CN214368398U

CN214368398U - Pipeline connecting structure

Info

Publication number: CN214368398U
Application number: CN202023279447.7U
Authority: CN
Inventors: 杨铮; 马汉晓; 张成胜; 王文海; 邢红; 李军业; 魏生旻; 张成勇; 董鸿魁; 蒲永昌
Original assignee: Qinghai Salt Lake Fozhao Lanke Lithium Industry Co ltd; Qinghai Salt Lake Industry Co Ltd
Current assignee: Qinghai Salt Lake Fozhao Lanke Lithium Industry Co ltd; Qinghai Salt Lake Industry Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-08
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a pipeline connecting structure, including two sections pipelines and the pipeline connecting piece connecting two sections of the pipelines, the pipeline includes the body and locates the flange of body tip, the pipeline connecting piece includes the screw that runs through the flange, locate the screw both ends be used for fixed first nut, and hollow leakage-proof cover, the body is equipped with from its inner wall to the depressed part of outer wall sunken, the depressed part of two sections of the pipelines corresponds and forms annular groove, the leakage-proof cover is located in the annular groove; the pipe body is in the tip of depressed part is equipped with first rubber pad, the tip of preventing leaking the cover is equipped with the second rubber pad that first rubber pad corresponds. The utility model provides a pipeline connection structure is equipped with prevents leaking the cover, and the gomphosis covers the gap of flange department at the annular groove that two sections pipelines formed, reduces the leakage risk, and first rubber pad and second rubber pad extrude the block each other during connecting tube, and the impact force of buffering material reduces the not hard up risk of screw.

Description

Pipeline connecting structure

Technical Field

The utility model relates to a pipe connection technical field especially relates to a pipe connection structure.

Background

The main material of the chemical pipeline is ultra-high molecular weight polyethylene, a thermoplastic engineering plastic with the average molecular weight more than 200 ten thousand, which is polymerized by ethylene and butadiene monomers under the action of a catalyst, has excellent comprehensive performance, low temperature resistance, corrosion resistance and self lubrication, the impact resistance is the highest value in all plastics, and the wear resistance is superior to polytetrafluoroethylene, nylon, carbon steel and other materials.

As an ideal tubular product, the junction of pipeline is generally only sealed through the flange, and sealed effect is not good, and the material generally has the impact force when chemical pipeline inside flow, shakes for a long time and leads to flange junction screw not hard up easily, connects unstably, leaks the risk height.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline connection structure passes through flange joint, the screw is easy not hard up with fine and close leakproofness poor, connect unstable, leak the high problem of risk in order to solve among the prior art pipeline.

In order to achieve the above object, the present invention provides the following technical solutions: a pipeline connecting structure comprises two sections of pipelines and a pipeline connecting piece for connecting the two sections of pipelines, wherein each pipeline comprises a pipe body and a flange arranged at the end part of the pipe body; the pipe body is in the tip of depressed part is equipped with first rubber pad, the tip of preventing leaking the cover is equipped with the second rubber pad that first rubber pad corresponds.

Further, the first rubber pad is annular.

Further, first rubber pad is the S type.

Furthermore, a third rubber pad is arranged on the outer surface of the leakage-proof sleeve, and the third rubber pad is clamped between the flanges of the two sections of pipelines.

Further, the flange of one of the pipelines is provided with a protection block which is formed by extending from the outer wall of the flange of the other pipeline to the direction close to the flange of the other pipeline, and the protection block covers the gap between the two flanges.

Further, the protection block is annular.

Furthermore, the pipeline connecting piece is characterized by further comprising an installation block arranged on the outer wall of the pipe body, a threaded rod penetrating through the two sections of the installation block on the pipeline, and second nuts arranged at two ends of the threaded rod and used for fixing, wherein the threaded rod penetrates through the flange of the pipeline.

Compared with the prior art, the utility model provides a pipeline connection structure has following advantage:

the utility model provides a pipeline connection structure is equipped with at the junction of two sections pipelines and prevents leaking the cover, prevents leaking the gomphosis and in the annular groove that two sections pipelines correspond and form, covers the gap of flange department, reduces the leakage risk, and the first rubber pad of body tip and the mutual extrusion block of second rubber pad of preventing leaking the cover tip during connecting tube both can cushion the impact force of material, reduce the not hard up risk of screw, connect more firmly, can improve sealed effect again.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. In the drawings:

fig. 1 is a schematic structural diagram of a pipeline connection structure according to a preferred embodiment of the present invention;

FIG. 2 is a side view of the pipe connection shown in FIG. 1;

FIG. 3 is an enlarged view of a portion A of the pipe connecting structure shown in FIG. 1;

FIG. 4 is a schematic view of an anti-leakage sleeve in a pipe connecting structure according to another preferred embodiment of the present invention;

fig. 5 is a schematic view of another angle of the pipe connection structure shown in fig. 1.

Reference numerals:

the pipeline connecting piece comprises a pipeline 1, a pipe body 11, a flange 12, an annular groove 13, a first rubber pad 14, a protective block 15, a pipeline connecting piece 2, a screw 21, a first nut 22, a leakage-proof sleeve 23, a second rubber pad 24, a third rubber pad 25, an installation block 26, a threaded rod 27 and a second nut 28.

Detailed Description

The present invention provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific examples described in the following embodiments of the present invention are merely illustrative of specific embodiments of the present invention and do not constitute limitations on the scope of the invention.

The invention is further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and fig. 3, wherein fig. 1 is a schematic structural diagram of a pipeline connection structure according to a preferred embodiment of the present invention; fig. 3 is an enlarged view of a portion a of the pipe connection structure shown in fig. 1.

The embodiment is a pipeline connecting structure, the pipeline connecting structure comprises two sections of pipelines 1 and a pipeline connecting piece 2 for connecting the two sections of pipelines 1, the pipeline 1 comprises a pipe body 11 and a flange 12 arranged at the end part of the pipe body 11, the pipeline connecting piece 2 comprises a screw 21 penetrating through the flange 12, a first nut 22 arranged at two ends of the screw 21 for fixing and a hollow leakage-proof sleeve 23, the pipe body 11 is provided with a concave part which is concave from the inner wall to the outer wall of the pipe body, the concave parts of the two sections of pipelines 1 correspondingly form an annular groove 13, and the leakage-proof sleeve 23 is arranged in the annular groove 13; the end of the pipe body 11 at the depressed part is provided with a first rubber pad 14, and the end of the anti-leakage sleeve 23 is provided with a second rubber pad 24 corresponding to the first rubber pad 14.

The utility model provides a pipeline connection structure is equipped with at the junction of two sections pipelines and prevents leaking the cover, prevents leaking the cover gomphosis and covers the gap of flange department in the annular groove that two sections pipelines correspond and form, reduces the leakage risk, and the mutual extrusion block of first rubber pad of body tip and the second rubber pad of preventing leaking the cover tip during connecting tube both can cushion the impact force of material, reduces the not hard up risk of screw, connects more firmly, can improve sealed effect again.

Pipeline 1 is common chemical industry pipeline, body 11 is hollow tubulose, body 11 with prevent leaking the material of cover 23 unanimously, do not disturb under the prerequisite that prevents to reveal the transportation of the 11 inside materials of body.

As shown in fig. 2, fig. 2 is a side view of the pipe connection structure shown in fig. 1.

The two sections of pipelines 1 are connected into a whole through flanges 12 at the end parts of the pipe bodies 11. The flange 12 is provided with a plurality of through holes for the bolts 21 to penetrate through, and the first nuts 22 and the bolts 21 are connected through threads to firmly connect the flanges 12 of the two sections of pipelines 1. In this embodiment, there are 4 screws 21 and 4 first nuts 22 corresponding to the screws 21, but in other embodiments, the number of the screws 21 may be other, and the connection may be stable.

As shown in fig. 3, in this embodiment, the first rubber pad 14 is annular, and the second rubber pad 24 is also annular corresponding to the first rubber pad 14, so that the structure is simple and the processing is convenient.

As shown in fig. 4, fig. 4 is a schematic view of an anti-leakage sleeve in a pipe connection structure according to another preferred embodiment of the present invention. In other embodiments, the first rubber pad 14 is S-shaped, the second rubber pad 24 corresponds to the first rubber pad 14, and is also S-shaped, and when the first rubber pad 14 and the second rubber pad 24 are attached to each other, the continuous S-shape can increase the mutual tightness, thereby effectively preventing leakage. Of course, the first rubber pad 14 may be designed to be a discontinuous S-shape according to actual conditions, and may have other shapes.

As shown in fig. 1, a third rubber gasket 25 is disposed on an outer surface of the leakage-proof sleeve 23, and the third rubber gasket 25 is sandwiched between two sections of flanges 12 of the pipeline 1. Third rubber pad 25 plays the secondary guard action, further improves sealed effect, prevents to reveal.

