CN208931263U - Preceding wall sound-isolation pad and the vehicle with it in vehicle - Google Patents
Preceding wall sound-isolation pad and the vehicle with it in vehicle Download PDFInfo
- Publication number
- CN208931263U CN208931263U CN201821608142.6U CN201821608142U CN208931263U CN 208931263 U CN208931263 U CN 208931263U CN 201821608142 U CN201821608142 U CN 201821608142U CN 208931263 U CN208931263 U CN 208931263U
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- China
- Prior art keywords
- sound
- vehicle
- segment
- isolation pad
- carpet veneer
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Abstract
The utility model discloses preceding wall sound-isolation pad in a kind of vehicle and with its vehicle, preceding wall sound-isolation pad includes first segment and second segment in vehicle, first segment successively includes sound insulation carpet veneer, sound absorbing layer along the direction of the cockpit from vehicle from inside to outside, second segment successively includes sound insulation carpet veneer, EVA layer, sound absorbing layer along the direction of the cockpit from vehicle from inside to outside, wherein, the density of sound insulation carpet veneer is greater than the density of sound absorbing layer.Preceding wall sound-isolation pad in vehicle according to the present utility model, the position that first segment can apply the sound insulation demand of the front wall in vehicle weaker, second segment can be applied in the stronger position of sound insulation demand that can apply the front wall in vehicle, and the EVA layer of second segment improves soundproof effect.Since first segment does not have heavier EVA layer, it is ensured that preceding wall sound-isolation pad integrally has lighter weight in vehicle.
Description
Technical field
The utility model relates to vehicle manufacture fields, in particular to preceding wall sound-isolation pad in a kind of vehicle and have it
Vehicle.
Background technique
In the related technology, the interior preceding wall sound-isolation pad of vehicle is used to completely cut off the engine operation noise in front of the cockpit of vehicle
Equal noises are transferred in cockpit.Interior preceding wall sound-isolation pad is made of sound insulation carpet veneer and sound absorbing layer, and the density of sound insulation carpet veneer, which is greater than, inhales
The density of sound-absorbing layer, thus interior preceding wall sound-isolation pad entirety is light-weight, is easy to implement the lightweight of vehicle.Wherein, density is biggish
Sound insulation carpet veneer is used for insulating noise, and the lesser sound absorbing layer of density is only made of sound insulation carpet veneer and sound absorbing layer for absorbing noise
Interior preceding wall sound-isolation pad sound insulation capabilities it is poor, noise be easy cockpit in occupant interfere, influence the seating body of occupant
It tests.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
Sound insulation can be promoted while guaranteeing has lighter weight at least to a certain extent by proposing one kind with novel first aspect
Preceding wall sound-isolation pad in the vehicle of ability.
The second aspect of the utility model proposes a kind of vehicle with preceding wall sound-isolation pad in above-mentioned vehicle.
It is described according to preceding wall sound-isolation pad in vehicle described in the utility model first aspect, including first segment and second segment
First segment is along successively including sound insulation carpet veneer, sound absorbing layer from the direction of the cockpit of vehicle from inside to outside, and the second segment is along from vehicle
Cockpit direction from inside to outside successively include the sound insulation carpet veneer, EVA layer, the sound absorbing layer, wherein the sound insulation carpet veneer
Density is greater than the density of the sound absorbing layer.
According to preceding wall sound-isolation pad in vehicle described in the utility model first aspect, before first segment can be applied in vehicle
The weaker position of the sound insulation demand enclosed, second segment can be applied in the stronger position of sound insulation demand that can apply the front wall in vehicle
It sets, the EVA layer of second segment improves soundproof effect.Since first segment does not have heavier EVA layer, it is ensured that in vehicle front wall every
Sound pad integrally has lighter weight.
According to preceding wall sound-isolation pad in vehicle described in the utility model, the second segment includes multiple segmentations, wherein each
The thickness of the EVA layer of segmentation is different.
Further, multiple segmentations include the first segmentation, and the EVA layer of first segmentation is with a thickness of 1.5mm-
2.5mm, first segmentation includes pedal section.
Further, multiple segmentations include the second segmentation, and the EVA layer of second segmentation is with a thickness of 2.5mm-
3.5mm, second segmentation includes: air conditioning box body section.
According to preceding wall sound-isolation pad in vehicle described in the utility model, the sound absorbing layer is PU foaming layer or baffle blanket
Layer.
Further, the sound insulation carpet veneer and the sound-absorbing carpet veneer are carbon fiber carpet veneer or polyester fiber carpet veneer.
According to preceding wall sound-isolation pad in vehicle described in the utility model, the first segment includes instrument range.
Optionally, in the vehicle preceding wall sound-isolation pad with a thickness of 20mm-30mm, the sound insulation carpet veneer with a thickness of 3mm-
7mm, the sound absorbing layer with a thickness of 15mm-25mm.
According to vehicle described in the utility model second aspect, equipped in the vehicle as described in the utility model first aspect
Preceding wall sound-isolation pad.
According to vehicle described in the utility model second aspect, the soundproof effect to cockpit can be both guaranteed, promotion multiplies
Experience is sat, and the weight of vehicle can be mitigated, is arranged convenient for the lightweight of vehicle.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the interior preceding wall sound-isolation pad of the utility model embodiment.
Appended drawing reference:
Preceding wall sound-isolation pad 100 in vehicle, first segment 10, second segment 20, the first segmentation 21, the second segmentation 22, sound insulation carpet veneer
1, EVA layer 2, sound absorbing layer 3.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, example
Such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate with each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The utility model is described with reference to the accompanying drawing and with reference to specific embodiment.
Fig. 1 is combined to describe preceding wall sound-isolation pad 100 in the vehicle of the utility model embodiment first.
As shown in Figure 1, before preceding wall sound-isolation pad 100 is mounted on the cockpit of vehicle in the vehicle of the utility model embodiment
Square, preceding wall sound-isolation pad 100 may include first segment 10 and second segment 20 in vehicle.
As shown in Figure 1, first segment 10 successively includes sound insulation carpet veneer 1, sound-absorbing along the direction of the cockpit from vehicle from inside to outside
Layer 3, the density of sound insulation carpet veneer 1 are greater than the density of sound absorbing layer 3.
The noise that the noise source in front of cockpit (such as the components such as engine of vehicle) issues as a result, passes through first segment 10
During cockpit transmitting, sound wave arrives first at the lesser sound absorbing layer 3 of density, and sound absorbing layer 3 can carry out acoustic wave segment
First to absorb to partial noise, subsequent sound wave passes through sound absorbing layer 3 and reaches the biggish sound insulation carpet veneer 1 of density for diffusing reflection, every
Sound carpet veneer 1 is comparatively dense, can further reflective portion sound wave, be transferred in cockpit so that sound wave be made to pass through sound insulation carpet veneer 1
Shi Qiangdu further weakens, so that first segment 10 be made integrally to have stronger sound insulation capabilities.
As shown in Figure 1, second segment 20 successively includes sound insulation carpet veneer 1, EVA along the direction of the cockpit from vehicle from inside to outside
(ethylene-vinyl acetate copolymer, Chinese: ethylene-vinyl acetate copolymer) layer 2, sound absorbing layer 3 needs
It is noted that the density of EVA layer 2 is greater than the density of sound insulation carpet veneer 1, the weight with the EVA layer 2 of area is greater than sound insulation carpet veneer 1
Weight, while EVA layer 2 with respect to sound insulation carpet veneer 1 have stronger sound insulation capabilities.
The noise that noise source (such as the components such as engine of vehicle) in front of cockpit issues is by second segment 20 to driving
During sailing cabin transmitting, sound wave arrives first at the lesser sound absorbing layer 3 of density, and sound absorbing layer 3 can carry out acoustic wave segment unrestrained anti-
It penetrates first to be absorbed to partial noise, subsequent sound wave passes through sound absorbing layer 3 and reaches the biggish EVA layer 2 of density, and EVA layer 2 more causes
It is close, further reflective portion sound wave, the remaining part sound wave for passing through EVA layer 2 later it can reach sound insulation carpet veneer 1, sound insulation carpet veneer 1
Also comparatively dense, can further reflective portion sound wave, so that it is strong when sound insulation carpet veneer 1 is transferred in cockpit to pass through sound wave
Degree further weakens, to make second segment 20 is whole with respect to first segment 10 to have stronger sound insulation capabilities.
According to wall sound-isolation pad 100 preceding in the vehicle of the utility model embodiment, by the way that first segment 10 and second segment 20 is arranged,
Since second segment 20 has EVA layer 2, the sound insulation capabilities of second segment 20 are better than the sound insulation capabilities of first segment 10, and first segment 10 can be with
Position (such as the equidistant closer position of noise source at the instrument board of vehicle for applying the sound insulation demand of the front wall in vehicle weaker
Set), second segment 20 can be applied in the stronger position of sound insulation demand (such as the pedal of vehicle that can apply the front wall in vehicle
Equidistant noise source remote position at place, vehicle air conditioning cabinet), to guarantee that preceding wall sound-isolation pad 100 has cockpit in vehicle
There are stronger sound insulation capabilities.Simultaneously as first segment 10 can reduce the dosage of EVA layer 2 to the greatest extent without heavier EVA layer 2,
To mitigate the overall weight of preceding wall sound-isolation pad 100 in vehicle.
In some specific embodiments, in first segment 10, sound insulation carpet veneer 1 can be adhesively fixed with sound absorbing layer 3.Second segment
In 20, EVA layer 2, which can be molded, to be formed between sound insulation carpet veneer 1 and sound absorbing layer 3.
In some optional embodiments of the utility model, as shown in Figure 1, second segment 20 includes multiple segmentations, wherein
The thickness of the EVA layer 2 of each segmentation is different.It is each to be segmented the different location that may be respectively used for vehicle.Thus, it is possible in vehicle
Apart from noise source relatively far away from position setting have relatively thin EVA layer 2 segmentation, vehicle distances noise source relatively
Close position setting has the segmentation of relatively thick EVA layer 2, not only can guarantee that preceding wall sound-isolation pad 100 has in vehicle
There are stronger sound insulation capabilities, while the dosage of EVA layer 2 can be reduced to the greatest extent, to mitigate the entirety of preceding wall sound-isolation pad 100 in vehicle
Weight.
Specifically, multiple segmentations of second segment 20 include first segmentation 21, first segmentation 21 EVA layer 2 with a thickness of
1.5mm-2.5mm, the first segmentation 21 includes pedal section, and pedal section is mounted at the pedal of vehicle.
Multiple segmentations of second segment 20 further include the second segmentation 22, and the EVA layer 2 of the second segmentation 22 is with a thickness of 2.5mm-
3.5mm, it follows that 2 thickness of EVA layer of the second segmentation 22 is greater than 2 thickness of EVA layer of the first segmentation 21, thus the second segmentation
22 sound insulation capabilities are greater than the sound insulation capabilities of the first segmentation 21.Second segmentation 22 includes air conditioning box body section, air conditioning box body section
It is mounted at the air conditioning box body of the air-conditioning system of vehicle, it is empty since air conditioning box body is closer with respect to engine of the pedal apart from vehicle
The sound insulation capabilities of cabinet section are adjusted to be greater than the sound insulation capabilities of pedal section, to guarantee in vehicle that preceding wall sound-isolation pad 100 is whole to driving
Sail the soundproof effect in cabin.
In some specific embodiments, sound absorbing layer 3 is PU foaming layer or sound-absorbing carpet veneer.Sound absorbing layer 3 can have as a result,
There is stronger sound absorbing power, while convenient for manufacture.
More specifically, sound insulation carpet veneer 1 and sound-absorbing carpet veneer are carbon fiber carpet veneer or polyester fiber carpet veneer.Deadening felt as a result,
Layer 1 can have stronger sound insulation capabilities with sound-absorbing carpet veneer, while convenient for manufacture.
Specifically, first segment 10 includes instrument range, and instrument range is mounted at the instrument board of vehicle.More specifically,
Instrument range is mounted on the corresponding front wall metal plate of vent flap of vehicle, to improve the soundproof effect to cockpit.
Optionally, the thickness of preceding wall sound-isolation pad 100 can be 20mm-30mm (such as preceding wall sound-isolation pad in vehicle in vehicle
100 thickness can be 20mm, 23mm, 25mm, 30mm), sound insulation carpet veneer 1 with a thickness of 3mm-7mm (such as sound insulation carpet veneer 1
Thickness can be 3mm, 4mm, 5mm, 7mm), sound absorbing layer 3 with a thickness of 15mm-25mm, (such as the thickness of sound absorbing layer 3 can be
15mm,18mm,20mm,25mm).As a result, in vehicle preceding wall sound-isolation pad 100, sound insulation carpet veneer 1, sound absorbing layer 3 can have it is sufficiently thick
Thickness, to guarantee to the soundproof effect of cockpit.Meanwhile preceding wall sound-isolation pad 100 in vehicle, sound insulation carpet veneer 1, sound absorbing layer 3
Thickness is unlikely to blocked up, so that preceding wall sound-isolation pad 100 has lighter weight simultaneously in vehicle.
The vehicle of the utility model embodiment is described below.
The vehicle of the utility model embodiment be equipped with as any of the above-described kind of embodiment of the utility model vehicle in front wall every
Sound pad 100.
According to the vehicle of the utility model embodiment, by preceding wall sound-isolation pad 100 in setting vehicle, can both guarantee to driving
The soundproof effect in cabin is sailed, promotes ride experience, and the weight of vehicle can be mitigated, is arranged convenient for the lightweight of vehicle.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, those skilled in the art can incite somebody to action
Different embodiments or examples described in this specification are engaged and are combined.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (9)
1. preceding wall sound-isolation pad in a kind of vehicle characterized by comprising first segment and second segment, the first segment is along from vehicle
Cockpit direction from inside to outside successively include: sound insulation carpet veneer, sound absorbing layer, the second segment along the cockpit from vehicle from inside to outside
Direction successively include: the sound insulation carpet veneer, EVA layer, the sound absorbing layer, wherein the density of the sound insulation carpet veneer is greater than described
The density of sound absorbing layer.
2. preceding wall sound-isolation pad in vehicle according to claim 1, which is characterized in that the second segment includes: multiple segmentations,
Wherein, the thickness of the EVA layer of each segmentation is different.
3. preceding wall sound-isolation pad in vehicle according to claim 2, which is characterized in that multiple segmentations include: first point
Section, for the EVA layer of first segmentation with a thickness of 1.5mm-2.5mm, first segmentation includes: pedal section.
4. preceding wall sound-isolation pad in vehicle according to claim 2, which is characterized in that multiple segmentations include: second point
Section, for the EVA layer of second segmentation with a thickness of 2.5mm-3.5mm, second segmentation includes: air conditioning box body section.
5. preceding wall sound-isolation pad in vehicle according to claim 1, which is characterized in that the sound absorbing layer be PU foaming layer or
Sound-absorbing carpet veneer.
6. preceding wall sound-isolation pad in vehicle according to claim 5, which is characterized in that the sound insulation carpet veneer and the baffle blanket
Layer is carbon fiber carpet veneer or polyester fiber carpet veneer.
7. preceding wall sound-isolation pad in vehicle according to claim 1, which is characterized in that the first segment includes: instrument range.
8. preceding wall sound-isolation pad in vehicle described in any one of -7 according to claim 1, which is characterized in that front wall in the vehicle
Sound insulating pad with a thickness of 20mm-30mm, the sound insulation carpet veneer with a thickness of 3mm-7mm, the sound absorbing layer with a thickness of 15mm-
25mm。
9. a kind of vehicle, which is characterized in that including preceding wall sound-isolation pad in vehicle according to claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821608142.6U CN208931263U (en) | 2018-09-29 | 2018-09-29 | Preceding wall sound-isolation pad and the vehicle with it in vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821608142.6U CN208931263U (en) | 2018-09-29 | 2018-09-29 | Preceding wall sound-isolation pad and the vehicle with it in vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208931263U true CN208931263U (en) | 2019-06-04 |
Family
ID=66723288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821608142.6U Expired - Fee Related CN208931263U (en) | 2018-09-29 | 2018-09-29 | Preceding wall sound-isolation pad and the vehicle with it in vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208931263U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111196225A (en) * | 2020-01-08 | 2020-05-26 | 佩尔哲汽车内饰系统(太仓)有限公司 | Automobile front wall sound insulation pad and test method thereof |
| CN112319396A (en) * | 2020-11-27 | 2021-02-05 | 安徽江淮汽车集团股份有限公司 | Enclose sound insulation pad subassembly and car before in car |
-
2018
- 2018-09-29 CN CN201821608142.6U patent/CN208931263U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111196225A (en) * | 2020-01-08 | 2020-05-26 | 佩尔哲汽车内饰系统(太仓)有限公司 | Automobile front wall sound insulation pad and test method thereof |
| CN112319396A (en) * | 2020-11-27 | 2021-02-05 | 安徽江淮汽车集团股份有限公司 | Enclose sound insulation pad subassembly and car before in car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20210929 |