CN220566800U - Anti-leakage composite pressure-bearing pipeline - Google Patents

Abstract

The application discloses compound pressure-bearing pipeline of antiseep, including inlayer joint pipe, the cover is equipped with the inlayer joint pipe on the inlayer joint pipe, the inlayer joint pipe includes first joint pipe and second joint pipe, be provided with convex block structure portion between first joint pipe and the second joint pipe, block structure portion laminating outer inner tube wall, between first joint outer tube wall and the outer inner tube wall, all enclose into between second joint outer tube wall and the outer inner tube wall and have the annular chamber, two annular intracavity all are provided with connecting tube, and two connecting tube tip laminating block structure portion both sides ends respectively, this application has that the fluid leakage prevention effect is high, guaranteed pipeline intensity, pipeline life's advantage has been improved.

Description

Anti-leakage composite pressure-bearing pipeline

Technical Field

The application relates to the technical field of composite pipes, in particular to an anti-seepage composite pressure-bearing pipeline.

Background

The composite pressure-bearing pipeline is a novel pipe, and compared with the traditional steel pipeline and the pure plastic pipeline, the composite pressure-bearing pipeline has excellent strength, corrosion resistance and stability, and is favored by various industries. However, the composite pipeline has an obvious defect that the composite layer or the bonding layer cannot be completely fused due to the production process of the composite pipeline and the different materials, fluid can be permeated into the end parts of the mutually-jointed pipelines in the process of contacting the conveying medium, the anti-seepage effect is poor, phenomena such as bulge and layering are easily caused, the strength of the composite pipeline can be damaged, and the phenomena of water seepage and cracking occur.

Disclosure of Invention

The utility model provides a main aim at provides an antiseep compound pressure-bearing pipeline, aims at solving the technical problem that current compound pipeline tip takes place fluid seepage easily and destroys pipeline intensity.

For realizing above-mentioned purpose, this application provides a antiseep compound pressure-bearing pipeline, connect the pipe including the inlayer, the cover is equipped with the inlayer pipe on the inlayer connects the pipe, the inlayer connects the pipe and includes first joint pipe and second joint pipe, be provided with convex block structure portion between first joint pipe and the second joint pipe, block structure portion laminating outer intraductal wall, between first joint pipe outer wall and the outer intraductal wall, all enclose into between second joint pipe outer wall and the outer intraductal wall and have the annular chamber, all be provided with connecting tube in two annular chambers, and two connecting tube tip laminating block structure portion both sides end respectively.

Optionally, the clamping structure portion comprises a first protruding portion and a second protruding portion, the first protruding portion is connected to one end of the first joint pipe, the second protruding portion is connected to one end of the second joint pipe, the clamping groove is formed in the end portion of the first protruding portion, and the second protruding portion is provided with a clamping protrusion matched with the clamping groove.

Optionally, the engagement groove is in communication with or not in the tube interior of the first connector tube.

Optionally, the outer layer pipe is provided with a plurality of groups of first bolts, the side wall of the first bolt is tightly attached to the outer wall of the connecting pipeline along the tangential direction of the connecting pipeline, and the outer walls of two sides of the connecting pipeline are at least attached to two groups of first bolts.

Optionally, a plurality of fastening grooves matched with the first bolts are formed in the outer wall of the outer layer pipe, and the screw heads of the first bolts are attached to the corresponding fastening grooves.

Optionally, a plurality of groups of second bolts are arranged on the outer layer pipe, the end parts of the second bolts are used for pressing the outer wall of the connecting pipeline, and the axial lead of the second bolts is perpendicularly intersected with the axial lead of the connecting pipeline.

Optionally, a compression washer is provided between the second bolt end and the outer wall of the connecting pipe.

Optionally, the first joint pipe and the second joint pipe are provided with inner chamfers at the ends far away from each other.

Optionally, the outer layer pipe is an electric melting pipe, and the outer layer pipe, the connecting pipe and the inner joint pipe are formed by electric melting welding.

Optionally, a reinforcing layer is provided inside the connecting pipe.

