CN214354741U

CN214354741U - Sound-proof vibration-proof pad for automobile

Info

Publication number: CN214354741U
Application number: CN202120063381.3U
Authority: CN
Inventors: 石阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-10-08
Anticipated expiration: 2031-01-12

Abstract

The utility model relates to a car sound insulation ends pad that shakes, include: the surface layer is bonded with the GEL transparent GEL sound insulation layer; the GEL transparent GEL is a polyurethane elastomer material and has the functions of shock absorption and sound insulation; through the honeycomb deconstruction design of the back layer of the GEL transparent GEL layer, resonance standing waves can be better eliminated, and the low-frequency resonance noise is greatly inhibited; the aluminum foil film arranged on the surface layer can effectively insulate heat; the superficial layer sets up glass fiber cloth or carbon cloth and can effectively be fire-retardant, the technical scheme of the utility model compare prior art and adopt butyl rubber sound insulation more environmental protection.

Description

Sound-proof vibration-proof pad for automobile

Technical Field

The utility model belongs to the technical field of auto-parts technique and specifically relates to a car sound insulation pad that only shakes.

Background

The automobile industry is rapidly developed, people have high requirements on the automobile comfort, noise is an important standard influencing driving experience, the automobile noise has more sources, including vibration of an engine and friction between tires and the ground, and one of the main methods for reducing vibration and reducing noise is to paste sound insulation materials such as sound insulation sheets and the like on parts such as automobile bodies and doors; the existing sound-proof sheet mainly comprises three layers of structures: from type paper, damping layer, aluminium foil, like the scheme that utility model CN 206394574U mentioned, wherein the damping layer generally adopts butyl rubber, and environmental protection performance is poor, and the aluminium foil has pleasing to the eye, high temperature resistance performance, nevertheless its itself for metal and automobile body collision and its resonance characteristic make it become potential noise source, can not satisfy high standard syllable-dividing demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an environmental protection, give sound insulation and vibration proof better car sound insulation pad that only shakes of effect.

In order to achieve the above object, the present invention provides a technical solution: an automotive sound and vibration damping pad comprising: the surface layer is bonded with the GEL transparent GEL sound insulation layer.

Further, the surface layer includes a flame retardant layer.

Furthermore, the flame-retardant layer is glass fiber cloth or carbon fiber cloth.

Further, the surface layer comprises a thermal insulation layer.

Furthermore, the heat insulation layer is an aluminum foil film.

Further, the GEL transparent GEL sound insulation layer is arranged in a honeycomb structure on the side, away from the surface layer.

Further, the thickness of the GEL transparent GEL sound insulation layer is 1-10 mm.

Further, the side of the surface layer, which is far away from the GEL transparent GEL sound insulation layer, is provided with an EVA material layer.

Further, the EVA material layer is bonded with the surface layer (100) through an adhesive.

Further, one side of the GEL transparent GEL sound-proof layer, which is far away from the surface layer, is provided with a release film layer.

The beneficial effects of the utility model reside in that: the GEL transparent GEL is a polyurethane elastomer material and has the functions of shock absorption and sound insulation; through the honeycomb deconstruction design of the back layer of the GEL transparent GEL layer, resonance standing waves can be better eliminated, and the low-frequency resonance noise is greatly inhibited; the aluminum foil film arranged on the surface layer can effectively insulate heat; the superficial layer sets up glass fiber cloth or carbon cloth and can effectively be fire-retardant, the technical scheme of the utility model compare prior art and adopt butyl rubber sound insulation more environmental protection.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic diagram of a surface layer structure according to an embodiment of the present invention.

In the figure, a surface layer 100, a flame retardant layer 110, a thermal insulation layer 120; GEL transparent GEL sound barrier 200; a release film layer 300.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the following description, with reference to the accompanying drawings and embodiments, is a further detailed description of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Please refer to fig. 1, in the embodiment provided by the present invention, the sound-proof and vibration-proof pad for automobile mainly comprises a surface layer 100 and a GEL sound-proof layer 200, the surface layer 100 is bonded to the GEL sound-proof layer 200, the GEL is a polyurethane elastomer material, which has the functions of shock absorption and sound insulation, and is more environment-friendly and nontoxic compared with the GEL on the market, and has good resilience, hand feeling, no color, no smell, and transparency.

Referring to fig. 2, in an embodiment of the present invention, the surface layer 100 includes a flame retardant layer 110, the flame retardant layer is disposed to be flame retardant effectively, so as to protect the safety of the driver in the automobile, the flame retardant layer 110 may be glass fiber cloth or carbon fiber cloth, or a mixed product of glass fiber cloth and carbon fiber cloth, and of course, the flame retardant layer 110 may also be other flame retardant materials, which is not limited herein.

