Coiled tubing efficient connecting device

Abstract

The utility model discloses a continuous oil pipe high-efficiency connecting device which comprises a flow guide pipe, a first connecting pipe, a second connecting pipe, a first connecting pipe and a second connecting pipe. The first limiting groove and the second limiting groove are formed in the outer wall of the flow guide pipe; and the first adapter shell and the second adapter shell are arranged at the end part of the flow guide pipe in a sleeving manner. According to the continuous oil pipe connector, the first adapter shell and the second adapter shell are arranged, the structures of the first adapter shell and the second adapter shell are completely the same, the first adapter shell and the second adapter shell can be connected through the flow guide pipe, during specific use, an operator does not need to confirm the structure of the end, and rapid and efficient connection of the continuous oil pipe can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of petrochemical industry, and particularly relates to a high-efficiency connecting device for a continuous oil pipe. Background Art

[0002] The existing high-efficiency connecting devices for continuous oil pipes on the market today not only have high manufacturing costs, but also are difficult for users to disassemble and connect the equipment. Some continuous oil pipes are connected using joints, that is, a male and female head structure is used to fix a male head and a female head at both ends of a section of continuous oil pipe respectively, and the male head of the section of continuous oil pipe is connected and stuck with the female head of another section of continuous oil pipe.

[0003] During actual use, the staff is required to confirm the male and female ends. Once an error occurs, the male end will be connected to the male end or the female end will be connected to the female end, and it will be impossible to connect. Turning the continuous oil pipe around is very time-consuming. For this reason, the utility model provides an efficient continuous oil pipe connection device. Utility Model Content

[0004] The utility model aims to provide a coiled tubing efficient connection device, which adopts a first adapter shell and a second adapter shell with the same structure, does not distinguish between male and female head structures, and can quickly connect the coiled tubing.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] A coiled tubing efficient connection device, comprising:

[0007] A flow guide tube, comprising a first end and a second end opposite to the first end;

[0008] A first limiting groove is provided on the outer wall of the flow guide tube, comprising a first extension section and a second extension section, wherein the first extension section extends from the first end to the second end, the second extension section extends along the circumference of the flow guide tube, and one end of the second extension section is connected to the end of the first extension section pointing to the second end;

[0009] A second limiting groove is provided on the outer wall of the flow guide tube, and includes a third extension section and a fourth extension section, wherein the third extension section extends from the second end toward the first end, the fourth extension section extends along the circumference of the flow guide tube, and one end of the fourth extension section is connected to the end of the third extension section pointing toward the first end;

[0010] A first adapter shell, which is sleeved outside the first end and can reciprocate along the axial direction of the flow guide tube, and includes a first limit block extending into the first limit groove, and the first limit block can reciprocate along the direction in which the first limit groove extends;

[0011] The second adapter shell is sleeved outside the second end and can reciprocate along the axial direction of the flow guide tube. It includes a second limiting block extending into the second limiting groove. The second limiting block can reciprocate along the extending direction of the second limiting groove.

[0012] Optionally, a first sealing ring is provided between the inner wall of the first adapter shell and the end of the flow guide tube, and a second sealing ring is provided between the ends of the second adapter shell.

[0013] Optionally, a first extrusion mechanism is further included, wherein the first extrusion mechanism includes:

[0014] A first connecting plate fixed to the end of the first adapter shell opposite to the second end;

[0015] A first guide hole, which is disposed on the first connecting plate and is a through hole, extending radially along the first adapter shell;

[0016] A first through hole, which is disposed on the first connecting plate and is a through hole, and extends radially along the first adapter shell;

[0017] A first guide post, which is sleeved in the first guide hole and can reciprocate along the axial direction of the first guide hole;

[0018] A first extrusion plate, which is disposed between the first connecting plate and the guide tube and is fixedly connected to one end of the first guide column;

[0019] The first movable rod is installed in the first insertion hole and can reciprocate along the axial direction of the first insertion hole, and one end of the first movable rod points to the first extrusion plate.

[0020] Optionally, it further includes a first assembly ring, which is fixed to the first connecting plate and communicated with the first insertion hole, and the first movable rod is screwed with the first assembly ring.

[0021] Optionally, a first rotating rocker is inserted into the other end of the first movable rod, and a first rubber sleeve is sleeved on the outer wall of the first rotating rocker.

[0022] Optionally, a first anti-slip sheet is provided at the other end of the first guide column.

[0023] Optionally, a second extrusion mechanism is further included, wherein the second extrusion mechanism includes:

[0024] A second connecting plate fixed to the end of the second adapter shell opposite to the first end;

[0025] A second guide hole, which is disposed on the second connecting plate and is a through hole, extending radially along the second adapter shell;

[0026] A second through hole, which is disposed on the second connecting plate and is a through hole, extending radially along the second adapter shell;

[0027] A second guide post is sleeved in the second guide hole and can reciprocate along the axial direction of the second guide hole;

[0028] A second extrusion plate, which is disposed between the second connecting plate and the guide tube and is fixedly connected to one end of the second guide column;

[0029] The second movable rod is installed in the second insertion hole and can reciprocate along the axial direction of the second insertion hole, and one end of the second movable rod points to the second extrusion plate.

[0030] Optionally, it also includes a second assembly ring, which is fixed to the second connecting plate and communicated with the second insertion hole, and the second movable rod is screwed with the second assembly ring.

[0031] Optionally, a second rotating rocker is inserted into the other end of the second movable rod, and a second rubber sleeve is sleeved on the outer wall of the second rotating rocker.

[0032] Optionally, a second anti-slip sheet is provided at the other end of the second guide column.

[0033] The utility model has the following beneficial effects:

[0034] 1. The utility model provides a first adapter shell and a second adapter shell, the structures of which are completely the same and can be connected by means of a guide tube. When used, there is no need for operators to confirm the structure of the end, so that the coiled tubing can be connected quickly and efficiently, and the problem of delayed engineering progress caused by the mismatch of the ends of the coiled tubing can be eliminated.

[0035] 2. The utility model provides a first assembly ring, a first movable rod and a first extrusion plate, a second assembly ring, a second movable rod and a second extrusion plate, which can facilitate users to quickly disassemble and assemble the oil pipe when in use, and at the same time, the installation stability is strong and not easy to loosen. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0037] Figure 1 It is a disassembly schematic diagram of the utility model;

[0038] Figure 2 It is a cross-sectional view of the utility model;

[0039] Figure 3 It is a three-dimensional schematic diagram of the utility model;

[0040] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0041] Figure 5 for Figure 3 Enlarged view of point B in the middle.

[0042] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0043] 1. air guide tube; 101. first limiting groove; 111. first extension section; 112. second extension section; 102. second limiting groove; 121. third extension section; 122. fourth extension section; 2. first adapter shell; 201. first limiting block; 3. second adapter shell; 301. second limiting block; 4. first sealing ring; 5. second sealing ring; 6. second movable rod; 7. first connecting plate; 8. first guide hole; 9. first insertion hole; 10. first extrusion plate; 11. first guide column; 12. first anti-slip sheet; 13. first assembly ring; 14. first rotating rocker; 15. first rubber sleeve; 16. second connecting plate; 17. second guide hole; 18. second insertion hole; 19. second extrusion plate; 20. second guide column; 21. second anti-slip sheet; 22. second assembly ring; 23. second rotating rocker; 24. second rubber sleeve; 25. first movable rod. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0045] See also Figure 1 As shown, a high-efficiency connecting device for a continuous oil pipe of the utility model comprises a guide pipe 1, a first adapter shell 2 and a second adapter shell 3; wherein, the structures of the first adapter shell 2 and the second adapter shell 3 are exactly the same, both of which have one end connected to the continuous oil pipe and the other end connected to the guide pipe 1, and the two ends of the guide pipe are also symmetrical, and the left and right ends can be indistinguishable, and both can be fixed with the first adapter shell 2 and the second adapter shell 3, so that when it is used specifically, there is no need to consider the positive and negative ends of the continuous oil pipe, and a fast and efficient connection can be achieved.

