CN215410598U - High-strength HPVC double-wall corrugated pipe - Google Patents
High-strength HPVC double-wall corrugated pipe Download PDFInfo
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- CN215410598U CN215410598U CN202121391886.9U CN202121391886U CN215410598U CN 215410598 U CN215410598 U CN 215410598U CN 202121391886 U CN202121391886 U CN 202121391886U CN 215410598 U CN215410598 U CN 215410598U
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Abstract
The utility model discloses a high-strength HPVC double-wall corrugated pipe which comprises a double-wall corrugated pipe body, wherein an outer pipe is arranged on the outer layer of the double-wall corrugated pipe body, a first buffer layer is fixed on the inner wall of the outer pipe, a first reinforcing net is fixedly nested inside the first buffer layer, a reinforcing layer is fixed on the inner side of the first buffer layer, a second buffer layer is fixed on the inner side of the reinforcing layer, an inner pipe is fixed on the inner side of the second buffer layer, and reinforcing strips are fixed on the inner wall of the inner pipe at equal intervals in the circumferential direction. According to the double-wall corrugated pipe, the reinforcing strips are fixed on the inner wall of the inner pipe at equal intervals in the circumferential direction, so that the strength of the inner pipe is improved, and the first buffer layer, the reinforcing layer and the second buffer layer are arranged between the outer pipe and the inner pipe, so that the double-wall corrugated pipe has the advantages of high ring stiffness, high strength, high insulativity, light weight, high impact strength, high corrosion resistance, cold resistance, heat resistance and the like, and the service life of the double-wall corrugated pipe is prolonged.
Description
Technical Field
The utility model relates to the field of double-wall corrugated pipes, in particular to a high-strength HPVC double-wall corrugated pipe.
Background
The double-wall corrugated pipe is a novel pipe with an outer wall with an annular structure and a smooth inner wall, and has the characteristics of strong external pressure resistance, low engineering cost, long service life and the like. The double-wall corrugated pipe has the advantages of unique structure, high strength, smooth inner wall, small frictional resistance and large circulation, and the outer wall is of an annular corrugated structure, so that the annular rigidity of the pipe is greatly enhanced, and the resistance of the pipe to soil load is enhanced. The HPVC double-wall corrugated pipe is a double-wall corrugated pipe which is processed by taking polyvinyl chloride as a main raw material.
At present, although the HPVC double-wall corrugated pipe product is relatively mature, in the using process, because the pipe wall is thin, the problems of low strength, insufficient external pressure load resistance and easy breakage still exist, thereby increasing the use cost.
Therefore, it is necessary to develop a high strength HPVC double wall corrugated pipe to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-strength HPVC double-wall corrugated pipe, which is characterized in that reinforcing strips are fixed on the inner wall of an inner pipe at equal intervals in the circumferential direction, an outer pipe, the inner pipe and the reinforcing strips are all made of polyvinyl chloride resin materials and polyimide fiber materials in a mixing processing mode, and a first buffer layer, a reinforcing layer and a second buffer layer are arranged between the outer pipe and the inner pipe, so that the defects in the technology are overcome.
In order to achieve the above purpose, the utility model provides the following technical scheme: a high-strength HPVC double-wall corrugated pipe comprises a double-wall corrugated pipe body, wherein an outer pipe is arranged on the outer layer of the double-wall corrugated pipe body, the outer side wall of the outer pipe is of a wavy structure, wave crests are arranged on the outer side wall of the outer pipe at equal intervals, grooves are formed in the inner side wall of the outer pipe corresponding to the external arrangement of the wave crests, a first buffer layer is fixed on the inner wall of the outer pipe, supporting blocks are arranged on one side, close to the outer pipe, of the first buffer layer at equal intervals, the supporting blocks correspond to the grooves, the supporting blocks are nested in the grooves, a first reinforcing net is fixedly nested in the first buffer layer, a reinforcing layer is fixedly nested in the first buffer layer, a second buffer layer is fixedly arranged on the inner side of the reinforcing layer, a second reinforcing net is fixedly arranged in the second buffer layer, an inner pipe is fixedly arranged on the inner side of the second buffer layer, reinforcing strips are fixedly arranged on the inner wall of the inner pipe at equal intervals in the circumferential direction, the cross-section of the reinforcing strip is arc-shaped, the reinforcing strip and the inner tube are integrally machined and formed, the outer side wall of the outer tube is provided with an anti-corrosion layer, and the inner side wall of the inner tube is provided with a leakage-proof layer.
Preferably, the outer pipe is made of a polyvinyl chloride resin material and a polyimide fiber material in a mixing mode, and the inner pipe and the reinforcing strips are made of a polyvinyl chloride resin material and a polyimide fiber material in a mixing mode.
Preferably, the end of the outer pipe is connected with the end of the inner pipe through welding.
