CN204488678U - A kind of novel front wall sound-isolation pad - Google Patents
A kind of novel front wall sound-isolation pad Download PDFInfo
- Publication number
- CN204488678U CN204488678U CN201420812998.0U CN201420812998U CN204488678U CN 204488678 U CN204488678 U CN 204488678U CN 201420812998 U CN201420812998 U CN 201420812998U CN 204488678 U CN204488678 U CN 204488678U
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- China
- Prior art keywords
- hot melt
- layer
- melt felt
- damping layer
- front wall
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- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The utility model discloses a kind of novel front wall sound-isolation pad, this sound insulating pad is made up of trilaminate material compound, wherein, comprises the first hot melt felt damping layer of internal layer, the EVA rubber layer in middle level, outer field second hot melt felt damping layer.Further, described first hot melt felt damping layer is proportion is 1000g/m
2, thickness is the hot melt felt of 20mm; Described EVA rubber layer is proportion is 5100g/m
2, thickness is the EVA rubber of 3.0mm; Described second hot melt felt damping layer is proportion is 1000g/m
2, thickness is the hot melt felt of 5.0mm.This utility model is by the first hot melt felt damping layer, EVA rubber layer, second hot melt felt damping layer forms the sandwich unitized construction of absorbent treatment+sound isolating layer+absorbent treatment, and compared to traditional automobile front wall sound-isolation pad, under vehicle treats speed and operating mode at the uniform velocity, acoustic quality has obvious lifting.
Description
Technical field
The utility model relates to a kind of front wall sound insulation pad of automobile driving cabin, belongs to technical field of automotive upholstery.
Background technology
Front wall sound insulation pad of automobile driving cabin is arranged on automobile front wall and drives position, cabin, plays heat insulation, sound insulation and sound absorption.More and more pursuing High Performance, environment-friendly type, energy-saving, lightweight, personalized epoch, the interior trim of automobile is the same with the profile of automobile, will become people and select a key factor of enough automobiles.Therefore, also more and more higher to the designing requirement of automotive upholstery.
In the prior art, widely use the structure of hard cotton+bis-component cotton in car, i.e. the unitized construction of sound absorbing layer+sound isolating layer, its sound insulation value deviation, use in the vehicle that engine noise is larger and there will be the phenomenon bigger than normal of noise in car.Therefore, existing front wall sound-isolation pad need further improvement.
Utility model content
For above-mentioned weak point of the prior art, the utility model aims to provide a kind of novel front wall sound-isolation pad, and compared to traditional sound insulating pad, its acoustic quality under vehicle treats speed and operating mode at the uniform velocity has obvious lifting.
To achieve these goals, the technical solution of the utility model: a kind of novel front wall sound-isolation pad, this sound insulating pad is made up of trilaminate material compound, wherein, comprises the first hot melt felt damping layer of internal layer, the EVA rubber layer in middle level, outer field second hot melt felt damping layer.
Further, described first hot melt felt damping layer is proportion is 1000g/m
2, thickness is the hot melt felt of 20mm; Described EVA rubber layer is proportion is 5100g/m
2, thickness is the EVA rubber of 3.0mm; Described second hot melt felt damping layer is proportion is 1000g/m
2, thickness is the hot melt felt of 5.0mm.
Further, described first hot melt felt damping layer, EVA rubber layer, the second hot melt felt damping layer are arranged to operator's compartment direction by the front wall panel beating of automobile successively.
The beneficial effects of the utility model: by the first hot melt felt damping layer, EVA rubber layer, second hot melt felt damping layer forms the sandwich unitized construction of absorbent treatment+sound isolating layer+absorbent treatment, compared to traditional automobile front wall sound-isolation pad, under vehicle treats speed and operating mode at the uniform velocity, acoustic quality has obvious lifting.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the Rotating fields schematic diagram of wall sound-isolation pad before the utility model;
Fig. 2 is the three-dimensional structure diagram of wall sound-isolation pad before the utility model.
Detailed description of the invention
The utility model is further described below in conjunction with specific embodiment and accompanying drawing.
A described novel front wall sound-isolation pad as shown in Figure 1, Figure 2, this sound insulating pad is made up of trilaminate material compound, wherein, comprises the first hot melt felt damping layer 101 of internal layer, the EVA rubber layer 102 in middle level, outer field second hot melt felt damping layer 103.
This utility model is arranged to whole front wall sound-isolation pad assembly by the front wall panel beating of automobile to operator's compartment direction successively by the first hot melt felt damping layer 101, EVA rubber layer 102, second hot melt felt damping layer 103.It forms the sandwich unitized construction of absorbent treatment+sound isolating layer+absorbent treatment, and compared to traditional automobile front wall sound-isolation pad, under vehicle treats speed and operating mode at the uniform velocity, acoustic quality has obvious lifting.
