CN207140490U - Complex sound insulation pad, sound-and-fire proof wall and auto sound floor - Google Patents
Complex sound insulation pad, sound-and-fire proof wall and auto sound floor Download PDFInfo
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- CN207140490U CN207140490U CN201720989491.6U CN201720989491U CN207140490U CN 207140490 U CN207140490 U CN 207140490U CN 201720989491 U CN201720989491 U CN 201720989491U CN 207140490 U CN207140490 U CN 207140490U
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Abstract
The utility model discloses complex sound insulation pad, sound-and-fire proof wall and auto sound floor, belong to sound arrester technical field, including sound panel, the upper surface of sound panel is compounded with the first abatvoix, the lower surface of sound panel is compounded with the second abatvoix, sound panel is clamped between the first abatvoix and the second abatvoix, there is provided a kind of in light weight and make up composite sound insulation pad of the sound insulating pad in low frequency performance defect.
Description
Technical field
The utility model belongs to sound arrester technical field, more particularly, to a kind of complex sound insulation pad, sound-and-fire proof wall and
Auto sound floor.
Background technology
At present, the traditional sound insulating pad used on automobile is mainly made up of puigging (such as EVA, PVC, rubber etc.),
One layer of sound absorbing layer (such as polyurethane foam, regeneration blanket, PET etc.) would generally be pasted again on puigging.Traditional puigging
Would generally be that the fine and close re-coating layer of last layer is applied on base material, the density of this puigging is larger, manufactured pts wt also compared with
Greatly, all do not have advantage for complete vehicle weight, installation and transport.Traditional puigging mainly using realize soundproof effect as
It is main, but because the leakage to sound of perforate, trimming and area coverage of material has a great influence, therefore, with other parts
The design requirement of matched interface is very high.Sound absorbing layer main function in traditional sound insulating pad is to absorb noise, usually by sending out
Foam material and fibrous material are made, but the contribution that material is absorbed in low-frequency noise in vehicle is limited.
Utility model content
The utility model purpose is exactly a kind of in light weight and more in order to be provided the defects of overcoming above-mentioned prior art to exist
Mend the composite sound insulation pad in low frequency performance defect.
The technical solution of the utility model is as follows：
A kind of complex sound insulation pad, including sound panel, the upper surface of sound panel are compounded with the first abatvoix, the following table of sound panel
Face is compounded with the second abatvoix, and sound panel is clamped between the first abatvoix and the second abatvoix.
Preferably, it is compound using hot pressing between sound panel and the first abatvoix and the second abatvoix.
Preferably, the density of sound panel is 0.025-3.0kg/m2。
Preferably, the material of the first abatvoix and the second abatvoix is that fibrofelt or PU are removed from office.
Preferably, the material of sound panel is EVA or EPDM.
Preferably, sound panel is PE films, EAA films or PE-PA-PE films.
Preferably, the thickness of the first abatvoix is 5-10mm, and the thickness of sound panel is 0.5-3.0mm, the second abatvoix
Thickness is 5-30mm.
A kind of sound-and-fire proof wall, complex sound insulation pad is embedded with the fire wall body.
Preferably, the fire wall body is arranged on the lower section of automobile instrument panel.
A kind of auto sound floor, including flooring base, in addition to complex sound insulation pad, first abatvoix or described
Two abatvoixs are bonded the surface with the flooring base.
The beneficial effects of the utility model are：
The utility model provides a kind of complex sound insulation pad, sound-and-fire proof wall and auto sound floor, and it is a kind of three layers
The sound insulating pad of material structure, centre are sound panels, and the upper and lower surface hot pressing of sound panel is compounded with the first abatvoix and
Two abatvoixs.Density of the complex sound insulation pad than reducing acoustic material on the basis of original traditional sound insulating pad, is significantly decreased
The weight of sound insulating pad, but simultaneously the sound insulation value of sound insulating pad also reduces, therefore, the utility model increases again in structure
One layer of sound-absorbing material compensates the sound insulation value of this partial loss.Therefore, sound insulating pad provided by the utility model remain every
Sound-absorbing layer, avoid weakness of the sound insulating pad in low frequency.
