CN212509895U

CN212509895U - Petroleum pipeline coupling with good torque resistance

Info

Publication number: CN212509895U
Application number: CN202021027085.XU
Authority: CN
Inventors: 高岳; 王斌
Original assignee: Jiangsu Changbao Taobang Petroleum Pipe Co ltd
Current assignee: Jiangsu Changbao Taobang Petroleum Pipe Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-09
Anticipated expiration: 2030-06-08

Abstract

The utility model provides a petroleum pipeline coupling that anti moment of torsion nature is good, include: the coupling comprises a coupling body, a reinforcing rib, a knurling and a sealing gasket; reinforcing ribs are arranged on the outer walls of the two sides of the coupling body, and the coupling body and the reinforcing ribs are of an integrated structure; the knurling is positioned on the outer wall in the middle of the coupling body, and the knurling and the coupling body are of an integrated structure; the sealing gasket is arranged inside the connecting cavity, and the sealing gasket is sleeved with the connecting cavity in a clearance fit manner; the connecting cavities are positioned at two ends in the coupling body and are of an integrated structure with the coupling body; the transition cavity is located in the middle of the coupling body, and the transition cavity and the coupling body are of an integrated structure. Through structurally improving, it is stronger to have whole rigidity, improves anti torque performance greatly to possess stronger sealing performance, improve its practical value advantage such as greatly, thereby effectual solution the utility model provides a problem and not enough.

Description

Petroleum pipeline coupling with good torque resistance

Technical Field

The utility model relates to a coupling technical field, more specifically the theory that says so especially relates to a petroleum pipeline coupling that moment of torsion nature is good.

Background

The pipeline transportation is a transportation mode which is more economical and reasonable in petroleum transportation. In pipeline oil transportation, the connection mode between the pipeline usually adopts the pipeline coupling to connect, and the pipeline coupling has pipy coupling body, and the both ends of coupling body have the connection internal thread, when using pipeline coupling connecting tube, screw into the internal thread of pipeline coupling to the pipeline that has the external screw thread to this forms oil continuous transportation pipeline, realizes the continuous transportation of oil.

However, the common pipe coupling at present has many disadvantages, for example, the wall thickness of the coupling body itself is thin, and lacks certain rigidity reinforcing capability, resulting in poor torque resistance when being connected with the petroleum pipeline, and is easy to cause the problem of breakage, and meanwhile, the sealing performance after being connected with the petroleum pipeline is also poor, which is easy to cause petroleum leakage, resulting in the problem of low practical value, and the like.

In view of the above, the present invention provides a coupling for a petroleum pipeline having a good torque resistance, which is improved in view of the conventional problems, and aims to solve the problems and improve the practical value by using the technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a petroleum pipeline coupling that anti moment of torsion nature is good to solve present common pipeline coupling that proposes in the above-mentioned background art and still have a lot of weak points, for example the wall thickness of coupling body self is thinner, and lack certain rigidity reinforcing ability, it is relatively poor to result in the anti moment of torsion performance when being connected with petroleum pipeline, cause cracked problem easily, simultaneously also relatively poor with the leakproofness behind the petroleum pipeline connection, cause the oil to leak easily, lead to the lower scheduling problem of practical value and not enough.

In order to achieve the above object, the utility model provides a petroleum pipeline coupling that moment of torsion nature is good is reached by following specific technological means:

a good torque resistance petroleum pipeline coupling comprising: the coupling comprises a coupling body, a reinforcing rib, a knurling, a sealing gasket, a connecting cavity and a transition cavity; reinforcing ribs are arranged on the outer walls of the two sides of the coupling body, and the coupling body and the reinforcing ribs are of an integrated structure; the knurling is positioned on the outer wall in the middle of the coupling body, and the knurling and the coupling body are of an integrated structure; the sealing gasket is arranged inside the connecting cavity, and the sealing gasket is sleeved with the connecting cavity in a clearance fit manner; the connecting cavities are positioned at two ends in the coupling body and are of an integrated structure with the coupling body; the transition cavity is located in the middle of the coupling body, and the transition cavity and the coupling body are of an integrated structure.

