CN204622718U - A kind of automobile front wall sound-isolation pad of damping and silencing - Google Patents
A kind of automobile front wall sound-isolation pad of damping and silencing Download PDFInfo
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- CN204622718U CN204622718U CN201520109476.9U CN201520109476U CN204622718U CN 204622718 U CN204622718 U CN 204622718U CN 201520109476 U CN201520109476 U CN 201520109476U CN 204622718 U CN204622718 U CN 204622718U
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- layer
- cotton layer
- epe
- fixing hole
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Abstract
The utility model provides a kind of automobile front wall sound-isolation pad of damping and silencing, the cotton layer of EPE is arranged with the cotton layer of semi-solid preparation, the cotton layer of semi-solid preparation is arranged with fiberglass needled mat layer, fiberglass needled mat layer is arranged with nonwoven layer, the cotton layer of EPE is by the cotton layer of the bonding semi-solid preparation of epoxide-resin glue, the cotton layer of semi-solid preparation is by epoxide-resin glue adhering glass fibre prickling carpet veneer, fiberglass needled mat layer is by the bonding nonwoven layer of epoxide-resin glue, sound insulating pad is provided with multiple fixing hole, fixing hole is provided with the cylindrical blimp that fixing hole established by cover, cylindrical blimp is adhered to fixing hole both sides by two hollow half cylinder.The utility model can improve the damping of sound insulating pad and the function of noise reduction further by arranging the cotton layer of EPE and arrange silastic-layer on the cotton layer of EPE, EPE has damping, heat insulation, water proof is moistureproof and the function of sound insulation, fiberglass needled mat has the effect of sound absorption noise reduction, and semi-solid preparation cotton and non-woven fabrics combine and can reduce noise further.
Description
Technical field
The utility model relates to automotive trim production field, is specifically related to a kind of automobile front wall sound-isolation pad of damping and silencing.
Background technology
Automobile dash board is the dividing plate being positioned at automobile engine and automobile cab, and automobile dash board and floor, front column connect, and are arranged under cowl upper.Engine produces noise and vibrations in the process run, and the noise of engine and vibrations can be delivered in compartment through front panel, thus have influence on driver behavior and the impression of user vehicle.In the market for automobile front wall noise, on automobile dash board, stickup or snap-fastener are fastened on sound insulating pad, and sound insulating pad is the structure for weakening noise.Do not have a sound insulating pad making cooperation minimizing vibrations for automobile engine vibrations, that current automobile dash board sound insulating pad adopts is EPDM+PU or EVA+PU, but adopts its soundproof effect of the sound insulating pad of this spline structure to be not clearly.Further, adopt EPDM or EVA higher as its global density of separation layer, the overall weight of automobile can be increased further.
Utility model content
For above problems of the prior art, the utility model provides a kind of automobile front wall sound-isolation pad of damping and silencing, add shockproof effect, there is function that is moistureproof and sound insulation simultaneously, too increase the pliability of product, Long-Time Service is not yielding, and the life-span of sound insulating pad is increased further.
The utility model is achieved through the following technical solutions:
An automobile front wall sound-isolation pad for damping and silencing, includes the cotton layer of EPE, and the cotton layer of described EPE is arranged with the cotton layer of semi-solid preparation, and the cotton layer of described semi-solid preparation is arranged with fiberglass needled mat layer, and described fiberglass needled mat layer is arranged with nonwoven layer;
The cotton layer of described EPE, the cotton layer of semi-solid preparation, fiberglass needled mat layer, nonwoven layer are all bonding by epoxide-resin glue;
Described sound insulating pad is provided with multiple fixing hole, and described fixing hole is provided with the cylindrical blimp that fixing hole established by cover, and described cylindrical blimp is adhered to fixing hole both sides by two hollow half cylinder.
Further, the diameter of described cylindrical blimp is greater than the diameter length of fixing hole.
Further, the cotton layer of described EPE is bonded with silastic-layer by epoxide-resin glue.
The beneficial effects of the utility model are: can improve the damping of sound insulating pad and the function of noise reduction further by arranging the cotton layer of EPE and arrange silastic-layer on the cotton layer of EPE, EPE has damping, heat insulation, the function of water proof protection against the tide and sound insulation, fiberglass needled mat has the effect of sound absorption noise reduction, semi-solid preparation cotton and non-woven fabrics combine and can reduce noise further, for preventing the fixture of fixing hole from transmitting noise in this case, wake up at fixing hole and be provided with cylindrical blimp, can prevent fixture from transmitting noise, its soundproof effect of sound insulating pad that the utility model makes is better, also there is the effect of damping, its weight is lighter, practicality is stronger, be worth of widely use.
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model;
Fig. 2 is the part-structure schematic diagram of the utility model structure.