[0046] See also Figure 1-Figure 2 The guide tube 1 is a cylindrical structure, which includes a first end and a second end opposite to the first end. The first limiting groove 101 is set on the outer wall of the guide tube 1, which includes a first extension section 111 and a second extension section 112. Among them, the first extension section 111 extends from the first end to the second end, and the second extension section 112 extends along the circumference of the guide tube 1. One end of the second extension section 112 is connected to the end of the first extension section 111 pointing to the second end, so that the first limiting groove 101 is an L-shaped structure. Figure 1In the embodiment presented, there are 4 first limiting grooves 101, which are evenly distributed along the circumference of the outer wall of the flow guide tube 1. Specifically, the arrangement of the flow guide tube 1 facilitates the circulation of oil.

[0047] The second limiting groove 102 is arranged on the outer wall of the flow guiding tube 1, and includes a third extension section 121 and a fourth extension section 122. The third extension section 121 extends from the second end to the first end, the fourth extension section 122 extends along the circumference of the flow guiding tube 1, and one end of the fourth extension section 122 is connected to the end of the third extension section 121 pointing to the first end, so that the second limiting groove 12 is L-shaped. Figure 1 In the embodiment presented, there are four second limiting grooves 12 , which are evenly distributed along the circumference of the outer wall of the flow guide tube 1 .

[0048] See also Figure 1 , Figure 2 , Figure 3 The first adapter shell 2 is mounted on the first end of the flow guide tube 1, and the first adapter shell 2 can reciprocate along the axial direction of the flow guide tube 1. The first adapter shell 2 includes a first limit block 21 extending into the first limit groove 11, and the first limit block 21 can reciprocate along the direction in which the first limit groove 11 extends. Figure 1 In the embodiment presented, there are four first limit blocks 21 , which are evenly distributed along the circumference of the inner wall of the first adapter shell 2 .

[0049] See also Figure 1 , Figure 2 The second adapter shell 3 is mounted outside the second end and can reciprocate along the axial direction of the flow guide tube 1. The second adapter shell 3 includes a second limit block 31 extending into the second limit groove 102, and the second limit block 31 can reciprocate along the direction in which the second limit groove 102 extends. Figure 1 In the embodiment presented, there are four second limit blocks 31 in total, which are evenly distributed along the circumference of the inner wall of the second adapter shell 2 .

[0050] See also Figure 1 , Figure 2 A first sealing ring 4 is provided between the inner wall of the first adapter shell 2 and the outer wall of the flow guide tube 1, and a second sealing ring 5 is provided between the inner wall of the second adapter shell 2 and the outer wall of the flow guide tube 1. Specifically, the provision of the first sealing ring 4 and the second sealing ring 5 can effectively improve the sealing performance of the joint and prevent oil leakage. Figure 1 , Figure 2 As shown in the figure, the inner wall of the second adapter shell 2 and the inner wall of the second adapter shell 3 both have a step structure, which corresponds to the end of the guide tube 1. When they are connected to the guide tube, the first sealing ring 4 and the second sealing ring 5 therebetween are squeezed to achieve a sealing effect.

[0051] See also Figure 3-Figure 4The utility model also includes a first extrusion mechanism, which includes a first connecting plate 7, a first guide hole 8, a first insertion hole 9, a first guide column 11, a first extrusion plate 10, and a first movable rod 25.

[0052] The first connecting plate is fixed to the end of the first adapter shell 2 opposite to the second end. The first guide hole is provided in the first connecting plate, which is a through hole, and extends radially along the first adapter shell 2. The first insertion hole is provided in the first connecting plate, which is a through hole, and extends radially along the first adapter shell 2. The first guide column 11 is sleeved in the first guide hole and can reciprocate axially along the first guide hole. The first extrusion plate 10 is provided between the first connecting plate and the guide tube 1, and is fixedly connected to one end of the first guide column 11. The first movable rod 25 is installed in the first insertion hole and can reciprocate axially along the first insertion hole, and one end thereof points to the first extrusion plate 10.

