CN219221570U

CN219221570U - Coupling assembling and petroleum pipeline

Info

Publication number: CN219221570U
Application number: CN202223448729.4U
Authority: CN
Inventors: 张正友; 毛兆祥
Original assignee: Yancheng Jingyi Machinery Co ltd
Current assignee: Yancheng Jingyi Machinery Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-20
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to the technical field of petroleum pipelines, in particular to a connecting assembly and a petroleum pipeline, which comprise a first petroleum pipeline, a second petroleum pipeline and a connecting flange, wherein the connecting end of the first petroleum pipeline is fixedly provided with the connecting flange, the connecting end of the second petroleum pipeline is fixedly provided with the connecting flange, the connecting assembly and the connecting flange are fixedly connected through bolts, and the connecting position of the connecting flange is in auxiliary connection through a connecting auxiliary piece; the auxiliary connection is sealed through the auxiliary connection piece, namely, the gap of the flange connection position is tightly pressed and sealed through the semi-annular guard plate, and the auxiliary connection piece is matched with the threaded rod piece, the auxiliary convex column, the compression ring, the annular compression groove and the internal thread locking ring for use, so that the connection tightness of the petroleum pipeline is improved, the oil liquid is prevented from overflowing, the resources are saved, and the actual working requirements are met.

Description

Coupling assembling and petroleum pipeline

Technical Field

The utility model relates to the technical field of petroleum pipelines, in particular to a connecting component and a petroleum pipeline.

Background

For the Chinese patent document with the publication number of CN214368387U and the publication date of 20211008, a flange connection assembly of petroleum pipelines is disclosed; the sealing structure aims at the technical problems that when a petroleum pipeline is connected by adopting a flange in the prior art, only one circle of rubber ring gasket is arranged, the sealing effect is general, and potential safety hazards exist, so that improvement and optimization are carried out; the oil pipeline flange connection assembly is provided with a first flange plate and a second flange plate, three sealing rings are arranged between the first flange plate and the second flange plate, the sealing effect is excellent, and the oil pipeline flange connection assembly is fixedly connected through connecting bolts. The periphery of the first flange plate and the second flange plate is also sleeved with a main sealing rubber ring, so that the sealing effect of the petroleum pipeline connecting part is further improved. The main sealing rubber ring is fixed through the sealing ring fixing ring sleeve and is tightly fixed, so that the sealing effect of the main sealing rubber ring is ensured. Meanwhile, the first flange plate and the second flange plate can be further fixed by the aid of the sealing ring fixing ring sleeve, and firmness of the connecting part of the petroleum pipeline is improved.

In the prior art, the petroleum pipeline flange is fastened and connected through the bolts, the tightness is difficult to be ensured, and the oil is inevitably overflowed outwards from the flange connection position, so that the resource waste is caused, and the further improvement and optimization are needed.

Therefore, the utility model provides a connecting assembly and a petroleum pipeline for solving the problems.

Disclosure of Invention

The utility model aims to provide a connecting component and a petroleum pipeline, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the connecting assembly comprises a first petroleum pipeline, a second petroleum pipeline and a connecting flange, wherein the connecting end of the first petroleum pipeline is fixedly provided with the connecting flange, the connecting end of the second petroleum pipeline is fixedly provided with the connecting flange, the connecting flange and the connecting flange are fixedly connected through bolts, and the connecting position of the connecting flange is in auxiliary connection through a connecting auxiliary piece;

the auxiliary connecting piece comprises a semi-annular guard plate, a limiting side plate, a sealing gasket, a threaded rod piece, an auxiliary convex column, a compression ring, an annular compression groove, an internal threaded locking ring, a rotary auxiliary handle, a movable compression column and an auxiliary spring.

Preferably, the semi-annular guard plate is sleeved at the connecting position of the connecting flange, the limit side plates are symmetrically and fixedly arranged on two sides of the semi-annular guard plate, the sealing gasket is fixedly arranged on the inner side wall of the semi-annular guard plate, the threaded rod piece is symmetrically and fixedly arranged at the side positions of two ends of the semi-annular guard plate, the threaded rod piece is fixedly provided with an auxiliary convex column, the movable sleeve of the clamping ring is arranged on the threaded rod piece, the inner side wall of one side of the clamping ring is provided with an annular pressing groove, the outer side wall of one end of the locking ring of the internal thread is fixedly provided with a rotary auxiliary handle, the end face of one end of the locking ring of the internal thread is equidistantly provided with a cylindrical groove, the movable pressing column is movably arranged in the cylindrical groove, one end of the movable pressing column extends to the outer side of the cylindrical groove, the end of the movable pressing column is provided with a spherical surface, the other end of the movable pressing column is fixedly provided with an auxiliary spring, and one end of the auxiliary spring is fixedly arranged in the cylindrical groove.

Preferably, the semi-annular guard plates are symmetrically provided with two groups, and the two semi-annular guard plates form one annular guard plate.

Preferably, the two ends of the semi-annular guard plate are symmetrically provided with two groups of threaded rod pieces, and the two threaded rod pieces are attached to form a threaded column.

Preferably, the sealing gasket is an arc gasket, and the arc gasket corresponds to the arrangement position of the connecting flange.

Preferably, the annular pressing groove corresponds to the auxiliary convex column.

A petroleum pipeline includes a connection assembly.

Compared with the prior art, the utility model has the beneficial effects that:

the connecting component for the petroleum pipeline, which is designed by the utility model, is used for sealing auxiliary connection through the connecting auxiliary piece, namely, the gap of the flange connection position is tightly pressed and sealed through the semi-annular guard plate, and the connecting component is matched with the threaded rod piece, the auxiliary convex column, the compression ring, the annular compression groove and the internal thread locking ring for use, so that the connection tightness of the petroleum pipeline is improved, the overflow of oil is avoided, the resources are saved, and the actual working requirement is met.

Drawings

FIG. 1 is a schematic diagram of the structural connection of a first petroleum pipeline with a second petroleum pipeline and a connection auxiliary according to the present utility model;

FIG. 2 is an enlarged schematic view of a portion of the structural joint of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of the connection auxiliary member structure of the present utility model;

FIG. 4 is an enlarged partial schematic view of the connection of the compression ring and the internally threaded locking ring of FIG. 3 in accordance with the present utility model;

FIG. 5 is an enlarged partial schematic view of the semi-annular shield structure of FIG. 3 in accordance with the present utility model;

figure 6 is a partial cross-sectional view of an internally threaded locking ring structure connection in a connection aid of the present utility model.

In the figure: the oil pipeline comprises a first oil pipeline 1, a second oil pipeline 2, a connecting flange 3, a semi-annular guard plate 4, a limiting side plate 5, a sealing gasket 6, a threaded rod piece 7, an auxiliary convex column 8, a compression ring 9, an annular compression groove 10, an internal threaded locking ring 11, a rotary auxiliary handle 12, a movable compression column 13 and an auxiliary spring 14.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below. Embodiments of the present utility model are intended to be within the scope of the present utility model as defined by the appended claims.

Referring to fig. 1 to 6, the present utility model provides a technical solution: the connecting assembly comprises a first petroleum pipeline 1, a second petroleum pipeline 2 and a connecting flange 3, wherein the connecting end of the first petroleum pipeline 1 is fixedly provided with the connecting flange 3, the connecting end of the second petroleum pipeline 2 is fixedly provided with the connecting flange 3, the connecting flange 3 and the connecting flange 3 are fixedly connected through bolts, and the connecting position of the connecting flange 3 is in auxiliary connection through a connecting auxiliary piece;

the auxiliary connecting piece comprises a semi-annular guard plate 4, a limiting side plate 5, a sealing gasket 6, a threaded rod piece 7, an auxiliary convex column 8, a compression ring 9, an annular compression groove 10, an internal threaded locking ring 11, a rotary auxiliary handle 12, a movable compression column 13 and an auxiliary spring 14; the semi-annular guard plate 4 is sleeved at the connecting position of the connecting flange 3, limit side plates 5 are symmetrically and fixedly arranged on two sides of the semi-annular guard plate 4, sealing gaskets 6 are fixedly arranged on the inner side walls of the semi-annular guard plate 4, threaded rod pieces 7 are symmetrically and fixedly arranged at the side positions of two ends of the semi-annular guard plate 4, auxiliary convex columns 8 are fixedly arranged on the threaded rod pieces 7, a movable sleeve of a clamp ring 9 is arranged on the threaded rod pieces 7, annular pressing grooves 10 are formed in the inner side walls of one sides of the clamp ring 9, rotary auxiliary handles 12 are fixedly arranged on the outer side walls of one ends of the internal threaded locking rings 11 at equal intervals, cylindrical grooves are formed in the end faces of one ends of the internal threaded locking rings 11 at equal intervals, movable pressing columns 13 are movably arranged in the cylindrical grooves, one ends of the movable pressing columns 13 extend to the outer sides of the cylindrical grooves, the end parts of the movable pressing columns are provided with spherical surfaces, auxiliary springs 14 are fixedly arranged at the other ends of the auxiliary springs 14; two groups of semi-annular guard plates 4 are symmetrically arranged, and the two semi-annular guard plates 4 form an annular guard plate; two groups of threaded rod pieces 7 are symmetrically arranged at two ends of the semi-annular guard plate 4, and the two threaded rod pieces 7 are attached to form a threaded column; the sealing gasket 6 is an arc gasket, and corresponds to the arrangement position of the connecting flange 3; the annular pressing groove 10 corresponds to the arrangement position of the auxiliary convex column 8.

A petroleum pipeline includes a connection assembly.

After the first petroleum pipeline 1 and the second petroleum pipeline 2 are connected and fixed through the matching adaptation of the connecting flange 3 and the bolts, auxiliary connection is performed through the auxiliary connection piece; namely, the semi-annular guard plate 4 is sleeved at the connecting position of the two connecting flanges 3, two semi-annular guard plates 4 are used for forming an annular guard plate, gaps of the connecting positions of the connecting flanges 3 are sealed by the annular guard plates, meanwhile, threaded rods 7 at two ends of the connecting flanges 3 are attached to each other to form a threaded column, then the compression ring 9 is sleeved on the threaded column, the internal thread locking ring 11 is in threaded connection with the threaded column, the internal thread locking ring 11 is rotated by rotating the auxiliary handle 12 until the internal thread locking ring 11 is screwed, in the process, the movable compression column 13 at one end of the auxiliary handle 12 pushes the compression ring 9, meanwhile, an auxiliary spring 14 connected with the movable compression column 13 is in a compressed state, the internal thread locking ring 11 is locked under the rebound extrusion action of the auxiliary spring 14, the compression ring 9 is pushed, the annular compression groove 10 at one end inner side wall of the compression ring 9 extrudes the auxiliary convex column 8, the semi-annular guard plate 4 compresses the gaps of the connecting flanges 3, and the stability of the connection of the semi-annular guard plate 4 is ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A connection assembly, characterized in that: the connecting device comprises a first petroleum pipeline (1), a second petroleum pipeline (2) and a connecting flange (3), wherein the connecting end of the first petroleum pipeline (1) is fixedly provided with the connecting flange (3), the connecting end of the second petroleum pipeline (2) is fixedly provided with the connecting flange (3), the first petroleum pipeline and the connecting flange are fixedly connected through bolts, and the connecting position of the connecting flange (3) is in auxiliary connection through a connecting auxiliary piece;

the auxiliary connecting piece comprises a semi-annular guard plate (4), a limiting side plate (5), a sealing gasket (6), a threaded rod piece (7), an auxiliary convex column (8), a compression ring (9), an annular compression groove (10), an internal threaded locking ring (11), a rotary auxiliary handle (12), a movable compression column (13) and an auxiliary spring (14).

2. A connection assembly according to claim 1, wherein: the semi-annular guard plate (4) is sleeved at the connecting position of the connecting flange (3), limiting side plates (5) are fixedly arranged on two sides of the semi-annular guard plate (4) symmetrically, sealing gaskets (6) are fixedly arranged on the inner side walls of the semi-annular guard plate (4), threaded rod pieces (7) are symmetrically and fixedly arranged at the side positions of two ends of the semi-annular guard plate (4), auxiliary protruding columns (8) are fixedly arranged on the threaded rod pieces (7), movable sleeves of the clamp rings (9) are arranged on the threaded rod pieces (7), annular pressing grooves (10) are formed in the inner side walls of one sides of the clamp rings (9), rotary auxiliary handles (12) are fixedly arranged on the outer side walls of one ends of the inner threaded locking rings (11) at equal intervals, cylindrical grooves are formed in the end faces of one ends of the inner threaded locking rings (11) at equal intervals, movable pressing columns (13) are movably arranged in the cylindrical grooves, one ends of the movable pressing columns (13) extend to the outer sides of the cylindrical grooves, the end portions of the movable pressing columns are fixedly provided with auxiliary springs (14), and one ends of the other ends of the movable pressing columns are fixedly arranged in the spherical surfaces.

3. A connection assembly according to claim 2, wherein: two groups of semi-annular guard plates (4) are symmetrically arranged, and the two semi-annular guard plates (4) form an annular guard plate.

4. A connection assembly according to claim 1, wherein: two groups of threaded rod pieces (7) are symmetrically arranged at two ends of the semi-annular guard plate (4), and the two threaded rod pieces (7) are attached to form a threaded column.

5. A connection assembly according to claim 2, wherein: the sealing gasket (6) is an arc gasket, and the arc gasket corresponds to the arrangement position of the connecting flange (3).

6. A connection assembly according to claim 2, wherein: the annular pressing groove (10) corresponds to the arrangement position of the auxiliary convex column (8).

7. A petroleum pipeline, characterized in that: a connection assembly comprising any of the above claims 1-6.