CN220354692U - High-strength HDPE double-wall corrugated pipe - Google Patents

Abstract

The utility model discloses a high-strength HDPE double-wall corrugated pipe, which comprises an inner pipe body, wherein a plurality of transverse reinforcing strips are arranged outside the inner pipe body at equal intervals along the transverse direction, an anti-deformation bin is arranged in the transverse reinforcing strips, and an I-shaped reinforcing rib is arranged in the anti-deformation bin; the outer part of the inner pipe body is provided with a plurality of outer corrugated layers along the vertical equidistant structure, a plurality of anti-extrusion bins are annularly distributed in the outer corrugated layers, and buffer columns are arranged in the anti-extrusion bins; and the two ends of the inner pipe body are also provided with pipeline connecting mechanisms. The transverse reinforcing strips are added outside the double-wall corrugated pipe, the I-shaped reinforcing ribs are arranged inside the transverse reinforcing strips, the anti-extrusion deformation performance of the pipeline is improved through the buffer column in the outer corrugated layer, and the anti-extrusion layer woven by the steel wire mesh is matched with the structure to form multiple protection on the inner pipe body, so that the strength and the anti-extrusion deformation capability of the double-wall corrugated pipe are improved, and the purpose of prolonging the service life of the double-wall corrugated pipe is achieved.

Description

High-strength HDPE double-wall corrugated pipe

Technical Field

The utility model relates to the technical field of corrugated pipe generation, in particular to a high-strength HDPE double-wall corrugated pipe.

Background

The double-wall corrugated pipe is a novel pipe with an annular structure and a smooth inner wall, has been developed from a single variety to a complete product series through more than ten years of development and perfection, is very mature in production technology and use technology at present, has been greatly popularized and applied due to excellent performance and relatively economical manufacturing cost, has the advantages of light weight, small drainage resistance, high compressive strength, corrosion resistance, convenient construction and the like, is an ideal material for replacing cast iron pipes and cement concrete pipes, and is increasingly applied to related fields of construction, communication, agriculture and the like with excellent performance at present.

The existing double-wall corrugated pipe is low in strength, when being extruded by external force, the joint of two adjacent corrugated sections of the double-wall corrugated pipe is extremely easy to damage, the double-wall corrugated pipe is further broken, the phenomenon that the double-wall corrugated pipe becomes brittle, hard and fragile easily occurs when the double-wall corrugated pipe is used for a long time, and long-time use of a user is not facilitated.

Disclosure of Invention

The utility model aims to provide a high-strength HDPE double-wall corrugated pipe, which is characterized in that the strength and the extrusion deformation resistance of the double-wall corrugated pipe are improved by forming multiple protection on an inner pipe body through an I-shaped reinforcing rib in a transverse reinforcing strip, a buffer column arranged in an outer corrugated layer and an extrusion resistance layer woven by a steel wire mesh, so that the purpose of prolonging the service life of the double-wall corrugated pipe is achieved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high strength HDPE double wall bellows comprising:

the inner pipe body is provided with a plurality of transverse reinforcing strips at equal intervals along the transverse direction, an anti-deformation bin is arranged in the transverse reinforcing strips, and I-shaped reinforcing ribs are arranged in the anti-deformation bin;

a plurality of outer corrugated layers are vertically and equidistantly constructed outside the inner pipe body, a plurality of anti-extrusion bins are annularly distributed in the outer corrugated layers, and buffer columns are arranged in the anti-extrusion bins;

and two ends of the inner pipe body are also provided with pipeline connecting mechanisms.

Preferably, the transverse reinforcing strips and the outer corrugated layer are vertically intersected, and the outer parts of the transverse reinforcing strips and the outer corrugated layer are wrapped with the wear-resistant layers.

Preferably, the deformation-resistant bins and the adjacent extrusion-resistant bins are distributed in a staggered manner, and the I-shaped reinforcing ribs penetrate through each outer corrugated layer intersected with the outer corrugated layers.

Preferably, the pipeline connecting mechanism comprises a first connector arranged at one end of the inner pipe body, and external threads are arranged outside the first connector.

Preferably, the pipe connection mechanism further comprises a second connector arranged at the other end of the inner pipe body, and an inner thread is arranged on the inner wall of the second connector.

Preferably, an anti-extrusion layer woven by steel wire mesh is arranged between the outer wall of the inner pipe body, the transverse reinforcing strips and the outer corrugated layer.

Preferably, the inner wall of the inner pipe body is provided with an anti-corrosion coating.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the transverse reinforcing strips are added outside the double-wall corrugated pipe, the I-shaped reinforcing ribs are arranged inside the transverse reinforcing strips, the anti-extrusion deformation performance of the pipeline is improved by the buffer columns in the outer corrugated layer, and multiple protection to the inner pipe body is formed by the anti-extrusion layer woven by the steel wire mesh and the structure, so that the strength and the anti-extrusion deformation capability of the double-wall corrugated pipe are improved, and the purpose of prolonging the service life of the double-wall corrugated pipe is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 3 a in accordance with the present utility model;

fig. 4 is an enlarged schematic view of fig. 3 b in accordance with the present utility model.

