CN111810738A

CN111810738A - Sealed oil pipe short circuit of detaining

Info

Publication number: CN111810738A
Application number: CN202010579894.XA
Authority: CN
Inventors: 肖云东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-10-23

Abstract

The invention discloses a sealed oil pipe short joint, relates to the technical field of oil conveying pipes, and particularly relates to a sealed oil pipe short joint. This sealed oil pipe short circuit of detaining, through utilizing the butt joint between oil pipe and the grafting oil head of leading, cooperate the position sleeve simultaneously, block between positioning clip board and the short circuit pullover, the interior panel that combines to lead the inside setting of oil pipe and annular cushion and the outside protection cushion cover that sets up of grafting oil head and the inside sealed cushion that sets up of position sleeve, can seal twice to the port department of oil pipe short circuit, when carrying oil, it can and the external negative pressure that forms between, the sealing of port department has been guaranteed, combine the magnetic force attraction between magnetic ring and the short circuit pullover simultaneously, the effort of its actuation has been improved, improve its sealed effect, avoid oil leakage.

Description

Sealed oil pipe short circuit of detaining

Technical Field

The invention relates to the technical field of oil pipelines, in particular to a sealing buckled oil pipe short joint.

Background

The tubing is a pipe that transports crude oil and natural gas from hydrocarbon reservoirs to the surface after drilling is completed, is used to bear the pressure generated during production, is an important component of the existing oil field, and the end of the tubing is processed in the form of: the sealing buckle oil pipe short joint has the advantages that the sealing buckle oil pipe short joint is not thickened, threaded and coupling are additionally thickened, flat ends are additionally thickened, threaded and coupling are additionally thickened, the phenomenon of leakage easily occurs when the oil pipe conveys crude oil through research on the existing oil pipe, the local environment is affected, oil waste is caused, and therefore the sealing buckle oil pipe short joint is provided.

Disclosure of Invention

The invention provides a sealing oil pipe short joint, which solves the problems in the prior art.

In order to achieve the purpose, the invention is realized by the following technical scheme: a sealed oil pipe short circuit of detaining, includes the oil pipe short circuit and leads oil pipe, the fixed cover is equipped with the short circuit pullover respectively at the both ends of oil pipe short circuit, and the both ends of oil pipe short circuit are fixedly connected with the grafting oil head that is located the inside of short circuit pullover respectively, the grafting oil head extends to the outside of short circuit pullover, form annular notch between short circuit pullover and the grafting oil head, the fixed cover of outside of grafting oil head is equipped with the protection adhesive tape cover that is located the inside of notch, the outside slip cap of oil pipe short circuit is equipped with threaded sleeve, the one end fixedly connected with locating sleeve of leading oil pipe, and the inside of locating sleeve sets up to be hollow, the fixed cover of locating sleeve inside is equipped with the location snap ring board, and the internal diameter value of location snap ring board is greater than the diameter value of leading oil pipe and the inside oil transportation of grafting oil head, the, the utility model discloses a well drilling machine, including positioning snap ring board, sealed cushion, oil pipe, panel, inner circle fixedly connected with evenly distributed's annular cushion, positioning snap ring board and positioning sleeve's inner chamber form annular space, one side fixed cover of positioning sleeve inner chamber is equipped with the magnetic ring that is located between positioning snap ring board outside and the sealed cushion, oil pipe's inside is seted up circular shape breach bar groove, and is provided with the interior panel in the inside breach bar groove of oil pipe, the inner circle fixedly connected with evenly distributed's of interior panel annular cushion, positioning sleeve's outside and threaded sleeve's inside screw suit.

Optionally, the outside fixedly connected with fixed bolster of oil pipe short circuit, and the inside joint of fixed bolster has metal protection network, metal protection network parcel oil pipe short circuit's outside.

Optionally, a cavity is arranged inside the oil guide pipe, the cavity inside the oil guide pipe is matched with the size of the inserted oil head, and the inner diameter value of the oil guide pipe is the same as the inner diameter value of the inserted oil head.

Optionally, the protection cushion cover on the plug-in oil head is in mutual extrusion contact with the positioning snap ring plate inside the positioning sleeve, the outer part of the plug-in oil head is in close contact with the annular cushion on the embedded plate, the annular cushion is made of flexible rubber, and the cross section of the annular cushion is in a semi-circular arc shape.

Optionally, the diameter value of the notch that short circuit pullover and grafting oil head formed and the diameter value mutual adaptation of location snap ring board, and the outside of short circuit pullover and the mutual extrusion contact of sealed cushion.

Optionally, an annular space formed between the positioning snap ring plate and the positioning sleeve is matched with the short-circuit sleeve head in size, and the magnetic ring and the short-circuit sleeve head are attracted by magnetic force.

Optionally, the outside of locating sleeve is provided with the screw thread, and even breach groove has been seted up to locating sleeve's outside.

Optionally, threaded sleeve's outside joint has the joint board, and joint board and the inside mutual joint in breach groove of position sleeve, and the joint board has elasticity for circular-arc.

The invention has the following beneficial effects:

1. the sealed oil pipe short joint is characterized in that a positioning sleeve, a positioning clamping ring plate and a short joint sleeve head are simultaneously matched by butt joint between an oil guide pipe and an inserted oil head, an inner panel and an annular rubber gasket which are arranged inside the oil guide pipe are combined, a protective rubber gasket sleeve arranged outside the inserted oil head and a sealing rubber gasket arranged inside the positioning sleeve are combined, the port part of the oil pipe short joint can be sealed twice, negative pressure can be formed between the oil pipe short joint and the outside during oil conveying, the sealing of the port part is ensured, the acting force of attraction is improved by combining the magnetic force between a magnetic ring and the short joint sleeve head, the sealing effect is improved, oil leakage is avoided, and the port part of the device can be sealed more tightly by meshing the threads between the positioning sleeve and the threaded sleeve, so that gap oil leakage is avoided, and a clamping plate and a gap groove are matched, can carry out spacing joint to screw thread interlock department, avoid its too big reverse resilience of pressure, guarantee the stability of junction.

2. This sealed oil pipe short circuit of detaining sets up fixed bolster and metal protection network through the outside at the oil pipe short circuit, can protect the outside of oil pipe short circuit, avoids it to receive the collision damage, causes the oil pipe short circuit to break and damages, has prolonged the life of oil pipe short circuit.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a schematic view of the internal structure of the oil conduit of the present invention;

FIG. 4 is a schematic view of the internal structure of the plugging oil head of the present invention;

FIG. 5 is a schematic structural view of the clamping plate of the present invention;

fig. 6 is a schematic structural view of the threaded sleeve of the present invention.

In the figure: 1. oil pipe short circuit; 101. short-circuit sleeve heads; 2. an oil guide pipe; 3. inserting an oil head; 4. a protective rubber cushion cover; 5. a positioning sleeve; 6. positioning the snap ring plate; 7. an inner panel; 8. an annular rubber pad; 9. a magnetic ring; 10. sealing the rubber gasket; 11. a notch groove; 12. a threaded sleeve; 13. a clamping and connecting plate; 14. fixing a bracket; 15. a metal protective net.

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.

Referring to fig. 1 to 6, the present invention provides a technical solution: a sealed oil pipe short joint comprises an oil pipe short joint 1 and an oil guide pipe 2, wherein two ends of the oil pipe short joint 1 are respectively and fixedly sleeved with a short joint sleeve head 101, two ends of the oil pipe short joint 1 are respectively and fixedly connected with an inserted oil head 3 positioned inside the short joint sleeve head 101, the inserted oil head 3 extends to the outside of the short joint sleeve head 101, an annular notch is formed between the short joint sleeve head 101 and the inserted oil head 3, a protective rubber gasket sleeve 4 positioned inside the notch is fixedly sleeved outside the inserted oil head 3, a threaded sleeve 12 is slidably sleeved outside the oil pipe short joint 1, one end of the oil guide pipe 2 is fixedly connected with a positioning sleeve 5, the inside of the positioning sleeve 5 is hollow, a positioning snap ring plate 6 is fixedly sleeved inside the positioning sleeve 5, the inner diameter value of the positioning snap ring plate 6 is larger than the diameter values of oil guide pipe 2 and oil guide pipe 3, a circle of sealing rubber gasket 10 is fixedly sleeved on the side surface of the inner, an annular space is formed by the positioning snap ring plate 6 and the inner cavity of the positioning sleeve 5, one side of the inner cavity of the positioning sleeve 5 is fixedly sleeved with a magnetic ring 9 positioned between the outside of the positioning snap ring plate 6 and a sealing rubber pad 10, a circular gap strip-shaped groove is formed in the oil guide pipe 2, an inner panel 7 is arranged in the gap strip-shaped groove in the oil guide pipe 2, the inner ring of the inner panel 7 is fixedly connected with uniformly distributed annular rubber pads 8, the inner panel 7 and the annular rubber pads 8 arranged in the oil guide pipe 2 and the protective rubber pad cover 4 arranged outside the oil plug 3 and the sealing rubber pad 10 arranged inside the positioning sleeve 5 can be used for sealing the port of the oil pipe short connector 1 for two times by utilizing the butt joint between the oil guide pipe 2 and the oil plug connector 3 and matching the clamping between the positioning sleeve 5 and the short connector sleeve 101, and negative pressure can be formed between the inner panel 7 arranged inside the oil guide pipe 2 and the annular rubber pads 8 and, when the oil pipe short joint 1 conveys oil, pressure difference is generated between the inside of the oil pipe short joint and the outside, the annular rubber gasket 8, the sealing rubber gasket 10, the protective rubber gasket sleeve 4 and the like form a sealing space between the annular rubber gasket and the sealing rubber gasket, the pressure difference is further ensured, the sealing of a port is ensured, meanwhile, the magnetic attraction between the magnetic ring 9 and the short joint sleeve head 101 is combined, the acting force of the attraction is improved, the sealing effect is improved, the oil leakage is avoided, the outside of the positioning sleeve 5 is sleeved with the internal threads of the threaded sleeve 12, and the port of the oil pipe short joint is more tightly sealed through the thread occlusion between the positioning sleeve 5 and the threaded sleeve 12, so that the oil pipe short joint device is prevented from generating gap oil leakage.