As the further optimization of this technical scheme, the utility model relates to a petroleum pipeline coupling that moment of torsion resistance nature is good the strengthening rib is the bellied massive structure of arc, and the strengthening rib is the annular array mode and is equipped with many places on the outer wall of coupling body both sides to be two bisymmetry staggered arrangement and set up.

As the further optimization of this technical scheme, the utility model relates to a petroleum pipeline coupling that moment of torsion resistance is good press the decorative pattern to be long banding recess, and press the decorative pattern to be the annular array mode and be equipped with many places on the outer wall in the middle of the coupling body.

As the further optimization of this technical scheme, the utility model relates to a petroleum pipeline coupling that moment of torsion nature is good connect the chamber and be the column hole, and be equipped with the internal thread on the inner wall of connecting the chamber.

As the further optimization of this technical scheme, the utility model relates to a petroleum pipeline coupling that moment of torsion nature is good the transition chamber is circular through-hole, and constitutes the big little shoulder hole in middle of both ends between the chamber of being connected of transition chamber and both sides.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model relates to a petroleum pipeline coupling that anti moment of torsion nature is good through being equipped with the strengthening rib on the outer wall of coupling body both sides to make the connection chamber at this internal both ends of coupling possess stronger rigidity, comparatively durable when being connected with petroleum pipeline, avoid appearing the poor problem that leads to breaking of anti moment of torsion performance.

2. The utility model relates to a petroleum pipeline coupling that anti moment of torsion nature is good is equipped with the transition chamber through the centre at the coupling body to the wall thickness that makes in the middle of the coupling body is handed over thickly, thereby improves the rigidity and the anti moment of torsion performance of coupling body greatly.

3. The utility model relates to a petroleum pipeline coupling that anti torque capacity is good is through setting up sealed the pad in connecting the intracavity to both ends in making the device have stronger sealing performance after being connected with petroleum pipeline, avoid appearing the oil leak, improve the device's practicality then greatly.

4. The utility model discloses a structurally to above-mentioned device, it is stronger to have whole rigidity, improves anti torque performance greatly to possess stronger sealing performance, improve its practical value advantage such as greatly, thereby effectual solution the utility model discloses the problem of proposing in the background art item is with not enough.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic sectional view of the present invention.

In the figure: the coupling comprises a coupling body 1, a reinforcing rib 2, a knurling 3, a sealing gasket 4, a connecting cavity 101 and a transition cavity 102.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and 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.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 2, the present invention provides a specific technical implementation of a petroleum pipeline coupling with good torque resistance:

a good torque resistance petroleum pipeline coupling comprising: the coupling comprises a coupling body 1, a reinforcing rib 2, knurling 3, a sealing gasket 4, a connecting cavity 101 and a transition cavity 102; the outer walls of the two sides of the coupling body 1 are provided with reinforcing ribs 2, and the coupling body 1 and the reinforcing ribs 2 are of an integrated structure; the knurling 3 is positioned on the outer wall of the middle of the coupling body 1, and the knurling 3 and the coupling body 1 are of an integrated structure; the sealing gasket 4 is arranged inside the connecting cavity 101, and the sealing gasket 4 is sleeved with the connecting cavity 101 in a clearance fit manner; the connecting cavities 101 are positioned at two ends in the coupling body 1, and the connecting cavities 101 and the coupling body 1 are of an integrated structure; the transition cavity 102 is located at the middle position in the coupling body 1, and the transition cavity 102 and the coupling body 1 are of an integrated structure.

Specifically, strengthening rib 2 is the bellied massive structure of arc, and strengthening rib 2 is equipped with many places on the outer wall of coupling body 1 both sides in the annular array mode to be two bisymmetry staggered arrangement setting.

Specifically, the knurling 3 is a long-strip-shaped groove, the knurling 3 is arranged on the outer wall in the middle of the coupling body 1 in an annular array mode, the knurling 3 can enable the coupling body 1 to be screwed with a petroleum pipeline to enable the coupling body to be conveniently clamped tightly, and the slipping problem is avoided.

Specifically, the connection cavity 101 is a cylindrical hole, and an internal thread is provided on an inner wall of the connection cavity 101.

Specifically, the transition cavity 102 is a circular through hole, a stepped hole with large ends and small middle is formed between the transition cavity 102 and the connection cavities 101 at two sides, and the sealing performance of the device and a petroleum pipeline can be effectively improved by matching the stepped hole with a sealing gasket.

The method comprises the following specific implementation steps:

firstly, the device is arranged between petroleum pipelines needing to be connected, then the sealing gasket 4 is placed into the connecting cavity 101, then the connecting cavity 101 and the petroleum pipelines are screwed to be connected, the butt joint operation can be completed, in the process, the reinforcing ribs 2 can ensure the rigidity of the connecting cavity 102, the connecting cavity 102 is more firm when being screwed, and the wall thickness of the transition cavity 102 is thicker, so that the device has stronger torque resistance, and the practical value of the device is greatly improved.

In summary, the following steps: according to the petroleum pipeline coupling with good torque resistance, the reinforcing ribs are arranged on the outer walls of the two sides of the coupling body, so that the connecting cavities at the two ends in the coupling body have stronger rigidity and are firmer when being connected with a petroleum pipeline, and the problem of fracture caused by poor torque resistance is avoided; the transition cavity is arranged in the middle of the coupling body, so that the wall thickness in the middle of the coupling body is thickened, and the rigidity and the torque resistance of the coupling body are greatly improved; through set up sealed the pad in connecting the intracavity to both ends in making the device have stronger sealing performance after being connected with petroleum pipeline, avoid appearing the oil leak, improve the device's practicality then greatly.

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 good torque resistance petroleum pipeline coupling comprising: the coupling comprises a coupling body (1), a reinforcing rib (2), knurling (3), a sealing gasket (4), a connecting cavity (101) and a transition cavity (102); the method is characterized in that: reinforcing ribs (2) are arranged on the outer walls of the two sides of the coupling body (1), and the coupling body (1) and the reinforcing ribs (2) are of an integrated structure; the knurling (3) is positioned on the outer wall in the middle of the coupling body (1), and the knurling (3) and the coupling body (1) are of an integrated structure; the sealing gasket (4) is arranged inside the connecting cavity (101), and the sealing gasket (4) is sleeved with the connecting cavity (101) in a clearance fit manner; the connecting cavities (101) are positioned at two ends in the coupling body (1), and the connecting cavities (101) and the coupling body (1) are of an integrated structure; the transition cavity (102) is located in the middle of the coupling body (1), and the transition cavity (102) and the coupling body (1) are of an integrated structure.

2. A petroleum pipeline coupling with good torque resistance as defined in claim 1, wherein: the reinforcing ribs (2) are of arc-shaped protruding block structures, and the reinforcing ribs (2) are arranged on the outer walls of the two sides of the coupling body (1) in an annular array mode and are arranged in a pairwise symmetrical and staggered mode.

3. A petroleum pipeline coupling with good torque resistance as defined in claim 1, wherein: the embossing patterns (3) are long-strip-shaped grooves, and a plurality of positions are arranged on the outer wall in the middle of the coupling body (1) in an annular array mode through the embossing patterns (3).

4. A petroleum pipeline coupling with good torque resistance as defined in claim 1, wherein: the connecting cavity (101) is a cylindrical hole, and an internal thread is arranged on the inner wall of the connecting cavity (101).

5. A petroleum pipeline coupling with good torque resistance as defined in claim 1, wherein: the transition cavity (102) is a circular through hole, and a stepped hole with two large ends and a small middle is formed between the transition cavity (102) and the connecting cavities (101) at the two sides.