CN210153352U - Damping type multilayer composite pipeline - Google Patents
Damping type multilayer composite pipeline Download PDFInfo
- Publication number
- CN210153352U CN210153352U CN201920503096.1U CN201920503096U CN210153352U CN 210153352 U CN210153352 U CN 210153352U CN 201920503096 U CN201920503096 U CN 201920503096U CN 210153352 U CN210153352 U CN 210153352U
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- pipe
- pvc
- stainless steel
- multilayer composite
- strip
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Abstract
The utility model discloses a damping type multilayer composite pipe, including inlayer, sandwich layer and skin, wherein, the inlayer is PVC extrusion forming pipe, and the sandwich layer is corrugated stainless steel pipe, and the skin is three layer construction's composite strip, bonds through the epoxy adhesive between inlayer, sandwich layer and the skin, and outer spiral winding is in the outside of sandwich layer, three layer construction's composite strip includes from interior to exterior stacks gradually the first PVC strip, glass fiber impregnated cloth and the second PVC strip that bond, and the cavity intussuseption that encloses between corrugated stainless steel pipe and PVC extrusion forming pipe is filled with the thermoplastic polyurethane resin of microfoaming. The damping type multilayer composite pipeline adopts the corrugated stainless steel pipe as a core layer structure, the corrugated structure has certain damping performance, and a cavity enclosed between the corrugated stainless steel pipe and the PVC extrusion molding pipe is filled with micro-foamed thermoplastic polyurethane resin, so that the impact resistance function of the pipe is further improved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a tubular product field, concretely relates to damping type multilayer composite pipe.
[ background of the invention ]
The winding pipe is a pipe formed by winding and welding resin materials such as High Density Polyethylene (HDPE), polyvinyl chloride (PVC) and the like serving as raw materials, and is mainly divided into a large-diameter winding pipe, a double-wall winding pipe, a hollow winding pipe and the like, the resin materials such as the High Density Polyethylene (HDPE), the polyvinyl chloride (PVC) and the like not only ensure the product forming process and the product quality due to the excellent fusion welding performance of the resin materials, but also provide various reliable modes for construction connection, such as electrothermal fusion welding, thermal contraction connection and the like, and meanwhile, the resin materials are an important reason for seldom occurring leakage conditions, and just because of the reason, the pipe has the unique environment-friendly function which other pipes do not have, so that the pipe is widely applied to the fields of drainage pipelines, conveying pipelines, electric wires and cables and the like.
Although the resin material has many advantages of light weight, easy molding and the like, insufficient strength and rigidity are important factors hindering the application of the resin material, especially the toughness and the rigidity of the pipe cannot be considered at the same time, the pipeline in the prior art is usually reinforced by adopting a fiber reinforced material, however, the impact resistance is poor, and the cracking phenomenon of the pipe body is easy to occur under the action of external force. Therefore, how to provide a pipe with high strength and excellent impact resistance is a technical problem to be solved in the field.
[ Utility model ] content
An object of the utility model is to provide an intensity is high, and has excellent impact resistance's pipeline.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a damping type multilayer composite pipe, includes inlayer, sandwich layer and skin, wherein, the inlayer is PVC extrusion moulding pipe, and the sandwich layer is corrugated stainless steel pipe, and the skin is three layer construction's composite strip, bonds through the epoxy adhesive between inlayer, sandwich layer and the skin, and outer spiral winding is in the outside of sandwich layer, three layer construction's composite strip includes from interior to exterior stacks gradually the first PVC strip, glass fiber impregnated cloth and the second PVC strip that bonds, and the cavity intussuseption that encloses is filled with the thermoplastic polyurethane resin of little foaming between corrugated stainless steel pipe and PVC extrusion moulding pipe.
Preferably, the first PVC tape, the glass fiber impregnated cloth, and the second PVC tape are bonded by a polyurethane adhesive.
Preferably, the glass fiber-impregnated cloth is a phenolic resin-impregnated glass fiber cloth.
Preferably, the phenolic resin contains magnesium hydroxide powder or aluminum hydroxide powder.
Preferably, the micro-foamed thermoplastic polyurethane resin contains styrene-butadiene-styrene resin particles therein.
Preferably, the micro-foamed thermoplastic polyurethane resin is bonded to the PVC extrusion molding tube by a polyurethane adhesive.
Preferably, the micro-foamed thermoplastic polyurethane resin is bonded with the corrugated stainless steel pipe through an epoxy resin adhesive.
The utility model discloses a damping type multilayer composite pipe adopts corrugated stainless steel pipe as sandwich layer structure, and this corrugated structure itself has certain damping performance, and, still packs the thermoplastic polyurethane resin of little foaming in the cavity that encloses between corrugated stainless steel pipe and the PVC extrusion moulding pipe, has further improved the shock resistance function of tubular product, and the heat-proof quality of tubular product is further improved simultaneously; in addition, the outer layer of the composite pipeline contains glass fiber impregnated cloth, so that the strength and rigidity of the pipe are enhanced, and the phenolic resin for impregnation contains magnesium hydroxide powder or aluminum hydroxide powder as a flame retardant, so that the fireproof performance of the pipe is improved.
[ description of the drawings ]
Fig. 1 is a schematic cross-sectional view of the damping type multilayer composite pipeline of the present invention.
Description of reference numerals: 1-inner layer, 2-core layer, 3-outer layer, 4-first PVC strip, 5-glass fiber impregnated cloth, 6-second PVC strip, and 7-micro-foamed thermoplastic polyurethane resin.
[ detailed description ] embodiments
The following examples are further to explain and supplement the present invention, and do not constitute any limitation to the present invention.
Example 1
As shown in fig. 1, the damping type multilayer composite pipe of the present invention comprises an inner layer 1, a core layer 2 and an outer layer 3, wherein, the inner layer 1 is a PVC extrusion molding pipe, the core layer 2 is a corrugated stainless steel pipe, the outer layer 3 is a composite strip material with a three-layer structure, the inner layer 1, the core layer 2 and the outer layer 3 are bonded by epoxy resin adhesive, the outer layer 3 is spirally wound on the outer side of the core layer 2, the composite strip with the three-layer structure comprises a first PVC strip 4, a glass fiber impregnated cloth 5 and a second PVC strip 6 which are sequentially laminated and bonded from inside to outside through a polyurethane adhesive, a cavity enclosed between the corrugated stainless steel pipe and the PVC extrusion molding pipe is filled with micro-foamed thermoplastic polyurethane resin 7, the glass fiber impregnated cloth is glass fiber cloth impregnated by phenolic resin, the phenolic resin contains aluminum hydroxide powder, and the micro-foamed thermoplastic polyurethane resin 7 contains styrene-butadiene-styrene resin particles; the micro-foamed thermoplastic polyurethane resin 7 is bonded with the PVC extrusion molding pipe through a polyurethane adhesive; the micro-foamed thermoplastic polyurethane resin 7 is bonded to the corrugated stainless steel pipe by an epoxy resin adhesive.
The damping type multilayer composite pipeline adopts the corrugated stainless steel pipe as a core layer structure, the corrugated structure has certain damping performance, and a cavity enclosed between the corrugated stainless steel pipe and the PVC extrusion forming pipe is filled with micro-foamed thermoplastic polyurethane resin, so that the shock resistance function of the pipe is further improved, and meanwhile, the heat insulation performance of the pipe is further improved; in addition, the outer layer of the composite pipeline contains glass fiber impregnated cloth, so that the strength and rigidity of the pipe are enhanced.
Although the present invention has been described in connection with the above embodiments, the scope of the present invention is not limited thereto, and modifications, replacements, and the like to the above members are all within the scope of the claims of the present invention without departing from the concept of the present invention.
Claims (5)
1. The utility model provides a damping type multilayer composite pipe, includes inlayer, sandwich layer and skin, its characterized in that, the inlayer is PVC extrusion moulding pipe, the sandwich layer is corrugated stainless steel pipe, the skin is three layer construction's composite strip, bond through the epoxy adhesive between inlayer, sandwich layer and the skin, outer spiral winding is in the outside of sandwich layer, three layer construction's composite strip includes from interior to exterior stacks gradually the first PVC strip, glass fiber impregnated cloth and the second PVC strip that bonds corrugated stainless steel pipe with the cavity intussuseption that encloses between the PVC extrusion moulding pipe is filled with the thermoplastic polyurethane resin of foaming a little.
2. The damped multilayer composite conduit according to claim 1 wherein said first PVC tape, fiberglass impregnated cloth and second PVC tape are bonded by a polyurethane adhesive.
3. The damped multilayer composite conduit according to claim 2 wherein said fiberglass cloth impregnated is phenolic resin impregnated fiberglass cloth.
4. The damped multilayer composite conduit according to any one of claims 1 to 3, wherein said microfoamed thermoplastic polyurethane resin is bonded to said PVC extruded tube by a polyurethane adhesive.
5. The damped multilayer composite conduit according to any one of claims 1 to 3, wherein said micro-foamed thermoplastic polyurethane resin is bonded to said corrugated stainless steel tube by an epoxy adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920503096.1U CN210153352U (en) | 2019-04-12 | 2019-04-12 | Damping type multilayer composite pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920503096.1U CN210153352U (en) | 2019-04-12 | 2019-04-12 | Damping type multilayer composite pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210153352U true CN210153352U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920503096.1U Expired - Fee Related CN210153352U (en) | 2019-04-12 | 2019-04-12 | Damping type multilayer composite pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210153352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440014A (en) * | 2020-11-04 | 2022-05-06 | 中国石油化工股份有限公司 | Heat-insulation and heat-preservation nonmetal composite pipe |
-
2019
- 2019-04-12 CN CN201920503096.1U patent/CN210153352U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440014A (en) * | 2020-11-04 | 2022-05-06 | 中国石油化工股份有限公司 | Heat-insulation and heat-preservation nonmetal composite pipe |
| CN114440014B (en) * | 2020-11-04 | 2024-03-29 | 中国石油化工股份有限公司 | Thermal-insulated heat preservation nonmetallic composite pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 |