Referring to fig. 2, in one embodiment of the present invention, the surface layer 100 includes a thermal insulation layer 120, so that the thermal insulation layer can effectively insulate heat, especially in hot summer, and reduce the amount of heat transferred from the outside to the inside of the vehicle; the heat insulating layer 120 is preferably an aluminum foil film, which has excellent heat dissipation effect, and other heat insulating materials may be selected for the heat insulating layer 120, which is not limited herein.

Referring to fig. 2, it should be noted that the surface layer 100 may also include a flame retardant layer 110 and a thermal insulation layer 120, the flame retardant layer 110 and the thermal insulation layer 120 are bonded together by adhesive, and the thermal insulation layer 120 is bonded to the GEL transparent GEL sound insulation layer 200.

Referring to fig. 1, in an embodiment of the present invention, the GEL transparent GEL sound insulation layer 200 is disposed away from the honeycomb structure of the surface layer 100, so as to better eliminate the resonance standing wave and greatly suppress the low frequency resonance noise; preferably, the GEL transparent GEL acoustic barrier 200 has a thickness of 1-10 mm.

It should be noted that the GEL transparent GEL sound insulation layer 200 may be disposed in a single layer or in multiple layers (two or more layers), for example, the GEL transparent GEL sound insulation layer 200 may be disposed in two layers, each layer is a honeycomb structure, and the two layers of honeycomb structures may be disposed in opposite directions or in the same direction.

The utility model discloses an in the embodiment, can set up the EVA material layer in the one side that superficial layer 100 deviates from GEL transparent GEL puigging 200, this EVA material layer has the function of absorbing differentiation noise, can constitute another kind of system shake, fall the combined material who makes an uproar and have the silence function through adding the EVA material layer on original superficial layer 100.

Please refer to fig. 1, in an embodiment of the present invention, one side of the GEL transparent sound insulation layer 200 departing from the surface layer 100 is pasted with a release film layer 300, the release film layer can be PE release film, PET fluorine release film, OPP release film, composite release film, preferably PET fluorine release film, PET fluorine release film has the advantages of controllable release force, high gloss, high cleanliness, 94% of residual adhesion, fluorine release film has good surface properties, good uv aging resistance, chemical corrosion resistance, and solvent permeation resistance.

Certainly, a waterproof layer can be arranged on one side of the GEL transparent GEL sound-insulating layer 200, which is far away from the surface layer 100, according to the needs, the waterproof layer can play a role in waterproofing, and is preferably a water-absorbing resin layer, the water-absorbing resin is sodium polyacrylate, and the sodium polyacrylate can absorb water which is hundreds of times to thousands of times of the self weight, and is non-toxic, harmless and pollution-free; the water-absorbing capacity is extremely high, the water-retaining capacity is extremely high, the high molecular weight polymer obtained by acrylic acid polymerization → high water-retaining capacity, the balance of the absorption capacity under high load, the absorbed water cannot be squeezed out by a simple physical method, and water can be released and absorbed repeatedly.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a car sound insulation ends pad that shakes which characterized in that includes: a surface layer (100) and a GEL transparent GEL sound insulation layer (200), wherein the surface layer (100) is bonded with the GEL transparent GEL sound insulation layer (200); the surface layer (100) comprises a flame retardant layer (110).

2. The automobile sound-insulation vibration-damping pad as claimed in claim 1, wherein the flame-retardant layer is glass fiber cloth or carbon fiber cloth.

3. The sound-insulating and vibration-damping pad for automobile as claimed in claim 1, wherein said surface layer (100) comprises a thermal insulation layer (120).

4. The automobile sound-insulation vibration-damping pad as claimed in claim 3, wherein the heat-insulation layer is an aluminum foil film.

5. The automotive sound and vibration insulation pad according to claim 1, characterized in that the GEL transparent GEL sound insulation layer (200) is arranged away from the honeycomb structure on the side of the surface layer (100).

6. The automotive sound-insulating and vibration-stopping mat as claimed in claim 5, wherein the GEL transparent GEL sound-insulating layer (200) has a thickness of 1-10 mm.

7. The sound-insulating and vibration-damping pad for automobile as claimed in claim 1, wherein the side of said surface layer (100) facing away from said GEL transparent GEL sound-insulating layer (200) is provided with a layer of EVA material.

8. The automobile sound-insulation vibration-damping pad as claimed in claim 7, wherein said EVA material layer is adhesively bonded to said surface layer (100) by an adhesive.

9. The automotive sound and vibration insulation pad according to claim 1, characterized in that the GEL transparent sound insulation layer (200) is provided with a release film layer (300) on the side facing away from the surface layer (100).