[0053] The utility model further comprises a first assembly ring 13, which is fixed to the first connecting plate and communicated with the first insertion hole, a first movable rod 25 is screwed with the first assembly ring 4, and can be specifically threaded, a first rotating rocker 14 is inserted at the other end of the first movable rod 25, and a first rubber sleeve 15 is sleeved on the outer wall of the first rotating rocker 14. A first anti-slip sheet 12 is provided at the other end of the first guide column 11.

[0054] Specifically, the setting of the first guide column 11 can regulate the moving trajectory of the first extrusion plate 10 to avoid deviation; the setting of the first rubber sleeve 15 can effectively improve the comfort during use; the setting of the first anti-drop sheet 12 can limit the first guide column 11 to avoid falling off; the first extrusion plate 10 is arranged in an arc-shaped structure, so that the first extrusion plate 10 is adapted to the outer wall of the guide tube 1, and the force area can be increased when the guide tube 1 is squeezed.

[0055] See also Figure 3 , Figure 5 The utility model further includes a second extrusion mechanism, which includes a second connecting plate 16 , a second guide hole 17 , a second insertion hole 18 , a second guide column 20 , a second movable rod 6 , and a second extrusion plate 19 .

[0056] The second connecting plate is fixed to the end of the second adapter shell 3 opposite to the first end. The second guide hole is provided in the second connecting plate, which is a through hole, and extends radially along the second adapter shell 3. The second insertion hole is provided in the second connecting plate, which is a through hole, and extends radially along the second adapter shell 3. The second guide column 20 is sleeved in the second guide hole and can reciprocate axially along the second guide hole. The second extrusion plate 19 is provided between the second connecting plate and the guide tube 1, and is fixedly connected to one end of the second guide column 19. The second movable rod 6 is installed in the second insertion hole and can reciprocate axially along the second insertion hole, and one end thereof points to the second extrusion plate 19.

[0057] The utility model further comprises a second assembly ring 22, which is fixed to the second connecting plate and communicated with the second insertion hole. The second movable rod 6 is screwed with the second assembly ring 22, specifically, a threaded connection.

[0058] The other end of the second movable rod 6 is plugged with a second rotating rocker 23 , and the outer wall of the second rotating rocker 23 is sleeved with a second rubber sleeve 24 .

[0059] A second anti-drop sheet 21 is disposed at the other end of the second guide column 20 .

[0060] Specifically, the setting of the second guide column 20 can regulate the moving trajectory of the second connecting plate to avoid deviation; the setting of the second rubber sleeve 24 can effectively improve the comfort during use; the setting of the second anti-drop sheet 21 can limit the second guide column 20 to avoid falling off; the second extrusion plate 19 is arranged in an arc-shaped structure, so that the second extrusion plate 19 is adapted to the outer wall of the guide tube 1, and the force area can be increased when the guide tube 1 is squeezed.

[0061] There are four sets of the first extrusion mechanism and the second extrusion mechanism respectively, which are evenly distributed along the circumference of the flow guide tube 1, so that the flow guide tube 1 is subjected to uniform force when being extruded.

[0062] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A highly efficient coiled tubing connection device, characterized in that: include: A flow guide tube (1), comprising a first end and a second end opposite to the first end; A first limiting groove (101) is arranged on the outer wall of the flow guide tube (1), comprising a first extension section (111) and a second extension section (112), wherein the first extension section (111) extends from the first end toward the second end, the second extension section (112) extends along the circumference of the flow guide tube (1), and one end of the second extension section (112) is connected to the end of the first extension section (111) pointing toward the second end; A second limiting groove (102) is arranged on the outer wall of the flow guide tube (1), and comprises a third extension section (121) and a fourth extension section (122), wherein the third extension section (121) extends from the second end toward the first end, the fourth extension section (122) extends along the circumference of the flow guide tube (1), and one end of the fourth extension section (122) is connected to the end of the third extension section (121) pointing toward the first end; A first adapter shell (2) is sleeved outside the first end and can reciprocate along the axial direction of the flow guide tube (1), and comprises a first limit block (201) extending into the first limit groove (101), and the first limit block (201) can reciprocate along the direction in which the first limit groove (101) extends; The second adapter shell (3) is sleeved outside the second end and can reciprocate along the axial direction of the flow guide tube (1), and comprises a second limit block (301) extending into the second limit groove (102). The second limit block (301) can reciprocate along the direction in which the second limit groove (102) extends.