In the figure: 1. an inner tube body; 2. a transverse reinforcing strip; 3. an anti-deformation bin; 4. i-shaped reinforcing ribs; 5. an outer corrugated layer; 6. an anti-extrusion bin; 7. a buffer column; 8. a wear-resistant layer; 9. a first connector; 10. an external thread; 11. a second connector; 12. an internal thread; 13. an anti-extrusion layer; 14. and (3) an anti-corrosion coating.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a high strength HDPE double wall bellows, comprising: the inner pipe body 1, the outside of the inner pipe body 1 is equidistant along the transverse direction and is connected with a plurality of transverse reinforcing strips 2 through adhesive bonding, the transverse reinforcing strips 2 are made of soft rubber materials, the transverse reinforcing strips 2 are connected to the outer wall of the anti-extrusion layer 13 through adhesive bonding, an anti-deformation bin 3 is arranged in the transverse reinforcing strips 2, an I-shaped reinforcing rib 4 is connected in the anti-deformation bin 3 through adhesive bonding, and the I-shaped reinforcing rib 4 is made of high-strength polyester rubber materials;

the inner wall of the inner pipe body 1 is coated with an anti-corrosion coating 14, a plurality of outer corrugated layers 5 are vertically equidistantly constructed outside the inner pipe body 1, the outer corrugated layers 5 are adhered and connected to the outer wall of the anti-extrusion layer 13 through adhesives, a plurality of anti-extrusion bins 6 are annularly distributed in the outer corrugated layers 5, the anti-extrusion bins 6 are adhered and connected with buffer columns 7 through the adhesives, the buffer columns 7 and the outer corrugated layers 5 are injection-molded integrated parts, the anti-deformation bins 3 and the adjacent anti-extrusion bins 6 are distributed in a staggered mode, and the I-shaped reinforcing ribs 4 penetrate through each outer corrugated layer 5 intersected with the anti-extrusion bins;

the transverse reinforcing strips 2 are vertically intersected with the outer corrugated layer 5, the outer parts of the transverse reinforcing strips 2 and the outer corrugated layer 5 are wrapped with the wear-resistant layers 8, the wear-resistant layers 8 are polyurethane coatings, and an anti-extrusion layer 13 woven by steel wire meshes is connected between the outer wall of the inner pipe body 1 and the transverse reinforcing strips 2 and the outer corrugated layer 5 through adhesive bonding;

the both ends of interior body 1 still are provided with pipe connection mechanism, and pipe connection mechanism is equipped with external screw thread 10 including the first connector 9 of an organic whole setting in interior body 1 one end, and pipe connection mechanism still includes the second connector 11 of an organic whole setting at interior body 1 other end, and the inner wall of second connector 11 is equipped with internal screw thread 12.

Working principle: the transverse reinforcing strips 2 are added to the outside of the double-wall corrugated pipe, I-shaped reinforcing ribs 4 are arranged in the transverse reinforcing strips 2, the buffer columns 7 are arranged in the outer corrugated layer 5 to increase the extrusion deformation resistance of the pipe, and the extrusion resistance layer 13 woven by a steel wire mesh is matched with the structure to form multiple protection on the inner pipe body 1, so that the strength and the extrusion deformation resistance of the double-wall corrugated pipe are improved, and the purpose of prolonging the service life of the double-wall corrugated pipe is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A high strength HDPE double wall bellows, comprising:

the inner pipe body (1), a plurality of transverse reinforcing strips (2) are arranged outside the inner pipe body (1) at equal intervals along the transverse direction, an anti-deformation bin (3) is arranged in the transverse reinforcing strips (2), and an I-shaped reinforcing rib (4) is arranged in the anti-deformation bin (3);

a plurality of outer corrugated layers (5) are vertically and equidistantly constructed outside the inner pipe body (1), a plurality of anti-extrusion bins (6) are annularly distributed in the outer corrugated layers (5), and buffer columns (7) are arranged in the anti-extrusion bins (6);

and the two ends of the inner pipe body (1) are also provided with pipeline connecting mechanisms.

2. A high strength HDPE double wall bellows according to claim 1, wherein: the transverse reinforcing strips (2) are perpendicularly intersected with the outer corrugated layers (5), and the outer parts of the transverse reinforcing strips (2) and the outer corrugated layers (5) are wrapped with wear-resistant layers (8).

3. A high strength HDPE double wall corrugated pipe according to claim 2, wherein: the deformation-resistant bins (3) and the adjacent extrusion-resistant bins (6) are distributed in a staggered mode, and the I-shaped reinforcing ribs (4) penetrate through each outer corrugated layer (5) intersected with each outer corrugated layer.

4. A high strength HDPE double wall bellows according to claim 1, wherein: the pipeline connecting mechanism comprises a first connecting head (9) arranged at one end of the inner pipe body (1), and external threads (10) are arranged outside the first connecting head (9).

5. A high strength HDPE double wall bellows as claimed in claim 4, wherein: the pipeline connecting mechanism further comprises a second connector (11) arranged at the other end of the inner pipe body (1), and an inner thread (12) is arranged on the inner wall of the second connector (11).

6. A high strength HDPE double wall corrugated pipe according to claim 2, wherein: an anti-extrusion layer (13) woven by steel wire mesh is arranged between the outer wall of the inner pipe body (1) and the transverse reinforcing strips (2) and the outer corrugated layer (5).

7. A high strength HDPE double wall bellows according to claim 1, wherein: the inner wall of the inner pipe body (1) is provided with an anti-corrosion coating (14).