CN215334923U

CN215334923U - Reinforced composite pipe and winding pipe

Info

Publication number: CN215334923U
Application number: CN202121760909.9U
Authority: CN
Inventors: 赵斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-12-28
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a reinforced composite pipe and a winding pipe, belonging to the field of pipe manufacturing. The utility model ensures the ring rigidity and the supporting degree of the pipeline, meets the delivery requirement and greatly reduces defective products in the production process.

Description

Reinforced composite pipe and winding pipe

Technical Field

The utility model belongs to the field of pipe manufacturing, and particularly relates to a reinforced composite pipe and a winding pipe.

Background

At present, a high strength polyethylene pipe is widely used for drainage facilities due to its strong flexibility, corrosion resistance and wear resistance. The construction of such ducts is usually a polyethylene tube wrapped with an adhesive tabbed tape. The pipeline saves raw materials and cost, improves the strength of the pipeline, but has the following defects to be improved:

1. on the pipeline formed by winding the strip, although the hollow fins play a role in improving the strength of the pipeline, the connection between the fins is not very firm due to the bonding position structure, and the strength of the pipeline needs to be further improved;

2. the bonding position of the strip is positioned outside the fins, no protective measures are taken on the pipeline, and the bonding position is easily damaged by brute force construction, so that the use effect and the service life of the pipeline are influenced.

In order to solve the problems, the application number CN201620695555.7 provides an inner rib reinforced helical bellows with a locking structure, wherein two hollow fins are arranged on the cross section of a strip, the upper and lower ends or/and the middle part of the bonding surface of each hollow fin are respectively provided with a fillet welding cavity, after two adjacent fins are bonded, the corresponding two fillet welding cavities are welded to form a wedge-shaped block, which can make the two fins connected firmly, thereby enhancing the structural strength of the pipeline; however, in the actual production and use process, the two hollow fins are easy to deform, the quality of the produced pipeline cannot reach the standard easily, and the ring stiffness and the supporting degree of the pipeline cannot meet the requirements easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reinforced composite pipe and a winding pipe, so that the ring rigidity and the support degree of a pipeline are ensured, the delivery requirement is met, and defective products in the production process are greatly reduced.

In order to realize the purpose of the utility model, the technical scheme is as follows: the reinforced composite pipe comprises an inner cladding layer and an outer cladding layer, wherein two hollow fins and a hollow support frame are arranged between the inner cladding layer and the outer cladding layer, a hollow support tube is positioned between the two hollow fins, and a glass fiber net layer is further arranged on the inner side of the outer cladding layer.

Furthermore, the non-bonding surface of the hollow wing piece is an arc surface or a triangular surface, and the outer side of the hollow wing piece is a plane.

Furthermore, the hollow support frame is in an inverted trapezoid shape or an O shape.

Furthermore, the upper end and the lower end of the bonding surface of the hollow fin or/and the middle part of the bonding surface are respectively provided with an angle welding cavity.

Furthermore, the angled welding cavity is triangular, dovetail-shaped, trapezoidal or quincunx.

Further, the inner cladding layer and the outer cladding layer are made of PE materials, and the hollow fins and the hollow support frame are made of PP materials.

A reinforced composite winding pipe comprises a pipe body which is formed by spirally winding the reinforced composite pipe and welding the pipe body by using welding glue.

The beneficial effect of the utility model is that,

the hollow support frame is arranged between the two hollow fins, so that the support degree of the pipe is greatly improved, and the ring stiffness of the finally manufactured pipeline is greatly improved; meanwhile, the glass fiber net layer is arranged on the inner side of the outer coating layer, so that the strength of the pipe and the manufactured pipeline is greatly improved, and the service life of the pipe and the pipeline is greatly prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the principles of the utility model.

FIG. 1 is a first schematic structural view of a reinforced composite pipe provided in example 1;

FIG. 2 is a schematic structural diagram II of the reinforced composite pipe provided in example 1;

FIG. 3 is a schematic structural view of the reinforced composite pipe provided in example 2;

FIG. 4 is a schematic structural view of the reinforced composite pipe provided in example 3;

FIG. 5 is a schematic structural view of the reinforced composite pipe provided in example 4;

figure 6 is a schematic structural view of the reinforced composite wound pipe provided in example 5.

Reference numbers and corresponding part names in the drawings:

1. the device comprises an inner cladding layer, 2 an outer cladding layer, 3 a hollow fin, 4 a hollow support frame, 5 a glass fiber net layer, 6 and a corner welding cavity.

