CN204623354U - A kind of novel sound insulating is cotton - Google Patents
A kind of novel sound insulating is cotton Download PDFInfo
- Publication number
- CN204623354U CN204623354U CN201520215686.6U CN201520215686U CN204623354U CN 204623354 U CN204623354 U CN 204623354U CN 201520215686 U CN201520215686 U CN 201520215686U CN 204623354 U CN204623354 U CN 204623354U
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- layer
- cotton layer
- cotton
- foamed cotton
- needled felt
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- Laminated Bodies (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
It is cotton that the utility model provides a kind of novel sound insulating, comprises terylene needled felt layer, and terylene needled felt layer is provided with the cotton layer of PP, and terylene needled felt layer has PE foamed cotton layer, and the downward end of PE foamed cotton layer is evenly provided with the rectangular channel that many groups intersect in length and breadth; PE foamed cotton layer has nonwoven layer, is evenly provided with the circular port that many groups run through nonwoven layer under nonwoven layer; The cotton layer of PP, terylene needled felt layer, PE foamed cotton layer and nonwoven layer every lamellar spacing place are provided with organic pressure-sensitive gel, by hot-forming.This practicality spreads out of first through circular port sound-absorbing by noise from bottom, when acoustic energy imports in the rectangular channel of PE foamed cotton layer through circular port, further echo noise reduction, after the noise noise reduction 40% of PE foamed cotton layer, enter into terylene needled felt layer carry out secondary noise reduction, when the noise after secondary noise reduction is through the cotton noise reduction of last one deck PP, its noise decibel reduces by 70% than former noise, and the simple environmental protection easy to use of the utility model structure, is worth of widely use.
Description
Technical field
The utility model relates to automotive trim field, is specifically related to a kind of novel sound insulating cotton.
Background technology
Along with automobile progressively enters family, car owner more and more focuses on ride quality, noise when they are also and more lie in traveling.In fact, the noise in compartment is enough to affect the talk of passenger, the listening attentively to, so that the mood driven of music.Now commercially many employing Sound-proof materials are that automobile carries out sound insulation, Sound-proof material is main material market adopting sound insulation, Sound-proof material should have that quality is light, sound insulation and the good characteristic of sound-absorbing effect, dragons and fishes jumbled together for Sound-proof material on market, if mistake in can cause very large potential safety hazard to automobile and car owner itself.
Now, China is electric, the production of electronic machine interior trim parts, all require to reach European Union RoHS environment-protecting asepsis standard and the certification of CCC China Compulsory, and require that there is good soundproof effect, namely require that interior products has the objectionable impurities composition such as lower smell, less formaldehyde, there is better anti-noise soundproof effect simultaneously.
Utility model content
For above problems of the prior art, the utility model provides one can successively noise reduction, and a kind of novel sound insulating arranging sound-absorbing, the passage of noiseless and cavity volume is cotton.
The utility model is achieved through the following technical solutions:
A kind of novel sound insulating is cotton, comprises terylene needled felt layer, and described terylene needled felt layer is provided with the cotton layer of PP, and described terylene needled felt layer has PE foamed cotton layer, and the downward end of described PE foamed cotton layer is evenly provided with the rectangular channel that many groups intersect in length and breadth; Described PE foamed cotton layer has nonwoven layer, is evenly provided with the circular port that many groups run through nonwoven layer under described nonwoven layer; The cotton layer of described PP, terylene needled felt layer, PE foamed cotton layer and nonwoven layer every lamellar spacing place are provided with organic pressure-sensitive gel, by hot-forming.
The height of described rectangular channel is 1/2nd of PE foamed cotton layer thickness, and the width of described rectangular channel is 1/2nd of PE foamed cotton layer thickness.
The thickness of the organic pressure-sensitive gel at the cotton layer of described PP, terylene needled felt layer, PE foamed cotton layer and nonwoven layer every lamellar spacing place is 1/2nd of rectangular channel thickness.