The beneficial effects that this application can realize are as follows:

the application is including inlayer joint pipe, the cover is equipped with the inlayer joint pipe on the inlayer joint pipe, the inlayer joint pipe includes first joint pipe and second joint pipe, be provided with convex joint structure portion between first joint pipe and the second joint pipe, joint structure portion laminating outer inner tube wall, between first joint pipe outer wall and the outer inner tube wall, all enclose into between second joint pipe outer wall and the outer inner tube wall and have the annular chamber, two annular intracavity all are provided with connecting tube, and two connecting tube tip laminating joint structure portion both sides end respectively. Therefore, this application through the setting of inlayer joint pipe, can form two first joint pipes and the second joint pipe that can assemble, form joint structure portion after the equipment, the structure is firm, first joint pipe and the second joint pipe after the equipment are difficult for taking off, and through the combined action of inlayer joint pipe of inlayer pipe and having convex joint structure portion, can form trilateral cladding structure to connecting tube inner wall, tip and outer wall, can thoroughly seal connecting tube tip, banding is effectual, prevents that the connecting tube tip from taking place fluid seepage, antiseep is effectual, pipeline life is high.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of an anti-leakage composite pressure-bearing pipeline in an embodiment of the present application;

FIG. 2 is a schematic view of a split structure of an inner joint pipe according to an embodiment of the present application;

FIG. 3 is a schematic view of another construction of an inner joint pipe according to an embodiment of the present application;

FIG. 4 is a schematic view of a connection structure between an inner joint pipe and an outer joint pipe according to an embodiment of the present application;

FIG. 5 is a schematic view of an assembled structure of a first joint pipe and a connecting pipe according to an embodiment of the present application;

FIG. 6 is a schematic structural view of an anti-leakage composite pressure-bearing pipeline with a first bolt according to an embodiment of the present application;

FIG. 7 is a schematic view of the internal cross-sectional structure of a leak-proof composite pressure-containing conduit of FIG. 6 (omitting the inner joint pipe);

FIG. 8 is a schematic structural view of a leak-proof composite pressure-bearing pipeline with a second bolt according to an embodiment of the present application;

fig. 9 is a schematic diagram of a positional relationship between a second bolt and a pressing washer in an embodiment of the present application.

Reference numerals:

100-inner joint pipe, 110-first joint pipe, 120-second joint pipe, 130-first boss, 131-clamping groove, 140-second boss, 141-clamping boss, 150-inner chamfer, 200-outer pipe, 210-fastening groove, 300-connecting pipe, 310-reinforcing layer, 400-annular cavity, 500-first bolt, 600-second bolt, 700-compression gasket.

The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship between the components, the movement condition, and the like in a specific posture, and if the specific posture is changed, the directional indicator is correspondingly changed.

In the present application, unless explicitly specified and limited otherwise, the terms "coupled," "secured," and the like are to be construed broadly, and for example, "secured" may be either permanently attached or removably attached, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present application.

Examples

Referring to fig. 1-9, the present embodiment provides an anti-leakage composite pressure-bearing pipeline, including an inner joint pipe 100, an outer pipe 200 is sleeved on the inner joint pipe 100, the inner joint pipe 100 includes a first joint pipe 110 and a second joint pipe 120, a convex clamping structure portion is disposed between the first joint pipe 110 and the second joint pipe 120, the clamping structure portion is attached to an inner wall of the outer pipe 200, an annular cavity 400 is enclosed between an outer wall of the first joint pipe 110 and the inner wall of the outer pipe 200, and between an outer wall of the second joint pipe 120 and an inner wall of the outer pipe 200, connecting pipelines 300 are disposed in the two annular cavities 400, and end portions of the two connecting pipelines 300 are attached to two side ends of the clamping structure portion respectively.

In this embodiment, through the arrangement of the inner joint pipe 100, two first joint pipes 110 and second joint pipes 120 which can be assembled can be formed, the assembled joint structure is formed, the structure is firm, the first joint pipes 110 and the second joint pipes 120 which are assembled are not easy to loose, and through the combined action of the outer layer pipe 200 and the inner joint pipe 100 with the convex joint structure, a three-surface coating structure can be formed on the inner wall, the end part and the outer wall of the connecting pipeline 300, the end part of the connecting pipeline 300 can be thoroughly sealed, the edge sealing effect is good, the fluid (mainly water) leakage at the end part of the connecting pipeline 300 is prevented, the leakage preventing effect is good, the phenomena of bulge, layering and the like caused by the follow-up process are avoided, and the service life of the pipeline is long.

As an alternative embodiment, the engaging structure portion includes a first protruding portion 130 and a second protruding portion 140, the first protruding portion 130 is connected to one end of the first joint pipe 110, the second protruding portion 140 is connected to one end of the second joint pipe 120, the end portion of the first protruding portion 130 is provided with an engaging groove 131, and the second protruding portion 140 is provided with an engaging protrusion 141 that is matched with the engaging groove 131.

In this embodiment, the first protruding portion 130 and the second protruding portion 140 form a clamping structure through the cooperation of the clamping groove 131 and the clamping protrusion 141, so that the assembly can be fast performed, and meanwhile, the sealing performance of the clamping structure formed after the assembly is good, and fluid is difficult to leak from the contact gap between the first protruding portion 130 and the second protruding portion 140, so that the water channeling preventing effect is further improved.