Particularly, described first hot melt felt damping layer 101 for proportion be 1000g/m
2, thickness is the hot melt felt of 20mm; Described EVA rubber layer 102 for proportion be 5100g/m
2, thickness is the EVA rubber of 3.0mm; Described second hot melt felt damping layer 103 for proportion be 1000g/m
2, thickness is the hot melt felt of 5.0mm.
Tested by the automobile with this front wall sound-isolation pad, its test data is as follows:
Combustion characteristic presses GB8410-2006 standard, its burning velecity≤100mm/min;
Peel strength >=9N/50mm;
Aerosol cryolac number presses SAEJ1756-2006 standard, its aerosol cryolac number≤2mg;
Odor profilesly press Q/YX06.3-2014 standard, odor profiles >=6 grade;
Permeability of heat presses ATM C518 standard, its insulation surface temperature≤150 DEG C;
VOC presses Q/YX 0.61-2014 standard, formaldehyde≤200 μ g/m
3, acetaldehyde≤150 μ g/m
3, acrolein≤100 μ g/m
3, benzene≤70 μ g/m
3, toluene≤250 μ g/m
3, ethylbenzene≤60 μ g/m
3, dimethylbenzene≤100 μ g/m
3, styrene≤80 μ g/m
3;
TVOC≤2000μg/m
3，
Coefficient of sound-absorption presses GB/T18696.2-2002 standard:
| Sound frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 4000 | 6300 |
| Coefficient of sound-absorption | ≥0.05 | ≥0.06 | ≥0.20 | ≥0.25 | ≥0.45 | ≥0.80 | ≥0.90 |
Sound transmission loss presses GB/T18696.2-2002 standard:
| Sound frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 4000 | 6300 |
| Sound transmission loss decibel | ≥25dB | ≥15dB | ≥20dB | ≥25dB | ≥35dB | ≥58dB | ≥60dB |
Above-mentioned data are known, apply front wall sound-isolation pad of the present utility model, and under vehicle treats speed and operating mode at the uniform velocity, acoustic quality all has obvious lifting.
Above the technical scheme that the utility model embodiment provides is described in detail, apply specific case herein to set forth the principle of the utility model embodiment and embodiment, the explanation of above embodiment is only applicable to the principle helping to understand the utility model embodiment; Meanwhile, for one of ordinary skill in the art, according to the utility model embodiment, detailed description of the invention and field of application all will change, and in sum, this description should not be construed as restriction of the present utility model.
Claims (5)
1. a novel front wall sound-isolation pad, it is characterized in that: described sound insulating pad is made up of trilaminate material compound, wherein, comprise the first hot melt felt damping layer (101) of internal layer, the EVA rubber layer (102) in middle level, outer field second hot melt felt damping layer (103).
2. a kind of novel front wall sound-isolation pad according to claim 1, is characterized in that: described first hot melt felt damping layer (101) for proportion be 1000g/m
2, thickness is the hot melt felt of 20mm.
3. a kind of novel front wall sound-isolation pad according to claim 2, is characterized in that: described EVA rubber layer (102) for proportion be 5100g/m
2, thickness is the EVA rubber of 3.0mm.
4. wall sound-isolation pad before a kind of novel according to Claims 2 or 3, is characterized in that: described second hot melt felt damping layer (103) for proportion be 1000g/m
2, thickness is the hot melt felt of 5.0mm.
5. a kind of novel front wall sound-isolation pad according to claim 1, is characterized in that: described first hot melt felt damping layer (101), EVA rubber layer (102), the second hot melt felt damping layer (103) are arranged to operator's compartment direction by the front wall panel beating of automobile successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812998.0U CN204488678U (en) | 2014-12-19 | 2014-12-19 | A kind of novel front wall sound-isolation pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812998.0U CN204488678U (en) | 2014-12-19 | 2014-12-19 | A kind of novel front wall sound-isolation pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204488678U true CN204488678U (en) | 2015-07-22 |
Family
ID=53567958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420812998.0U Expired - Fee Related CN204488678U (en) | 2014-12-19 | 2014-12-19 | A kind of novel front wall sound-isolation pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204488678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527533A (en) * | 2014-12-19 | 2015-04-22 | 北汽银翔汽车有限公司 | Novel front wall sound-insulation pad |
-
2014
- 2014-12-19 CN CN201420812998.0U patent/CN204488678U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527533A (en) * | 2014-12-19 | 2015-04-22 | 北汽银翔汽车有限公司 | Novel front wall sound-insulation pad |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190515 Granted publication date: 20150722 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210129 Granted publication date: 20150722 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20181219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |