Oil pipe hanger convenient to disassemble and replace

Abstract

The tubing hanger comprises a connector and a tubing hanger body, the connector is arranged on the outer side of the tubing hanger body in a sleeved mode, a rotating rod is arranged at the lower end of the connector in a rotating mode, an inner groove is horizontally formed in the middle of the connector in a penetrating mode, and the rotating rod is connected with a first gear. The first gear is rotationally arranged in the inner groove, side plates are symmetrically arranged in the inner groove, fixing blocks are arranged on the sides, close to the first gear, of the side plates, two sets of fixing blocks are internally and rotationally provided with bidirectional lead screw rods, the upper middle portions of the bidirectional lead screw rods are fixedly sleeved with second gears, and the second gears are connected to the first gear in a meshed mode. According to the oil pipe hanger, the push plate is controlled to make contact with the inner wall of the oil pipe hanger body, fixing is achieved, and the problem that in the background technology, once internal threads of the oil pipe hanger are damaged, the oil pipe hanger cannot be mounted and dismounted is solved.

Description

Technical Field

[0001] This utility model belongs to the technical field of tubing hangers, and particularly relates to a tubing hanger that is easy to disassemble and replace. Background Technology

[0002] A tubing hanger is a device that supports the tubing string and seals the annular space between the tubing and the casing. Under long-term use, if the internal thread of the tubing hanger is damaged, the tubing hanger will be unable to be installed or disassembled. Therefore, a tubing hanger that is easy to disassemble and replace is proposed. Utility Model Content

[0003] The purpose of this utility model is to overcome the problem in the prior art that the tubing hanger cannot be installed or disassembled once the internal thread of the tubing hanger is damaged, and to provide a tubing hanger that is fixed by controlling the push plate to contact the inner wall of the tubing hanger body, so as to facilitate disassembly and replacement.

[0004] To achieve the above objectives, this utility model provides an oil pipe hanger that is easy to disassemble and replace, including a connector and an oil pipe hanger body. The connector is sleeved on the outside of the oil pipe hanger body. A rotating rod is rotatably provided at the lower end of the connector. An inner groove is horizontally provided through the middle of the connector. A first gear is connected to the rotating rod. The first gear is rotatably provided in the inner groove. Side plates are symmetrically provided in the inner groove. A fixing block is provided on the side plate near the first gear. A double-acting lead screw is rotatably provided in the two sets of fixing blocks. A second gear is fixedly sleeved on the upper middle part of the double-acting lead screw. The second gear is meshed with the first gear. A lead screw nut is sleeved on the double-acting lead screw. A push plate is fixedly connected to the lead screw nut. The push plate is in contact with the inner wall of the oil pipe hanger.

[0005] Preferably, the inner wall of the tubing hanger is provided with a connecting groove at the contact position with the push plate, and the connecting groove corresponds to the size of the push plate.

[0006] Preferably, the connecting groove has a groove structure in the middle, and the push plate has a center block in the middle of its side that corresponds to the groove structure, which increases the contact stability between the push plate and the connecting groove, thereby improving the stability of the tubing hanger body.

[0007] Preferably, the bottom wall of the connector is provided with a control groove, and the rotating rod is rotatably disposed in the control groove, so that the rotating rod is hidden in the inner control groove, which can prevent oil stains from adhering to the rotating rod.

[0008] Preferably, a control rod is fixedly connected between the rotating rod and the first gear.

[0009] Preferably, the lead screw nut is provided with side rods connected at the top and bottom, and a push rod is provided between the side rods and the push plate.

[0010] Preferably, the inner groove is provided with symmetrical slide rails on the upper and lower sides, and a limiting plate is provided on one side of the slide rail. A front slider and a rear slider are respectively movably sleeved on the slide rail. The rear slider is fixedly connected to the push rod, and the front slider is fixedly connected to the push rod. The sliding of the front slider and the rear slider on the slide rail enhances the horizontal movement stability of the push rod and the push plate.

[0011] Preferably, a connecting collar is sleeved at the connection between the front slider and the push rod, and the connecting collar is fixedly disposed on the side of the push plate.

[0012] The beneficial effects of this utility model are:

[0013] This invention achieves fixation by controlling the push plate to contact the inner wall of the tubing hanger body, thus solving the problem mentioned in the background art that the tubing hanger cannot be installed or disassembled once the internal thread of the tubing hanger is damaged. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the oil pipe hanger of this utility model, which is easy to disassemble and replace.

[0015] Figure 2 This is an internal structural diagram of the oil pipe hanger of this utility model, which is easy to disassemble and replace.

[0016] Figure 3 yes Figure 2 Enlarged view of a portion of point A in the middle.

[0017] In the diagram: 1. Connector; 2. Oil pipe hanger body; 3. Rotating rod; 4. Inner groove; 5. First gear; 6. Side plate; 7. Fixing block; 8. Two-way lead screw; 9. Second gear; 10. Push plate; 11. Connecting groove; 12. Lead screw nut; 13. Center block; 14. Control groove; 15. Control rod; 16. Side rod; 17. Push rod; 18. Slide rail; 19. Limiting plate; 20. Front slider; 21. Rear slider; 22. Connecting collar. Detailed Implementation

[0018] The following is in conjunction with the appendix Figure 1-3 The technical solutions in the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, specific orientation structure, or operation. Therefore, they should not be construed as limitations on this utility model.