For the effect making the utility model reach marketing, the material adopted all can be buied by market.
Wherein:
Terylene needled felt: terylene normal temperature Needled mat adopts nonwoven needled technology utilization fiber to be staggered, the thin fiber cloth that space is evenly distributed, the Needled mat surface having twist yarn to produce with polyester staple fiber and terylene is through hot rolling, singe or the post-processing such as coating, make its surfacing smooth, not easily block by dust, this filtrate void content is large, permeability is better, purposes is very extensive, chemical resistance stability is strong, not only gas at normal temperature can be filtered, and the aggressive fume that can filter containing soda acid, and water filtering, oil strain, it is normal temperature operating mode, the filter material that the fields such as solid-liquor separation are desirable.
PP is cotton: PP is cotton, is a kind of common manufactured chemical's fiber, polypropylene fibre (PP) cotton good springiness, and bulking intensity is strong, handsome in appearance, is not afraid of extruding, easily washes, quick-drying.Be applicable to the producers such as clothing factory, Toy Factory, gum sprayed cotton factory, nonwoven fabrics.Its advantage is to be easy to cleaning.
PE foamed cotton: be a kind of Novel environment-friendlymaterial material, nontoxic, tasteless, sound insulation, sound-absorbing, heat insulation, pollution-free to air when burning, screen resilience is good, can arbitrarily adjust soft durometer and thickness, the feature such as lightweight, be that other foamed cotton class materials are irreplaceable, hot pressing is shaping, also can produce flame retardant type, be applicable to protecting ware for sports, handbag case and bag, automobile, aerospace, building, footwear material, toy, air-conditioning, petroleum pipe line insulation etc.
Nonwoven fabrics: also known as adhesive-bonded fabric, be made up of orientation or random fiber, be environment-friendly materials of new generation, there is protection against the tide, ventilative, pliable and tough, light weight, not combustion-supporting, easy decomposition, nontoxic nonirritant, rich color, the feature such as to use again cheap, capable of circulation.As adopted polypropylene (pp material) pellet to be raw material more, batch continuous one-step produce through high-temperature fusion, spray silk, paving guiding principle, hot pressing.Cloth is called because having the outward appearance of cloth and some performance.
Organic pressure-sensitive gel: organic pressure-sensitive gel generally refers to that with organosilicon polymer be the pressure sensitive adhesive of main body, or by Organosiliconpolymermodified modified acrylic acid and organic-silicon-modified rubber pressure-sensitive adhesive.Compared with traditional acrylate pressure-sensitive adhesive, rubber pressure-sensitive adhesive, it has the performance such as excellent chemical-resistant resistance, water-fast, oil resistant, solvent resistant, high temperature resistant, low temperature resistant, resistance to heat degradation, antioxidant degraded, and material that can be sticky with multiple difficulty is as splicing such as not surface treated polyolefin (BOPP, PET, PE etc.) fluoroplastic, polyimide and polycarbonate.
The beneficial effects of the utility model are: by arranging PP cotton layer, terylene needled felt layer, PE foamed cotton layer and nonwoven layer and organic pressure-sensitive gel at every lamellar spacing place; And be respectively arranged with rectangular channel and circular port in nonwoven layer and PE foamed cotton layer, when noise spreads out of first through circular port sound-absorbing from bottom, when acoustic energy imports in the rectangular channel of PE foamed cotton layer through circular port, further echo noise reduction, after the noise noise reduction 40% of PE foamed cotton layer, enter into terylene needled felt layer carry out secondary noise reduction, when the noise after secondary noise reduction is through the cotton noise reduction of last one deck PP, its noise decibel reduces by 70% than former noise, the simple environmental protection easy to use of the utility model structure, is worth of widely use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model cutaway view;
Fig. 2 is the structural representation of the birds-eye view of the utility model structure PE foamed cotton Rotating fields;
Fig. 3 is the structural representation of the birds-eye view of the utility model structure nonwoven layer structure.