Preferably, the first buffer layer and the supporting block are integrally processed by adopting a styrene butadiene rubber material.
Preferably, the first reinforcing mesh and the second reinforcing mesh are made of glass fiber yarns.
Preferably, the reinforcing layer is made of glass fiber materials.
Preferably, the second buffer layer is made of a styrene butadiene rubber material.
Preferably, the anti-corrosion layer is made of an epoxy resin material, and the anti-leakage layer is made of an epoxy resin material.
In the technical scheme, the utility model provides the following technical effects and advantages:
1. the inner wall of the inner pipe is fixed with the reinforcing strips at equal intervals in the circumferential direction, so that the strength of the inner pipe is improved, and the outer pipe, the inner pipe and the reinforcing strips are all made of polyvinyl chloride resin materials and polyimide fiber materials in a mixing processing mode, so that the double-wall corrugated pipe has good flame retardance, high insulativity and high mechanical strength, and a first buffer layer, a reinforcing layer and a second buffer layer are arranged between the outer pipe and the inner pipe, the wall thickness is increased, the reinforcing layer is made of glass fiber materials, the first reinforcing mesh in the first buffer layer and the second reinforcing mesh in the second buffer layer are made of glass fiber yarns, the strength and the insulating property of the double-wall corrugated pipe are greatly improved, the double-wall corrugated pipe has the advantages of high ring stiffness, high strength, high insulativity, light weight, pressure resistance, high impact strength, strong corrosion resistance, cold resistance, heat resistance and the like, and the service life of the double-wall corrugated pipe is greatly prolonged;
2. the outer wall of the outer pipe is provided with the anti-corrosion layer, the inner wall of the inner pipe is provided with the anti-leakage layer, the anti-corrosion layer and the anti-leakage layer are made of epoxy resin materials, the overall anti-corrosion capability and the insulation performance are greatly improved, the overall aging resistance is effectively improved, the anti-leakage performance of the double-wall corrugated pipe can be effectively improved, the inner surface and the outer surface of the double-wall corrugated pipe are prevented from generating leaks, and water seepage to the outside or water seepage to the inside is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view of an outer tube of the present invention;
FIG. 5 is a schematic view of a first buffer layer according to the present invention.
Description of reference numerals:
the corrugated pipe comprises a double-wall corrugated pipe body 1, an outer pipe 2, wave crests 3, grooves 4, a first buffer layer 5, a support block 6, a first reinforcing mesh 7, a reinforcing layer 8, a second buffer layer 9, a second reinforcing mesh 10, an inner pipe 11, reinforcing strips 12, an anti-corrosion layer 13 and a leakage-proof layer 14.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The utility model provides a high-strength HPVC double-wall corrugated pipe as shown in figures 1-5, which comprises a double-wall corrugated pipe body 1, wherein an outer pipe 2 is arranged on the outer layer of the double-wall corrugated pipe body 1, the outer side wall of the outer pipe 2 is of a wavy structure, wave crests 3 are arranged on the outer side wall of the outer pipe 2 at equal intervals, grooves 4 are arranged on the inner side wall of the outer pipe 2 corresponding to the wave crests 3, a first buffer layer 5 is fixed on the inner wall of the outer pipe 2, supporting blocks 6 are arranged on one side, close to the outer pipe 2, of the first buffer layer 5 at equal intervals, the supporting blocks 6 correspond to the grooves 4, the supporting blocks 6 are nested in the grooves 4, a first reinforcing net 7 is fixedly nested in the first buffer layer 5, the structural strength of the first buffer layer 5 is improved, the anti-pulling performance of the first buffer layer 5 is improved, and a reinforcing layer 8 is fixed on the inner side of the first buffer layer 5, the inboard of enhancement layer 8 is fixed with second buffer layer 9, the inside of second buffer layer 9 is fixed with second reinforcing mesh 10, has improved the structural strength of second buffer layer 9, has improved the anti-pulling performance of second buffer layer 9, the inboard of second buffer layer 9 is fixed with inner tube 11, the inner wall of inner tube 11 is circumferencial direction equidistant fixed with stiffener 12, the cross-section of stiffener 12 sets up to the arc, integrated machine-shaping between stiffener 12 and the inner tube 11, stiffener 12 has improved the structural strength of inner tube 11, the lateral wall of outer tube 2 is provided with anti-corrosion coating 13, the inside wall of inner tube 11 is provided with leak protection layer 14.
Further, in the above technical scheme, the outer pipe 2 is made of a polyvinyl chloride resin material and a polyimide fiber material through mixing processing, the inner pipe 11 and the reinforcing strips 12 are made of a polyvinyl chloride resin material and a polyimide fiber material through mixing processing, polyvinyl chloride has the advantages of flame retardance, high chemical resistance, high mechanical strength and good electrical insulation, the polyimide fiber material has the advantages of high strength and high modulus, high and low temperature resistance, radiation resistance, good thermal stability and good insulation performance, the outer pipe 2 and the inner pipe 11 which are made through mixing are high in strength, aging resistance, good weather resistance, good insulation performance and long service life, and the reinforcing strips 12 improve the structural strength of the inner pipe 11, so that the overall strength and the insulation performance of the double-wall corrugated pipe are improved.
Further, in the above technical scheme, the end of the outer tube 2 is connected with the end of the inner tube 11 through welding, so that the outer tube 2 is tightly connected with the inner tube 11 and is not easy to separate, and the overall structural strength is improved.
Furthermore, in the above technical scheme, the first buffer layer 5 and the supporting block 6 are integrally processed by using styrene butadiene rubber, so that the connection strength between the first buffer layer 5 and the supporting block 6 is improved, the styrene butadiene rubber has excellent heat resistance and aging resistance, and good elasticity, can play a role in buffering, and improves the compressive strength of the double-wall corrugated pipe.
Furthermore, in the above technical scheme, the first reinforcing mesh 7 and the second reinforcing mesh 10 are both made of glass fiber yarns, so that the structural strength of the first reinforcing mesh 7 and the second reinforcing mesh 10 is improved, the first reinforcing mesh 7 and the second reinforcing mesh 10 are not easily damaged, the first reinforcing mesh 7 and the second reinforcing mesh 10 respectively improve the anti-pulling performance of the first buffer layer 5 and the second buffer layer 9, the first buffer layer 5 and the second buffer layer 9 are not easily damaged, and the insulating performance is good.
Furthermore, in the above technical scheme, the reinforcing layer 8 is made of glass fiber material, and the glass fiber has good insulation property, strong heat resistance, good corrosion resistance and high mechanical strength, thereby effectively improving the mechanical strength and corrosion resistance of the double-wall corrugated pipe and prolonging the service life of the double-wall corrugated pipe.
Furthermore, in the above technical scheme, the second buffer layer 9 is made of a styrene butadiene rubber material, and the styrene butadiene rubber has excellent heat resistance and aging resistance, and good elasticity, and can play a role in buffering, thereby improving the compressive strength of the double-wall corrugated pipe.
Furthermore, in the above technical scheme, the anti-corrosion layer 13 is made of an epoxy resin material, the anti-leakage layer 14 is made of an epoxy resin material, the epoxy resin is convenient to cure, strong in adhesive force, low in contractility, stable in chemical property, resistant to mold, good in insulativity, resistant to chemical corrosion, better in oil resistance and solvent resistance, the corrosion resistance of the double-wall corrugated pipe is greatly improved, and the aging resistance of the double-wall corrugated pipe is effectively improved.
The implementation mode is specifically as follows: the double-wall corrugated pipe sequentially comprises an outer pipe 2, a first buffer layer 5, a reinforcing layer 8, a second buffer layer 9 and an inner pipe 11 from outside to inside, reinforcing strips 12 are fixed on the inner wall of the inner pipe 11 at equal intervals in the circumferential direction, the structural strength of the inner pipe 11 is improved, the outer pipe 2, the inner pipe 11 and the reinforcing strips 12 are made of a polyvinyl chloride resin material and a polyimide fiber material in a mixing processing mode, polyvinyl chloride has the advantages of flame retardance, high chemical resistance, high mechanical strength and good electrical insulation, the polyimide fiber material has the advantages of high strength, high modulus, high and low temperature resistance, radiation resistance, good thermal stability and good insulation performance, the outer pipe 2 and the inner pipe 11 which are made of the mixing mode are high in strength, anti-aging, good weather resistance, good insulation performance and long service life, the reinforcing strips 12 improve the structural strength of the inner pipe 11, and therefore the overall strength and the insulation performance of the double-wall corrugated pipe are improved, a first buffer layer 5 and a second buffer layer 9 made of styrene butadiene rubber are arranged between the inner pipe 11 and the outer pipe 2, the wall thickness is increased, a supporting block 6 on the first buffer layer 5 is nested in a groove 4 on the inner wall of the outer pipe 2, the buffer and shock absorption effects can be effectively achieved, the compressive strength of the double-wall corrugated pipe is enhanced, a first reinforcing net 7 is arranged inside the first buffer layer 5, a second reinforcing net 10 is arranged inside the second buffer layer 9, the first reinforcing net 7 and the second reinforcing net 10 are both made of glass fiber yarns, the insulation performance is good, the strength is high, the anti-pulling performance of the first buffer layer 5 and the second buffer layer 9 is improved, the first buffer layer 5 and the second buffer layer 9 are enabled to be difficult to damage, a reinforcing layer 8 made of glass fiber is arranged between the first buffer layer 5 and the second buffer layer 9, reinforcing strips 12 are fixed on the inner wall of the inner pipe 11 at equal intervals in the circumferential direction, the first reinforcing net 7, the second reinforcing net 10, the reinforcing layer 8 and the reinforcing strips 12 are mutually matched to greatly improve the overall strength and the insulating property of the double-wall corrugated pipe, and prevent the corrugated pipe from being easily damaged due to external pressure, so that the double-wall corrugated pipe has good flexibility, light weight, high compressive strength, excellent insulating property and difficult fracture, the service life is prolonged, the outer side wall of the outer pipe 2 is provided with the anti-corrosion layer 13, the inner side wall of the inner pipe 11 is provided with the leakage-proof layer 14, the anti-corrosion layer 13 and the leakage-proof layer 14 are both made of epoxy resin materials, the overall corrosion resistance is greatly improved, the overall aging resistance is effectively improved, the leakage resistance of the double-wall corrugated pipe can be effectively improved, the leakage joints of the inner surface and the outer surface of the double-wall corrugated pipe are prevented from being generated, water seepage to the outside or to the inside is avoided, and the insulating property of the double-wall corrugated pipe is further improved, the embodiment specifically solves the problems of low strength, insufficient external pressure load resistance and easiness in damage in the prior art, so that the use cost is increased.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (8)
1. A high strength HPVC double wall corrugated pipe comprising a double wall corrugated pipe body (1), characterized in that: the outer layer of the double-wall corrugated pipe body (1) is provided with an outer pipe (2), the outer side wall of the outer pipe (2) is of a wavy structure, wave crests (3) are arranged on the outer side wall of the outer pipe (2) at equal intervals, grooves (4) are formed in the outer side wall of the outer pipe (2) corresponding to the wave crests (3), a first buffer layer (5) is fixed on the inner wall of the outer pipe (2), supporting blocks (6) are arranged on one side, close to the outer pipe (2), of the first buffer layer (5) at equal intervals, the supporting blocks (6) correspond to the grooves (4), the supporting blocks (6) are embedded in the grooves (4), a first reinforcing net (7) is fixedly embedded in the first buffer layer (5), a reinforcing layer (8) is fixed on the inner side of the first buffer layer (5), a second buffer layer (9) is fixed on the inner side of the reinforcing layer (8), the inside of second buffer layer (9) is fixed with second reinforcing mesh (10), the inboard of second buffer layer (9) is fixed with inner tube (11), the inner wall of inner tube (11) is circumferencial direction equidistant fixed with stiffener (12), the cross-section of stiffener (12) sets up to the arc, integration machine-shaping between stiffener (12) and inner tube (11), the lateral wall of outer tube (2) is provided with anti-corrosion coating (13), the inside wall of inner tube (11) is provided with leak protection layer (14).
2. A high strength HPVC double wall corrugated pipe as claimed in claim 1, wherein: the outer pipe (2) is made of a polyvinyl chloride resin material and a polyimide fiber material through mixing and processing, and the inner pipe (11) and the reinforcing strips (12) are made of a polyvinyl chloride resin material and a polyimide fiber material through mixing and processing.
3. A high strength HPVC double wall corrugated pipe as claimed in claim 1, wherein: the end of the outer pipe (2) is connected with the end of the inner pipe (11) through welding.
4. A high strength HPVC double wall corrugated pipe as claimed in claim 1, wherein: the first buffer layer (5) and the supporting block (6) are integrally processed by adopting a styrene butadiene rubber material.
5. A high strength HPVC double wall corrugated pipe as claimed in claim 1, wherein: the first reinforcing mesh (7) and the second reinforcing mesh (10) are made of glass fiber yarns.
6. A high strength HPVC double wall corrugated pipe as claimed in claim 1, wherein: the reinforcing layer (8) is made of glass fiber materials.
7. A high strength HPVC double wall corrugated pipe as claimed in claim 1, wherein: the second buffer layer (9) is made of styrene butadiene rubber.
8. A high strength HPVC double wall corrugated pipe as claimed in claim 1, wherein: the anti-corrosion layer (13) is made of epoxy resin materials in a processing mode, and the anti-leakage layer (14) is made of epoxy resin materials in a processing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121391886.9U CN215410598U (en) | 2021-06-22 | 2021-06-22 | High-strength HPVC double-wall corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121391886.9U CN215410598U (en) | 2021-06-22 | 2021-06-22 | High-strength HPVC double-wall corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215410598U true CN215410598U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121391886.9U Active CN215410598U (en) | 2021-06-22 | 2021-06-22 | High-strength HPVC double-wall corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215410598U (en) |
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2021
- 2021-06-22 CN CN202121391886.9U patent/CN215410598U/en active Active
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