Detailed Description

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Example 1

As shown in fig. 1, the reinforced composite pipe provided by the embodiment comprises an inner cladding layer 1 and an outer cladding layer 2, a certain gap is formed between the inner cladding layer 1 and the outer cladding layer 2, two hollow fins 3 and a hollow support frame 4 are arranged between the inner cladding layer 1 and the outer cladding layer 2, the two hollow fins 3 are arranged on two sides, the hollow support frame 4 is arranged between the two hollow fins 3, so that the two ends of the inner cladding layer 1 and the two ends of the outer cladding layer 2 are respectively supported through the two hollow fins 3, the middle parts of the inner cladding layer 1 and the outer cladding layer 2 are supported through the hollow support frame 4, and the inner sides of the hollow fins 3 can be supported through the hollow support frame 4, so that the support degree of the pipe is greatly improved, the ring rigidity of the finally manufactured pipe is greatly improved, the factory requirements are met, and defective products in the production process are greatly reduced.

The inner side of the outer cladding layer 2 is also provided with a glass fiber net layer 5, and the glass fiber net layer 5 is positioned in the outer cladding layer 2, so that the strength of the outer cladding layer 2 is greatly improved, the strength of the pipe and a pipeline made of the pipe is greatly improved, and the service life of the pipe and the pipeline is greatly prolonged.

In order to improve the intensity of cavity fin 3 and hollow support frame 4, avoid cavity fin 3 and hollow support frame 4 to warp, still can set up a plurality of strengthening ribs in cavity fin 3 and hollow support frame 4, the even interval in circumference of cavity fin 3 or hollow support frame 4 is arranged along a plurality of strengthening rib outer ends, and make the inner common fixation of a plurality of strengthening ribs, make the strengthening rib become the form of loosing at cavity fin 3 or hollow support frame 4, not only make the intensity of tubular product obtain guaranteeing, and effectively avoid the weight gain of tubular product.

The non-bonding surface of the hollow fin 3 is an arc surface or a triangular surface, the outer side of the hollow fin 3 is a plane, and when the pipe is manufactured into a pipeline, the outer side of the hollow fin 3 is a welding surface, so that the welding effect of the pipe is better.

When the narrower end of the hollow fin 3 is close to the outer cladding layer 2 and the wider end of the hollow fin 3 is close to the inner cladding layer 1, the distance between the two hollow fins 3 is funnel-shaped, at the moment, the hollow support frame 4 can be arranged in an inverted trapezoid shape, so that the two hollow fins 3 can be fully supported by the hollow support frame 4, and the strength of the pipe is greatly improved; in a similar way, when the narrower one end of hollow fin 3 is close to interior cladding 1, the one end of 3 broad of hollow fin is close to outer cladding 2, interval between two hollow fin 3 is trapezoidal, at this moment, can be the trapezium of inversion with the setting of cavity support frame 4, not only make and to pass through the abundant support of cavity support frame 4 between two hollow fin 3, and make the both sides of cavity support frame 4 still can support hollow fin 3, effectively avoid hollow fin 3 to produce deformation, make the intensity of tubular product improve greatly. Here, the shape of the hollow support frame 4 can also be an O shape or other shapes, so that the two hollow fins 3 can be effectively supported, the strength of the pipe is greatly improved, and the support degree and the ring stiffness of the pipeline finally manufactured by the pipe are greatly improved. In fig. 2, a reinforced composite tubing with a hollow support 4 in the shape of an O is provided.

The inner cladding layer 1 and the outer cladding layer 2 are made of PE materials, the hollow fins 3 and the hollow support frames 4 are made of PP materials, and the inner cladding layer 1 and the outer cladding layer 2 are made of PE materials.

Example 2

As shown in fig. 3, the embodiment provides a reinforced composite pipe, including inner cladding 1 and outer cladding 2, certain clearance has between inner cladding 1 and the outer cladding 2, two cavity fins 3 and hollow support frame 4 have between inner cladding 1 and the outer cladding 2, two cavity fins 3 are located both sides, hollow support frame 4 is located between two cavity fins 3, make inner cladding 1 and the outer cladding 2 both ends support through two cavity fins 3 respectively, inner cladding 1 supports through hollow support frame 4 with the outer cladding 2 middle part, and the inboard accessible hollow support frame 4 of cavity fin 3 supports, thereby make the support degree of tubular product improve greatly, thereby the ring rigidity of the pipeline that finally makes improves greatly, satisfy the demand of leaving the factory, greatly reduced flaw article in the production process.

When the narrower end of the hollow fin 3 is close to the outer cladding layer 2 and the wider end of the hollow fin 3 is close to the inner cladding layer 1, the distance between the two hollow fins 3 is funnel-shaped, at the moment, the hollow support frame 4 can be arranged in an inverted trapezoid shape, so that the two hollow fins 3 can be fully supported by the hollow support frame 4, and the strength of the pipe is greatly improved; in a similar way, when the narrower one end of hollow fin 3 is close to interior cladding 1, the one end of 3 broad of hollow fin is close to outer cladding 2, interval between two hollow fin 3 is trapezoidal, at this moment, can be the trapezium of inversion with the setting of cavity support frame 4, not only make and to pass through the abundant support of cavity support frame 4 between two hollow fin 3, and make the both sides of cavity support frame 4 still can support hollow fin 3, effectively avoid hollow fin 3 to produce deformation, make the intensity of tubular product improve greatly. Here, the shape of the hollow support frame 4 can also be an O shape or other shapes, so that the two hollow fins 3 can be effectively supported, the strength of the pipe is greatly improved, and the support degree and the ring stiffness of the pipeline finally manufactured by the pipe are greatly improved.

The upper and lower both ends of the bonding face of hollow fin 3 are equipped with banding angle butt fusion chamber 6 respectively, and here, the bonding face of hollow fin 3 is the outside of hollow fin 3 promptly, and after two adjacent fins bonded, corresponding two banding angle butt fusion chamber 6 butt fusion formed the wedge. The shape of the welding cavity 6 with the corners can be triangular, or can be other polygonal or irregular shapes, such as dovetail shape, trapezoid shape, plum blossom shape and the like, and the purpose can be achieved by forming a wedge shape after welding. The non-bonding surface of the hollow fin 3 is an arc surface or a sharp angle, and the tops of two adjacent fins are fused to form a B-shaped fin or a triangular fin.

Example 3

As shown in fig. 4, the present embodiment provides a reinforced composite pipe, which is different from the reinforced composite pipe provided in embodiment 2 in that: the upper end and the lower end of the bonding surface of the hollow fin 3 and the middle part of the bonding surface are respectively provided with a welding cavity 6 with an angle, wherein the bonding surface of the hollow fin 3 is the outer side of the hollow fin 3, and after two adjacent fins are bonded, the corresponding welding cavities 6 with the angles are welded to form a wedge-shaped block. The upper and lower ends of the bonding surface are provided with the corner welding cavities 6 in a triangular shape, and the middle part of the bonding surface is provided with the corner welding cavities 6 in a dovetail shape.

Example 4

As shown in fig. 5, the present embodiment provides a reinforced composite pipe, and the reinforced composite pipe provided in the present embodiment 4 is different from the reinforced composite pipe provided in embodiment 2 in that: the middle part of the bonding surface of the hollow fin 3 is provided with an angle welding cavity 6, wherein the bonding surface of the hollow fin 3 is the outer side of the hollow fin 3, and after two adjacent fins are bonded, the two corresponding angle welding cavities 6 are welded to form a wedge-shaped block. The shape of the angled weld cavity 6 may be any shape.

Example 5

As shown in fig. 6, this embodiment provides a reinforced composite winding pipe, which includes a pipe body formed by spirally winding and welding the reinforced composite pipe provided in embodiment 1, embodiment 2 or embodiment 3 with a welding glue, and the pipe body has the reinforced composite strip winding support provided in embodiment 1, embodiment 2 or embodiment 3, so that the ring stiffness, the support degree and the strength of the pipe are ensured.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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

1. The reinforced composite pipe is characterized by comprising an inner cladding layer (1) and an outer cladding layer (2), wherein two hollow wing pieces (3) and a hollow support frame (4) are arranged between the inner cladding layer (1) and the outer cladding layer (2), the hollow support frame is positioned between the two hollow wing pieces (3), and a glass fiber net layer (5) is further arranged on the inner side of the outer cladding layer (2).

2. The reinforced composite pipe according to claim 1, wherein the non-bonded surface of the hollow fin (3) is an arc surface or a triangular surface, and the outside of the hollow fin (3) is a plane.

3. The reinforced composite pipe according to claim 1, wherein the hollow support frame (4) is in the shape of an inverted trapezoid or an O-shape.

4. The reinforced composite pipe material according to claim 1, wherein the upper end and the lower end of the bonding surface of the hollow fin (3) or/and the middle part of the bonding surface are respectively provided with an angular welding cavity (6).

5. The reinforced composite pipe as claimed in claim 4, wherein the angular fusion cavities (6) are triangular, dovetail, trapezoidal or quincunx.

6. The reinforced composite pipe material as claimed in claim 1, wherein the inner cladding layer (1) and the outer cladding layer (2) are made of PE material, and the hollow fins (3) and the hollow support frames (4) are made of PP material.

7. A reinforced composite wound pipe comprising a pipe body formed by spirally winding the reinforced composite pipe material according to any one of claims 1 to 6 and welding the same with a welding paste.