In figure: 1 is terylene needled felt layer; 2 is the cotton layer of PP; 3 is PE foamed cotton layer; 31 is rectangular channel; 4 is nonwoven layer; 41 is circular port; 5 is organic pressure-sensitive gel.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
Please refer to Fig. 1 to Fig. 3, it is cotton that the utility model provides a kind of novel sound insulating, comprise terylene needled felt layer 1, on terylene needled felt layer 1, be wherein provided with the cotton layer 2 of PP, wherein terylene needled felt and PP cotton all possess excellent sound insulation, the effect of sound-absorbing and noise reduction, wherein terylene needled felt layer 1 has PE foamed cotton layer 3, PE foamed cotton has sound insulation, sound-absorbing, heat insulation, pollution-free to air during burning, screen resilience is good, can arbitrarily adjust soft durometer and thickness, the feature such as lightweight, adjustable shape can be removed according to actual needs, the rectangular channel 31 that many groups intersect in length and breadth is wherein evenly provided with in the end that PE foamed cotton layer 3 is downward, arranging many groups rectangular channel 31 crossing in length and breadth in this case is can play the echo of transmission sound through too much group rectangular channel 31 thus eliminate partial sound energy in transmission sound process, wherein PE foamed cotton layer 3 has nonwoven layer 4, in order to improve the sound insulation value of sound insulating pad further, the circular port 41 that many groups run through nonwoven layer 4 is evenly provided with for 4 times in nonwoven layer, wherein acoustic energy is mainly imported in upper layer of material by circular port 41 by the circular port 41 of nonwoven layer 4, thus increases the effect of sound-absorbing and noise reduction, in order to environmental protection and fixing above-mentioned material, every lamellar spacing place of PP cotton layer 2, terylene needled felt layer 1, PE foamed cotton layer 3 and nonwoven layer 4 is provided with organic pressure-sensitive gel 5, wherein novel sound insulating pad is by hot-forming, organic pressure-sensitive gel 5 it there is excellent chemical-resistant resistance, water-fast, oil resistant, solvent resistant, high temperature resistant, low temperature resistant, resistance to heat degradation, antioxidant degraded etc.
Wherein in order to prevent the excessive height of rectangular channel 31 from causing follow-up soundproof effect to be deteriorated, the height of rectangular channel 31 is set to 1/2nd of PE foamed cotton layer 3 thickness in this case, and be 1/2nd of PE foamed cotton layer 3 thickness by the width of rectangular channel 31, if the thickness of rectangular channel 31 exceedes above-mentioned restriction, its soundproof effect will be rebasing, and the width of rectangular channel 31 can go to change according to actual needs.
In order to improve adhesive property, prevent the soundproof effect destroying Sound-proof material, be 1/2nd of rectangular channel 31 thickness at the thickness of the organic pressure-sensitive gel 5 at every lamellar spacing place of PP cotton layer 2, terylene needled felt layer 1, PE foamed cotton layer 3 and nonwoven layer 4, if exceed or be less than 1/2nd of rectangular channel 31 thickness, its sound insulation value can reduce.
For the effect making the utility model reach marketing, the material adopted all can be buied by market.
The utility model is by arranging PP cotton layer, terylene needled felt layer, PE foamed cotton layer and nonwoven layer and organic pressure-sensitive gel at every lamellar spacing place; And be respectively arranged with rectangular channel and circular port in nonwoven layer and PE foamed cotton layer, when noise spreads out of first through circular port sound-absorbing from bottom, when acoustic energy imports in the rectangular channel of PE foamed cotton layer through circular port, further echo noise reduction, after the noise noise reduction 40% of PE foamed cotton layer, enter into terylene needled felt layer carry out secondary noise reduction, when the noise after secondary noise reduction is through the cotton noise reduction of last one deck PP, its noise decibel reduces by 70% than former noise, the simple environmental protection easy to use of the utility model structure, is worth of widely use.
