CN201262286Y - High-foaming helical silencing plastic composite pipe - Google Patents
High-foaming helical silencing plastic composite pipe Download PDFInfo
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- CN201262286Y CN201262286Y CNU2008200646748U CN200820064674U CN201262286Y CN 201262286 Y CN201262286 Y CN 201262286Y CN U2008200646748 U CNU2008200646748 U CN U2008200646748U CN 200820064674 U CN200820064674 U CN 200820064674U CN 201262286 Y CN201262286 Y CN 201262286Y
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Abstract
The utility model relates to a plastic composite tube, in particular to a high foaming spiral noise-damping plastic composite tube. The composite tube is provided with an outer plastic tube body and characterized in that an inner layer plastic tube body is coaxially arranged in the outer plastic tube body; the inner wall of the outer plastic tube body is fixedly connected with the outer wall of the inner layer plastic tube body through at least three reinforcing ribs; at least three spiral ribs arranged coaxially and spirally along the inner layer plastic tube body are fixedly arranged on the inner wall of the inner layer plastic tube body; a material accommodating cavity is formed between the inner wall of the outer plastic tube body and the outer wall of the inner layer plastic tube body; and the material accommodating cavity is filled with a high foaming plastic material and forms a high foaming plastic material layer to coat the outer wall of the inner layer plastic tube body. The product fully utilizes the excellent sound-absorbing and noise-damping performance of high foaming plastic and has the advantage of obvious noise reduction and the effects of heat insulation performance and energy conservation; and at the same time, the tube product has excellent impact-resistant and shock-resistant performance. The plastic composite tube with the advantages of wide application field, simple manufacturing process and easy production is suitable for mass industrial production.
Description
Technical field
The utility model relates to a kind of plastic composite pipe, especially a kind of high foaming helical silencing plastic composite pipe.
Background technique
Existing plastic pipe is swift and violent at China's development speed, and country also supports the development of plastic pipe energetically, and policy is all formulated in each province and city, expressly provides newly-built and reconstruct in all kinds of buildings and promote the use of plastic tube, eliminates high energy consumption products such as cast iron tube.
The plastic pipe that is used for construction drainage at present mainly is the PVC solid wall pipe, and defening effect is poor, and draining noise is big.Along with people's growth in the living standard, also more and more higher to the quality requirement of environment and structural material, energy-saving and environmental protection and hommization are the new demands to chemical building material, and the user requires corresponding also more and more concern to the drainage pipe sound insulation and noise reduction.Existing manufacturer has also developed the demand that several prods such as hollow-wall drainpipe, empty wall volute and foamed sandwich pipe adapt to the user successively, and the said goods has been eliminated drainage noise to a certain extent, but effect is all not ideal enough.As: Chinese utility model patent ZL00252734.0 discloses a kind of hard PVC core layer foaming internal spiral tubing, this product is by cylindrical circular outer real parietal layer, the long strip internal spiral muscle that middle foaming layer and interior real parietal layer and cross section are equilateral triangle constitutes, the inner side surface of outer real parietal layer connects middle foaming layer, middle foaming layer is made up of the micropore balloon-shaped structure, its another side is connected with the outer side surface of interior real parietal layer, the inner side surface of interior real parietal layer is connected with 6 sides that are the internal spiral muscle of equidistant and spiral arrangement on its circumferencial direction, it has adopted multi-layer co-extruded technology, internal layer is the low foaming layer of PVC, has certain sound insulation, heat-shielding performance, but because be subjected to multi-layer co-extruded technical limitations, foaming layer can only be low foaming layer, so noise reduction is also not obvious, in addition, adopt complex apparatus and technology in the multi-layer co-extruded Technology Need production process, make fabricating cost high.Therefore, there is defective in existing plastic pipe, need improve.
The model utility content
The purpose of this utility model is to improve on the structure of existing plastic pipe, a kind of high performance noise reduction is provided, effectively eliminates that drainage noise, preparation process are simple, low production cost and can improve the height foaming helical silencing plastic composite pipe of people's living environment.
A kind of high foaming helical silencing plastic composite pipe of the present utility model has outer plastic tube body, it is characterized in that the coaxial inner plastic body that is provided with in the described outer plastic tube body, fixedly connected by at least three stiffening ribs between described outer plastic tube body inwall and the inner plastic tube wall, described inner plastic body inwall is set with at least three along the spiral bar of inner layer plastic tube axon to helical arrangement, have the material receiving cavity between described outer plastic tube body inwall and the inner plastic tube wall, in described material receiving cavity, be filled with high expanded plastic material and constitute the height foaming plastic material layer that the inner plastic tube wall is wrapped up.
Fixedly connected by at least three stiffening ribs between outer plastic tube body inwall described in the utility model and the inner plastic tube wall, be meant that promptly described stiffening rib can be for more than three or three, both can be four stiffening ribs, also can be five or six or seven or eight stiffening ribs or the like, make for convenience, also, recommend to use six stiffening ribs in order to play best stiffening effect and to consider from the fabricating cost aspect.The thickness of described stiffening rib can be between 2～8mm.
The plastic tube body inwall is with at least three spiral bars in described in the utility model, be meant that promptly described spiral bar can be for more than three or three, both can be four spiral bars, also can be five or six or seven or eight spiral bars or the like, make for convenience, also, recommend to use eight spiral bars in order to play best erasure effect and to consider from the fabricating cost aspect.Described spiral bar is a protruding structure, and shape can be triangle, rectangle or circular arc, and height of projection is between the 0.5-5mm.
Outer plastic tube body described in the utility model, inner plastic body, spiral bar and stiffening rib all can adopt rigid polyvinyl chloride to make, and described rigid polyvinyl chloride is commercially available U-PVC material.High foaming plastic material layer can adopt one or more formations of foamed plastics such as PVC (PVC), polyurethane (PU), polystyrene (PS), polyethylene (PE), polypropylene (PP), phenolic aldehyde, epoxy and unsaturated polyester described in the utility model.With the high expandable plastic of polyurethane is that the height foaming plastic material layer that example is made is the high foaming of polyurethane plastic material layer.
A kind of high its external diameter of foaming helical silencing plastic composite pipe of the present utility model can be between Φ 50-250mm, accordingly, outer plastic tube body thickness can be between 2～8mm, and the inner layer plastic tube body thickness can be between 1～5mm, and high foaming plastic material layer thickness can be between 5～10mm.
A kind of high foaming helical silencing plastic composite pipe of the present utility model can be made by following several modes: as pass through plastic extruder, extrude plastic tube inside and outside the U-PVC with the mould of design is disposable, spiral bar and stiffening rib, described outer plastic tube body, the inner plastic body, spiral bar and stiffening rib are connected as a single entity, then with prefabricated high expanded plastic material, be PVC (PVC), polyurethane (PU), polystyrene (PS), polyethylene (PE), polypropylene (PP), phenolic aldehyde, one or more of foamed plastics such as epoxy and unsaturated polyester, fully in the closely knit space that is filled between the stiffening rib, obtain this plastic composite pipe product.Secondly, can pass through plastic extruder, with disposable plastic tube inside and outside the U-PVC, spiral bar and the stiffening rib extruded of the mould of design, described outer plastic tube body, inner plastic body, spiral bar and stiffening rib are connected as a single entity, then by the injection molding machine device, to be used for the space of reaction foaming monomer injection stiffening ribs such as polyurethane, expandable plastic foam-in-places such as polyurethane are full of the space, obtain this plastic composite pipe product.In addition, also can pass through plastic extruder, with the design mould extrude respectively U-PVC in, outer plastic tube, wherein stiffening rib is attached to outer inside of plastic tubes, spiral bar is attached to interior inside of plastic tubes extruding and moulding, described outer plastic tube body and stiffening rib are connected as a single entity, then interior plastic tube is inserted in the outer plastic tube, again with prefabricated high expanded plastic material, be PVC (PVC), polyurethane (PU), polystyrene (PS), polyethylene (PE), polypropylene (PP), phenolic aldehyde, one or more of foamed plastics such as epoxy and unsaturated polyester, fully in the closely knit space that is filled between the stiffening rib, obtain this plastic composite pipe product.Certainly, can also pass through plastic extruder, extrude the inside and outside plastic tube of U-PVC respectively with the mould of design, wherein stiffening rib is attached to outer inside of plastic tubes, and spiral bar is attached to interior inside of plastic tubes extruding and moulding, and described outer plastic tube body and stiffening rib are connected as a single entity, then interior plastic tube is inserted in the outer plastic tube, to be used for the space of reaction foaming monomer injection stiffening ribs such as polyurethane, expandable plastic foam-in-places such as polyurethane are full of the space, obtain this plastic composite pipe product.
A kind of high foaming helical silencing plastic composite pipe of the present utility model is conceived so substantially and got: in the construction drainage process, the collision of air collision, water hammer, current and pipeline in current and the pipeline etc. all can produce sound.The propagation of sound is by medium, if the solid wall pipe road, this noise passes by the transmission of individual layer tube wall very easily.And the utility model product is a three-decker, and double-deck real wall construction can effectively weaken propagation medium, increases the reflection and the absorption loss of noise, plays the effect of sound insulation and noise reduction.Middle high foaming layer can be eliminated the standing wave resonance between the two real walls, improves soundproof effect; The high expandable plastic of what is more important is typical porous acoustical material, and it combines good macromolecular material performance and the porous material sound absorption function and the damping sound absorption function of plastics, has good sound absorption, performance muffler.The spiral bar structure of inwall can make current under the inner-walls of duct spiral flow, reduces the collision of current and air, has fundamentally reduced the generation of noise.The utility model is not subjected to multi-layer co-extruded technical limitations, the high foaming layer that foaming layer can adopt secondary operations to make, so noise reduction is very obvious, in addition, the utility model does not need to adopt in the production process complex apparatus and technology, make fabricating cost significantly reduce, help large-scale industrial production.
Compared with the aforementioned existing similar products, a kind of high foaming helical silencing plastic composite pipe of the present utility model, sound absorption, the performance muffler of high expandable plastic excellence have been made full use of, compare with existing similar tubing, it is with the obvious advantage to reduce noise result, but also have heat insulation, effect of saving energy, meet the policy of national energy-saving and emission-reduction; The shock resistance of tubing simultaneously, shockproof properties are given prominence to.Therefore application is wide, can replace the existing sound insulation and noise reduction tubing in market, has vast market prospect.The utility model manufacturing process is simple, produces easily, is fit to large-scale industrial production.
Content of the present utility model further illustrates with the following Examples, but content of the present utility model is not limited only to content related among the embodiment.
Description of drawings
Fig. 1 is the cross-sectional view of a kind of high foaming helical silencing plastic composite pipe among the embodiment 1.
Fig. 2 is the structural representation that removes among Fig. 1 behind the high foaming plastic material layer.
Fig. 3 is the cross-sectional view of a kind of high foaming helical silencing plastic composite pipe among the embodiment 2.
Fig. 4 is the structural representation that removes among Fig. 3 behind the high foaming plastic material layer.
Fig. 5 is the structural representation that removes among Fig. 4 behind the inner plastic body.
Fig. 6 is interior plastic tube body structural representation.
Embodiment
Embodiment 1: shown in Fig. 1～2, a kind of high foaming helical silencing plastic composite pipe in the present embodiment has outer plastic tube body 1, it is characterized in that the coaxial inner plastic body 2 that is provided with in the described outer plastic tube body 1, fixedly connected by six stiffening ribs 3 between described outer plastic tube body 1 inwall and inner plastic body 2 outer walls, described inner plastic body inwall is set with eight along the spiral bar 5 of inner layer plastic tube axon to helical arrangement, have material receiving cavity 6 between described outer plastic tube body 1 inwall and inner plastic body 2 outer walls, in described material receiving cavity 6, be filled with high expanded plastic material and constitute the height foaming plastic material layer 4 that inner plastic body 2 outer walls are wrapped up.Outer plastic tube body 1 described in the present embodiment is the outer plastic tube body of rigid polyvinyl chloride, described inner plastic body 2 is a rigid polyvinyl chloride inner plastic body, described stiffening rib 3 is the rigid polyvinyl chloride stiffening rib, described spiral bar 5 is the rigid polyvinyl chloride spiral bar, and described high foaming plastic material layer 4 is the high foaming of a polyurethane plastic material layer.Outer plastic tube body 1, inner plastic body 2, stiffening rib 3 and spiral bar 5 are connected as a single entity described in the present embodiment.
Embodiment 2: shown in Fig. 3～6, present embodiment is similar to embodiment 1, and different is that 1 of outer plastic tube body described in the present embodiment and stiffening rib 3 are connected as a single entity, and interior plastic tube body 2 and spiral bar 5 are connected as a single entity.
Claims (4)
1, a kind of high foaming helical silencing plastic composite pipe, has outer plastic tube body, it is characterized in that the coaxial inner plastic body that is provided with in the described outer plastic tube body, fixedly connected by at least three stiffening ribs between described outer plastic tube body inwall and the inner plastic tube wall, described inner plastic body inwall is set with at least three along the spiral bar of inner layer plastic tube axon to helical arrangement, have the material receiving cavity between described outer plastic tube body inwall and the inner plastic tube wall, in described material receiving cavity, be filled with high expanded plastic material and constitute the height foaming plastic material layer that the inner plastic tube wall is wrapped up.
2, a kind of high foaming helical silencing plastic composite pipe as claimed in claim 1 is characterized in that fixedlying connected by six stiffening ribs between described outer plastic tube body inwall and the inner plastic tube wall.
3, a kind of high foaming helical silencing plastic composite pipe as claimed in claim 1 is characterized in that described inner plastic body inwall is with eight spiral bars.
4, a kind of high foaming helical silencing plastic composite pipe as claimed in claim 1 or 2, it is characterized in that described outer plastic tube body is the outer plastic tube body of rigid polyvinyl chloride, described inner plastic body is a rigid polyvinyl chloride inner plastic body, described stiffening rib is the rigid polyvinyl chloride stiffening rib, described spiral bar is the rigid polyvinyl chloride spiral bar, and described high foaming plastic material layer is the high foaming of a polyurethane plastic material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200646748U CN201262286Y (en) | 2008-08-12 | 2008-08-12 | High-foaming helical silencing plastic composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200646748U CN201262286Y (en) | 2008-08-12 | 2008-08-12 | High-foaming helical silencing plastic composite pipe |
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| Publication Number | Publication Date |
|---|---|
| CN201262286Y true CN201262286Y (en) | 2009-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200646748U Expired - Fee Related CN201262286Y (en) | 2008-08-12 | 2008-08-12 | High-foaming helical silencing plastic composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201262286Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313084A (en) * | 2011-09-02 | 2012-01-11 | 王井洋 | Three-layer noise reduction drainage pipe and manufacture method thereof |
| CN105299334A (en) * | 2015-12-08 | 2016-02-03 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Insulation pipe containing high-density polyethylene reinforced bracket and manufacturing method |
| CN105351658A (en) * | 2015-12-08 | 2016-02-24 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Thermal-insulation pipe elbow with high-density polyethylene reinforced bracket and manufacturing method for thermal-insulation pipe elbow |
| CN106905689A (en) * | 2017-03-27 | 2017-06-30 | 芜湖锐华暖通科技有限公司 | A kind of MULTILAYER COMPOSITE mute drain pipe fitting |
| CN107906269A (en) * | 2017-11-15 | 2018-04-13 | 广东深联实业有限公司 | Single rib helix tube |
| CN108731242A (en) * | 2018-07-13 | 2018-11-02 | 杨博 | Jacket structure and its implementation |
| CN110395378A (en) * | 2019-08-07 | 2019-11-01 | 浙江海洋大学 | A kind of high-efficient ventilation construction package applied to ships and light boats |
| CN114484091A (en) * | 2022-01-22 | 2022-05-13 | 绍兴高新技术产业开发区迪荡新城投资发展有限公司 | High strength resistance to compression road administration drainage engineering is with construction tubular product |
-
2008
- 2008-08-12 CN CNU2008200646748U patent/CN201262286Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313084A (en) * | 2011-09-02 | 2012-01-11 | 王井洋 | Three-layer noise reduction drainage pipe and manufacture method thereof |
| CN105299334A (en) * | 2015-12-08 | 2016-02-03 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Insulation pipe containing high-density polyethylene reinforced bracket and manufacturing method |
| CN105351658A (en) * | 2015-12-08 | 2016-02-24 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Thermal-insulation pipe elbow with high-density polyethylene reinforced bracket and manufacturing method for thermal-insulation pipe elbow |
| CN106905689A (en) * | 2017-03-27 | 2017-06-30 | 芜湖锐华暖通科技有限公司 | A kind of MULTILAYER COMPOSITE mute drain pipe fitting |
| CN107906269A (en) * | 2017-11-15 | 2018-04-13 | 广东深联实业有限公司 | Single rib helix tube |
| CN108731242A (en) * | 2018-07-13 | 2018-11-02 | 杨博 | Jacket structure and its implementation |
| CN108731242B (en) * | 2018-07-13 | 2023-09-01 | 杨一博 | Coat structure and implementation method thereof |
| CN110395378A (en) * | 2019-08-07 | 2019-11-01 | 浙江海洋大学 | A kind of high-efficient ventilation construction package applied to ships and light boats |
| CN114484091A (en) * | 2022-01-22 | 2022-05-13 | 绍兴高新技术产业开发区迪荡新城投资发展有限公司 | High strength resistance to compression road administration drainage engineering is with construction tubular product |
| CN114484091B (en) * | 2022-01-22 | 2024-04-05 | 绍兴高新技术产业开发区迪荡新城投资发展有限公司 | Construction pipe for high-strength compression-resistant road administration drainage engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Kangtai Plastic Science & Technology Group Co., Ltd. Assignor: Lin Yunqing Contract record no.: 2010510000028 Denomination of utility model: High-foaming helical silencing plastic composite pipe Granted publication date: 20090624 License type: Exclusive License Record date: 20100604 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 Termination date: 20120812 |