CN216618886U

CN216618886U - Petroleum casing joint with anti-corrosion function

Info

Publication number: CN216618886U
Application number: CN202122898836.6U
Authority: CN
Inventors: 王译
Original assignee: Guangzhou Yongfeng Machinery Manufacturing Co ltd
Current assignee: Guangzhou Yongfeng Machinery Manufacturing Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-27
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses an oil casing joint with an anti-corrosion function, and relates to the technical field of oil casings. The oil pipe joint comprises an oil pipe, a sleeve joint and a sliding block, wherein a plurality of slots are formed in the right side wall of the oil pipe, buffer grooves are formed in two opposite side walls of the sleeve joint, a screw rod is rotatably connected inside each buffer groove, a thread groove is formed in the right side wall of the sliding block and is in threaded fit with the screw rod, and the sliding block is in clamping fit with the slots. According to the utility model, the screw rod, the sliding block, the spring groove, the clamping block and the clamping groove are arranged, so that the casing joint and the oil conveying pipe are firmly fixed, the installation mode is simple, the threaded installation is not required, the physical strength of constructors is greatly saved, the assembly efficiency of the casing joint is improved, the structural strength and the corrosion resistance of the casing joint are improved, and the later-stage oil seepage is effectively avoided.

Description

Petroleum casing joint with anti-corrosion function

Technical Field

The utility model belongs to the technical field of petroleum casing pipes, and particularly relates to a petroleum casing pipe joint with an anti-corrosion function.

Background

The petroleum casing is a steel pipe used for supporting the wall of a well of an oil well or a gas well so as to ensure the normal operation of the whole oil well after the drilling process and the completion. Each well uses several layers of casing depending on the depth of the well and the geological conditions. After the casing is put into the well, cement is adopted for cementing the well, and the casing is different from an oil pipe and a drill rod, cannot be reused and belongs to a disposable consumption material.

The inner wall of the existing oil casing pipe is easy to rot after long-time use, so that oil seeps out, the assembly of the casing pipe at the early stage is usually carried out by adopting thread installation, the torque of a casing pipe joint is large, the assembly is inconvenient for constructors, and the installation efficiency is low; therefore, a petroleum casing joint with an anticorrosion function is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil casing joint with an anti-corrosion function, which solves the problems that the inner wall of the existing oil casing is easy to rot after long-time use, so that oil seeps out, and the assembly of the casing at the early stage usually adopts thread installation, so that the torque is large, the assembly is inconvenient for constructors, and the installation efficiency is low.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an oil casing joint with an anti-corrosion function, which comprises an oil pipeline, a casing joint and a sliding block, wherein a plurality of slots are formed in the right side wall of the oil pipeline, buffer grooves are formed in two opposite side walls of the casing joint, a screw rod is rotatably connected inside each buffer groove, a thread groove is formed in the right side wall of the sliding block, the thread groove is in threaded fit with the screw rod, and the sliding block is in clamping fit with the slots.

The upper surface of the slot is provided with a clamping groove, the upper surface of the sliding block is provided with a spring groove, the inner surface of the spring groove is connected with a return spring, one end of the return spring is connected with a clamping block, and the clamping block is clamped and matched with the clamping groove.

The sleeve joint is internally provided with a rotating groove, the screw rod extends to the inside of the rotating groove, and one end of the screw rod is provided with a driven tooth.

The inner surface of the rotating groove is rotatably connected with a rotating shaft, a driving tooth is installed at one end of the rotating shaft, and the driving tooth is meshed with the driven tooth.

The utility model discloses a screw thread installation, including pivot other end fixedly connected with knob, when needing to carry out the assembly between casing joint and the defeated oil pipe, go into the slot with the slider card, because defeated oil pipe inner wall pressure is great, the slider can't block easily in the slot, rotatory knob, the knob drives the initiative tooth rotation, it is rotatory that the initiative tooth drives driven tooth and lead screw, lead screw cooperation slider, push the slider slot bottom when the slider reachs the slot bottom, reset spring pops out the fixture block, the fixture block card goes into the draw-in groove, make casing joint and defeated oil pipe firmly fixed, the mounting means is simple, need not to use the screw thread installation, constructor's physical power has greatly been saved, the efficiency of casing joint equipment has been promoted.

The buffer slot internal surface is provided with the blotter, defeated oil pipe right side wall has seted up the annular, the anticorrosive snap ring of bushing head inside wall fixedly connected with, anticorrosive snap ring clamps the cooperation with the annular, and anticorrosive snap ring cooperation annular promotes the connectivity between bushing head and the defeated oil pipe, and anticorrosive snap ring has promoted this bushing head's structural strength and anticorrosive nature simultaneously, makes bushing head more durable, effectively avoids the later stage oil to ooze.

The two opposite side walls of the anti-corrosion snap ring are provided with sealing gaskets, the two opposite side walls of the sleeve joint are provided with sealing rings, and the sealing gaskets and the sealing rings further improve the sealing effect of the sleeve joint.

The utility model has the following beneficial effects:

according to the utility model, the screw rod, the sliding block, the spring groove, the clamping block and the clamping groove are arranged, so that the casing joint and the oil conveying pipe are firmly fixed, the installation mode is simple, threaded installation is not required, the physical strength of constructors is greatly saved, and the assembly efficiency of the casing joint is improved; by arranging the anti-corrosion snap ring and the annular groove, the connectivity between the casing joint and the oil conveying pipe is improved, and meanwhile, the anti-corrosion snap ring improves the structural strength and the anti-corrosion performance of the casing joint, so that the casing joint is more durable, and later-period oil seepage is effectively avoided; by arranging the sealing gasket and the sealing ring, the sealing effect of the sleeve joint is further improved.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic isometric view of a petroleum casing joint with corrosion protection;

FIG. 2 is a schematic top view of a petroleum casing joint with corrosion prevention function;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

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

fig. 5 is a right side perspective view of a petroleum casing joint with an anti-corrosion function.

In the drawings, the components represented by the respective reference numerals are listed below: 1. an oil delivery pipe; 2. a casing joint; 3. a ring groove; 4. an anti-corrosion snap ring; 5. a gasket; 6. a rotating tank; 7. a rotating shaft; 8. a driving tooth; 9. a knob; 10. a buffer tank; 11. a cushion pad; 12. a screw rod; 13. a driven tooth; 14. a slider; 1401. a thread groove; 15. a slot; 16. a spring slot; 17. a return spring; 18. a clamping block; 19. a card slot; 20. and (4) a sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, the utility model relates to an oil casing joint with an anti-corrosion function, which comprises an oil pipeline 1, a casing joint 2 and a sliding block 14, wherein a plurality of slots 15 are formed in the right side wall of the oil pipeline 1, buffer grooves 10 are formed in two opposite side walls of the casing joint 2, a screw rod 12 is rotatably connected inside the buffer grooves 10, a thread groove 1401 is formed in the right side wall of the sliding block 14, the thread groove 1401 is in threaded fit with the screw rod 12, and the sliding block 14 is in clamping fit with the slots 15.

The upper surface of the slot 15 is provided with a clamping groove 19, the upper surface of the sliding block 14 is provided with a spring groove 16, the inner surface of the spring groove 16 is connected with a return spring 17, one end of the return spring 17 is connected with a clamping block 18, and the clamping block 18 is clamped and matched with the clamping groove 19.

The sleeve joint 2 is internally provided with a rotating groove 6, the screw rod 12 extends to the inside of the rotating groove 6, and one end of the screw rod 12 is provided with a driven tooth 13.

The inner surface of the rotating groove 6 is rotatably connected with a rotating shaft 7, one end of the rotating shaft 7 is provided with a driving tooth 8, and the driving tooth 8 is meshed with a driven tooth 13.

The other end of the rotating shaft 7 is fixedly connected with a knob 9, when the assembly between the casing joint 2 and the oil conveying pipe 1 needs to be carried out, a sliding block 14 is clamped into a slot 15, the pressure of the inner wall of the oil conveying pipe 1 is large, the sliding block 14 cannot be easily clamped into the slot 15, the knob 9 is rotated, the knob 9 drives a driving tooth 8 to rotate, the driving tooth 8 drives a driven tooth 13 and a lead screw 12 to rotate, the lead screw 12 is matched with the sliding block 14, the sliding block 14 is pushed into the bottom of the slot 15, when the sliding block 14 reaches the bottom of the slot 15, a reset spring 17 ejects a clamping block 18, the clamping block 18 is clamped into a clamping groove 19, the casing joint 2 and the oil conveying pipe 1 are firmly fixed, the installation mode is simple, the thread installation is not needed, the physical force of constructors is greatly saved, and the assembly efficiency of the casing joint 2 is improved.

10 internal surfaces of dashpot are provided with

blotter

11, 1 right side wall of defeated oil pipe has seted up annular 3, 2 inside wall fixedly connected with anticorrosive snap ring 4 of casing joint, anticorrosive snap ring 4 clamps the cooperation with annular 3, 3 lifting sleeve joints of anticorrosive snap ring 4 cooperation annular 2 and defeated oil pipe 1 between the connectivity, anticorrosive snap ring 4 has promoted this casing joint 2's structural strength and anticorrosive simultaneously, it is more durable to let casing joint 2, effectively avoids the later stage oil to ooze.

The two opposite side walls of the anti-corrosion snap ring 4 are provided with sealing gaskets 5, the two opposite side walls of the casing joint 2 are provided with sealing rings 20, and the sealing gaskets 5 and the sealing rings 20 further improve the sealing effect of the casing joint 2.

The embodiment shown in fig. 1 to 5 is a method for using a petroleum casing joint with an anticorrosion function: when the assembly between the casing joint 2 and the oil pipeline 1 needs to be carried out, the sliding block 14 is clamped into the slot 15, because the pressure of the inner wall of the oil pipeline 1 is large, the sliding block 14 cannot be easily clamped into the slot 15, the knob 9 is rotated, the knob 9 drives the driving tooth 8 to rotate, the driving tooth 8 drives the driven tooth 13 and the screw rod 12 to rotate, the screw rod 12 is matched with the sliding block 14, the sliding block 14 is pushed into the bottom of the slot 15, when the sliding block 14 reaches the bottom of the slot 15, the reset spring 17 pops the clamping block 18, the clamping block 18 is clamped into the clamping groove 19, so that the casing joint 2 is firmly fixed with the oil pipeline 1, the anti-corrosion clamping ring 4 is clamped and matched with the annular groove 3, the anti-corrosion clamping ring 4 is matched with the annular groove 3 to improve the connectivity between the casing joint 2 and the oil pipeline 1, meanwhile, the anti-corrosion snap ring 4 improves the structural strength and the anti-corrosion performance of the sleeve joint 2, the sleeve joint 2 is more durable, and the sealing gasket 5 and the sealing ring 20 further improve the sealing effect of the sleeve joint 2.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a petroleum casing joint with anticorrosive function, includes defeated oil pipe (1), casing joint (2) and slider (14), its characterized in that: a plurality of slots (15) have been seted up to defeated oil pipe (1) right side wall, dashpot (10) have all been seted up to the relative both sides wall of casing joint (2), dashpot (10) inside rotation is connected with lead screw (12), thread groove (1401) have been seted up to slider (14) right side wall, thread groove (1401) and lead screw (12) screw-thread fit, slider (14) clamp the cooperation with slot (15).

2. The petroleum casing joint with the anticorrosion function as recited in claim 1, wherein a clamping groove (19) is formed in an upper surface of the insertion groove (15), a spring groove (16) is formed in an upper surface of the slider (14), a return spring (17) is connected to an inner surface of the spring groove (16), a clamping block (18) is connected to one end of the return spring (17), and the clamping block (18) is in clamping fit with the clamping groove (19).

3. A petroleum casing joint with an anticorrosion function as defined in claim 1, wherein a rotary groove (6) is formed in the casing joint (2), the screw rod (12) extends into the rotary groove (6), and a driven tooth (13) is mounted at one end of the screw rod (12).

4. A petroleum casing joint with corrosion prevention function according to claim 3, characterized in that a rotating shaft (7) is rotatably connected to the inner surface of the rotating groove (6), a driving tooth (8) is installed at one end of the rotating shaft (7), and the driving tooth (8) is meshed with a driven tooth (13).

5. A petroleum casing joint with corrosion prevention function according to claim 4, characterized in that the other end of the rotating shaft (7) is fixedly connected with a knob (9).

6. The petroleum casing joint with the anticorrosion function as recited in claim 1, wherein the buffer pad (11) is arranged on the inner surface of the buffer groove (10), the ring groove (3) is formed in the right side wall of the petroleum pipeline (1), the anticorrosion snap ring (4) is fixedly connected to the inner side wall of the casing joint (2), and the anticorrosion snap ring (4) is in clamping fit with the ring groove (3).

7. A petroleum casing joint with corrosion prevention function according to claim 6, characterized in that two opposite side walls of the corrosion prevention snap ring (4) are provided with sealing gaskets (5), and two opposite side walls of the casing joint (2) are provided with sealing rings (20).