CN219866706U - Hollow wall reinforced winding corrugated pipe - Google Patents
Hollow wall reinforced winding corrugated pipe Download PDFInfo
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- CN219866706U CN219866706U CN202223603297.XU CN202223603297U CN219866706U CN 219866706 U CN219866706 U CN 219866706U CN 202223603297 U CN202223603297 U CN 202223603297U CN 219866706 U CN219866706 U CN 219866706U
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- Prior art keywords
- wall
- hollow
- joint part
- joint
- section bar
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- 238000004804 winding Methods 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 49
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 206010023230 Joint stiffness Diseases 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 230000004927 fusion Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The hollow wall reinforced winding corrugated pipe comprises a hollow pipe body formed by spirally winding a section bar and a material reinforcing layer arranged on the outer wall of the hollow pipe body, wherein a hollow cavity is formed in the section bar, an inner joint part is arranged at one end of the section bar, an outer joint part is arranged at the other end of the section bar, a joint groove is arranged on the outer wall of the inner joint part, and a joint strip matched in the joint groove is arranged on the inner wall of the outer joint part; a reserved gap is reserved between the side wall of the section bar and the side wall of the external connecting part, and part of materials of the material reinforcing layer are filled in the reserved gap and the bonding groove. The utility model has the advantages that the reserved gap is reserved, so that the deformation and movement of the outer joint part can be conveniently realized when the profile is deformed in the spiral process, and the problem that the joint strip can be hard-extruded and matched into the joint groove only by high pressure is avoided; meanwhile, part of the material reinforcing layer is filled in the reserved gap, so that the joint tightness of the inner joint part and the outer joint part can be ensured, and the tightness of the hollow pipe body is improved.
Description
Technical Field
The utility model relates to the technical field of pipelines, in particular to a hollow wall reinforced winding corrugated pipe.
Background
The winding pipe is a pipe formed by spirally winding plastic profiles, and in order to ensure that the pipe has certain impact resistance, the outer side wall of the winding pipe is generally coated with a material reinforcing layer.
For example, the inventor has proposed a hollow composite reinforcing rib reinforced spiral wound pipe, with the publication number of CN217874605U, which comprises a wound pipe section, wherein the wound pipe section is spirally wound along an axis to form a hollow pipe body; the two ends of the winding pipe section are provided with joint parts, the joint part at one end of the winding pipe section is provided with joint grooves, the joint part at the other end of the winding pipe section is provided with joint strips, and adjacent turns of spiral pipe sections are jointed with the joint strips through the joint grooves to form a tightly connected hollow pipe body; the outer side wall of the winding pipe section is provided with a plurality of outwards-protruding engaging parts, the engaging parts are distributed at intervals along the outer side wall of the winding pipe section, and adhesive grooves are formed between adjacent engaging parts at intervals. The structure can enable the reinforcing layer to be firmly adhered to the outer side wall of the winding pipe section through the matching of the matching part and the reinforcing layer, so that the shock resistance and the service life of the spiral winding pipe are ensured; and simultaneously, the jointing grooves are jointed with the jointing strips to form a tightly connected hollow pipe body between the spiral pipe sections with adjacent turns, so that the welding treatment at the joint is not needed, and the production flow of the spiral wound pipe is simplified. However, some small problems are still found in the use process, and improvement of part of the structure is needed.
For example, after the hollow pipe body is formed by spirally winding the section bar, the side wall of the joint part where the edges of the hollow pipe body are jointed with the winding pipe section bar, and the design can ensure the compactness of the winding pipe section bar after being wound into the hollow pipe body, but does not leave redundant space; when the spiral winding process of the winding pipe profile is deformed, small dislocation possibly occurs between the joint strip and the joint groove due to deformation, so that the joint strip cannot well correspond to the joint groove, and because no redundant space is available for deformation movement of the joint part, the joint strip can be hard-pressed and matched into the joint groove by the winding pipe processing equipment only by applying large pressure, and the joint strip is easy to crush.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a hollow wall reinforced winding corrugated pipe.
The technical scheme adopted for solving the technical problems is as follows:
the hollow wall reinforced winding corrugated pipe comprises a hollow pipe body formed by spirally winding a section bar and a material reinforcing layer arranged on the outer wall of the hollow pipe body, wherein a hollow cavity is formed in the section bar, an inner joint part is arranged at one end of the section bar, an outer joint part matched with the outer side of the inner joint part when the section bar is spirally wound is arranged at the other end of the section bar, a joint groove is formed in the outer wall of the inner joint part, and a joint strip matched with the joint groove when the section bar is spirally wound is arranged on the inner wall of the outer joint part; the outer wall of the profile or/and the outer wall of the outer joint part are provided with engaging parts, and an adhesive groove is formed between two adjacent engaging parts; the method is characterized in that: a reserved gap is reserved between the side wall of the section bar and the side wall of the external connecting part, and part of materials of the material reinforcing layer are filled in the reserved gap and the bonding groove.
In the utility model, the section bar is made of MPVC material.
In the utility model, the profile and the material reinforcing layer are made of the same material.
In the utility model, the material reinforcing layer is made of MPVC, PVC or PE material.
In the utility model, the cross-sectional shapes of the joint groove and the joint strip are the same, and the structures of the joint groove and the joint strip are matched.
In the utility model, a fiber reinforced layer is arranged in the material reinforced layer.
In the utility model, the fiber reinforced layer is made of glass fibers.
In the utility model, the hollow cavity is internally provided with the supporting ribs, and two ends of the supporting ribs are respectively connected with the top wall and the bottom wall of the hollow cavity.
In the utility model, the position where the external joint part and the internal joint part are mutually jointed corresponds to the spiral convex rib.
In the utility model, the spiral ribs and the material reinforcing layer are made of the same material.
The utility model has the beneficial effects that: the utility model has the advantages that the reserved gap is reserved, so that the deformation and movement of the outer joint part can be conveniently realized when the profile is deformed in the spiral process, and the problem that the joint strip can be hard-extruded and matched into the joint groove only by high pressure is avoided; meanwhile, part of the material reinforcing layer is filled in the reserved gap, so that the joint tightness of the inner joint part and the outer joint part can be ensured, and the tightness of the hollow pipe body is improved.
Drawings
The utility model is further described below with reference to the drawings and embodiments:
fig. 1 is a perspective view of the present embodiment;
FIG. 2 is a schematic cross-sectional view of a profile;
fig. 3 is a sectional view of the present embodiment;
FIG. 4 is an enlarged view of I in FIG. 3;
FIG. 5 is a cross-sectional view of a hollow tubular body;
fig. 6 is an enlarged view of ii in fig. 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-6, the hollow-wall reinforced winding corrugated pipe comprises a hollow pipe body 2 formed by spirally winding a section bar 1 and a material reinforcing layer 3 arranged on the outer wall of the hollow pipe body 2, wherein a hollow cavity 10 is arranged in the section bar 1, an inner joint part 11 is arranged on one end of the section bar 1, an outer joint part 12 matched with the outer side of the inner joint part 11 when the section bar 1 is spirally wound is arranged on the other end of the section bar, a joint groove 111 is arranged on the outer wall of the inner joint part 11, and a joint strip 121 matched in the joint groove 111 when the section bar 1 is spirally wound is arranged on the inner wall of the outer joint part 12; the outer wall of the profile 1 or/and the outer wall of the outer joint part 12 are provided with engaging parts 13, and an adhesive groove 14 is formed between two adjacent engaging parts 13. A reserved gap 15 is reserved between the side wall of the section bar 1 and the side wall of the external connecting part 12, and part of the material reinforcing layer 3 is filled in the reserved gap 15 and the bonding groove 14.
As a preferred embodiment, the profile 1 is made of MPVC material, and the material reinforcement layer 3 may also be made of a material consistent with the profile 1, i.e. the material reinforcement layer 3 may also be made of MPVC material as well. Of course, in other embodiments, the material reinforcement layer 3 may be made of PVC or PE material.
As a preferred embodiment, a first gap is left between the outer wall of the inner joint part 11 and the inner wall of the outer joint part 12, so that the outer wall of the inner joint part 11 and the inner wall of the outer joint part 12 can be heated and melted quickly and then pressed and fused together, namely, after the outer wall of the inner joint part 11 and the inner wall of the outer joint part 12 are pressed and fused together, the first gap is eliminated, and the joint quality of the joint part 11 and the outer joint part 12 is ensured; of course, in other embodiments, the first gap may be filled with glue, and the glue is cured to form a filling in the first gap, which can also play a role in enhancing the bonding quality of the bonding portion 11 and the external bonding portion 12.
As a preferred embodiment, the cross-sectional shapes of the engagement groove 111 and the engagement bar 121 are the same, and the engagement groove 111 and the engagement bar 121 are configured to be engaged, so that the engagement bar 121 and the engagement groove 111 can be constrained to each other after the engagement bar 121 is engaged in the engagement groove 111. Further, the fusion is performed at a high temperature after the joint bar 121 is engaged in the joint groove 111, thereby securing the firmness of both. The cross-sectional shape of the engaging portion 13 is an isosceles trapezoid, and the cross-sectional width of the engaging portion 13 gradually increases from the side near the profile 1 to the outside, so that the engaging portion 13 and the material reinforcing layer 3 form a mutually constrained and fixed structure after the material reinforcing layer 3 enters the bonding groove 14, and the material reinforcing layer 3 is firmly bonded to the outside of the hollow tube body 2.
As a preferred embodiment, the fiber reinforced layer 4 is disposed in the material reinforced layer 3, and the fiber reinforced layer 4 has a net structure, so that part of the material reinforced layer 3 is adhered to the hollow pipe body 2 through the meshes of the fiber reinforced layer 4. In this embodiment, the fiber reinforcement layer 4 is made of glass fibers, preferably a glass fiber mesh. The material reinforcing layer 3 and the fiber reinforcing layer 4 have better performances such as hardness, strength and rigidity, the overall structural strength of the pipe can be improved, and meanwhile, when the spiral winding pipe is subjected to external impact, stamping and other external forces, the material reinforcing layer 3 and the fiber reinforcing layer 4 can well protect the hollow pipe body 2, so that the purpose of prolonging the service life of the winding corrugated pipe is achieved.
As a preferred embodiment, the inner joint part 11 is provided with a reserved cavity 112, and the reserved cavity 112 can be used for reducing the weight of the inner joint part 11, and simultaneously, the inner joint part 11 can be heated and locally melted and deformed more quickly, so that the inner joint part 11 and the outer joint part 12 are better in fusion connection.
As a preferred embodiment, the hollow cavity 10 is provided with a supporting rib 101, and two ends of the supporting rib 101 are respectively connected with the top wall and the bottom wall of the hollow cavity 10. In this embodiment, the support ribs 101 are multiple, the hollow cavity 10 is divided into multiple separate cavities by the multiple support ribs 101, and the support ribs 101 are used for ensuring the overall structural strength of the profile 1.
As a preferred embodiment, the outer wall of the material reinforcing layer 3 is convexly provided with a spiral rib 31 which extends along the axial direction of the hollow pipe body 2 in a spiral manner, and the spiral rib 31 can enhance the overall strength of the wound corrugated pipe. Further, the position where the external connection portion 12 and the internal connection portion 11 are mutually connected corresponds to the spiral rib 31, that is, when the spiral rib 31 extends along the axial direction of the hollow pipe body 2, the spiral rib 31 just corresponds to the position where the external connection portion 12 and the internal connection portion 11 are mutually connected, and by means of the structure, the overall structural strength of the pipe can be further improved, and meanwhile, the connection position of the external connection portion 12 and the internal connection portion 11 can be protected, so that the connection stability of the external connection portion 12 and the internal connection portion 11 is ensured. The spiral ribs 31 and the material reinforcing layer 3 are made of the same material, for example, during processing, the fiber reinforcing layer 4 is wound on the outer wall of the hollow pipe body 2, then the MPVC, PVC or PE material is heated and softened and then laid on the fiber reinforcing layer 4, and then the spiral ribs 31 are pressed out simultaneously during flattening of the MPVC, PVC or PE material to form the material reinforcing layer 3.
As a preferred embodiment, the inner wall of the hollow pipe body 2 is coated with a corrosion-resistant layer 5, and the corrosion-resistant layer 5 is an epoxy resin coating. In addition, the inner wall surface of the corrosion-resistant layer 5 is smoothly designed, so that the resistance of fluid passing is reduced, and the fluid can conveniently flow in the hollow pipe body 2. The adoption of the corrosion-resistant layer 5 for the coiled corrugated pipe can prevent the hollow pipe body 2 from being corroded by fluid, and prolong the service life of the spiral coiled pipe; meanwhile, the joint gap of the inner wall of the hollow pipe body 2 is plugged by the inner corrosion layer, so that the tightness of the winding corrugated pipe is enhanced, and the leakage of fluid is avoided.
The foregoing is only a preferred embodiment of the present utility model, and all technical solutions for achieving the object of the present utility model by substantially the same means are included in the scope of the present utility model.
Claims (10)
1. The hollow wall reinforced winding corrugated pipe comprises a hollow pipe body (2) formed by spirally winding a section bar (1) and a material reinforcing layer (3) arranged on the outer wall of the hollow pipe body (2), wherein a hollow cavity (10) is formed in the section bar (1), an inner joint part (11) is arranged at one end of the section bar (1), an outer joint part (12) matched with the outer side of the inner joint part (11) when the section bar (1) is spirally wound is arranged at the other end of the section bar, a joint groove (111) is formed in the outer wall of the inner joint part (11), and a joint strip (121) matched in the joint groove (111) when the section bar (1) is spirally wound is arranged on the inner wall of the outer joint part (12); the outer wall of the profile (1) or/and the outer wall of the outer joint part (12) are provided with engaging parts (13), and an adhesive groove (14) is formed between two adjacent engaging parts (13); the method is characterized in that: a reserved gap (15) is reserved between the side wall of the profile (1) and the side wall of the outer joint part (12), and part of the material reinforcing layer (3) is filled in the reserved gap (15) and the bonding groove (14).
2. The hollow-wall ribbed wound bellows of claim 1, characterized in that: the section bar (1) is made of MPVC material.
3. The hollow-wall ribbed wound bellows of claim 1, characterized in that: the profile (1) and the material reinforcing layer (3) are made of the same material.
4. The hollow-wall ribbed wound bellows of claim 1, characterized in that: the material reinforcing layer (3) is made of MPVC, PVC or PE materials.
5. The hollow-wall ribbed wound bellows of claim 1, characterized in that: the cross-sectional shapes of the joint groove (111) and the joint strip (121) are the same, and the structures of the joint groove (111) and the joint strip (121) are matched.
6. The hollow-wall ribbed wound bellows of claim 1, characterized in that: a fiber reinforced layer (4) is arranged in the material reinforced layer (3).
7. The hollow-wall ribbed wound bellows of claim 6, characterized in that: the fiber reinforcement layer (4) is made of glass fibers.
8. The hollow-wall ribbed wound bellows of claim 1, characterized in that: the hollow cavity (10) is internally provided with a supporting rib (101), and two ends of the supporting rib (101) are respectively connected with the top wall and the bottom wall of the hollow cavity (10).
9. The hollow-wall ribbed wound bellows of claim 1, characterized in that: the position where the outer joint part (12) and the inner joint part (11) are mutually jointed corresponds to the spiral convex rib (31).
10. The hollow-wall ribbed wound bellows of claim 9, characterized in that: the spiral ribs (31) and the material reinforcing layer (3) are made of the same material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223603297.XU CN219866706U (en) | 2022-12-30 | 2022-12-30 | Hollow wall reinforced winding corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223603297.XU CN219866706U (en) | 2022-12-30 | 2022-12-30 | Hollow wall reinforced winding corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866706U true CN219866706U (en) | 2023-10-20 |
Family
ID=88340188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223603297.XU Active CN219866706U (en) | 2022-12-30 | 2022-12-30 | Hollow wall reinforced winding corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866706U (en) |
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2022
- 2022-12-30 CN CN202223603297.XU patent/CN219866706U/en active Active
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