CN206394573U - Vehicle dash panel heat insulating mattress - Google Patents
Vehicle dash panel heat insulating mattress Download PDFInfo
- Publication number
- CN206394573U CN206394573U CN201621297357.1U CN201621297357U CN206394573U CN 206394573 U CN206394573 U CN 206394573U CN 201621297357 U CN201621297357 U CN 201621297357U CN 206394573 U CN206394573 U CN 206394573U
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- CN
- China
- Prior art keywords
- felt layers
- heat insulating
- sound
- dash panel
- insulating mattress
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The utility model provides a kind of vehicle dash panel heat insulating mattress, including sound absorption portion and sound insulation portion, wherein：Sound absorption portion has sound absorbing capabilities, and sound insulation portion is connected with the sound absorption portion and has sound insulation property.Vehicle dash panel heat insulating mattress described in the utility model, because with sound absorption portion and sound insulation portion two parts, the position that can be concentrated when using in Engine Noise sets sound insulation portion, other positions set sound absorption portion, avoid large area from using double-layer, it is possible to decrease cost and weight, can also reduce labor strength.
Description
Technical field
The utility model is related to vehicle sound insulation part technical field, more particularly to a kind of vehicle dash panel heat insulating mattress.
Background technology
As vehicle technology is continued to develop and ripe, consumer requires also more and more higher to the driver comfort of vehicle.Car
Noise is to influence a key factor of driver comfort, and engine is main noise source.
In vehicle, preceding heat insulation pad for enveloping is arranged on front wall metal plate, is to completely cut off the weight that engine noise is transmitted to driver's cabin
Want parts.At present, preceding heat insulation pad for enveloping mainly has two kinds：Containing double-layer (EVA or EPDM) sound insulation preferably, its price is higher for one kind,
And heavier-weight, cause labor strength big, assembling is difficult；Gross combination weight can also be increased, cause to increase oil consumption.It is another not
Containing double-layer, preferably, its lighter in weight, price are relatively low, but sound insulation value is poor for sound-absorbing, and especially engine Middle and low frequency noise is hindered
It is poor every effect.
Utility model content
In view of this, the utility model is directed to a kind of vehicle dash panel heat insulating mattress, to reduce its own weight and have
Preferably every acoustically effective.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of vehicle dash panel heat insulating mattress, including：Sound absorption portion with sound absorbing capabilities, and the tool being connected with the sound absorption portion
There is the sound insulation portion of sound insulation property.
Further, the sound insulation portion includes the upper felt layers and lower felt layers being stacked, and located at the upper hair
Ethylene-vinyl acetate copolymer layer between carpet veneer and the lower felt layers.
Further, the compression ratio of the upper felt layers is 70%-80%, and thickness is 5-7mm.
Further, the compression ratio of the lower felt layers is 15%-25%, and thickness is 17-19mm.
Further, the thickness of the ethylene-vinyl acetate copolymer layer is 0.8-1.2mm.
Further, the sound absorption portion includes the first felt layers, the second felt layers and the 3rd felt being cascading
Layer, and in first felt layers, second felt layers and the 3rd felt layers it is adjacent between the two at least one
The acoustics film layer of setting.
Further, the compression ratio of first felt layers is 55%-65%, and thickness is 5-7mm.
Further, the compression ratio of second felt layers is 35%-45%, and thickness is 6-8mm.
Further, the compression ratio of the 3rd felt layers is 15%-25%, and thickness is 11-13mm.
Further, in first felt layers, second felt layers and the 3rd felt layers it is adjacent both it
Between be equipped with acoustics film layer.
Relative to prior art, the utility model has the advantage that：
(1) vehicle dash panel heat insulating mattress described in the utility model, due to including sound absorption portion and sound insulation portion two parts, when using
The position that can be concentrated in Engine Noise sets sound insulation portion, and other positions set sound absorption portion, it is to avoid large area uses double-layer, can
Cost and weight are reduced, labor strength can be also reduced.
(2) sound insulation portion includes the upper felt layers and lower felt layers being stacked, and sets ethyl vinyl acetate second therebetween
Alkene copolymer layer, makes sound insulation portion have preferable sound insulation property, and can take into account sound absorbing capabilities.
(3) felt layers compression ratio is 70%-80% on, and thickness is that 5-7mm or lower felt layers compression ratios are 15%-25%,
Thickness is 17-19mm, and sound insulation portion can be made to have preferable sound insulation property.
(4) thickness of ethylene-vinyl acetate copolymer layer is 0.8-1.2mm, with preferable sound insulation property, and makes sound insulation
Portion is softer, is conducive to type face, is easily fitted with metal plate.