As shown in fig. 1, the flange 12 of one of the pipes 1 is provided with a protection block 15 extending from the outer wall thereof in a direction close to the flange 12 of the other pipe 1, and the protection block 15 covers a gap between the two flanges 12. The protective block 15 prevents direct corrosion caused by rain and sunshine, and is beneficial to long-time use of the pipeline connecting piece 2.

The protection block 15 is annular, and the protection effect is better.

As shown in fig. 2 and 5, wherein fig. 5 is a schematic view of the pipe connection structure shown in fig. 1 at another angle.

The pipeline connecting piece 2 further comprises an installation block 26 arranged on the outer wall of the pipe body 11, a threaded rod 27 penetrating through the two sections of the installation block 26 on the pipeline 1, and second nuts 28 arranged at two ends of the threaded rod 27 and used for fixing, wherein the threaded rod 27 penetrates through the flange 12 of the pipeline 1.

When the two sections of the pipeline 1 are connected, the mounting block 26, the threaded rod 27 and the second nut 28 are mutually matched to play a role of preliminary fixing and straightening, so that the subsequent installation is convenient. The installation is assisted to installation piece 26, is convenient for two sections pipeline 1 alignment, installation piece 26 is equipped with the mounting hole that runs through on it, the through-hole of equidimension is seted up to the correspondence on the flange 12, is convenient for inserting of threaded rod 27, threaded rod 27 inserts the back, and both ends are passed through second nut 28 is connected fixedly.

When the two sections of pipelines 1 are connected, one end of the leakage-proof sleeve 23 is inserted into the recessed part of one section of pipeline 1, and the other end is inserted into the recessed part of the other section of pipeline 1, so that the leakage-proof sleeve 3 is embedded into the annular grooves correspondingly formed by the recessed parts of the two sections of pipelines 1; then, the threaded rod 27 sequentially penetrates through the mounting block 26 and the flange 12 of one section of the pipeline 1 and the flange 12 and the mounting block 26 of the other section of the pipeline 1, the two sections of the pipeline 1 are initially fixed and straightened, and two ends of the threaded rod 27 are fixedly connected through the second nut 28; and then, the bolt 21 penetrates through the flanges 12 of the two sections of the pipeline 1, and two ends of the bolt 21 are fixedly connected through the first nut 22.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim.

Claims

1. The pipeline connecting structure is characterized by comprising two sections of pipelines (1) and a pipeline connecting piece (2) for connecting the two sections of pipelines (1), wherein each pipeline (1) comprises a pipe body (11) and a flange (12) arranged at the end part of the pipe body (11), each pipeline connecting piece (2) comprises a screw (21) penetrating through the flange (12), a first nut (22) arranged at two ends of the screw (21) and used for fixing, and a hollow leakage-proof sleeve (23), each pipe body (11) is provided with a concave part which is concave from the inner wall to the outer wall of the pipe body, the concave parts of the two sections of pipelines (1) correspondingly form an annular groove (13), and each leakage-proof sleeve (23) is arranged in the annular groove (13); the end part of the sunken part of the pipe body (11) is provided with a first rubber pad (14), and the end part of the anti-leakage sleeve (23) is provided with a second rubber pad (24) corresponding to the first rubber pad (14).

2. A pipe connection according to claim 1, wherein said first rubber gasket (14) is annular.

3. A pipe connection according to claim 1, wherein said first rubber gasket (14) is S-shaped.

4. A pipe connection according to claim 1, wherein the outer surface of the anti-leakage sleeve (23) is provided with a third rubber gasket (25), and the third rubber gasket (25) is clamped between the flanges (12) of the two sections of the pipe (1).

5. A pipe connecting structure according to claim 1, wherein the flange (12) of one of the pipes (1) is provided with a shielding block (15) formed to extend from an outer wall thereof in a direction close to the flange (12) of the other pipe (1), and the shielding block (15) covers a gap between the two flanges (12).

6. A pipe connection according to claim 5, wherein the shielding block (15) is ring-shaped.

7. A pipe connection according to claim 1, wherein the pipe connector (2) further comprises a mounting block (26) disposed on the outer wall of the pipe body (11), a threaded rod (27) penetrating through the mounting blocks (26) on two sections of the pipe (1), and second nuts (28) disposed at two ends of the threaded rod (27) for fixing, the threaded rod (27) penetrating through the flange (12) of the pipe (1).