CN214365928U

CN214365928U - Pipe column joint for well drilling

Info

Publication number: CN214365928U
Application number: CN202120444386.0U
Authority: CN
Inventors: 郑凯; 谢平; 郭洪佚
Original assignee: Zhongke Ruiwei Technology Co ltd
Current assignee: Zhongke Ruiwei Technology Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-10-08
Anticipated expiration: 2031-03-02

Abstract

The utility model relates to a tubular column connects correlation structure technical field specifically is a tubular column connects for well drilling, including connecting the body, it is cylindrical to connect the body, connect the inside of body and seted up first punishment in advance hole, the vertical through connection body in first punishment in advance hole, the external screw thread has all been seted up, two at the both ends of connecting the body fixedly connected with projection between the external screw thread, the spout has been seted up to the inside of projection, first spring mounting groove has been seted up to the bottom of spout. The utility model has the advantages that: the tubular column rotates, through setting up at the external screw thread that connects the body both ends and the inside internal thread of tubular column, can make and connect body and tubular column and connect, through setting up eight fixture blocks in connecting body department, sets up the draw-in groove that corresponds at the surface of tubular column, when the tubular column rotated a locating position, the fixture block can the joint in the inside of draw-in groove, can effectually avoid the not hard up condition of screw thread, improved the security that connects.

Description

Pipe column joint for well drilling

Technical Field

The utility model relates to a tubular column connects correlation structure technical field, especially a tubular column connects for well drilling.

Background

The tubular pile is the tubular structure of burying in the well in drilling engineering, and the well that can bore out through the tubular pile is more firm, and can guarantee that the well can normally and permanent use, is convenient for exploit the resource of underground, and some wells need splice the tubular pile more deeply. The existing drill tool joint is a single tool for connecting a single drill tool, plays roles in connecting length and circulating fluid, can enable a well bore to extend to a required length, and is mainly connected by threads; in actual use, the connection thread is easy to lose efficacy due to continuous work, so that the joint is separated from the pipe column, the drill rod can fall off, personnel are injured, and the production quality is not promoted; therefore, there is a need for improvements in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a tubular column connects for well drilling.

The purpose of the utility model is realized through the following technical scheme: a tubular column joint for well drilling comprises a joint body, wherein the joint body is cylindrical, a first material passing hole is formed in the joint body, the first material passing hole longitudinally penetrates through the joint body, external threads are formed at two ends of the joint body, a convex column is fixedly connected between the two external threads, a sliding groove is formed in the convex column, a first spring mounting groove is formed in the bottom of the sliding groove, a compression spring is sleeved in the first spring mounting groove, a sliding block is fixedly mounted at one end, away from the first spring mounting groove, of the compression spring, a second spring mounting groove is formed in one side, close to the compression spring, of the sliding block, the inner portion of the second spring mounting groove is sleeved at one end, away from the first spring mounting groove, of the compression spring, a clamping block is fixedly connected at one end, away from the second spring mounting groove, of the sliding block, and one side of the clamping block is an arc surface, a pipe column is fixedly arranged at one end of the joint body, a second material passing hole is formed in the pipe column and longitudinally penetrates through the interior of the pipe column, a first mounting table and a second mounting table are fixedly connected to the outer surface of the pipe column, one end, far away from the first mounting table, of the second mounting table, through which the pipe column penetrates through the first mounting table and the second mounting table, an internal thread matched with the external thread is formed in the inner wall of the first mounting table, a clamping groove matched with the clamping block is formed in the second mounting table, one end, located in the first mounting table and the second mounting table, of the pipe column is sleeved on the inner wall of the first material passing hole, a rubber sealing ring is fixedly connected to one end, close to the second mounting table, of the pipe column, the rubber sealing ring is located in the joint body, the pipe columns are two, and the two pipe columns are respectively in threaded connection with the outer surfaces of the external threads at two ends of the joint body, the rubber seal ring is located between the two pipe columns, the outer surfaces of the two pipe columns are provided with second installation platforms, the outer surface of one of the second installation platforms is sleeved with a first safety sleeve, the outer surface of the other one of the second installation platforms is sleeved with a second safety sleeve, the inner portions of the first safety sleeve and the second safety sleeve are both in a hollow shape, and the first safety sleeve is fixedly installed at one end of the second safety sleeve.

Optionally, one end of the first safety sleeve, which is close to the second safety sleeve, is provided with a second external thread, the inside of the second safety sleeve, which is close to the end of the first safety sleeve, is provided with a second internal thread adapted to the second external thread, and the second external thread is in threaded connection with the inner wall of the second internal thread.

Optionally, the sliding grooves are eight, two pairs of sliding grooves correspond to each other and are circularly distributed on the outer surface of the joint body, compression springs and clamping blocks are installed inside the sliding grooves, eight clamping blocks are arranged in a group, the clamping blocks are close to a group of arc surfaces of the first safety sleeve and face the first safety sleeve, and the clamping blocks are close to a group of arc surfaces of the second safety sleeve and face the second safety sleeve.

Optionally, the rubber sealing ring is made of rubber, a through hole is formed in the rubber sealing ring, and the diameter of the through hole is not larger than that of the second material passing hole.

Optionally, the height of the sliding block is smaller than the height of the sliding groove, and the height of the sliding block subtracted from the height of the sliding groove is larger than the height of the clamping block leaking out of the surface of the joint body.

Optionally, one end, away from the second external thread, of the first safety sleeve is fixedly connected with a first limiting table, and the first limiting table is circular and hollow and has a diameter larger than that of the first mounting table.

Optionally, one end, far away from the second internal thread, of the second safety sleeve is fixedly connected with a second limiting table, and the inside of the second limiting table is in a circular hollow shape, and the diameter of the second limiting table is larger than that of the second mounting table.

The utility model has the advantages of it is following:

1. this kind of tubular column connects for well drilling rotates the tubular column, through setting up at the external screw thread that connects body both ends and the inside internal thread of tubular column, can make and connect body and tubular column to connect, through setting up eight fixture blocks in body department that connects, sets up the draw-in groove that corresponds at the surface of tubular column, when the tubular column rotated a position, the fixture block can the joint in the inside of draw-in groove, can effectually avoid the not hard up condition of screw thread, improved the security that connects.

2. This kind of tubular column connects for well drilling through setting up first safety sleeve and second safety sleeve, through cup jointing first safety sleeve and second safety sleeve at the surface of second mount table to through second external screw thread and second internal thread fixed connection, the security that can further improve this joint.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention;

fig. 5 is a schematic structural diagram of the pipe column of the present invention.

In the figure: 1-joint body, 2-first material passing hole, 3-external thread, 4-convex column, 5-sliding groove, 6-first spring installation groove, 7-compression spring, 8-sliding block, 9-second spring installation groove, 10-clamping block, 11-tubular column, 12-second material passing hole, 13-first installation table, 14-second installation table, 15-internal thread, 16-clamping groove, 17-rubber sealing ring, 18-first safety sleeve, 19-second safety sleeve, 20-second external thread, 21-second internal thread, 22-through hole, 23-first limiting table and 24-second limiting table.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1-5, a pipe column joint for drilling, which comprises a joint body 1, wherein the joint body 1 is cylindrical, a first material passing hole 2 is formed inside the joint body 1, the first material passing hole 2 longitudinally penetrates through the joint body 1, external threads 3 are formed at both ends of the joint body 1, a convex column 4 is fixedly connected between the two external threads 3, a sliding groove 5 is formed inside the convex column 4, a first spring installation groove 6 is formed at the bottom of the sliding groove 5, a compression spring 7 is sleeved inside the first spring installation groove 6, a sliding block 8 is fixedly installed at one end of the compression spring 7 far away from the first spring installation groove 6, a second spring installation groove 9 is formed at one side of the sliding block 8 close to the compression spring 7, the inside of the second spring installation groove 9 is sleeved at one end of the compression spring 7 far away from the first spring installation groove 6, and a clamping block 10 is fixedly connected at one end of the sliding block 8 far away from the second spring installation groove 9, the height of the sliding block 8 is less than that of the sliding groove 5, the height of the sliding groove 5 minus the height of the sliding block 8 is greater than the height of the fixture block 10 leaking out of the surface of the joint body 1, one side of the fixture block 10 is an arc surface, a pipe column 11 is fixedly installed at one end of the joint body 1, a second material passing hole 12 is formed in the pipe column 11, the second material passing hole 12 longitudinally penetrates through the interior of the pipe column 11, a first installation platform 13 and a second installation platform 14 are fixedly connected to the outer surface of the pipe column 11, one end, far away from the first installation platform 13, of the second installation platform 14, through which the pipe column 11 penetrates through the first installation platform 13 and the second installation platform 14, an internal thread 15 matched with the external thread 3 is formed in the inner wall of the first installation platform 13, a clamping groove 16 matched with the fixture block 10 is formed in the interior of the second installation platform 14, the pipe column 11 is rotated, the joint body 1 and the pipe column 11 can be connected through the external thread 3 arranged at two ends of the joint body 1 and the internal thread 15 in the pipe column 11, the eight fixture blocks 10 are arranged at the joint body 1, the corresponding clamping grooves 16 are arranged on the outer surface of the pipe column 11, when the pipe column 11 rotates to a certain position, the fixture blocks 10 can be clamped inside the clamping grooves 16, the loosening condition of threads can be effectively avoided, the safety of the joint is improved, one end, located inside the first mounting platform 13 and the second mounting platform 14, of the pipe column 11 is sleeved on the inner wall of the first material passing hole 2, one end, close to the second mounting platform 14, of the pipe column 11 is fixedly connected with the rubber sealing rings 17, the rubber sealing rings 17 are made of rubber materials, the through holes 22 are formed inside the rubber sealing rings 17, the diameter of each through hole 22 is not larger than that of the second material passing hole 12, the rubber sealing rings 17 are located inside the joint body 1, the number of the pipe columns 11 is two, the two pipe columns 11 are respectively in threaded connection with the outer surfaces of the external threads 3 at the two ends of the joint body 1, and the rubber sealing rings 17 are located between the two pipe columns 11, the outer surfaces of the two pipe columns 11 are respectively provided with a second mounting table 14, the outer surface of one of the two second mounting tables 14 is sleeved with a first safety sleeve 18, the outer surface of the other one of the two second mounting tables 14 is sleeved with a second safety sleeve 19, one end of the first safety sleeve 18, which is far away from a second external thread 20, is fixedly connected with a first limiting table 23, the inside of the first limiting table 23 is in a circular hollow shape, the diameter of the first limiting table is larger than that of the first mounting table 13, one end of the second safety sleeve 19, which is far away from a second internal thread 21, is fixedly connected with a second limiting table 24, the inside of the second limiting table 24 is in a circular hollow shape, the cut diameter of the second limiting table 24 is larger than that of the second mounting table 14, the insides of the first safety sleeve 18 and the second safety sleeve 19 are both in a hollow shape, the first safety sleeve 18 is fixedly mounted at one end of the second safety sleeve 19, one end of the first safety sleeve 18, which is close to the second safety sleeve 19, is provided with a second external thread 20, a second internal thread 21 matched with the second external thread 20 is formed in one end, close to the first safety sleeve 18, of the second safety sleeve 19, the second external thread 20 is in threaded connection with the inner wall of the second internal thread 21, eight sliding grooves 5 are provided, every two of the eight sliding grooves 5 are circularly distributed on the outer surface of the joint body 1 correspondingly, compression springs 7 and clamping blocks 10 are arranged in the eight sliding grooves 5, four of the eight clamping blocks 10 form a group, one group of arc surfaces, close to the first safety sleeve 18, of the clamping blocks 10 face the first safety sleeve 18, one group of arc surfaces, close to the second safety sleeve 19, of the clamping blocks 10 face the second safety sleeve 19, by arranging the first safety sleeve 18 and the second safety sleeve 19, by sleeving the first safety sleeve 18 and the second safety sleeve 19 on the outer surface of the second mounting table 1, and the safety of the joint can be further improved by fixedly connecting the second external thread 20 and the second internal thread 21.

The working process of the utility model is as follows: firstly, a rubber sealing ring 17 is placed in the joint body 1, then the sleeve 11 is rotated to connect the joint body 1 with the sleeve 11, when the sleeve 11 is rotated to a moving position, the fixture block 10 is clamped in the bitter herb 16, the other end of the joint body 1 is also connected through the above description, the rubber sealing ring 17 is positioned between the two sleeves 11, and after the two sleeves 11 are connected, the first safety sleeve 18 and the second safety sleeve 19 are arranged on the outer surface of the second mounting table 14 and connected through the second external thread 20 and the second internal thread 21, so that the safety of the joint is further improved.

In summary, the following steps: according to the pipe column joint for well drilling, the pipe column 11 is rotated, the joint body 1 can be connected with the pipe column 11 through the external threads 3 arranged at the two ends of the joint body 1 and the internal threads 15 arranged in the pipe column 11, the eight clamping blocks 10 are arranged at the joint body 1, the corresponding clamping grooves 16 are arranged on the outer surface of the pipe column 11, when the pipe column 11 rotates to a certain position, the clamping blocks 10 can be clamped in the clamping grooves 16, the condition that threads are loosened can be effectively avoided, and the safety of the joint is improved; according to the pipe column joint for drilling, the first safety sleeve 18 and the second safety sleeve 19 are arranged, the first safety sleeve 18 and the second safety sleeve 19 are sleeved on the outer surface of the second mounting table 1 and fixedly connected through the second external threads 20 and the second internal threads 21, and therefore the safety of the joint can be further improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A tubular string joint for well drilling, comprising a joint body (1), characterized in that: the connector body (1) is cylindrical, a first material passing hole (2) is formed in the connector body (1), the first material passing hole (2) longitudinally penetrates through the connector body (1), external threads (3) are formed in two ends of the connector body (1), a convex column (4) is fixedly connected between the two external threads (3), a sliding groove (5) is formed in the convex column (4), a first spring mounting groove (6) is formed in the bottom of the sliding groove (5), a compression spring (7) is sleeved in the first spring mounting groove (6), a sliding block (8) is fixedly mounted at one end, away from the first spring mounting groove (6), of the compression spring (7), a second spring mounting groove (9) is formed in one side, close to the compression spring (7), of the sliding block (8), and the second spring mounting groove (9) is sleeved in one end, away from the first spring mounting groove (6), of the compression spring (7), one end, far away from the second spring mounting groove (9), of the sliding block (8) is fixedly connected with a clamping block (10), one side of the clamping block (10) is an arc surface, one end of the joint body (1) is fixedly provided with a pipe column (11), a second material passing hole (12) is formed in the pipe column (11), the second material passing hole (12) longitudinally penetrates through the pipe column (11), the outer surface of the pipe column (11) is fixedly connected with a first mounting table (13) and a second mounting table (14), the pipe column (11) is far away from one end of the first mounting table (13) through the second mounting table (14) through which the first mounting table (13) and the second mounting table (14) penetrate, an inner thread (15) matched with the outer thread (3) is formed in the inner wall of the first mounting table (13), a clamping groove (16) matched with the clamping block (10) is formed in the second mounting table (14), the inner wall of a first material passing hole (2) is sleeved with one end, located inside a first mounting platform (13) and a second mounting platform (14), of each pipe column (11), one end, close to the second mounting platform (14), of each pipe column (11) is fixedly connected with a rubber sealing ring (17), the rubber sealing rings (17) are located inside a joint body (1), two pipe columns (11) are arranged, the two pipe columns (11) are respectively in threaded connection with the outer surfaces of external threads (3) at two ends of the joint body (1), the rubber sealing rings (17) are located between the two pipe columns (11), the second mounting platforms (14) are arranged on the outer surfaces of the two pipe columns (11), a second safety sleeve (19) is sleeved on the outer surface of one of the two second mounting platforms (14), which is sleeved with the first safety sleeve (18), and a second safety sleeve (19), the insides of the first safety sleeve (18) and the second safety sleeve (19) are both in a hollow shape, the first safety sleeve (18) is fixedly arranged at one end of the second safety sleeve (19).

2. A tubular string joint for drilling as claimed in claim 1, wherein: the one end that first safety sleeve (18) is close to second safety sleeve (19) has seted up second external screw thread (20), second safety sleeve (19) are close to the inside of first safety sleeve (18) one end and have seted up second internal thread (21) with second external screw thread (20) adaptation, second external screw thread (20) threaded connection is at the inner wall of second internal thread (21).

3. A tubular string joint for drilling as claimed in claim 1, wherein: spout (5) have eight, eight two liang of corresponding circular distribution of spout (5) is at the surface that connects body (1), eight compression spring (7) and fixture block (10), eight are all installed to the inside of spout (5) four fixture block (10) are a set of, a set of arc surface orientation first safety sleeve (18) that fixture block (10) are close to first safety sleeve (18), a set of arc surface orientation second safety sleeve (19) that fixture block (10) are close to second safety sleeve (19).

4. A tubular string joint for drilling as claimed in claim 1, wherein: rubber seal (17) are the rubber material, through-hole (22) have been seted up to rubber seal (17) inside, through-hole (22) diameter is not more than the diameter of second punishment in advance hole (12).

5. A tubular string joint for drilling as claimed in claim 1, wherein: the height of the sliding block (8) is smaller than that of the sliding groove (5), and the height of the sliding groove (5) minus the height of the sliding block (8) is larger than the height of the clamping block (10) leaking out of the surface of the joint body (1).

6. A tubular string joint for drilling as claimed in claim 1, wherein: one end, far away from the second external thread (20), of the first safety sleeve (18) is fixedly connected with a first limiting table (23), and the inside of the first limiting table (23) is in a circular hollow shape, and the diameter of the first limiting table is larger than that of the first mounting table (13).

7. A tubular string joint for drilling as claimed in claim 1, wherein: one end, far away from the second internal thread (21), of the second safety sleeve (19) is fixedly connected with a second limiting table (24), and the inside of the second limiting table (24) is in a circular hollow shape, and the diameter of the second limiting table is larger than that of the second mounting table (14).