It should be noted that, here, the engaging protrusion 141 may be an annular protrusion, and the engaging groove 131 is an annular groove; the engaging protrusions 141 may be a plurality of protrusions with an unlimited shape with a space, and the plurality of engaging protrusions 141 are distributed in an annular array, so that the engaging groove 131 also has a plurality of engaging grooves with the same shape as the engaging protrusions 141; regardless of the structural form adopted by the engaging protrusion 141 and the engaging groove 131, a firm socket structure may be formed.

As an alternative embodiment, the engagement groove 131 communicates with or does not communicate with the tube interior of the first joint tube 110.

In the present embodiment, when the engagement groove 131 communicates with the inner tube cavity of the first joint tube 110, as shown in fig. 2, the processing difficulty is low, and when the engagement groove 131 does not communicate with the inner tube cavity of the first joint tube 110, as shown in fig. 3, the sealing effect is better.

As an alternative embodiment, the outer layer pipe 200 is provided with a plurality of groups of first bolts 500, the side walls of the first bolts 500 are tightly attached to the outer wall of the connecting pipe 300 along the tangential direction of the connecting pipe 300, and the outer walls of two sides of the connecting pipe 300 are at least provided with two groups of first bolts 500.

In this embodiment, the outer walls of two sides of the connecting pipe 300 can be clamped by multiple groups of the first bolts 500, so that the clamping function is provided, the welding quality is prevented from being affected due to the outward withdrawal of two ends of the connecting pipe 300 in the subsequent welding process, and the overall structural strength of the pipe is improved.

It should be noted that, the first bolt 500 may have an interference fit with the side wall of the connecting pipe 300, so that the clamping force is strong.

As an alternative embodiment, the outer wall of the outer layer pipe 200 is provided with a plurality of fastening grooves 210 matched with the first bolts 500, the screw heads of the first bolts 500 are attached to the corresponding fastening grooves 210, the screw heads of the first bolts 500 can be tightly attached to the fastening grooves 210, the first bolts 500 are not easy to loosen after being mounted, and the appearance is tidier and more attractive.

As another alternative embodiment, the outer layer pipe 200 is provided with a plurality of groups of second bolts 600, the ends of the second bolts 600 are used for pressing the outer wall of the connecting pipe 300, the axial line of the second bolts 600 is perpendicular to the axial line of the connecting pipe 300, and the ends of the second bolts 600 which are connected to the outer layer pipe 200 through threads can be screwed in to press the outer wall of the connecting pipe 300, so that a good clamping effect can be achieved on the connecting pipe 300.

As an alternative embodiment, a pressing gasket 700 is disposed between the end of the second bolt 600 and the outer wall of the connecting pipe 300, and the pressing gasket 700 can reduce the abrasion of the second bolt 600 to the outer wall of the connecting pipe 300, and increase the contact area, improve the friction force, and achieve better clamping effect.

It should be noted that, the pressing gasket 700 is an arc-shaped gasket (e.g. rubber gasket) with a certain elasticity, and a receiving groove (not shown) for receiving the pressing gasket 700 may be formed on the inner wall of the outer tube 200 to ensure the fitting degree of the pressing gasket 700 and the connecting tube 300.

As an alternative embodiment, the inner chamfer 150 is provided at each end of the first and second connector tubes 110, 120 that are remote from each other to reduce the wear of the ends of the first and second connector tubes 110, 120 by the internal fluid.

As an alternative implementation mode, the outer layer pipe 200 is an electric melting pipe, electric melting welding forming is carried out among the outer layer pipe 200, the connecting pipeline 300 and the inner joint pipe 100, electric melting connection is adopted for inner and outer layers at the connecting position of the end part of the connecting pipeline 300, the inner and outer layers are welded at the connecting position, the pipeline has better pressure resistance, the axial stretching resistance is higher, higher pressure can be born, the situation that a composite layer is broken to cause connection fracture and the like when the high-pressure pipeline is connected is avoided, and the service life is further prolonged.

As an alternative embodiment, the connection pipe 300 is internally provided with the reinforcing layer 310, so as to improve structural strength, and the reinforcing layer 310 may be a steel wire framework layer, a fiber framework layer, a steel plastic framework layer, or the like.

The connection process of the anti-leakage composite pressure-bearing pipeline in the embodiment is as follows:

step S1: preparing an inner joint pipe 100 and a composite pipeline, wherein the inner joint pipe 100 comprises a first joint pipe 110 and a second joint pipe 120, a section of melting area L1 is prefabricated at the inner part of the inner joint pipe, an inner chamfer 150 is formed at the connecting end part of the first joint pipe 110 and the second joint pipe 120, a first bulge 130 and a second bulge 140 are respectively arranged at the other end part of the inner joint pipe, and the inner joint pipe 100 is used for connecting and matching to form a clamping structure part, so that middle flash can be prevented in the subsequent welding process;

step S2: firstly, inserting a first joint pipe 110 and a second joint pipe 120 into the inner diameters of the end parts of two composite pipelines to be connected, then welding by electric fusion welding, polishing and flattening the joint between an inner electric fusion edge sealing head and the end parts of the composite pipelines after welding is finished (as shown in figure 5), and finishing the internal sealing of the end parts of the composite pipelines;

step S3: preparing an outer layer pipe 200, wherein an electric melting zone L2 exists on the inner wall of the outer layer pipe 200, particularly, the inner wall melting zone of the outer layer pipe 200 is distributed, different from the inner wall melting zone distribution of a traditional electric melting pipe fitting, the melting zone penetrates through two sides of the outer layer pipe fitting 200, an intermediate melting zone A is used for electric melting sealing and clamping the outer wall of a structural part, after two composite pipes are welded in advance to form a corresponding first joint pipe 110 and a corresponding second joint pipe 120, the outer layer pipe 200 is installed, the pipe fitting is ensured to be installed in place, electric welding is carried out, and three surfaces of the end parts of the connecting pipe 300 are coated after the welding is finished, so that water channeling of the end parts of the composite pipes is avoided;

based on the above connection process, the end of the connection pipe 300 can be thoroughly sealed to prevent water channeling at the end, and the three-side cladding welding mode is adopted, the section A area in the middle of the outer layer pipe 200 is reinforced by welding the clamping structure part, and can bear higher pressure; the inner and outer layers of the connecting pipeline 300 are welded by electric melting, so that the pipeline has better pressure resistance, higher axial tensile resistance and higher pressure resistance, and the conditions of connection fracture and the like caused by the breaking of a composite layer in high-pressure pipeline connection are avoided.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a compound pressure-bearing pipeline of antiseep, its characterized in that, includes inlayer joint pipe, the cover is equipped with the inlayer joint pipe on the inlayer joint pipe, inlayer joint pipe includes first joint pipe and second joint pipe, first joint pipe with be provided with convex block structure portion between the second joint pipe, block structure portion laminating outer intraductal wall, first joint pipe outer wall with between the outer intraductal wall second joint pipe outer wall with all enclose into between the outer intraductal wall and have the annular chamber, two all be provided with connecting tube in the annular chamber, and two connecting tube tip laminating respectively block structure portion both sides end.

2. The leakage-proof composite pressure-bearing pipeline according to claim 1, wherein the clamping structure portion comprises a first protruding portion and a second protruding portion, the first protruding portion is connected to one end of the first joint pipe, the second protruding portion is connected to one end of the second joint pipe, a clamping groove is formed in the end portion of the first protruding portion, and a clamping protrusion matched with the clamping groove is arranged on the second protruding portion.

3. A leak-proof composite pressure-bearing pipeline as claimed in claim 2, wherein said engagement groove is in or out of communication with the in-pipe cavity of said first connector pipe.

4. A composite pressure-bearing leak-proof pipe as claimed in any one of claims 1 to 3 wherein a plurality of groups of first bolts are arranged on said outer pipe, said first bolt side walls are attached to said outer wall of said connecting pipe in a tangential direction of said connecting pipe, and said outer walls on both sides of said connecting pipe are attached to at least two groups of said first bolts.

5. The leakage-proof composite pressure-bearing pipeline as set forth in claim 4, wherein a plurality of fastening grooves matched with the first bolts are formed in the outer wall of the outer layer pipe, and screw heads of the first bolts are attached to the corresponding fastening grooves.

6. A leak-proof composite pressure-bearing pipeline as claimed in any one of claims 1-3, wherein a plurality of groups of second bolts are arranged on the outer layer pipe, the second bolt ends are used for pressing the outer wall of the connecting pipeline, and the second bolt axial lead is perpendicularly intersected with the connecting pipeline axial lead.

7. A leak-proof composite pressure-bearing pipeline as set forth in claim 6, wherein a compression gasket is disposed between said second bolt end and said connecting pipeline outer wall.

8. A leak-proof composite pressure-bearing pipeline as claimed in claim 1, wherein said first joint pipe and said second joint pipe are provided with inner chamfers at their ends remote from each other.

9. The leak-proof composite pressure-bearing pipeline as set forth in claim 1, wherein said outer layer pipe is an electric melting pipe, and said outer layer pipe, said connecting pipe and said inner layer joint pipe are formed by electric fusion welding.

10. A composite pressure-bearing leak-proof pipe as claimed in claim 1, wherein a reinforcing layer is provided inside the connecting pipe.