CN220118858U

CN220118858U - Petrochemical pipeline connection structure

Info

Publication number: CN220118858U
Application number: CN202223514152.2U
Authority: CN
Inventors: 周斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-12-01
Anticipated expiration: 2032-12-28

Abstract

The utility model belongs to the field of connecting structures, in particular to a petrochemical pipeline connecting structure, which comprises a plurality of pipelines, wherein a connecting sleeve is arranged between two pipelines, the pipelines are matched with the connecting sleeve, an annular partition plate is fixedly arranged on the inner wall of each pipeline, annular convex blocks are arranged on two sides of each annular partition plate, the pipelines are matched with the annular convex blocks, a plurality of chambers are formed in each connecting sleeve, a moving plate is slidably arranged in each chamber, two clamping seats are fixedly arranged on one side, close to each pipeline, of each moving plate, a plurality of trapezoid grooves are formed in the outer side of each pipeline, each clamping seat is matched with the corresponding trapezoid groove, a limiting mechanism is arranged between each moving plate and each chamber, a driving mechanism is arranged on each connecting sleeve, and each driving mechanism is connected with each moving plate. The utility model has reasonable design, is convenient for positioning the pipeline through the positioning mechanism, and can realize the purpose of increasing the tightness between the pipeline and the connecting sleeve through the cooperation of the pipeline, the annular convex blocks and the sealing rings.

Description

Petrochemical pipeline connection structure

Technical Field

The utility model relates to the technical field of connection structures, in particular to a petrochemical pipeline connection structure.

Background

At present, pipeline connection refers to connecting prefabricated pipeline sections into a complete system according to the requirements of a design drawing; the common steel pipes are connected by screw threads, flanges, welding, socket connection, pipeline bonding connection and the like.

In the existing engineering construction process, two pipelines are often required to be connected for use, the connection mode of the pipelines depends on the structure of an interface, the joint of a general chemical pipeline is provided with an annular surface with the diameter larger than that of the pipeline, bolt holes are formed in the periphery of the annular surface, a large number of bolts are required for achieving connection strength, the pipelines are sealed through sealing rings, but the sealing rings are easily affected by the environment of expansion caused by heat and contraction caused by cold, so that the tightness of the pipelines is affected, and therefore, the petrochemical pipeline connection structure is used for solving the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a petrochemical pipeline connecting structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the petrochemical pipeline connecting structure comprises a plurality of pipelines, wherein a connecting sleeve is arranged between two pipelines, the pipelines are matched with the connecting sleeve, annular partition plates are fixedly arranged on the inner walls of the pipelines, annular protruding blocks are arranged on two sides of each annular partition plate, and the pipelines are matched with the annular protruding blocks;

a plurality of cavities are formed in the connecting sleeve, a movable plate is slidably mounted in the cavities, two clamping seats are fixedly mounted on one side, close to the pipeline, of the movable plate, a plurality of trapezoid grooves are formed in the outer side of the pipeline, and the clamping seats are matched with the corresponding trapezoid grooves.

Preferably, a limiting mechanism is arranged between the movable plate and the chamber, a driving mechanism is arranged on the connecting sleeve, and the driving mechanism is connected with the movable plate.

Preferably, the limiting mechanism comprises a limiting rod and a limiting hole, the limiting hole is formed in the moving plate, the limiting rod is fixedly mounted on the inner wall of the cavity, and the limiting rod is in sliding connection with the corresponding limiting hole.

Preferably, the driving mechanism comprises a threaded hole, a driving screw and a knob, wherein a plurality of threaded holes are formed in the outer side of the connecting sleeve, the threaded holes are communicated with the cavity, the driving screw rotationally connected with the moving plate is installed in the threaded holes in a threaded mode, and one end of the driving screw extends to the outer side of the connecting sleeve and is provided with the knob.

Preferably, the outside fixed mounting of drive screw has the guide holder, has seted up the recess on the movable plate, has seted up the guide way on the inner wall of recess, and guide holder and guide way sliding connection.

Preferably, an annular locating plate is fixedly arranged on the pipeline, and a locating mechanism is arranged between the annular locating plate and the connecting sleeve.

Preferably, the positioning mechanism comprises a positioning groove and a positioning seat, the positioning groove is formed in the connecting sleeve, the positioning seat is fixedly mounted on the annular positioning plate, and the positioning seat is matched with the corresponding positioning groove.

Preferably, sealing rings are arranged on two sides of the annular partition plate, and the pipeline is matched with the sealing rings.

The utility model has the beneficial effects that:

1. when the pipelines are connected, the two pipelines are installed in the same connecting sleeve, the pipelines can drive the annular positioning plate to move, the annular positioning plate can drive the positioning seat to be clamped into the positioning groove, so that the pipelines are positioned, and the pipelines are sleeved on the annular convex blocks;

2. through rotating the knob, the knob can drive the drive screw to rotate, under the effect of screw hole, can realize that the drive screw rotates simultaneously and removes, and the drive screw can drive movable plate and cassette and remove, and the cassette can block into the dovetail groove, and the cassette extrudees the pipeline to annular bump's direction through the hypotenuse of dovetail groove, can realize carrying out sealed purpose to pipeline and adapter sleeve, and the removal of pipeline can extrude the sealing washer, can realize increasing the leakproofness of pipeline and adapter sleeve.

Drawings

FIG. 1 is a schematic perspective view of a petrochemical pipeline connection structure according to the present utility model;

FIG. 2 is a schematic diagram of a petrochemical pipeline connection structure according to the present utility model;

FIG. 3 is a schematic structural diagram of a portion A of a petrochemical pipeline connecting structure according to the present utility model;

fig. 4 is a schematic diagram of a B-part structure of a petrochemical pipeline connection structure according to the present utility model.

In the figure: 1. a pipe; 2. connecting sleeves; 3. an annular partition plate; 4. an annular bump; 5. a seal ring; 6. a chamber; 7. a moving plate; 8. a limit rod; 9. a threaded hole; 10. driving a screw; 11. a knob; 12. a trapezoid groove; 13. a clamping seat; 14. an annular positioning plate; 15. a positioning groove; 16. and a positioning seat.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, the term "disposed" indicating a manner of presence and may be connected, mounted, fixedly connected, operatively connected, or the like. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a petrochemical pipeline connection structure, including a plurality of pipelines 1, install adapter sleeve 2 between two pipelines 1, and pipeline 1 and adapter sleeve 2 looks adaptation, fixed mounting has annular baffle 3 on the inner wall of pipeline 1, annular lug 4 is all installed to annular baffle 3's both sides, and pipeline 1 and annular lug 4 looks adaptation have been seted up a plurality of cavity 6 on the adapter sleeve 2, install movable plate 7 in the cavity 6, movable plate 7 is close to one side fixed mounting of pipeline 1 has two cassette 13, a plurality of dovetail groove 12 have been seted up in the outside of pipeline 1, and cassette 13 and the dovetail groove 12 looks adaptation that corresponds can be connected two pipelines 1 through adapter sleeve 2, can separate two pipelines 1 through annular baffle 3.

In this embodiment, be equipped with stop gear between movable plate 7 and the cavity 6, be equipped with actuating mechanism on the adapter sleeve 2, and actuating mechanism is connected with movable plate 7, stop gear includes gag lever post 8 and spacing hole, and the spacing hole is seted up on movable plate 7, and gag lever post 8 fixed mounting is on the inner wall of cavity 6, and gag lever post 8 and corresponding spacing hole sliding connection, under the cooperation through gag lever post 8 and spacing hole, can lead the movable plate for the movable plate can carry out stable removal.

In this embodiment, actuating mechanism includes screw hole 9, actuating screw 10 and knob 11, a plurality of screw holes 9 have been seted up in the outside of adapter sleeve 2, screw hole 9 is linked together with cavity 6, actuating screw 10 rotationally connected with movable plate 7 is installed to the screw hole 9 internal thread, actuating screw 10's one end extends to the outside of adapter sleeve 2 and installs knob 11, through being provided with actuating mechanism, actuating screw 10's removal can drive movable plate 7 and remove, more specifically, actuating screw 10's outside fixed mounting has the guide holder, set up flutedly on the movable plate 7, set up the guide way on the inner wall of recess, and guide holder and guide way sliding connection, through being provided with guide way and guide holder, actuating screw 10 can rotate and install on movable plate 7.

In this embodiment, fixed mounting has annular locating plate 14 on the pipeline 1, be equipped with positioning mechanism between annular locating plate 14 and the adapter sleeve 2, positioning mechanism includes constant head tank 15 and positioning seat 16, positioning groove 15 is seted up on adapter sleeve 2, positioning seat 16 fixed mounting is on annular locating plate 14, and positioning seat 16 and the corresponding constant head tank 15 looks adaptation, through being provided with positioning mechanism, annular locating plate 14 can drive positioning seat 16 card into positioning groove 15, realize carrying out the location to pipeline 1, sealing washer 5 is all installed to annular baffle's both sides, and pipeline 1 and sealing washer 5 looks adaptation, through being provided with sealing washer 5, can increase the leakproofness between pipeline 1 and the adapter sleeve 2.

In the utility model, when the pipelines 1 are connected, the two pipelines 1 are installed in the same connecting sleeve 2, the pipelines 1 can drive the annular positioning plate 14 to move, the annular positioning plate 14 can drive the positioning seat 16 to be clamped into the positioning groove 15, the pipelines 1 are positioned, the pipelines 1 are sleeved on the annular convex blocks 4, the knob 11 can drive the driving screw 10 to rotate by rotating the knob 11, the driving screw 10 can rotate and move under the action of the threaded holes 9, the driving screw 10 can drive the moving plate 7 and the clamping seat 13 to move, the clamping seat 13 can be clamped into the trapezoid groove 12, the clamping seat 13 can squeeze the pipelines 1 towards the annular convex blocks 4 through the inclined edges of the trapezoid groove 12, the sealing of the pipelines 1 and the connecting sleeve 2 can be realized, the sealing ring 5 can be squeezed by the movement of the pipelines 1, and the sealing performance of the pipelines 1 and the connecting sleeve 2 can be increased.

The petrochemical pipeline connecting structure provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The petrochemical pipeline connecting structure is characterized by comprising a plurality of pipelines (1), wherein a connecting sleeve (2) is arranged between two pipelines (1), the pipelines (1) are matched with the connecting sleeve (2), an annular partition plate (3) is fixedly arranged on the inner wall of each pipeline (1), annular convex blocks (4) are arranged on two sides of each annular partition plate (3), and the pipelines (1) are matched with the annular convex blocks (4);

a plurality of cavities (6) are formed in the connecting sleeve (2), a moving plate (7) is mounted in the cavities (6) in a sliding mode, two clamping seats (13) are fixedly mounted on one side, close to the pipeline (1), of the moving plate (7), a plurality of trapezoid grooves (12) are formed in the outer side of the pipeline (1), and the clamping seats (13) are matched with the corresponding trapezoid grooves (12).

2. The petrochemical pipeline connecting structure according to claim 1, wherein a limiting mechanism is arranged between the movable plate (7) and the chamber (6), a driving mechanism is arranged on the connecting sleeve (2), and the driving mechanism is connected with the movable plate (7).

3. The petrochemical pipeline connecting structure according to claim 2, wherein the limiting mechanism comprises a limiting rod (8) and a limiting hole, the limiting hole is formed in the moving plate (7), the limiting rod (8) is fixedly mounted on the inner wall of the cavity (6), and the limiting rod (8) is in sliding connection with the corresponding limiting hole.

4. The petrochemical pipeline connection structure according to claim 2, wherein the driving mechanism comprises a threaded hole (9), a driving screw (10) and a knob (11), a plurality of threaded holes (9) are formed in the outer side of the connecting sleeve (2), the threaded holes (9) are communicated with the cavity (6), the driving screw (10) rotationally connected with the moving plate (7) is mounted in the threaded holes (9) in a threaded manner, and one end of the driving screw (10) extends to the outer side of the connecting sleeve (2) and is provided with the knob (11).

5. The petrochemical pipeline connecting structure according to claim 4, wherein a guide seat is fixedly arranged on the outer side of the driving screw (10), a groove is formed in the moving plate (7), a guide groove is formed in the inner wall of the groove, and the guide seat is in sliding connection with the guide groove.

6. Petrochemical pipeline connection structure according to claim 1, characterized in that an annular locating plate (14) is fixedly mounted on the pipeline (1), and a locating mechanism is arranged between the annular locating plate (14) and the connecting sleeve (2).

7. The petrochemical pipeline connecting structure according to claim 6, wherein the positioning mechanism comprises a positioning groove (15) and a positioning seat (16), the positioning groove (15) is formed in the connecting sleeve (2), the positioning seat (16) is fixedly mounted on the annular positioning plate (14), and the positioning seat (16) is matched with the corresponding positioning groove (15).

8. The petrochemical pipeline connecting structure according to claim 1, wherein sealing rings (5) are arranged on two sides of the annular partition plate (3), and the pipeline (1) is matched with the sealing rings (5).