CN209925806U

CN209925806U - Pipe connecting pipe structure for petroleum engineering

Info

Publication number: CN209925806U
Application number: CN201920439106.XU
Authority: CN
Inventors: 刘小军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-01-10
Anticipated expiration: 2029-04-02

Abstract

The utility model provides a pipeline connecting pipe structure for petroleum engineering, which comprises a pipeline, a sealing bevel opening and an inner ring clamping platform; one group of the inner connecting rings are pressed between the inner parts of the two groups of the pipelines; the outer sides of the joints of the two groups of pipelines are sleeved with a group of outer sealing gaskets together; two groups of the hoops are sleeved outside the joints of the two groups of the pipelines; and the two groups of clamps are in compression connection through bolts. The inner ring is arranged between the two groups of pipelines, and the inner ring clamping table is matched with the sealing bevel taper surface for sealing, so that a good sealing effect is achieved; meanwhile, an outer sealing gasket is arranged on the outer side of the pipeline connector, and the outer sealing gasket is tightly pressed through a hoop convex block, so that the pipeline is sealed secondarily; the device simple structure, installation convenient operation, the construction speed is fast, low cost connects firmly, through secondary seal's mode, improves sealing performance simultaneously.

Description

Pipe connecting pipe structure for petroleum engineering

Technical Field

The utility model belongs to the technical field of the piping erection, more specifically says, in particular to pipe connection tubular construction that oil engineering used.

Background

In the construction of petroleum engineering, the pipelines are required to be connected together through petroleum pipelines, and in the connection of the pipelines, the connection modes such as welding connection, threaded connection, flange connection, groove connection and the like are generally adopted, wherein the groove connection is widely used due to the characteristic of convenient installation.

For example, application No.: CN201020184314.9 the utility model discloses a lining plastic steel pipe, especially a groove is connected and is used lining plastic steel pipe. The utility model provides a steel pipe is moulded with lining to convenient construction, connection safe and reliable's slot connection, mould steel pipe, sealing washer, slot joint including the lining, the lining is moulded the steel pipe and is connected and sealed through slot joint and sealing washer, and the outer wall that the steel pipe end was moulded to the lining is provided with the steel ring, is provided with the recess with steel ring looks adaptation on the inner wall that the slot connects. The steel ring is arranged at the end of the plastic-lined steel pipe, so that a groove is processed on the end of the plastic-lined steel pipe in a rolling way without using special mechanical equipment during connection, the lining plastic pipe is prevented from being damaged by rolling and cutting, the integrity and the corrosion resistance of the lining plastic pipe are ensured, the phenomenon that the end of the steel pipe deforms into a horn shape during groove rolling is avoided, and the sealing performance of the sealing ring is ensured. The port of the steel pipe is provided with an anticorrosive coating, and the steel pipe has excellent anticorrosive performance.

Based on the above, the inventor finds that the sealing ring is easy to age in the use process due to the fact that the sealing ring is only used for sealing in the use process of the existing groove connection mode, leakage can occur once the sealing ring is aged, and meanwhile, the pipeline positioning capacity is poor, and the connection strength is affected.

In view of the above, research and improvement are made on the existing structure and defects, and a pipe connection pipe structure for oil engineering is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a pipe connection tubular construction that oil engineering used to solve current slot connection mode and owing to only seal through the sealing washer in the process of using, produce ageing easily at the process sealing washer of using, in case the sealing washer produces ageing situation that will appear revealing, pipeline location ability is relatively poor simultaneously, influences the joint strength problem.

The utility model discloses purpose and efficiency of pipe connection tubular construction that oil engineering used are reached by following concrete technical means:

the pipeline connecting pipe structure for petroleum engineering comprises a pipeline, a sealing bevel opening, a pipeline groove, a clamp lug, an outer sealing gasket, an inner connecting ring and an inner ring clamping table; one group of the inner connecting rings are pressed between the inner parts of the two groups of the pipelines; the outer sides of the joints of the two groups of pipelines are sleeved with a group of outer sealing gaskets together; two groups of the hoops are sleeved outside the joints of the two groups of the pipelines; and the two groups of clamps are in compression connection through bolts.

Further, every group the outside of pipeline all is provided with a set ofly the pipeline slot, the inside a set of that all is provided with of the left and right sides of clamp the clamp lug, the clamp lug with the cooperation of pipeline slot will be two sets of pipeline fastening connection.

Furthermore, one side of the shaft end of the pipeline groove is a conical inclined plane, the inner side surface of each hoop bump is a conical inclined plane, and the conical inclined plane of the pipeline groove is matched with the conical inclined plane of each hoop bump through a conical surface and is positioned.

Furthermore, the sealing bevel opening with a conical surface structure is arranged inside the port of the pipeline, a group of inner ring clamping platforms are arranged on the left end surface and the right end surface of the inner ring, the outer circular surface of each inner ring clamping platform is a conical surface, and the conical surface of each inner ring clamping platform is matched with the sealing bevel opening.

Furthermore, a group of conical surfaces is arranged on the left end surface and the right end surface of the outer sealing gasket, and the outer conical surface of the outer sealing gasket is matched with the inner conical surface of the clamp convex block.

Compared with the prior art, the utility model discloses following beneficial effect has:

when two groups of pipelines are connected, the clamp lugs are matched with the pipe grooves, the conical inclined surfaces of the pipeline grooves and the conical inclined surfaces of the clamp lugs are used for positioning, and the two groups of pipelines are tensioned by matching the conical inclined surfaces of the pipeline grooves and the conical inclined surfaces of the clamp lugs, so that the pipelines and the clamp are prevented from moving, and the clamp has good connection performance and good connection strength; meanwhile, the inner rings are arranged between the two groups of pipelines, and the inner ring clamping tables are matched with the sealing bevel taper conical surfaces for sealing, so that a good sealing effect is achieved; meanwhile, an outer sealing gasket is arranged on the outer side of the pipeline connector, and the outer sealing gasket is tightly pressed through a hoop convex block, so that the pipeline is sealed secondarily; the device simple structure, installation convenient operation, the construction speed is fast, low cost connects firmly, through secondary seal's mode, improves sealing performance simultaneously.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic view of the cross-sectional axial structure of the present invention.

Fig. 3 is a schematic view of the structure of the pipeline on the shaft side.

Fig. 4 is a schematic view of the clamp shaft side structure of the present invention.

Fig. 5 is a schematic diagram of the outer seal gasket shaft side structure of the present invention.

Fig. 6 is a schematic side view of the inner joint ring of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a pipeline; 101. sealing the bevel opening; 102. a pipe trench; 2. clamping a hoop; 201. a clamp lug; 3. an outer seal gasket; 4. an inner connecting ring; 401. the inner ring is clamped on the table.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; 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.

Example (b):

as shown in figures 1 to 6:

the utility model provides a pipeline connecting pipe structure for petroleum engineering, which comprises a pipeline 1, a sealing bevel 101, a pipeline groove 102, a hoop 2, a hoop bump 201, an outer sealing pad 3, an inner connecting ring 4 and an inner ring clamping table 401; a group of inner rings 4 are pressed between the inner parts of the two groups of pipes 1; a group of outer sealing gaskets 3 is sleeved on the outer side of the joint of the two groups of pipelines 1; two groups of the hoops 2 are sleeved outside the joints of the two groups of the pipelines 1; and the two groups of clamps 2 are connected through bolt compression.

Wherein, every group the outside of pipeline 1 all is provided with a set ofly pipeline slot 102, the inside a set of that all is provided with in the left and right sides of clamp 2 clamp lug 201, clamp lug 201 with pipeline slot 102 cooperation will be two sets of 1 fastening connection of pipeline prevents clamp 2 with axial float appears between the pipeline 1.

Wherein, the axle head one side of pipeline slot 102 is the circular cone inclined plane, every group the medial surface of clamp lug 201 is the circular cone inclined plane, the circular cone inclined plane of pipeline slot 102 with the circular cone inclined plane of clamp lug 201 passes through circular cone surface cooperation and location, will two sets of when clamp 2 compresses tightly pipeline 1 toward inboard pulling.