(5) sound absorption portion includes the first felt layers, the second felt layers and the 3rd felt layers being stacked, and in the first felt
It is adjacent in layer, the second felt layers and the 3rd felt layers that acoustics film layer is set at least one between the two, make sound absorption portion have compared with
Good sound absorbing capabilities, and sound insulation property can be taken into account.
(6) first felt layers compression ratios are 55%-65%, and thickness is 5-7mm, or the second felt layers compression ratio is 35%-
45%, thickness is 6-8mm, or the 3rd felt layers compression ratio is 15%-25%, and thickness is 11-13mm, can make sound absorption portion have compared with
Good sound absorbing capabilities.
(7) it is adjacent in first felt layers, second felt layers and the 3rd felt layers to be all provided between the two
Put acoustics film layer, can further improve sound absorption portion every sound absorbing capabilities.
Brief description of the drawings
Constitute a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation of the vehicle dash panel heat insulating mattress described in the utility model embodiment；
Description of reference numerals：
1- sound absorptions portion, the felt layers of 101- first, the felt layers of 102- second, the felt layers of 103- the 3rd, the acoustics of 104- first is thin
Felt layers, 203- ethyl vinyl acetate second under film layer, 105- second layer acoustics film layers, 2- sound insulation portion, the upper felt layers of 201-, 202-
Alkene copolymer layer.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
The compression ratio mentioned in the utility model is associated with felt density, and compression ratio is bigger, and density is bigger.
First felt layers in the utility model, the second felt layers, the 3rd felt layers, the first acoustics film layer and second layer sound
First and second in film layer are learned, and upper and lower in upper felt layers and lower felt layers is for being easy to describe this practicality
It is new, do not constitute to limitation of the present utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The utility model provides a kind of vehicle dash panel heat insulating mattress, mainly includes sound absorption portion and sound insulation portion, wherein：Sound absorption portion
With sound absorbing capabilities, sound insulation portion is connected with sound absorption portion and has sound insulation property.
Vehicle dash panel heat insulating mattress of the present utility model, due to that with sound absorption portion and sound insulation portion two parts, can sent out when using
The position that motivation noise source is concentrated sets sound insulation portion, and other positions set sound absorption portion, it is to avoid large area uses double-layer, it is possible to decrease into
Sheet and weight, can also reduce labor strength.
Based on above design philosophy, a kind of example arrangement of the present embodiment as shown in figure 1, in order that sound insulation portion have compared with
Good sound insulation property, sound insulation portion includes the upper felt layers 201 and lower felt layers 202 being stacked, in addition to located at upper felt layers
Ethylene-vinyl acetate copolymer layer 203 between 201 and lower felt layers 202, wherein, ethylene-vinyl acetate copolymer layer 203
It is sprayed at using spraying coating process in upper felt layers 201 or lower felt layers 202.Specifically, the compression ratio of upper felt layers 201 is optimal sets
Be calculated as 70%-80%, as its can be 75%, thickness optimal design be 5-7mm, as its can be 6mm, the compression of lower felt layers 202
Rate optimal design be 15%-25%, as its can be 20%, thickness optimal design be 17-19mm, as its can be 18mm, ethene-vinegar
The thickness optimal design of sour ethylene copolymer layer 203 is 0.8-1.2mm, as it can be 1mm.
In above structure, the compression ratio and thickness of upper felt layers 201 or lower felt layers 202 are set to above-mentioned parameter, are
To improve the sound insulation property in sound insulation portion, and sound absorbing capabilities are taken into account, both combinations can make its sound insulation property optimal, certainly its compression
Rate and thickness, except that can be set to above-mentioned parameter, can be also other specification, simply its sound insulation property is relatively poor.In addition, ethene-vinegar
The sour thickness of ethylene copolymer layer 203 is set to above-mentioned parameter, can improve sound insulation portion sound insulation property, and makes sound insulation portion softer, favorably
In type face, easily fitted with metal plate, its thickness, except that can be above-mentioned parameter, can also be other specification.
In order to improve the sound absorbing capabilities in sound absorption portion 1, sound absorption portion 1 includes the first felt layers 101, second being cascading
The felt layers 103 of felt layers 102 and the 3rd, and the first acoustics film is set between the first felt layers 101 and the second felt layers 102
Layer 104, between the second felt layers 102 and the 3rd felt layers 103 second acoustics film layer 105 is set.Specifically, the first felt
Layer 101 compression ratio optimal design be 55%-65%, as its can be 60%, thickness optimal design be 5-7mm such as its can be 6mm；
The compression ratio optimal design of second felt layers 102 be 35%-45%, as its can be 40%, thickness optimal design be 6-8mm, such as
It can be 7mm；The compression ratio optimal design of 3rd felt layers 103 is 15%-25%, as it can be 20%, thickness optimal design
For 11-13mm, as it can be 12mm.
