CN203348760U - Sound attenuation spiral water draining pipe - Google Patents
Sound attenuation spiral water draining pipe Download PDFInfo
- Publication number
- CN203348760U CN203348760U CN 201320263778 CN201320263778U CN203348760U CN 203348760 U CN203348760 U CN 203348760U CN 201320263778 CN201320263778 CN 201320263778 CN 201320263778 U CN201320263778 U CN 201320263778U CN 203348760 U CN203348760 U CN 203348760U
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- Prior art keywords
- waste pipe
- noise reduction
- spiral
- reduction spiral
- spiral waste
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Abstract
The utility model provides a sound attenuation spiral water draining pipe which is characterized by comprising an outer layer and an inner layer which has smoothness and flexibility. Foamed polypropylene materials are filled between the outer layer and the inner layer.
Description
Technical field
The utility model relates to a kind of waste pipe, especially relates to a kind of PP without negative pressure noise reduction spiral waste pipe.
Background technique
At present, China is most of plastic tube that uses in pipeline for building field, and applying maximum is the real wall waste pipe of PVC.In order to reduce the impact of draining in-pipe flow noise, the plastic tubes such as PVC foamed sandwich pipe, PVC spiral inner wall pipe have been developed successively.But it is not obvious that these tubing reduce noise result, only reduced the 2-3 decibel, can't fundamentally meet the noise reduction of plastic drain-pipe, be mainly can not solve central drainage to cause water blocking to produce the problem of negative pressure.As everyone knows, the pipeline noise is to be combined by pneumatic sound transmission and admittedly moving sound transmission.May be interpreted as: be full of air in the construction drainage pipeline, during draining, existingly take the sound wave transmission that air is medium, have again because of water and solid impurity flows and tube wall is clashed into and causes the formed noise of pipe vibrations.
The model utility content
Can not effectively reduce draining and cross water blocking (negative pressure) that pipeline in title produces and the deficiency of noise in order better to overcome and to solve existing waste pipe, the utility model provides a kind of noise reduction spiral waste pipe, the internal layer that comprises skin, has smooth and ductility wherein is filled with expanded polypropylene material between described skin and described internal layer.This noise reduction spiral waste pipe not only can effectively reduce noise, increases water displacement and do not produce water blocking (without negative pressure), and has and be convenient to install, the characteristics of, long service life strong without negative pressure, sound-proofing.。
Preferably, there is the protruding spiral bar distributed equably along its inwall on described internal layer, and the inwall continuity along described internal layer with certain interval curve spiral.
Preferably, described protruding spiral bar shape triangular in shape.
Preferably, the right-handed thread lift angle of described protruding spiral bar is less than or equal to 73 °.
Preferably, the inwall of described internal layer has 6～8 described protruding spiral bars.
Preferably, described noise reduction spiral waste pipe also has bellmouth, wherein, in described bellmouth, rubber seal is installed, thereby realizes flexibly connecting between described noise reduction spiral waste pipe or between described noise reduction spiral waste pipe and other pipe fitting.
Preferably, described noise reduction spiral waste pipe does not have bellmouth, between wherein said noise reduction spiral waste pipe or between described noise reduction spiral waste pipe and other pipe fitting, with rubber sleeve, seals.
Preferably, described noise reduction spiral waste pipe one end is equipped with rubber seal.
The utlity model has simple and reasonable, install simple, the advantage of successful.Can also require to manufacture according to difference the model utility product of different colours.
The utlity model has but be not limited to following technique effect:
1. above-mentioned noise reduction spiral waste pipe has without negative pressure, super-silent function, and has greatly improved drainage capacity, and inwall has the water conservancy diversion screw stud, non-scaling, and current are unimpeded, be difficult for blocking.
2. above-mentioned noise reduction spiral waste pipe can not have CONCENTRIC REDUCER, there is no dividing of joint socket, is all that flat mouth is joined, the rubber sleeve sealing, and pipeline, with how long how long cutting out, can be saved tubing, beautiful shape, its standpipe water passing capacity, and be easy to this tubing of assembling replacing pipeline.
Above-mentioned noise reduction spiral waste pipe also have that intensity is high, drainage noise is low, fireproof performance is strong, it is aging to be difficult for, do not subside, the advantage such as long service life, and there is good anti-acoustic capability and decompression.
4. above-mentioned noise reduction spiral waste pipe can reduce the spiral hush pipe of drainage noise, is market by environmental protection, the building material promoted, makes and saved easily a special-purpose assisted ventilation standpipe in tall building.
5. the connection between above-mentioned noise reduction spiral waste pipe pipeline adopts rubber seal, can guarantee that pipe end has certain flexible scope, use this joint rear profile tube not need separately to establish slip joint, and can reduce the current that drainage noise soil stack high speed falls and bump with the lateral intake current of horizontal arm, when adding when sewage falls entrapped air, having again bubble to separate from water can generation pipeline noise.
The accompanying drawing explanation
The cross sectional representation that Fig. 1 is the waste pipe that relates to of the utility model mode of execution;
The cut-away section schematic diagram that Fig. 2 is the waste pipe that relates to of the utility model mode of execution.
Embodiment
Below illustrated embodiment is set forth this model utility with reference to the accompanying drawings.The related waste pipe of the utility model mode of execution is that a kind of PP is without negative pressure noise reduction spiral waste pipe, the refluence effect that the spiral bar of its ductility by internal layer and outer field PP material (polypropylene material) and impact resistance and internal layer produces reduces its vibrations fluctuation, plays good noise reduction.
The cross sectional representation that Fig. 1 is the waste pipe that relates to of the utility model mode of execution, the cut-away section schematic diagram that Fig. 2 is the waste pipe that relates to of the utility model mode of execution.As shown in Fig. 1～2, the waste pipe that the utility model mode of execution relates to is the cylinder type hollow plastic tube, comprise that protection is outer 1, internal layer 2 and above-mentioned outer 1 and above-mentioned internal layer 2 between mesosphere 3.Wherein, in above-mentioned protection outer 1 and above-mentioned internal layer 2, can be made by smooth and ductility PP material, between above-mentioned protection outer 1 and above-mentioned internal layer 2, be filled with foaming PP material (polypropylene material) as above-mentioned mesosphere 3.And, increasing protruding spiral bar 4 at the inwall of above-mentioned internal layer 2, above-mentioned protruding spiral bar 4 distributes equably along the inwall of above-mentioned internal layer 2, and the inwall continuity along above-mentioned internal layer 2 with certain interval curve spiral, and the rotation state that forms water while making the pipeline water flowing flows.The axis of above-mentioned protruding spiral bar 4 spiral bars and above-mentioned waste pipe is certain angle.Above-mentioned protruding spiral bar 4 is one-time formed with the inwall of above-mentioned internal layer 2, and shape triangular in shape.Preferably, the right-handed thread lift angle of above-mentioned protruding spiral bar 4 is α≤73 °.
In the above-described embodiment, the inner wall increasing by above-mentioned internal layer 2 adds above-mentioned protruding spiral bar 4, thereby make it to the current in above-mentioned waste pipe, play guide functions, has reduced the noise that current produce in above-mentioned waste pipe.
In the above-described embodiment, due to the above-mentioned protruding spiral bar 4 that has adopted shape triangular in shape, further improved the ventilation capacity of waste pipe, thereby eliminated further air pressure resistance when current fall, current form stable and closely knit current along the discharge pipe line inwall, and then have greatly improved water passing capacity.And, because the above-mentioned protruding spiral bar 4 that has adopted shape triangular in shape has been realized the stable of pressure in the system, make the safety in utilization of waste pipe to be able to larger raising.
In the above-described embodiment, can adopt the above-mentioned protruding spiral bar 4 of 6～8, be preferably and adopt 6 above-mentioned protruding spiral bars 4.
In the above-described embodiment, above-mentioned internal layer 2 is made by smooth polypropylene (PP material), thereby makes the smooth dirt not easy to hang of internal layer, drainage performance good, also has excellent heat resistance and chemical resistance simultaneously.
In the above-described embodiment, but mesosphere 3 can adopt the viscoelastic material of sound insulation, damping and sound absorption, and can form the reflection multilayer interface, thereby prevents that sound wave from spreading out of.
In the above-described embodiment, above-mentioned waste pipe also has bellmouth (without diagram), in above-mentioned bellmouth, Uniting is installed rubber seal, thus realize between above-mentioned waste pipe or above-mentioned waste pipe and other pipe fitting between flexibly connect, thereby reduced, shake along the tube wall transmission.
In the above-described embodiment, above-mentioned waste pipe also has bellmouth.But, in the utility model, above-mentioned waste pipe can also not have CONCENTRIC REDUCER, there is no dividing of joint socket, be all that flat mouth is joined, seal with rubber sleeve between above-mentioned waste pipe or between above-mentioned waste pipe and other pipe fitting, pipeline is with how long how long cutting out, can save tubing, beautiful shape.Preferably, above-mentioned waste pipe one end is equipped with rubber seal, thus realize between above-mentioned waste pipe or above-mentioned waste pipe and other pipe fitting between flexibly connect, thereby reduced further vibrations along the tube wall transmission.
Embodiment and the embodiment that should understand described in above specification only are not used in restriction scope of the present utility model for the utility model is described.After having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of various equivalents of the present utility model.
Claims (8)
1. a noise reduction spiral waste pipe is characterized in that: described noise reduction spiral waste pipe comprises internal layer outer and that have smooth and ductility, wherein between described skin and described internal layer, is filled with expanded polypropylene material.
2. noise reduction spiral waste pipe according to claim 1, is characterized in that: have the protruding spiral bar distributed equably along its inwall on described internal layer, and the inwall along described internal layer continues with certain interval curve spiral.
3. noise reduction spiral waste pipe according to claim 2, is characterized in that: described protruding spiral bar shape triangular in shape.
4. noise reduction spiral waste pipe according to claim 3, it is characterized in that: the right-handed thread lift angle of described protruding spiral bar is less than or equal to 73 °.
5. noise reduction spiral waste pipe according to claim 4, it is characterized in that: the inwall of described internal layer has 6～8 described protruding spiral bars.
6. according to the described noise reduction spiral waste pipe of claim 1～5 any one, it is characterized in that: described noise reduction spiral waste pipe also has bellmouth, wherein, in described bellmouth, rubber seal is installed, thereby realizes flexibly connecting between described noise reduction spiral waste pipe or between described noise reduction spiral waste pipe and other pipe fitting.
7. according to the described noise reduction spiral waste pipe of claim 1～5 any one, it is characterized in that: described noise reduction spiral waste pipe does not have bellmouth, between wherein said noise reduction spiral waste pipe or between described noise reduction spiral waste pipe and other pipe fitting, with rubber sleeve, seals.
8. noise reduction spiral waste pipe according to claim 7, it is characterized in that: described noise reduction spiral waste pipe one end is equipped with rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320263778 CN203348760U (en) | 2013-05-15 | 2013-05-15 | Sound attenuation spiral water draining pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320263778 CN203348760U (en) | 2013-05-15 | 2013-05-15 | Sound attenuation spiral water draining pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348760U true CN203348760U (en) | 2013-12-18 |
Family
ID=49748660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320263778 Expired - Fee Related CN203348760U (en) | 2013-05-15 | 2013-05-15 | Sound attenuation spiral water draining pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203348760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247036A (en) * | 2016-08-30 | 2016-12-21 | 安徽豪家管业有限公司 | A kind of high-quality spiral-flute silencing drainage pipe spiral noise-reduction drainage road |
-
2013
- 2013-05-15 CN CN 201320263778 patent/CN203348760U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247036A (en) * | 2016-08-30 | 2016-12-21 | 安徽豪家管业有限公司 | A kind of high-quality spiral-flute silencing drainage pipe spiral noise-reduction drainage road |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20150515 |
|
| EXPY | Termination of patent right or utility model |