Sound insulating pad in the utility model mainly density compared with traditional sound insulating pad reduces.It is traditional in material type
Acoustic material is mainly EVA, PVC, rubber, and acoustic material of the present utility model is in addition to traditional acoustic material type,
Also introduce PE, EAA, PE-PA-PE membrane structure acoustic material type, greatly reduce the density and weight of acoustic material.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation that the utility model is applied to sound-and-fire proof wall；
Fig. 3 is the structural representation that the utility model is applied to auto sound floor；
Wherein, 1, sound panel, the 2, first abatvoix, the 3, second abatvoix.
Embodiment
The utility model is described in further details below：
A kind of complex sound insulation pad that the utility model is related to includes the sound panel 1 of centre, and the upper surface of sound panel 1 is compound
There is the first abatvoix 2, the lower surface of sound panel 1 is compounded with the second abatvoix 3, and sound panel 1 is clamped to the first abatvoix 2 and
Between two abatvoixs 3.Therefore, densification need not be applied on the surface of sound panel 1 using complex sound insulation pad of the present utility model
Re-coating layer, it is possible to realize effect in light weight, that sound insulation value is good.
According to NVH soundproof principle, for the noise source of identical decibel, the surface density of acoustic material is bigger, can be every falling
Noise it is also bigger.Therefore for same noise source, the surface density of acoustic material is bigger, it is more every the noise fallen；Phase
Instead, the surface density of acoustic material is lower, every the noise fallen with regard to smaller.Sound insulating pad and traditional sound insulating pad phase in the utility model
Than being mainly that density reduces.Traditional acoustic material is mainly EVA, PVC, rubber in material type, and of the present utility model
Acoustic material also introduces the acoustic material type of film, greatly reduces sound insulation material in addition to traditional acoustic material type
The density and weight of material.
Complex sound insulation pad is the density that acoustic material is reduced on the basis of original traditional sound insulating pad, general tradition every
The density of sound material is 5.0-7.0kg/m2, and the density of the sound panel 1 of complex sound insulation pad provided by the utility model be
0.5-3.0kg/m2Between.In the case that the sound panel 1 in intermediate layer is film, the density of sound panel 1 can descend to
0.025kg/m2.The weight of sound insulating pad can be so significantly decreased, but the sound insulation value of sound insulating pad also reduces simultaneously, because
We need to be further added by one layer of sound-absorbing material to compensate the sound insulation value of this partial loss for this.Complex sound insulation in the utility model
Pad is due to still remaining puigging, therefore it also avoid weakness of the sound insulating pad in low frequency.
First abatvoix 2 of complex sound insulation pad and the material of the second abatvoix 3 are that fibrofelt or PU are removed from office, middle sound panel
1 material is EVA, film or EPDM, and the material of film has many kinds, can mainly reach and bond compound two layers of fibrous material and can
To play deadening as one layer of dense material, mainly there are PE, EAA, PE-PA-PE etc. at present.
Fibrofelt in sound panel 1 is to mix polyester staple fiber with low-melting point PET fiber to be made into net, and height is formed through acupuncture
Fluff material, then through compound, compression molding.The thickness of the first abatvoix 2 of upper surface is 5-10mm, the middle thickness of sound panel 1
For 0.5-3.0mm, the thickness of sound panel 1 can be further reduced if the sound panel 1 of centre is membrane material, lower surface
The thickness of second abatvoix 3 is 5-30mm, and its thickness can design according to the actual conditions of peripheral component in actual use.
A kind of complex sound insulation pad of the present utility model is given as shown in Figure 1, includes three-decker, and wherein intermediate layer is
Sound panel 1, the upper surface of sound panel 1 is the first abatvoix 2, and lower surface is the second abatvoix 3, the first abatvoix 2 and sound panel 1
And between the abatvoix 3 of sound panel 1 and second by modes such as hot pressing, adhesives in succession, it is of course possible to by setting adhesive layer
It is attached.It should be noted that the sound panel 1 and abatvoix in sound insulating pad are not limited to set the number of plies, can increase as needed
If puigging.Number of plies setting is more, and the resonance of air can be caused when sound wave passes through, effectively consumes acoustic wave energy so that every
The effect of sound noise reduction is more preferable.
Complex sound insulation pad of the present utility model has three-dimensional fibre structure, the resilience suitable with flexible polyurethane bipeltate
Performance, and it is in light weight, vertical networking material weight only has flexible polyurethane bipeltate under conditions of identical sound insulation value
The 60% of 50% or common non-woven material；Again, the complex sound insulation pad in the utility model can also be installed to sound-and-fire proof
In the wall of wall, as shown in Figure 2, strengthen performance of the fire wall on soundproof effect.
Sound-and-fire proof wall provided by the utility model can also be applied on the sound-and-fire proof wall under automobile instrument panel, section
Can environmental protection；In addition, auto sound fire wall has flame retardant effect, it is possible to reduce the fire retardant additionally added, and have well
Strainability, dust containing capacity is big, service life length.
As shown in figure 3, auto sound floor of the present utility model has good sound insulation and noise reduction performance, people is fully met
Requirement for floor sound insulation.
The utility model is illustrated above in association with embodiment, these embodiments are only example
Property, it is impossible to the protection domain of the utility model is limited with this.Those skilled in the art are not departing from the utility model in essence
Under the premise of can carry out various modifications, change or replacement.Therefore, the various equivalent variations done according to the utility model, still belong to
In the scope that the utility model is covered.
Claims (10)
- A kind of 1. complex sound insulation pad, it is characterised in that：Including sound panel (1), the upper surface of sound panel (1) is compounded with the first sound-absorbing Plate (2), the lower surface of sound panel (1) are compounded with the second abatvoix (3), and sound panel (1) is clamped to the first abatvoix (2) and Between two abatvoixs (3).
- 2. complex sound insulation pad according to claim 1, it is characterised in that：Sound panel (1) and the first abatvoix (2) and second It is compound using hot pressing between abatvoix (3).
- 3. complex sound insulation pad according to claim 2, it is characterised in that：The density of sound panel (2) is 0.025-3.0kg/ m2。
- 4. complex sound insulation pad according to claim 2, it is characterised in that：First abatvoix (2) and the second abatvoix (3) Material is that fibrofelt or PU are removed from office.
- A kind of 5. complex sound insulation pad according to claim 4, it is characterised in that：The material of sound panel (1) be EVA or EPDM。
- 6. complex sound insulation pad according to claim 1, it is characterised in that：Sound panel (1) is PE films, EAA films or PE-PA- PE films.
- 7. according to the complex sound insulation pad described in claim any one of 1-6, it is characterised in that：The thickness of first abatvoix (2) is 5-10mm, the thickness of sound panel (1) is 0.5-3.0mm, and the thickness of the second abatvoix (3) is 5-30mm.
- 8. a kind of sound-and-fire proof wall, including fire wall body, it is characterised in that：Being embedded in the fire wall body will just like right Seek the complex sound insulation pad described in any one of 1-7.
- 9. sound-and-fire proof wall according to claim 8, it is characterised in that：The fire wall body is arranged on automobile instrument panel Lower section.
- 10. a kind of auto sound floor, including flooring base, it is characterised in that：Also include as described in claim any one of 1-7 Complex sound insulation pad, first abatvoix (2) or second abatvoix (3) fit in the surface of the flooring base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720989491.6U CN207140490U (en) | 2017-08-09 | 2017-08-09 | Complex sound insulation pad, sound-and-fire proof wall and auto sound floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720989491.6U CN207140490U (en) | 2017-08-09 | 2017-08-09 | Complex sound insulation pad, sound-and-fire proof wall and auto sound floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207140490U true CN207140490U (en) | 2018-03-27 |
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ID=61674747
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720989491.6U Active CN207140490U (en) | 2017-08-09 | 2017-08-09 | Complex sound insulation pad, sound-and-fire proof wall and auto sound floor |
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| CN (1) | CN207140490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246554A (en) * | 2021-06-23 | 2021-08-13 | 智己汽车科技有限公司 | Sound absorption and insulation material with multilayer composite structure |
-
2017
- 2017-08-09 CN CN201720989491.6U patent/CN207140490U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246554A (en) * | 2021-06-23 | 2021-08-13 | 智己汽车科技有限公司 | Sound absorption and insulation material with multilayer composite structure |
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