Wherein, the outside fixedly connected with fixed bolster 14 of oil pipe short circuit 1, and the inside joint of fixed bolster 14 has metal protection network 15, and metal protection network 15 wraps up the outside of oil pipe short circuit 1, sets up fixed bolster 14 and metal protection network 15 through the outside at oil pipe short circuit 1, can protect the outside of oil pipe short circuit 1, avoids it to receive the collision damage, causes the damage of breaking of oil pipe short circuit 1, has prolonged oil pipe short circuit 1's life.

Wherein, lead the inside of oil pipe 2 and set up the cavity, the butt joint between the two has been guaranteed to the cavity, and leads the inside cavity of oil pipe 2 and the big or small adaptation of grafting oil head 3, and the internal diameter value of leading oil pipe 2 is the same with the internal diameter value of grafting oil head 3, and is the same through its inner chamber, and it can not change through pressure differential when having guaranteed to carry oil, has guaranteed the pressure differential of kneck, has improved its stable and sealed effect.

Wherein, the mutual extrusion contact of protection cushion cover 4 on the grafting oil head 3 and the inside location snap ring board 6 of position sleeve 5, and the outside of grafting oil head 3 and the annular cushion 8 in close contact with on the embedded board 7, the material of annular cushion 8 is flexible rubber, and the cross-section of annular cushion 8 is half-circular arc, utilize grafting oil head 3, protection cushion cover 4, position sleeve 5, the mutual extrusion contact between location snap ring board 6 and the short circuit sleeve head 101, the sealing of junction has been guaranteed, combine annular cushion 8 simultaneously, can make its inside formation pressure stable, sealed effect has been guaranteed.

Wherein, the mutual adaptation of diameter value and the diameter value of location snap ring board 6 of the diameter value of the notch that short circuit pullover 101 and grafting oil head 3 formed, and the mutual extrusion contact of outside and sealed cushion 10 of short circuit pullover 101, mutual extrusion contact between the two, it is better to the sealed effect of kneck, avoids the seepage of its kneck oil.

Wherein, the annular space that forms between 6 and the position sleeve 5 of location snap ring board and the mutual adaptation of size of short circuit pullover 101, and the mutual magnetic force actuation between magnetic ring 9 and the short circuit pullover 101 adopts the actuation between magnetic ring 9 and the short circuit pullover 101, can carry out inseparable absorption to the exit, has guaranteed connection stability.

Wherein, the outside of position sleeve 5 is provided with the screw thread, and position sleeve 5's outside has seted up even breach groove 11, utilizes breach groove 11, conveniently utilizes joint board 13 to fall the junction of position sleeve 5 and threaded sleeve 12 and carries out the block fixed.

Wherein, threaded sleeve 12's outside joint has joint board 13, and

joint board

13 and 5 inside breach grooves 11 mutual joints of position sleeve, and joint board 13 has elasticity for circular-arc to cooperation joint board 13 and breach grooves 11 can carry out spacing joint to screw thread interlock department, avoid the too big reverse resilience of its pressure, have guaranteed the stability of junction.

In conclusion, in the sealing oil pipe short joint, when in use, firstly, the inside of the oil guide pipe 2 is butted with the outside of the oil head 3 inserted in the oil guide pipe 1, so that the port of the oil head 3 inserted in the oil guide pipe 2 is positioned in the annular space formed between the positioning snap ring plate 6 and the positioning sleeve 5, meanwhile, the outside of the oil head 3 inserted in the annular space is contacted with the outside of the annular rubber gasket 8, the short joint sleeve head 101 is clamped in the annular space formed between the positioning snap ring plate 6 and the positioning sleeve 5, then the threaded sleeve 12 is contacted with the outside of the positioning sleeve 5, the threaded sleeve 12 is screwed with the positioning sleeve 5, the threaded sleeve 12 is sleeved outside the positioning sleeve 5, the clamping plate 13 is clamped in the inner parts of the notch grooves 11 in the threaded sleeve 12 and the positioning sleeve 5, and the joint of the positioning sleeve 5 and the threaded sleeve 12 is further.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a sealed oil pipe short circuit of detaining, includes oil pipe short circuit (1) and leads oil pipe (2), its characterized in that: the oil pipe short circuit protection device is characterized in that the two ends of the oil pipe short circuit (1) are respectively and fixedly sleeved with a short circuit sleeve head (101), the two ends of the oil pipe short circuit (1) are respectively and fixedly connected with a plug-in oil head (3) positioned inside the short circuit sleeve head (101), the plug-in oil head (3) extends to the outside of the short circuit sleeve head (101), an annular notch is formed between the short circuit sleeve head (101) and the plug-in oil head (3), the outside of the plug-in oil head (3) is fixedly sleeved with a protective rubber sleeve cover (4) positioned inside the notch, the outside of the oil pipe short circuit (1) is slidably sleeved with a threaded sleeve (12), one end of the oil guide pipe (2) is fixedly connected with a positioning sleeve (5), the inside of the positioning sleeve (5) is arranged to be hollow, a positioning snap ring plate (6) is fixedly sleeved inside the positioning sleeve (5), and the inner diameter value of the positioning snap ring plate (6) is larger than the, the fixed cover of side surface of positioning sleeve (5) inner chamber is equipped with round sealed cushion (10), the inner chamber of locator card ring board (6) and positioning sleeve (5) forms annular space, the fixed cover in one side of positioning sleeve (5) inner chamber is equipped with magnetic ring (9) that are located between locator card ring board (6) outside and sealed cushion (10), circular shape breach bar groove has been seted up to the inside of leading oil pipe (2), and is provided with interior panel (7) in the breach bar groove of leading oil pipe (2) inside, the inner circle fixedly connected with evenly distributed's of interior panel (7) annular cushion (8), the outside of positioning sleeve (5) and the inside screw suit of threaded sleeve (12).

2. The seal-buckled tubing pup joint of claim 1, wherein: the outside fixedly connected with fixed bolster (14) of oil pipe short circuit (1), and the inside joint of fixed bolster (14) has metal protection net (15), the outside of oil pipe short circuit (1) is wrapped up in metal protection net (15).

3. The seal-buckled tubing pup joint of claim 1, wherein: the oil guide pipe is characterized in that a cavity is formed in the oil guide pipe (2), the cavity in the oil guide pipe (2) is matched with the size of the inserted oil head (3), and the inner diameter value of the oil guide pipe (2) is the same as that of the inserted oil head (3).

4. The seal-buckled tubing pup joint of claim 1, wherein: the protection cushion cover (4) on the plug-in oil head (3) is in mutual extrusion contact with the positioning snap ring plate (6) inside the positioning sleeve (5), and the annular rubber mat (8) on the outer portion of the plug-in oil head (3) and the inner panel (7) is in close contact with the inner panel, the material of the annular rubber mat (8) is flexible rubber, and the cross section of the annular rubber mat (8) is in a semi-circular arc shape.

5. The seal-buckled tubing pup joint of claim 1, wherein: the diameter value of the notch formed by the short-circuit sleeve head (101) and the plug-in oil head (3) and the diameter value of the positioning snap ring plate (6) are mutually matched, and the outer part of the short-circuit sleeve head (101) is in mutual extrusion contact with the sealing rubber gasket (10).

6. The seal-buckled tubing pup joint of claim 1, wherein: the annular space formed between the positioning snap ring plate (6) and the positioning sleeve (5) is matched with the size of the short-circuit sleeve head (101), and the magnetic force ring (9) and the short-circuit sleeve head (101) are attracted by magnetic force.

7. The seal-buckled tubing pup joint of claim 1, wherein: the outside of position sleeve (5) is provided with the screw thread, and even breach groove (11) have been seted up to the outside of position sleeve (5).

8. The seal-buckled tubing pup joint of claim 1, wherein: the outside joint of screw sleeve (12) has joint board (13), and joint board (13) and the inside breach groove (11) of position sleeve (5) joint each other, and joint board (13) are circular-arc to have elasticity.