CN217575082U

CN217575082U - Automobile sound insulation pad with composite structure

Info

Publication number: CN217575082U
Application number: CN202221395683.1U
Authority: CN
Inventors: 周振华
Original assignee: Kunshan Jiuzilian Automobile Sound Insulation Material Co ltd
Current assignee: Kunshan Jiuzilian Automobile Sound Insulation Material Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-10-14
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a composite construction's car gives sound insulation and fills up, including the sound insulation pad body, the surface bonding of sound insulation pad body has the sound absorbing layer, and the sound absorbing layer is including inhaling cotton layer, sound insulation damping felt layer and sound insulation blanket layer of sound, and the surface coating on sound absorbing layer has antifouling layer, and antifouling layer includes polyurethane coating, superfine fiber layer and sea wool layer. The utility model discloses a polyurethane coating, the setting of superfine fiber layer and sea wool layer, reach antifouling purpose, avoid the sound insulation pad body to be polluted by external factor at the in-process that uses, the cleanliness factor of sound insulation pad body has been improved greatly, through inhaling the cotton layer of sound, the setting on sound insulation damping felt layer and sound insulation blanket layer, greatly increased the syllable-dividing effect of sound insulation pad body, build a quiet car inner space for the user, it does not possess antifouling function to have solved current sound insulation pad, the surface of sound insulation pad is very easily infected with the dust in the in-process that uses, influence the pleasing to the eye of sound insulation pad, the problem of the cleanliness factor of sound insulation pad has also been reduced simultaneously.

Description

Automobile sound insulation pad with composite structure

Technical Field

The utility model relates to a car gives sound insulation and fills up technical field, specifically is a composite construction's car gives sound insulation and fills up.

Background

Automobile sound insulation pad generally is used for engine compartment and passenger cabin in, play and inhale sound and syllable-dividing effect, in the modern automobile industry more and more pursuit high performance, the era of lightweight and safe environmental protection, people except that the higher requirement is proposed to the safety of car and quality, attach importance to the travelling comfort of driving more, especially also more and more high to the requirement of car parts, current sound insulation pad does not possess antifouling function, the surface of sound insulation pad is very easily infected with the dust in the in-process of using, influence the pleasing to the eye of sound insulation pad, the cleanliness factor of sound insulation pad has also been reduced simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a composite construction's car gives sound insulation and fills up possesses antifouling advantage, has solved current sound insulation and has filled up and do not possess antifouling function, and the surface of sound insulation pad is very easily infected with the dust in the in-process that uses, influences the pleasing to the eye of sound insulation pad, has also reduced the problem of the cleanliness factor of sound insulation pad simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a composite construction's car gives sound insulation and fills up, includes the sound insulation pad body, the surface bonding of sound insulation pad body has the sound absorbing layer, the sound absorbing layer is including inhaling cotton layer, sound insulation damping felt layer and sound insulation blanket layer, the surface coating on sound absorbing layer has antifouling layer, antifouling layer includes polyurethane coating, superfine fiber layer and sea wool layer.

Preferably, the sound absorption cotton layer, the sound insulation damping felt layer and the sound insulation blanket layer have the same thickness, and the thickness is 0.2mm-0.3mm.

Preferably, the inner surface of the sound-proof carpet layer is wrapped on the outer surface of the sound-proof damping felt layer, and the inner surface of the sound-proof damping felt layer is wrapped on the outer surface of the sound-absorbing cotton layer.

Preferably, the thicknesses of the polyurethane coating, the superfine fiber layer and the sea wool layer are consistent, and the thickness is 0.4mm-0.5mm.

Preferably, the inner surface of the sea-wool layer is wrapped on the outer surface of the superfine fiber layer, and the inner surface of the superfine fiber layer is wrapped on the outer surface of the polyurethane coating.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a polyurethane coating, the setting of superfine fiber layer and sea wool layer, reach antifouling purpose, avoid the sound insulation pad body to be polluted by external factor at the in-process that uses, the cleanliness factor of sound insulation pad body has been improved greatly, through inhaling the cotton layer of sound, the setting on sound insulation damping felt layer and sound insulation blanket layer, greatly increased the syllable-dividing effect of sound insulation pad body, build a quiet car inner space for the user, it does not possess antifouling function to have solved current sound insulation pad, the surface of sound insulation pad is very easily infected with the dust in the in-process that uses, influence the pleasing to the eye of sound insulation pad, the problem of the cleanliness factor of sound insulation pad has also been reduced simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the sound-insulating pad body of the present invention;

FIG. 3 is a perspective view of the sound absorbing layer of the present invention;

fig. 4 is a perspective view of the antifouling layer of the present invention.

In the figure: 1. a sound insulating pad body; 2. a sound absorbing layer; 21. a sound absorbing cotton layer; 22. a sound-insulating damping felt layer; 23. a sound insulating blanket layer; 3. an antifouling layer; 31. a polyurethane coating; 32. a microfiber layer; 33. a sea-hair layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an automobile sound insulation pad with a composite structure comprises a sound insulation pad body 1, wherein a sound absorption layer 2 is bonded on the surface of the sound insulation pad body 1, the sound absorption layer 2 comprises a sound absorption cotton layer 21, a sound insulation damping felt layer 22 and a sound insulation blanket layer 23, an antifouling layer 3 is wrapped on the surface of the sound absorption layer 2, and the antifouling layer 3 comprises a polyurethane coating 31, a superfine fiber layer 32 and a sea wool layer 33.

The sound absorption cotton layer 21, the sound insulation damping felt layer 22 and the sound insulation blanket layer 23 have the same thickness, and the thickness is 0.2mm-0.3mm.

The inner surface of the sound-proof felt layer 23 is wrapped on the outer surface of the sound-proof damping felt layer 22, and the inner surface of the sound-proof damping felt layer 22 is wrapped on the outer surface of the sound-absorbing cotton layer 21.

The thicknesses of the polyurethane coating 31, the superfine fiber layer 32 and the sea wool layer 33 are consistent, and the thickness is 0.4mm-0.5mm.

The inner surface of the sea-wool layer 33 is wrapped on the outer surface of the superfine fiber layer 32, and the inner surface of the superfine fiber layer 32 is wrapped on the outer surface of the polyurethane coating 31.

During the use, through polyurethane coating 31, superfine fiber layer 32 and sea wool layer 33's setting, reach antifouling purpose, avoid sound insulation pad body 1 to be polluted by external factor at the in-process that uses, the cleanliness factor of sound insulation pad body 1 has been improved greatly, through inhaling cotton layer 21, the setting of sound insulation damping felt layer 22 and sound insulation blanket layer 23, greatly increased sound insulation pad body 1's syllable-dividing effect, build a quiet interior space of car for the user, it does not possess antifouling function to have solved current sound insulation pad, the surface of sound insulation pad is very easily infected with the dust in the in-process of using, influence sound insulation pad's pleasing to the eye, the problem of sound insulation pad's cleanliness factor has also been reduced simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a composite construction's car gives sound insulation and fills up, includes and gives sound insulation and fills up body (1), its characterized in that: the surface bonding of sound insulating pad body (1) has sound absorbing layer (2), sound absorbing layer (2) are including inhaling sound cotton layer (21), sound insulation damping felt layer (22) and sound insulation blanket layer (23), the surface parcel of sound absorbing layer (2) has antifouling layer (3), antifouling layer (3) include polyurethane coating (31), superfine fiber layer (32) and sea hair layer (33).

2. The composite automotive acoustic insulator mat as set forth in claim 1, wherein: the sound absorption cotton layer (21), the sound insulation damping felt layer (22) and the sound insulation blanket layer (23) are consistent in thickness and 0.2mm-0.3mm in thickness.

3. The composite automotive acoustic insulator mat as set forth in claim 1, wherein: the inner surface of the sound-proof blanket layer (23) is wrapped on the outer surface of the sound-proof damping felt layer (22), and the inner surface of the sound-proof damping felt layer (22) is wrapped on the outer surface of the sound-absorbing cotton layer (21).

4. The composite structural automotive acoustic insulator mat as set forth in claim 1, wherein: the polyurethane coating (31), the superfine fiber layer (32) and the sea wool layer (33) are consistent in thickness, and the thickness is 0.4mm-0.5mm.

5. The composite structural automotive acoustic insulator mat as set forth in claim 1, wherein: the inner surface of the sea wool layer (33) is wrapped on the outer surface of the superfine fiber layer (32), and the inner surface of the superfine fiber layer (32) is wrapped on the outer surface of the polyurethane coating (31).