CN221075587U - HDPE winding structure wall pipe - Google Patents
HDPE winding structure wall pipe Download PDFInfo
- Publication number
- CN221075587U CN221075587U CN202322743170.6U CN202322743170U CN221075587U CN 221075587 U CN221075587 U CN 221075587U CN 202322743170 U CN202322743170 U CN 202322743170U CN 221075587 U CN221075587 U CN 221075587U
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- CN
- China
- Prior art keywords
- flat plate
- overlapping extension
- extension end
- wall pipe
- plate portion
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Links
- 238000004804 winding Methods 0.000 title claims abstract description 31
- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 26
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 239000011159 matrix material Substances 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006664 bond formation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The utility model provides an HDPE winding structure wall pipe, which comprises a tubular profile matrix formed by spirally winding the HDPE winding structure wall pipe on a die. The axial direction of the mold is set to be the first direction. Each profile base body comprises a flat plate part and a reinforcing part which is integrally extruded with the flat plate part. Along a first direction, two ends of the flat plate part are respectively provided with a first overlapping extension end and a second overlapping extension end, wherein the first overlapping extension end is positioned at the bottom of the flat plate, and the second overlapping extension end is positioned at the top of the flat plate. As the profile matrix is wound, a plurality of spiral turns are formed, with adjacent two spiral turns overlapping through the first overlapping extension and the second overlapping extension. The HDPE winding structure wall pipe provided by the utility model can increase the contact area of two spiral rings when in overlapping, further can ensure that the two spiral rings are fully bonded, ensures the sealing effect and has strong practicability.
Description
Technical Field
The utility model belongs to the technical field of winding pipes, and particularly relates to an HDPE winding structure wall pipe.
Background
The HDPE winding structure wall pipe is a special structure wall pipe with high external pressure resistance by taking high-density polyethylene as a main raw material and adopting a thermal state winding forming process and taking a polypropylene single-wall corrugated pipe as a supporting structure. The method is mainly applied to the fields of municipal engineering, road engineering, building engineering, hydraulic engineering and the like.
In the prior art, the manufacturing of HDPE winding structure wall pipe is that the section bar monomer that the extruder extruded is spiral winding and forms generally, and specific every section bar monomer all includes dull and stereotyped structure and the circular structure of being connected with dull and stereotyped structure integrated into one piece, and dull and stereotyped portion lays at rotatory mould outer wall, along with the rotation of mould, and the section bar monomer is spiral winding, and adjacent two spiral circles overlap each other and by external squeeze roll extrusion back integrated into one piece bonding shaping through dull and stereotyped structure. Because this kind of structure relates to the overlap of two helicoidal coils, its overlap area is less, and the section bar monomer transfer in-process relates to the air cooling moreover, relates to the disturbance of workshop internal air, and the transition cooling appears in section bar monomer part, and though mould itself is also heating, its heat can not pierce through dull and stereotyped structure when the squeeze roll extrudees, consequently very easily appears local overlap position and can't bond completely at winding in-process, just directly leads to appearing revealing in subsequent use, the practicality is poor.
Disclosure of utility model
The embodiment of the utility model provides an HDPE winding structure wall pipe, which aims to solve the problem that the existing HDPE winding structure wall pipe is poor in practicability due to structural defects of profile monomers
In order to achieve the above purpose, the utility model adopts the following technical scheme: providing an HDPE winding structure wall pipe, which comprises a tubular profile matrix formed by spirally winding the HDPE winding structure wall pipe on a die; setting the axial direction of the die as a first direction;
Wherein each profile base body comprises a flat plate part and a reinforcing part which is formed by extruding the flat plate part integrally; along the first direction, two ends of the flat plate part are respectively provided with a first overlapping extension end and a second overlapping extension end, wherein the first overlapping extension end is positioned at the bottom of the flat plate, and the second overlapping extension end is positioned at the top of the flat plate; and forming a plurality of spiral turns along with the winding of the profile base body, wherein two adjacent spiral turns are overlapped through a first overlapped extending end and a second overlapped extending end.
In one possible implementation manner, the top of each first overlapped extension end is provided with a first contact surface, and at least one groove is arranged on the first contact surface;
The bottom of each second overlapping extension end is provided with a second contact surface matched with the first contact surface, and the second contact surface is provided with a protrusion matched with the groove.
In one possible implementation, the thickness of the first overlapping extension end is less than the thickness of the planar plate portion; the second overlap extension end has a thickness less than a thickness of the flat plate portion.
In one possible implementation, the bottom surface of the first overlapping extension end is flush with the bottom surface of the planar plate portion, and the top surface of the second overlapping extension end is flush with the top surface of the planar plate portion.
In one possible implementation, the reinforcement portion includes a ring, the ring is located at a middle position of the flat plate portion along the first direction, and a bottom end of the ring is connected to a top end of the flat plate portion.
In one possible implementation manner, the reinforcing part further includes a reinforcing plate, where the reinforcing plate is located in the ring and is disposed along a normal direction of the flat plate part, and one end of the reinforcing plate is connected to an inner wall of the ring, and one end of the reinforcing plate is connected to the flat plate part.
In this implementation mode, set up first overlapping extension end and second overlapping extension end respectively at the both ends of section bar base member, the two in-process that can guarantee section bar base member spiral winding, two adjacent helicoids overlap through first overlapping extension end and second overlapping extension end, can increase the area of contact when overlapping of two helicoids, and then can guarantee to carry out abundant bonding between two helicoids, guarantee sealed effect, the practicality is strong.
Drawings
FIG. 1 is a schematic sectional view of a profile substrate of an HDPE winding structure wall pipe provided by an embodiment of the utility model;
Fig. 2 is a schematic diagram of a laminated profile base of an HDPE wound structural wall pipe according to an embodiment of the present utility model;
reference numerals illustrate:
10. A flat plate portion; 11. a first overlapping extension; 12. a second overlapping extension; 13. a groove; 14. a protrusion; 20. a reinforcing section; 21. a circular ring; 22. reinforcing plate.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 and 2 together, the HDPE wound structure wall pipe provided by the present utility model will now be described. The HDPE winding structure wall pipe comprises a tubular profile matrix formed by spirally winding the HDPE winding structure wall pipe on a die. The axial direction of the mold is set to be the first direction.
Wherein each profile base body comprises a flat plate portion 10 and a reinforcing portion 20 integrally extruded with the flat plate portion 10. Along the first direction, two ends of the flat plate portion 10 are respectively provided with a first overlapping extension end 11 and a second overlapping extension end 12, wherein the first overlapping extension end 11 is located at the bottom of the flat plate, and the second overlapping extension end 12 is located at the top of the flat plate. As the profile matrix is wound, a plurality of spiral turns are formed, with adjacent two spiral turns overlapping by a first overlapping extension 11 and a second overlapping extension 12.
Compared with the prior art, the HDPE winding structure wall pipe provided by the embodiment has the advantages that the first overlapping extending end 11 and the second overlapping extending end 12 are respectively arranged at the two ends of the profile base body, two adjacent spiral rings can be ensured to be spirally wound in the process of the profile base body, the contact area of the two spiral rings can be increased when the first overlapping extending end 11 and the second overlapping extending end 12 are overlapped, sufficient adhesion between the two spiral rings can be ensured, the sealing effect is ensured, and the practicability is strong.
In this embodiment, it should be explained that, with respect to the top and bottom mentioned, only the surface of the flat plate portion 10 close to or in contact with the mold is the bottom surface, i.e., the bottom of the flat plate portion 10, and conversely, the surface away from the mold is the top surface, i.e., the top of the flat plate portion 10.
In some embodiments, the first overlapping extension end 11 and the second overlapping extension end 12 may have the structures shown in fig. 1 and 2. Referring to fig. 1 and 2, the top of each first overlapping extension 11 has a first contact surface, and at least one groove 13 is provided on the first contact surface. The bottom of each second overlapping extension 12 has a second contact surface that mates with the first contact surface, and a protrusion 14 that mates with the recess 13 is provided on the second contact surface.
Through overlapping of the first contact surface and the second contact surface, the contact area between two adjacent spiral rings can be effectively ensured, and then the sealing effect can be ensured. The contact area between two adjacent spiral rings can be further ensured through the grooves 13 and the protrusions 14 matched with the grooves 13, and the novel spiral ring has the advantages of simple structure, convenience in extrusion and formation and high practicability.
In some embodiments, the first overlapping extension end 11 and the second overlapping extension end 12 may have the structures shown in fig. 1 and 2. Referring to fig. 1 and 2, the thickness of the first overlap extension end 11 is smaller than the thickness of the flat plate portion 10. The thickness of the second overlapping extension end 12 is smaller than that of the flat plate part 10, after the second overlapping extension end 12 is in contact with the first overlapping extension end 11, heat on a die can timely penetrate through the first overlapping extension end 11, so that the bonding formation effect of the first overlapping extension end 11 and the second overlapping extension end 12 is guaranteed, and the sealing effect is guaranteed.
In some embodiments, the first overlapping extension end 11 and the second overlapping extension end 12 may have the structures shown in fig. 1 and 2. Referring to fig. 1 and 2, the bottom surface of the first overlap extension end 11 is flush with the bottom surface of the flat plate portion 10, and the top surface of the second overlap extension end 12 is flush with the top surface of the flat plate portion 10. The first overlapping extension end 11 and the second overlapping extension end 12 form a structure of tongue-and-groove butt joint, the structure is simple, extrusion is convenient to form, and meanwhile, the contact area between two adjacent spiral rings can be ensured, so that the sealing effect can be ensured.
In some embodiments, the reinforcement portion 20 may have a structure as shown in fig. 1 and 2. Referring to fig. 1 and 2, the reinforcing portion 20 includes a ring 21, the ring 21 is located at a middle position of the plate portion 10 along the first direction, and a bottom end of the ring 21 is integrally connected with the plate portion 10. The circular ring 21 can ensure the saving of raw materials, and simultaneously can increase the structural strength of the pipe formed by winding the flat plate part 10, and has the advantages of simple structure, convenience in extrusion formation and strong practicability.
In the ring 21, a portion of the bottom end of the ring 21 extends into the flat plate portion 10, and thus the cavity formed by the ring 21 and the flat plate portion 10 is a fan-shaped cavity.
In some embodiments, the reinforcement portion 20 may have a structure as shown in fig. 1 and 2. Referring to fig. 1 and 2, the reinforcing portion 20 further includes a reinforcing plate 22, and the reinforcing plate 22 is disposed in the circular ring 21 and along a normal direction of the flat plate portion 10, and has one end connected to an inner wall of the circular ring 21 and one end connected to the flat plate portion 10. The reinforcing plate 22 can mainly support the ring 21, and can ensure that the external force received by the ring 21 is directly transmitted to the flat plate part 10, so that the pressure concentration on the flat plate part 10 is avoided.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
- The HDPE winding structure wall pipe is characterized by comprising a tubular profile matrix formed by spirally winding the HDPE winding structure wall pipe on a die; setting the axial direction of the die as a first direction;Wherein each profile base body comprises a flat plate part and a reinforcing part which is formed by extruding the flat plate part integrally; along the first direction, two ends of the flat plate part are respectively provided with a first overlapping extension end and a second overlapping extension end, wherein the first overlapping extension end is positioned at the bottom of the flat plate, and the second overlapping extension end is positioned at the top of the flat plate; and forming a plurality of spiral turns along with the winding of the profile base body, wherein two adjacent spiral turns are overlapped through a first overlapped extending end and a second overlapped extending end.
- 2. The HDPE wound structural wall pipe of claim 1, wherein the top of each of the first overlapping extension ends has a first contact surface with at least one groove disposed thereon;The bottom of each second overlapping extension end is provided with a second contact surface matched with the first contact surface, and the second contact surface is provided with a protrusion matched with the groove.
- 3. The HDPE wound structural wall tube of claim 2, wherein the thickness of the first overlapping extension end is less than the thickness of the flat plate portion; the second overlap extension end has a thickness less than a thickness of the flat plate portion.
- 4. The HDPE wound structural wall pipe of claim 3, wherein the bottom surface of the first overlapping extension is flush with the bottom surface of the flat plate portion and the top surface of the second overlapping extension is flush with the top surface of the flat plate portion.
- 5. The HDPE wound structural wall pipe of claim 1, wherein the reinforcement portion comprises a circular ring located at an intermediate position of the flat plate portion along the first direction, and a bottom end of the circular ring is connected to a top end of the flat plate portion.
- 6. The HDPE wound structural wall pipe of claim 5, wherein the reinforcing portion further comprises a reinforcing plate which is located in the circular ring and is disposed along a normal direction of the flat plate portion, one end of which is connected to an inner wall of the circular ring, and one end of which is connected to the flat plate portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322743170.6U CN221075587U (en) | 2023-10-12 | 2023-10-12 | HDPE winding structure wall pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322743170.6U CN221075587U (en) | 2023-10-12 | 2023-10-12 | HDPE winding structure wall pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221075587U true CN221075587U (en) | 2024-06-04 |
Family
ID=91271229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322743170.6U Active CN221075587U (en) | 2023-10-12 | 2023-10-12 | HDPE winding structure wall pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221075587U (en) |
-
2023
- 2023-10-12 CN CN202322743170.6U patent/CN221075587U/en active Active
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