[0020] This embodiment provides a tubing hanger that is easy to disassemble and replace, including a connector 1 and a tubing hanger body 2. The connector 1 is sleeved on the outside of the tubing hanger body 2. A rotating rod 3 is rotatably provided at the lower end of the connector 1. An inner groove 4 is horizontally provided through the middle of the connector 1. A first gear 5 is connected to the rotating rod 3. The first gear 5 is rotatably provided in the inner groove 4. Side plates 6 are symmetrically provided in the inner groove 4. A fixing block 7 is provided on the side of the side plate 6 near the first gear 5. A double-acting lead screw 8 is rotatably provided in the two sets of fixing blocks 7. A second gear 9 is fixedly sleeved on the upper middle part of the double-acting lead screw 8. The second gear 9 is meshed with the first gear 5. A lead screw nut 12 is sleeved on the double-acting lead screw 8. A push plate 10 is fixedly connected to the lead screw nut 12. The push plate 10 is in contact with the inner wall of the tubing hanger. The contact position between the inner wall of the tubing hanger and the push plate 10 is provided with... The connecting groove 11 corresponds to the size of the push plate 10. The connecting groove 11 has a groove structure in the middle. The push plate 10 has a center block 13 in the middle of the side corresponding to the groove structure. The bottom wall of the connector 1 has a control groove 14. The rotating rod 3 is rotatably disposed in the control groove 14. The rotating rod 3 and the first gear 5 are fixedly connected to a control rod 15. The lead screw nut 12 is connected to the upper and lower sides of the side rod 16. The side rod 16 and the push plate 10 are connected to a push rod 17. The inner groove 4 is symmetrically provided with slide rails 18. The slide rail 18 has a limiting plate 19 on one side. The front slider 20 and the rear slider 21 are respectively movably sleeved on the slide rail 18. The rear slider 21 is fixedly connected to the push rod 17. The front slider 20 is fixedly connected to the push rod 17. The connection between the front slider 20 and the push rod 17 is sleeved with a connecting collar 22. The connecting collar 22 is fixedly disposed on the side of the push plate 10.

[0021] In this embodiment, the working process of the tubing hanger, which is easy to disassemble and replace, is as follows: The operator controls the rotating rod 3 to rotate. The rotating rod 3 drives the first gear 5 to rotate through the control rod 15. The first gear 5 drives the bidirectional lead screw 8 to rotate through the second gear 9, thereby controlling the two lead screw nuts 12 to move in opposite directions. The lead screw nuts 12 control the push plate 10 to move towards the inner wall of the tubing hanger body 2 through the side rod 16 and the push rod 17, so that the push plate 10 and the center block 13 contact the connecting groove 11, thereby realizing the connection and fixation of the connector 1 and the tubing hanger body 2. When disassembling, the rotating rod 3 is controlled to rotate in the opposite direction, thereby controlling the push plate 10 to move away from the tubing hanger, and completing the disassembly.

[0022] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. A tubing hanger that facilitates disassembly and replacement, characterized by, The utility model provides a connector (1) and tubing hanger body (2) are included, the connector (1) is set outside tubing hanger body (2), the lower end of connector (1) is rotatably provided with rotating rod (3), the middle part of connector (1) is horizontally provided with inner groove (4), rotating rod (3) is connected with first gear (5), first gear (5) is rotatably provided in inner groove (4), the inner groove (4) is symmetrically provided with side plate (6), the side of side plate (6) close to first gear (5) is provided with fixed block (7), two groups of fixed block (7) are rotatably provided with bidirectional screw rod (8), the middle part of bidirectional screw rod (8) is fixedly sleeved with second gear (9), second gear (9) is connected with first gear (5), bidirectional screw rod (8) is sleeved with screw nut (12), screw nut (12) is fixedly connected with push plate (10), push plate (10) is in contact with tubing hanger inner wall.

2. The tubing hanger of claim 1, wherein, The contact position of tubing hanger inner wall and push plate (10) is provided with connecting groove (11), and the size of connecting groove (11) corresponds to that of push plate (10).

3. The tubing hanger of claim 2, wherein, The middle part of connecting groove (11) is provided with a groove structure, and the middle part of the side surface of push plate (10) is provided with a center block (13) corresponding to the groove structure.

4. The tubing hanger of claim 1, wherein, The bottom wall of connector (1) is provided with a control groove (14), and rotating rod (3) is rotatably arranged in control groove (14).

5. The tubing hanger of claim 1, wherein, A control rod (15) is fixedly connected between rotating rod (3) and first gear (5).

6. The tubing hanger of claim 1, wherein, A side rod (16) is connected above and below screw nut (12), and a push rod (17) is connected between side rod (16) and push plate (10).

7. The tubing hanger of claim 6, wherein, The inner groove (4) is symmetrically provided with a slide rail (18) above and below, one side of the slide rail (18) is provided with a limiting plate (19), and a front sliding block (20) and a rear sliding block (21) are movably sleeved on the slide rail (18), respectively.

8. The tubing hanger of claim 7, wherein, The connecting sleeve ring (22) is sleeved on the connecting position of front sliding block (20) and push rod (17), and the connecting sleeve ring (22) is fixedly arranged on the side surface of push plate (10).

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