Implement to pour the detailed bracelet of row factory into of the present utility model above to illustrate, but described content is only the preferred embodiment that the utility model is created, and can not be considered to the practical range that restriction the utility model is created.All equalizations done according to the utility model creation application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (3)
1. a novel sound insulating cotton, it is characterized in that: comprise terylene needled felt layer, described terylene needled felt layer is provided with the cotton layer of PP, and described terylene needled felt layer has PE foamed cotton layer, and the downward end of described PE foamed cotton layer is evenly provided with the rectangular channel that many groups intersect in length and breadth; Described PE foamed cotton layer has nonwoven layer, is evenly provided with the circular port that many groups run through nonwoven layer under described nonwoven layer; The cotton layer of described PP, terylene needled felt layer, PE foamed cotton layer and nonwoven layer every lamellar spacing place are provided with organic pressure-sensitive gel, by hot-forming.
2. a kind of novel sound insulating according to claim 1 is cotton, and it is characterized in that: the height of described rectangular channel is 1/2nd of PE foamed cotton layer thickness, the width of described rectangular channel is 1/2nd of PE foamed cotton layer thickness.
3. a kind of novel sound insulating according to claim 1 is cotton, it is characterized in that: the thickness of the organic pressure-sensitive gel at the cotton layer of described PP, terylene needled felt layer, PE foamed cotton layer and nonwoven layer every lamellar spacing place is 1/2nd of rectangular channel thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215686.6U CN204623354U (en) | 2015-04-10 | 2015-04-10 | A kind of novel sound insulating is cotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215686.6U CN204623354U (en) | 2015-04-10 | 2015-04-10 | A kind of novel sound insulating is cotton |
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| Publication Number | Publication Date |
|---|---|
| CN204623354U true CN204623354U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520215686.6U Expired - Fee Related CN204623354U (en) | 2015-04-10 | 2015-04-10 | A kind of novel sound insulating is cotton |
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| CN (1) | CN204623354U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467067A (en) * | 2016-05-04 | 2017-03-01 | 徐工集团工程机械有限公司 | Muffling unit and engineering truck |
| CN107379665A (en) * | 2017-08-01 | 2017-11-24 | 湖北天运消音防振新材料有限公司 | A kind of two-component acoustical cotton for possessing superpower sound-absorbing effect |
| CN113199827A (en) * | 2021-04-20 | 2021-08-03 | 合肥佩尔哲汽车内饰系统有限公司 | Heat insulation pad for automobile engine hood and production process thereof |
| CN113787804A (en) * | 2021-09-27 | 2021-12-14 | 珠海格力新材料有限公司 | Processing technology of high-efficiency soundproof cotton, soundproof cotton and application |
-
2015
- 2015-04-10 CN CN201520215686.6U patent/CN204623354U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467067A (en) * | 2016-05-04 | 2017-03-01 | 徐工集团工程机械有限公司 | Muffling unit and engineering truck |
| CN106467067B (en) * | 2016-05-04 | 2019-09-24 | 徐工集团工程机械有限公司 | Muffling unit and engineering truck |
| CN107379665A (en) * | 2017-08-01 | 2017-11-24 | 湖北天运消音防振新材料有限公司 | A kind of two-component acoustical cotton for possessing superpower sound-absorbing effect |
| CN113199827A (en) * | 2021-04-20 | 2021-08-03 | 合肥佩尔哲汽车内饰系统有限公司 | Heat insulation pad for automobile engine hood and production process thereof |
| CN113787804A (en) * | 2021-09-27 | 2021-12-14 | 珠海格力新材料有限公司 | Processing technology of high-efficiency soundproof cotton, soundproof cotton and application |
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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: 20150909 Termination date: 20160410 |
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| CF01 | Termination of patent right due to non-payment of annual fee |