In said structure, the compression ratio and thickness of the first felt layers 101 or the second felt layers 102 or the 3rd felt layers 103
Degree is set to above-mentioned parameter, is, to improve the sound absorbing capabilities in sound absorption portion 1, and to take into account its sound insulation property, triplicity can make it
Sound absorbing capabilities are optimal, and its certain compression ratio and thickness, can also other specifications, simply its sound absorbing capabilities except that can be set to above-mentioned parameter
It is relatively poor.In addition, acoustics film layer includes two layers totally of the first acoustics film layer 104 and the second acoustics film layer 105, one can be entered
Step improves sound absorption portion 1 every sound absorbing capabilities, and it can be located at the first felt layers 101 and the second felt layers 102 except that can be two layers, also
Between, or be one layer between the second felt layers 102 and the 3rd felt layers 103, it can so make the sound absorbing capabilities phase of sound absorption portion 1
To poor.
In the present embodiment, sound absorption portion 1 is buckled by felt with sound insulation portion and is connected, convenient disassembly, and sound absorption portion 1 and sound insulation portion are except can
Connection is buckled with felt, can be also such as bonded using other modes connection.
The vehicle dash panel heat insulating mattress of the present embodiment, due to reducing weight, can reduce gross combination weight, subtract during applied to vehicle
Few vehicle oil consumption, improves the fuel-economy type of vehicle；It is cheap, the competitiveness of product in market can be improved.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of vehicle dash panel heat insulating mattress, it is characterised in that including：Sound absorption portion (1) with sound absorbing capabilities, and inhaled with described
The sound insulation portion (2) with sound insulation property of part (1) connection, the sound insulation portion (2) includes the upper felt layers (201) being stacked
With lower felt layers (202), and the ethyl vinyl acetate second between the upper felt layers (201) and the lower felt layers (202)
Alkene copolymer layer (203).
2. vehicle dash panel heat insulating mattress according to claim 1, it is characterised in that：The compression ratio of the upper felt layers (201)
For 70%-80%, thickness is 5-7mm.
3. vehicle dash panel heat insulating mattress according to claim 1, it is characterised in that：The compression ratio of the lower felt layers (202)
For 15%-25%, thickness is 17-19mm.
4. vehicle dash panel heat insulating mattress according to claim 1, it is characterised in that：The ethylene-vinyl acetate copolymer layer
(203) thickness is 0.8-1.2mm.
5. vehicle dash panel heat insulating mattress according to claim 1, it is characterised in that：The sound absorption portion (1) includes stacking gradually
The first felt layers (101), the second felt layers (102) and the 3rd felt layers (103) set, and in first felt layers
(101), the adjacent sound set between the two at least one in second felt layers (102) and the 3rd felt layers (103)
Learn film layer.
6. vehicle dash panel heat insulating mattress according to claim 5, it is characterised in that：The compression of first felt layers (101)
Rate is 55%-65%, and thickness is 5-7mm.
7. vehicle dash panel heat insulating mattress according to claim 5, it is characterised in that：The compression of second felt layers (102)
Rate is 35%-45%, and thickness is 6-8mm.
8. vehicle dash panel heat insulating mattress according to claim 5, it is characterised in that：The compression of 3rd felt layers (103)
Rate is 15%-25%, and thickness is 11-13mm.
9. the vehicle dash panel heat insulating mattress according to any one of claim 5-8, it is characterised in that：In first felt layers
(101) it is, adjacent in second felt layers (102) and the 3rd felt layers (103) to be equipped with acoustics film layer between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621297357.1U CN206394573U (en) | 2016-11-30 | 2016-11-30 | Vehicle dash panel heat insulating mattress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621297357.1U CN206394573U (en) | 2016-11-30 | 2016-11-30 | Vehicle dash panel heat insulating mattress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206394573U true CN206394573U (en) | 2017-08-11 |
Family
ID=59510162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621297357.1U Active CN206394573U (en) | 2016-11-30 | 2016-11-30 | Vehicle dash panel heat insulating mattress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206394573U (en) |
-
2016
- 2016-11-30 CN CN201621297357.1U patent/CN206394573U/en active Active
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