability of the sliding rod 412 during sliding can be improved through the elastic force of the extrusion spring 45.

Working principle: when the sealing device is used, the male connector 1 and the female connector 3 can be in sealing connection, before connection, the limit to the moving piece 49 can be released, when the limit is released, the sliding rod 412 can be pulled, the extrusion spring 45 on the sliding rod 412 is elastically deformed, at this time, the T-shaped limiting block 413 at one end of the sliding rod 412 is separated from the inner part of the corresponding limiting groove, so that the limit to the moving piece 49 can be released, after the limit is released, the male connector 1 and the female connector 3 can be connected, after the connection of the male connector 1 and the female connector is completed, the sealing ring 44 can enter the sealing groove 47 in the male connector 1 through the attractive force action between the annular magnetic sheet 46 in the sealing ring 44 and the annular magnetic sheet 48 in the sealing groove 47, and gaps between the male connector 1 and the female connector 3 can be filled through the movement of the sealing ring 44, so that the tightness of the connection of the male connector 1 and the female connector 3 can be guaranteed, and the practical test requirements can be conveniently met.

When the two needs to be disassembled, the sealing ring 44 can be reset firstly, when the two needs to be disassembled, the movable piece 49 can be reset, the connecting spring 42 on one side of the sliding piece 43 is reset, the movable piece 49 after the reset is limited again by operating the sliding rod 412, the two can be disassembled conveniently after the limiting, and the scheme is set through the threaded end of the male connector 1 and the connector singly, so that the mechanical power consumption is reduced while the upper rod body can be prevented from following rotation in the screwing process, and the higher rotating speed of the threaded section 2 on the male connector 1 is allowed to be forward and reverse, so that the quick screwing and unscrewing are realized.

Example 2:

the quick-setting and breaking-out high-torsion-resistance drill rod joint is characterized in that a main and auxiliary double-shoulder surface is arranged on a female joint 3, a main and auxiliary double-shoulder surface is arranged on a male joint 1, the taper is 5:48, the pitch is 3.5 teeth, the tooth angle is 70 degrees, and the half angle is 30 degrees on a guide side and 40 degrees on a bearing side respectively.

The drilling tool is suitable for drilling operation conditions of overlarge bearing torque and frequent tripping, and can effectively improve the torsion resistance and the tripping speed of the drill rod joint.

The above is only a preferred embodiment of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a quick drill rod joint who breaks out, includes body of rod, male joint (1) and female joint (3), be provided with screw thread section (2) on male joint (1), the helicla flute with screw thread section (2) looks adaptation is seted up to the inside of female joint (3), its characterized in that: the inside of female joint (3) is provided with seal detection subassembly (4), seal detection subassembly (4) include ring channel (41), one side fixedly connected with a plurality of connecting springs (42) of ring channel (41) inner wall, one end fixedly connected with slider (43) of connecting spring (42), one side fixedly connected with sealing ring (44) of slider (43).

2. A quick acting trip drill pipe joint as defined in claim 1, wherein: a sealing groove (47) matched with the sealing ring (44) is formed in the male connector (1).

3. A quick acting trip drill pipe joint as defined in claim 2, wherein: one side of the inner wall of the sealing groove (47) is fixedly connected with an annular magnetic sheet II (48), and an annular magnetic sheet I (46) is fixedly arranged in the sealing ring (44).

4. A quick acting trip drill pipe joint as defined in claim 3, wherein: the annular magnetic sheet I (46) and the annular magnetic sheet II (48) are different-name magnetic poles, and the annular magnetic sheet I (46) and the annular magnetic sheet II (48) can be mutually attracted within a certain distance range.

5. A quick acting trip drill pipe joint as defined in claim 1, wherein: the sliding piece (43) is fixedly connected with a moving piece (49), and a moving groove (410) for the moving piece (49) to move is formed in the female connector (3) and located on one side of the annular groove (41).

6. The quick acting trip drill pipe joint of claim 5 wherein: the female connector (3) is fixedly connected with a fixing plate (411), and the inside of the fixing plate (411) is connected with a sliding rod (412) in a sliding mode.

7. The quick acting trip drill pipe joint of claim 6 wherein: one end of the sliding rod (412) is fixedly connected with a T-shaped limiting block (413), and a limiting groove matched with the T-shaped limiting block (413) is formed in the moving part (49).

8. The quick acting trip drill pipe joint of claim 7 wherein: the sliding rod (412) is sleeved with an extrusion spring (45), one end of the extrusion spring (45) is fixedly connected with one side of the T-shaped limiting block (413), and the other end of the extrusion spring (45) is fixedly connected with one side of the fixing plate (411).