In figure: 1 is the cotton layer of EPE; 2 is the cotton layer of semi-solid preparation; 3 is fiberglass needled mat layer; 4 is nonwoven layer; 5 is epoxy glue layer; 6 is fixing hole; 7 is hollow half cylinder; 8 is silastic-layer; 9 is cylindrical blimp.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1 and Fig. 2, the utility model provides a kind of automobile front wall sound-isolation pad of damping and silencing, and comprise the cotton layer 1 of EPE, wherein EPE cotton has the effect of noise abatement.In order to avoid using conventional PVC and EPDM and PU material, the cotton layer 2 of semi-solid preparation is arranged with at the cotton layer 1 of EPE in this programme, the cotton layer 2 of semi-solid preparation can improve the soundproof effect of front wall sound-isolation pad further, wherein the cotton layer 2 of semi-solid preparation is arranged with fiberglass needled mat layer 3, fiberglass needled mat layer 3 is through machinery and unorderedly makes, wherein there is the cavity of numerous entanglement, the effect of sound-absorbing and noise reduction can be improved further, in order to prevent humidity, go mouldy, be arranged with nonwoven layer 4 at fiberglass needled mat layer 3; The order of connection is, the cotton layer 1 of EPE is by the cotton layer 2 of the bonding semi-solid preparation of epoxide-resin glue 5, and the cotton layer 2 of semi-solid preparation is by epoxide-resin glue 5 adhering glass fibre prickling carpet veneer 3, and fiberglass needled mat layer 3 is by the bonding nonwoven layer 4 of epoxide-resin glue 5.The main noise reduction order of four-layer structure is: by first damping, noise reduction, sound-absorbing and protection against the tide, can play damping, sound-absorbing further, the function of sound-insulation, improves the effect of Sound-proof material; Use for the ease of front wall sound-isolation pad is provided with multiple fixing hole 6 in sound insulating pad, and wherein fixing hole 6 is provided with the cylindrical blimp 9 that fixing hole 6 established by cover, and wherein cylindrical blimp 9 is adhered to fixing hole 6 both sides by two hollow half cylinder 7.
With reference to Fig. 1, wherein the diameter of cylindrical blimp is greater than the diameter length of fixing hole 6, if length is less than fixing hole 6, cannot complete.In order to improve the effect of damping further, the cotton layer 1 of EPE is bonded with silastic-layer 8 by epoxide-resin glue 5.
Wherein:
EPE: damping, insulation, the features such as water proof is moistureproof, heat insulation, and sound insulation is antifriction, anti-aging, corrosion-resistant;
Semi-solid preparation is cotton: have certain degree of hardness, and play effect that is soundproof, vibrationproof;
Fiberglass needled mat: space is little, space rule is large, has good sound-absorbing, damping, corrosion-resistant, insulation, high temperature resistant, fire-retardant performance.Porosity is high;
Non-woven fabrics: moistureproof, ventilative, pliable and tough, light weight, the characteristic such as not combustion-supporting;
Epoxide-resin glue: Applicable temperature generally all at-50 to+150 degree, is applicable to general environment, waterproof, oil resistant, strong alkali-acid resistance.
The utility model can improve the damping of sound insulating pad and the function of noise reduction further by arranging the cotton layer of EPE and arrange silastic-layer on the cotton layer of EPE, EPE has damping, heat insulation, the function of water proof protection against the tide and sound insulation, fiberglass needled mat has the effect of sound absorption noise reduction, semi-solid preparation cotton and non-woven fabrics combine and can reduce noise further, for preventing the fixture of fixing hole from transmitting noise in this case, wake up at fixing hole and be provided with cylindrical blimp, can prevent fixture from transmitting noise, its soundproof effect of sound insulating pad that the utility model makes is better, also there is the effect of damping, its weight is lighter, practicality is stronger, be worth of widely use.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. the automobile front wall sound-isolation pad of a damping and silencing, it is characterized in that: include the cotton layer of EPE, the cotton layer of described EPE is arranged with the cotton layer of semi-solid preparation, and the cotton layer of described semi-solid preparation is arranged with fiberglass needled mat layer, and described fiberglass needled mat layer is arranged with nonwoven layer;
The cotton layer of described EPE, the cotton layer of semi-solid preparation, fiberglass needled mat layer, nonwoven layer are all bonding by epoxide-resin glue;
Described sound insulating pad is provided with multiple fixing hole, and described fixing hole is provided with the cylindrical blimp that fixing hole established by cover, and described cylindrical blimp is adhered to fixing hole both sides by two hollow half cylinder.
2. the automobile front wall sound-isolation pad of a kind of damping and silencing according to claim 1, is characterized in that: the diameter of described cylindrical blimp is greater than the diameter length of fixing hole.
3. the automobile front wall sound-isolation pad of a kind of damping and silencing according to claim 1, is characterized in that: the cotton layer of described EPE is bonded with silastic-layer by epoxide-resin glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109476.9U CN204622718U (en) | 2015-02-14 | 2015-02-14 | A kind of automobile front wall sound-isolation pad of damping and silencing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109476.9U CN204622718U (en) | 2015-02-14 | 2015-02-14 | A kind of automobile front wall sound-isolation pad of damping and silencing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204622718U true CN204622718U (en) | 2015-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520109476.9U Expired - Fee Related CN204622718U (en) | 2015-02-14 | 2015-02-14 | A kind of automobile front wall sound-isolation pad of damping and silencing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204622718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335256A (en) * | 2016-08-25 | 2017-01-18 | 广德天运新技术股份有限公司 | Vehicle front cover silencing pad having heat dissipating function |
| CN110504091A (en) * | 2019-08-16 | 2019-11-26 | 西安合容电力设备有限公司 | A kind of dry-type hollow filter reactor |
-
2015
- 2015-02-14 CN CN201520109476.9U patent/CN204622718U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335256A (en) * | 2016-08-25 | 2017-01-18 | 广德天运新技术股份有限公司 | Vehicle front cover silencing pad having heat dissipating function |
| CN110504091A (en) * | 2019-08-16 | 2019-11-26 | 西安合容电力设备有限公司 | A kind of dry-type hollow filter reactor |
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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: 20160214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |