CN113653860A - Composite pipe connecting assembly and water supply and drainage pipeline - Google Patents

Abstract

The invention discloses a composite pipe connecting assembly and a water supply and drainage pipeline, and relates to the technical field of pipelines. The composite pipe connecting assembly comprises a composite pipe and a connecting pipe. The composite pipe comprises a protective layer, a reinforcing layer, a warp layer and a lining layer, wherein the protective layer is arranged outside the reinforcing layer in a surrounding manner, the reinforcing layer is arranged outside the warp layer in a surrounding manner, and the warp layer is arranged outside the lining layer in a surrounding manner; the connecting pipe is including extending the pipeline section, outer extension pipeline section and enhancement pipeline section, and the extension pipeline section is connected in the tip of compound pipe, and the laminating of enhancement pipeline section sets up in extension pipeline section and inside lining layer, and outer extension pipeline section is connected with the extension pipeline section, and the part stretches into in the enhancement pipeline section, strengthens the pipeline section centre gripping between outer extension pipeline section and extension pipeline section. The composite pipe connecting assembly provided by the invention can realize effective connection between composite pipes, is stable and reliable in connection, avoids water leakage, and is high in strength, not easy to damage and low in maintenance cost.

Description

Composite pipe connecting assembly and water supply and drainage pipeline

Technical Field

The invention relates to the technical field of pipelines, in particular to a composite pipe connecting assembly and a water supply and drainage pipeline.

Background

At present, water supply and drainage pipe works are pipe system works for transporting and distributing industrial water supply and domestic drinking water and collecting, transporting and discharging industrial wastewater, domestic sewage and rainwater, which play an indispensable role in municipal construction. The water supply and drainage pipeline is formed by sequentially connecting a plurality of sections of pipelines, but the existing water supply and drainage pipeline has lower strength, poor connection reliability among the plurality of sections of pipelines and easy water leakage.

In view of the above, it is important to design and manufacture a composite pipe connecting assembly and a water supply and drainage pipeline with reliable connection, especially in pipeline engineering.

Disclosure of Invention

The invention aims to provide a composite pipe connecting assembly which can realize effective connection between composite pipes, is stable and reliable in connection, avoids water leakage, is high in strength, is not easy to damage and is low in maintenance cost.

The invention also aims to provide the water supply and drainage pipeline, which can realize effective connection between the composite pipes, has stable and reliable connection, avoids water leakage, has higher strength of the composite pipes, is not easy to damage and has low maintenance cost.

The invention is realized by adopting the following technical scheme.

A composite pipe connecting assembly comprises a composite pipe and a connecting pipe; the composite pipe comprises a protective layer, a reinforcing layer, a warp layer and a lining layer, wherein the protective layer is arranged outside the reinforcing layer in a surrounding manner, the reinforcing layer is arranged outside the warp layer in a surrounding manner, and the warp layer is arranged outside the lining layer in a surrounding manner; the connecting pipe is including extending the pipeline section, outer extension pipeline section and enhancement pipeline section, and the extension pipeline section is connected in the tip of compound pipe, and the laminating of enhancement pipeline section sets up in extension pipeline section and inside lining layer, and outer extension pipeline section is connected with the extension pipeline section, and the part stretches into in the enhancement pipeline section, strengthens the pipeline section centre gripping between outer extension pipeline section and extension pipeline section.

Optionally, the external pipe section comprises a first pipe body, a flaring pipe body and a second pipe body, the first pipe body is fixedly connected with the second pipe body through the flaring pipe body, the outer diameter of the first pipe body is smaller than that of the second pipe body, and the reinforcing pipe section is clamped between the first pipe body and the extension pipe section.

Optionally, the connecting pipe further comprises a fastening joint, the fastening joint is provided with a first fastening structure and a second fastening structure, the extension pipe section is provided with a first matching structure, the external connection pipe section is provided with a second matching structure, the first fastening structure is matched with the first matching structure, and the second fastening structure is matched with the second matching structure.

Optionally, the first fastening structure is an internal thread, the first mating structure is an external thread, and the internal thread is mated with the external thread; the second fastening structure is a propping platform, the second matching structure is a convex block, and the propping platform is propped against the convex block.

Optionally, the first fastening structure and the second fastening structure are both internal threads, the first mating structure and the second mating structure are both external threads, and each internal thread is mated with one external thread.

Optionally, the first fastening structure is a supporting table, the first matching structure is a bump, and the supporting table is supported by the bump; the second fastening structure is an internal thread, the second matching structure is an external thread, and the internal thread is matched with the external thread.

Optionally, the reinforcing layer comprises two layers of strips, the strips are spirally wound outside the warp layer, and the winding directions of the two layers of strips are opposite.

Optionally, the protective layer is made of ethylene propylene rubber, chlorinated polyethylene or nitrile rubber, the reinforcing layer is made of rubber or thermoplastic plastic material, and the inner liner layer is made of polyethylene, polyvinyl chloride or polypropylene material.

Optionally, the number of the connecting pipes is two, and the two connecting pipes are oppositely arranged at two ends of the composite pipe.

A water supply and drainage pipeline comprises at least two composite pipe connecting assemblies, wherein each composite pipe connecting assembly comprises a composite pipe and a connecting pipe; the composite pipe comprises a protective layer, a reinforcing layer, a warp layer and a lining layer, wherein the protective layer is arranged outside the reinforcing layer in a surrounding manner, the reinforcing layer is arranged outside the warp layer in a surrounding manner, and the warp layer is arranged outside the lining layer in a surrounding manner; the connecting pipe comprises an extension pipe section, an external pipe section and a reinforcement pipe section, the extension pipe section is connected to the end part of the composite pipe, the reinforcement pipe section is arranged in the extension pipe section and the lining layer in a fitting manner, the external pipe section is connected with the extension pipe section and partially extends into the reinforcement pipe section, and the reinforcement pipe section is clamped between the external pipe section and the extension pipe section; the external pipe sections of two adjacent composite pipe connecting assemblies are fixedly connected.

The composite pipe connecting assembly and the water supply and drainage pipeline provided by the invention have the following beneficial effects:

the composite pipe connecting assembly provided by the invention comprises a protective layer, a reinforcing layer, a warp layer and a lining layer, wherein the protective layer is surrounded outside the reinforcing layer; the connecting pipe is including extending the pipeline section, outer extension pipeline section and enhancement pipeline section, and the extension pipeline section is connected in the tip of compound pipe, and the laminating of enhancement pipeline section sets up in extension pipeline section and inside lining layer, and outer extension pipeline section is connected with the extension pipeline section, and the part stretches into in the enhancement pipeline section, strengthens the pipeline section centre gripping between outer extension pipeline section and extension pipeline section. Compared with the prior art, the composite pipe connecting assembly provided by the invention adopts the reinforcing pipe sections which are attached to the extension pipe sections and the lining layer and the reinforcing layer which surrounds the lining layer, so that the composite pipes can be effectively connected, the connection is stable and reliable, the water leakage is avoided, the composite pipes have higher strength, are not easy to damage and have low maintenance cost.

The water supply and drainage pipeline provided by the invention comprises the composite pipe connecting assembly, the effective connection between the composite pipes can be realized, the connection is stable and reliable, the water leakage condition is avoided, the composite pipe has higher strength, is not easy to damage and has low maintenance cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a water supply and drainage pipeline according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a composite pipe connection assembly according to a first embodiment of the present invention;

FIG. 3 is a cross-sectional view of a composite pipe in a composite pipe joint assembly according to a first embodiment of the present invention;

FIG. 4 is a cross-sectional view of a composite pipe and a coupling pipe in a composite pipe coupling assembly according to a first embodiment of the present invention;

FIG. 5 is an enlarged view of a portion V of FIG. 4;

FIG. 6 is a cross-sectional view of a composite pipe and connecting pipe connection assembly according to a second embodiment of the present invention;

fig. 7 is a sectional view of a composite pipe and a coupling pipe coupled together in a composite pipe coupling assembly according to a third embodiment of the present invention.

Icon: 10-water supply and drainage pipelines; 100-composite pipe connection assembly; 110-composite pipe; 111-a protective layer; 112-an enhancement layer; 113-warp layer; 114-an inner liner; 120-connecting tube; 121-an extension pipe section; 1211 — a first mating structure; 122-extension pipe section; 1221-a second mating structure; 123-a reinforced pipe section; 124-fastening the joint; 1241-a first fastening structure; 1242-a second fastening structure; 125-a first tube; 126-flaring the tube body; 127-a second tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

First embodiment

Referring to fig. 1 and 2, a water supply and drainage pipeline 10 for supplying or draining water is provided according to an embodiment of the present invention. The composite pipe 110 can be effectively connected, the connection is stable and reliable, the water leakage is avoided, the composite pipe 110 is high in strength and not easy to damage, and the maintenance cost is low.

It should be noted that the water supply and drainage pipeline 10 includes at least two composite pipe connection assemblies 100, and the at least two composite pipe connection assemblies 100 are connected in sequence to form a length of the water supply and drainage pipeline 10, thereby facilitating municipal water supply or drainage.

The composite pipe connection assembly 100 includes a composite pipe 110 and a connection pipe 120. The composite pipe 110 and the connection pipe 120 are coaxially disposed, the connection pipe 120 is connected to one end of the composite pipe 110, and the connection pipe 120 is used to connect with the connection pipe 120 of another composite pipe connection assembly 100. Specifically, two connecting pipes 120 are disposed between two adjacent composite pipes 110, and are connected in sequence to form a length of the water supply and drainage pipeline 10.

In this embodiment, the number of the connecting pipes 120 is two, and the two connecting pipes 120 are oppositely disposed at two ends of the composite pipe 110. One end of the composite pipe 110 can be connected to another composite pipe connection assembly 100 through one connection pipe 120, and the other end of the composite pipe 110 can be connected to another composite pipe connection assembly 100 through another connection pipe 120, so as to facilitate installation and maintenance of the water supply and drainage pipeline 10.

Referring to fig. 3, the composite tube 110 includes a protective layer 111, a reinforcing layer 112, a warp layer 113, and an inner liner layer 114. The protective layer 111 surrounds the reinforcing layer 112, the reinforcing layer 112 surrounds the warp layer 113, and the warp layer 113 surrounds the lining layer 114. Specifically, the protective layer 111 is used for external protection, preventing the composite pipe 110 from being corroded or damaged; the reinforcement layer 112 is used to improve the strength and pressure-bearing properties of the composite pipe 110; the wire layer 113 is used for bearing the axial stress of the composite pipe 110; the inner liner 114 is used for water flow.

Referring to fig. 4 and 5, the connecting pipe 120 includes an extension pipe section 121, an extension pipe section 122, a reinforcement pipe section 123, and a fastening joint 124. The extension pipe section 121 is connected to the end of the composite pipe 110, the reinforcing pipe section 123 is arranged in the extension pipe section 121 and the lining layer 114 in a fitting manner, and the reinforcing pipe section 123 is used for improving the connection strength between the extension pipe section 121 and the composite pipe 110, shielding a gap between the extension pipe section 121 and the composite pipe 110 and preventing water from leaking out of the gap between the extension pipe section 121 and the composite pipe 110. The external pipe segment 122 is connected with the extension pipe segment 121 through a fastening joint 124 and partially extends into the reinforcing pipe segment 123, the reinforcing pipe segment 123 is clamped between the external pipe segment 122 and the extension pipe segment 121, and the external pipe segment 122 can fix the position of the reinforcing pipe segment 123 to prevent the reinforcing pipe segment 123 from being displaced relative to the extension pipe segment 121.

In this embodiment, the externally connected pipe sections 122 of two adjacent composite pipe connecting assemblies 100 are fixedly connected to each other, so as to fixedly connect two adjacent connecting pipes 120, and facilitate the formation of the water supply and drainage pipeline 10. Specifically, the two extension pipe sections 122 are welded and fixed to improve the connection strength and prevent the occurrence of fracture.

In this embodiment, the extension pipe section 121 and the composite pipe 110 have the same inner diameter, and the extension pipe section 121 and the composite pipe 110 are fixedly connected by welding. But not limited thereto, in other embodiments, the extension pipe section 121 may be fixedly connected to the composite pipe 110 by welding, and the connection manner of the extension pipe section 121 and the composite pipe 110 is not particularly limited.

The extension tube section 122 includes a first tube 125, a flared tube 126, and a second tube 127. The first tube 125 is fixedly connected to the second tube 127 through the flaring tube 126, and in this embodiment, the first tube 125, the flaring tube 126 and the second tube 127 are integrally formed to improve the connection strength. The outer diameter of the first pipe 125 is smaller than that of the second pipe 127, the first pipe 125 is inserted into the reinforced pipe section 123, the reinforced pipe section 123 is clamped between the first pipe 125 and the extension pipe section 121, and the second pipe 127 is used for connecting with the connecting pipe 120 of another composite pipe connecting assembly 100. Specifically, the first tube 125 has an outward expanding elastic force to firmly support the reinforced tube section 123 against the inner sidewall of the extension tube section 121, thereby fixing the position of the reinforced tube section 123 and preventing the reinforced tube section 123 from being displaced or rotated.

It should be noted that the fastening tab 124 is provided with a first fastening structure 1241 and a second fastening structure 1242. The extension pipe section 121 is provided with a first matching structure 1211, the extension pipe section 122 is provided with a second matching structure 1221, the first fastening structure 1241 is matched with the first matching structure 1211, and the second fastening structure 1242 is matched with the second matching structure 1221 to fix the relative positions of the extension pipe section 121 and the external pipe section 122 and prevent the extension pipe section 121 and the external pipe section 122 from being relatively displaced.

In this embodiment, the first fastening structure 1241 is an internal thread, the first mating structure 1211 is an external thread, and the internal thread mates with the external thread; the second fastening structure 1242 is a supporting platform, and the second mating structure 1221 is a bump, and the supporting platform is supported by the bump. Specifically, the fastening joint 124 can be screwed tightly with respect to the extension pipe section 121, and in the process, the fastening joint 124 is displaced in the axial direction of the extension pipe section 121 toward the direction away from the extension pipe section 122 until the abutting table abuts against the projection, and at this time, the relative positions of the fastening joint 124 and the extension pipe section 121 and the extension pipe section 122 are fixed, so that the relative positions of the extension pipe section 121 and the extension pipe section 122 are fixed.

It is noted that the reinforcing layer 112 includes two layers of tapes (not shown) spirally wound outside the warp layer 113, and the winding directions of the two layers of tapes are opposite to each other, so as to further improve the strength of the composite pipe 110, such that the composite pipe 110 has good pressure bearing performance and bending resistance.

In this embodiment, the protective layer 111 is made of an ethylene propylene rubber material, the reinforcing layer 112 is made of a rubber material, and the lining layer 114 is made of a polyethylene material. But not limited thereto, in other embodiments, the protective layer 111 may be made of chlorinated polyethylene material, and may also be made of nitrile rubber material; the reinforcement layer 112 may be made of a thermoplastic material; the inner liner 114 may be made of polyvinyl chloride material or polypropylene material; the materials of the protective layer 111, the reinforcing layer 112, and the liner layer 114 are not particularly limited.

In the composite pipe connection assembly 100 provided in the embodiment of the present invention, the composite pipe 110 includes a protection layer 111, a reinforcement layer 112, a warp layer 113 and a lining layer 114, the protection layer 111 surrounds the reinforcement layer 112, the reinforcement layer 112 surrounds the warp layer 113, and the warp layer 113 surrounds the lining layer 114; the connecting pipe 120 includes an extending pipe section 121, an external connecting pipe section 122 and a reinforcing pipe section 123, the extending pipe section 121 is connected to the end of the composite pipe 110, the reinforcing pipe section 123 is attached to the extending pipe section 121 and the lining layer 114, the external connecting pipe section 122 is connected to the extending pipe section 121, and partially extends into the reinforcing pipe section 123, and the reinforcing pipe section 123 is clamped between the external connecting pipe section 122 and the extending pipe section 121. Compared with the prior art, the composite pipe connecting assembly 100 provided by the invention adopts the reinforcing pipe section 123 which is attached to the extending pipe section 121 and the inner lining layer 114 and the reinforcing layer 112 which surrounds the inner lining layer 114, so that the composite pipes 110 can be effectively connected, the connection is stable and reliable, the water leakage is avoided, the composite pipes 110 have higher strength and are not easy to damage, and the maintenance cost is low. The water supply and drainage pipeline 10 is stable and reliable, and the practicability is strong.

Second embodiment

Referring to fig. 6, the present embodiment provides a composite pipe connecting assembly 100, which is different from the first embodiment in the connection manner of the fastening joint 124 and the extension pipe section 122 and the extension pipe section 121.

In this embodiment, the first fastening structure 1241 and the second fastening structure 1242 are both internal threads, and the first mating structure 1211 and the second mating structure 1221 are both external threads, each of which mates with one of the external threads. Specifically, the fastening joint 124 can be screwed tightly with respect to the extension pipe section 121, and at the same time, the fastening joint 124 is also screwed tightly with respect to the extension pipe section 122, and when the fastening joint 124 is screwed to the limit position, the fastening joint 124 cannot be further rotated in the screwing direction, and at this time, the relative positions of the fastening joint 124 and the extension pipe section 121 and the extension pipe section 122 are fixed, so that the relative positions of the extension pipe section 121 and the extension pipe section 122 are fixed.

The beneficial effects of the composite pipe connecting assembly 100 provided by the embodiment of the present invention are the same as those of the first embodiment, and are not described herein again.

Third embodiment

Referring to fig. 7, the present embodiment provides a composite pipe connecting assembly 100, which is different from the first embodiment in the connection manner of the fastening joint 124 and the extension pipe section 122 and the extension pipe section 121.

In this embodiment, the first fastening structure 1241 is a supporting platform, the first mating structure 1211 is a bump, and the supporting platform is supported by the bump; the second fastening structure 1242 is an internal thread, and the second mating structure 1221 is an external thread, where the internal thread is mated with the external thread. Specifically, the fastening joint 124 can be screwed tightly with respect to the extension pipe section 122, and in this process, the fastening joint 124 is displaced in the axial direction of the extension pipe section 122 toward the direction away from the extension pipe section 121 until the abutting table abuts against the protrusion, and at this time, the relative positions of the fastening joint 124 and the extension pipe section 121 and the extension pipe section 122 are fixed, so that the relative positions of the extension pipe section 121 and the extension pipe section 122 are fixed.

The beneficial effects of the composite pipe connecting assembly 100 provided by the embodiment of the present invention are the same as those of the first embodiment, and are not described herein again.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A composite pipe connecting assembly is characterized by comprising a composite pipe and a connecting pipe;

the composite pipe comprises a protective layer, a reinforcing layer, a warp layer and a lining layer, wherein the protective layer is arranged outside the reinforcing layer in a surrounding manner, the reinforcing layer is arranged outside the warp layer in a surrounding manner, and the warp layer is arranged outside the lining layer in a surrounding manner;

the connecting pipe comprises an extension pipe section, an external pipe section and a reinforcement pipe section, wherein the extension pipe section is connected to the end part of the composite pipe, the reinforcement pipe section is attached to the extension pipe section and the inner lining layer, the external pipe section is connected with the extension pipe section, part of the external pipe section extends into the reinforcement pipe section, and the reinforcement pipe section is clamped between the external pipe section and the extension pipe section.

2. The composite tube connection assembly of claim 1, wherein the extension section comprises a first tubular body, a flared tubular body, and a second tubular body, the first tubular body being fixedly connected to the second tubular body via the flared tubular body, the first tubular body having an outer diameter that is less than an outer diameter of the second tubular body, the reinforcement section being sandwiched between the first tubular body and the extension section.

3. The composite pipe connection assembly of claim 1, wherein the connection pipe further comprises a fastening joint provided with a first fastening structure and a second fastening structure, the extension pipe section is provided with a first mating structure, the extension pipe section is provided with a second mating structure, the first fastening structure mates with the first mating structure, and the second fastening structure mates with the second mating structure.

4. The composite pipe connection assembly of claim 3, wherein the first fastening structure is an internal thread and the first mating structure is an external thread, the internal thread mating with the external thread; the second fastening structure is a butting platform, the second matching structure is a convex block, and the butting platform butts against the convex block.

5. The composite pipe connection assembly of claim 3, wherein the first and second fastening structures are both internal threads and the first and second mating structures are both external threads, each internal thread mating with one of the external threads.

6. The composite tube connection assembly of claim 3, wherein the first fastening structure is a retention table, the first mating structure is a tab, and the retention table is in retention with the tab; the second fastening structure is an internal thread, the second matching structure is an external thread, and the internal thread is matched with the external thread.

7. The composite tube connection assembly of claim 1, wherein the reinforcement layer comprises two layers of strips helically wound over the warp layer, the two layers of strips being wound in opposite directions.

8. The composite tubular connection assembly of claim 1, wherein the protective layer is made of an ethylene propylene rubber, chlorinated polyethylene, or nitrile rubber material, the reinforcement layer is made of a rubber or thermoplastic material, and the inner liner layer is made of a polyethylene, polyvinyl chloride, or polypropylene material.

9. The composite tube connection assembly of claim 1, wherein the number of the connection tubes is two, and two of the connection tubes are oppositely disposed at two ends of the composite tube.

10. A water supply and drainage pipeline comprising at least two composite pipe connecting assemblies as claimed in any one of claims 1 to 9, wherein the extension pipe sections of two adjacent composite pipe connecting assemblies are fixedly connected.

Images