2. The high-efficiency coiled tubing connection device according to claim 1, characterized in that: A first sealing ring (4) is provided between the inner wall of the first adapter shell (2) and the end of the flow guide tube (1), and a second sealing ring (5) is provided between the inner wall of the second adapter shell (3) and the end of the flow guide tube (1).

3. The high-efficiency coiled tubing connection device according to claim 1, characterized in that: Also included is a first extrusion mechanism, the first extrusion mechanism comprising: A first connecting plate (7) fixed to the end of the first adapter shell (2) opposite to the second end; A first guide hole (8) is provided on the first connecting plate (7) and is a through hole extending radially along the first adapter shell (2); A first through hole (9) is provided on the first connecting plate (7) and is a through hole extending radially along the first adapter shell (2); A first guide column (11) which is sleeved in the first guide hole (8) and can reciprocate along the axial direction of the first guide hole; A first extrusion plate (10) is arranged between the first connection plate and the flow guide tube (1), and is fixedly connected to one end of the first guide column (11); The first movable rod (25) is inserted into the first insertion hole (9) and can reciprocate along the axial direction of the first insertion hole (9), with one end pointing toward the first extrusion plate (10).

4. The high-efficiency coiled tubing connection device according to claim 3, characterized in that: It also includes a first assembly ring (13), which is fixed to the first connecting plate (7) and communicates with the first insertion hole (9), and the first movable rod (25) is screwed with the first assembly ring (13).

5. The high-efficiency coiled tubing connection device according to claim 4, characterized in that: A first rotating rocker (14) is inserted into the other end of the first movable rod (25), and a first rubber sleeve (15) is sleeved on the outer wall of the first rotating rocker (14).

6. The high-efficiency coiled tubing connection device according to claim 3, characterized in that: The other end of the first guide column (11) is provided with a first anti-slip sheet (12).

7. The high-efficiency coiled tubing connection device according to claim 1, characterized in that: Also included is a second extrusion mechanism, the second extrusion mechanism comprising: A second connecting plate (16) fixed to the end of the second adapter shell (3) opposite to the first end; A second guide hole (17) is provided on the second connecting plate (16) and is a through hole extending radially along the second adapter shell (3); A second through hole (18) is provided on the second connecting plate (16) and is a through hole extending radially along the second adapter shell (3); A second guide post (20) is sleeved in the second guide hole (17) and is capable of reciprocating along the axial direction of the second guide hole; A second extrusion plate (19) is disposed between the second connection plate (16) and the flow guide tube, and is fixedly connected to one end of the second guide column (20); The second movable rod (6) is inserted into the second insertion hole (18) and can reciprocate along the axial direction of the second insertion hole, with one end pointing toward the second extrusion plate (19).

8. The high-efficiency coiled tubing connection device according to claim 7, characterized in that: It also includes a second assembly ring (22), which is fixed to the second connecting plate (16) and communicates with the second insertion hole (18), and the second movable rod (6) is screwed with the second assembly ring (22).

9. The high-efficiency coiled tubing connection device according to claim 8, characterized in that: A second rotating rocker (23) is inserted into the other end of the second movable rod (6), and a second rubber sleeve (24) is sleeved on the outer wall of the second rotating rocker (23).

10. The high-efficiency coiled tubing connection device according to claim 7, characterized in that: The other end of the second guide column (20) is provided with a second anti-slip sheet (21).

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