The pipe joint sealing device comprises a pipe 1, a sealing bevel opening 101 with a conical surface structure is arranged in a port of the pipe 1, a group of inner ring clamping platforms 401 are arranged on the left end surface and the right end surface of an inner ring 4, the outer circular surface of each inner ring clamping platform 401 is a conical surface, the conical surfaces of the inner ring clamping platforms 401 are matched with the sealing bevel opening 101, and when two groups of pipes 1 are tensioned towards the inner side, the conical surfaces of the inner ring clamping platforms 401 are tightly pressed with the sealing bevel opening 101 to seal a pipe joint.

The left end face and the right end face of the outer sealing gasket 3 are provided with a group of conical surfaces, the outer conical surface of the outer sealing gasket 3 is matched with the inner conical surface of the clamp convex block 201, and when the clamp 2 is compressed, the inner conical surface of the clamp convex block 201 is matched with the outer conical surface of the outer sealing gasket 3 to compress a pipeline interface for secondary sealing.

The specific use mode and function of the embodiment are as follows:

when using, overlap outer sealing pad 3 on a set of pipeline 1 earlier, place two sets of pipeline 1's kneck with interior ring 4, and make inner ring card platform 401 and sealed bevel connection 101 cooperation, cover the kneck of outer sealing pad 3 on two sets of pipelines 1, overlap the kneck of clamp 2 on two sets of pipelines 1 and make clamp lug 201 card go into in the pipeline slot 102, screw up the bolt, two sets of clamp 2 compress tightly, conical surface through clamp lug 201 and the conical surface cooperation of pipeline slot 102 are with two sets of pipelines 1 toward middle pulling, inner ring card platform 401 compresses tightly with sealed bevel connection 101, seal, the inclined plane of clamp lug 201 compacts outer sealing pad 3 simultaneously, carry out the secondary seal.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Pipeline connection tubular construction that oil engineering used, its characterized in that: the pipeline connecting pipe structure for the petroleum engineering comprises a pipeline (1), a sealing bevel opening (101), a pipeline groove (102), a clamp (2), a clamp convex block (201), an outer sealing gasket (3), an inner ring (4) and an inner ring clamping table (401); a group of inner rings (4) are pressed in the middle of the inner parts of the two groups of pipelines (1); a group of outer sealing gaskets (3) is sleeved on the outer side of the joint of the two groups of pipelines (1); two groups of clamps (2) are sleeved outside the joints of the two groups of pipelines (1); and the two groups of clamps (2) are in compression connection through bolts.

2. The pipe joint structure for oil works according to claim 1, wherein: every group the outside of pipeline (1) all is provided with a set of pipeline slot (102), the inside a set of that all is provided with in the left and right sides of clamp (2) clamp lug (201), clamp lug (201) with pipeline slot (102) cooperation will be two sets of pipeline (1) fastening connection.

3. The pipe joint structure for oil works according to claim 1, wherein: one side of the shaft end of the pipeline groove (102) is a conical inclined plane, the inner side surface of the clamp lug (201) in each group is a conical inclined plane, and the conical inclined plane of the pipeline groove (102) is matched with the conical inclined plane of the clamp lug (201) through a conical surface and is positioned.

4. The pipe joint structure for oil works according to claim 1, wherein: the sealing bevel connection structure is characterized in that the sealing bevel connection (101) with a conical surface structure is arranged inside a port of the pipeline (1), a group of inner ring clamping platforms (401) are arranged on the left end surface and the right end surface of the inner ring (4), the outer circular surface of each inner ring clamping platform (401) is a conical surface, and the conical surface of each inner ring clamping platform (401) is matched with the sealing bevel connection (101).

5. The pipe joint structure for oil works according to claim 1, wherein: the clamp is characterized in that a group of conical surfaces are arranged on the left end surface and the right end surface of the outer sealing gasket (3), and the outer conical surface of the outer sealing gasket (3) is matched with the inner conical surface of the clamp convex block (201).