CN218906543U

CN218906543U - Heat-insulating sound-absorbing damping pad for automobile

Info

Publication number: CN218906543U
Application number: CN202222578371.0U
Authority: CN
Inventors: 张燕燕; 乔俊光; 张希功
Original assignee: Liaocheng Zhuoqun Auto Parts Co ltd
Current assignee: Liaocheng Zhuoqun Auto Parts Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-04-25
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses a heat-insulating sound-absorbing damping pad for an automobile, which belongs to the technical field of heat-insulating sound-absorbing damping pads for automobiles and particularly comprises a pad body, wherein the pad body consists of a glass fiber layer, a deodorizing layer, a damping layer, a heat-insulating layer, a first sound-absorbing cotton layer, a sound-absorbing layer and a second sound-absorbing cotton layer, the top surface of the glass fiber layer is provided with a non-woven fabric layer, a vacuum cavity is formed in the damping layer, rubber bumps are lined on the upper side and the lower side in the vacuum cavity, and the sound-absorbing layer is internally provided with a sound-absorbing cavity; according to the utility model, through the glass fiber layer, the deodorizing layer, the damping layer, the heat insulation layer, the first sound absorption cotton layer, the sound absorption layer and the second sound absorption cotton layer, the air quality in the vehicle can be improved, the low-frequency vibration noise generated by excitation of the metal plate of the vehicle body can be restrained, the damping and vibration reduction effects are good, and the good sound insulation effect and heat insulation effect are provided.

Description

Heat-insulating sound-absorbing damping pad for automobile

Technical Field

The utility model belongs to the technical field of heat-insulating sound-absorbing damping gaskets for automobiles, and particularly relates to a heat-insulating sound-absorbing damping gasket for automobiles.

Background

The parts of the front wall, the floor channel, the lower part of the seat, the trunk, the inside of the wheel cover and the like are all required to be provided with gaskets, so that the effects of sound insulation, sound absorption, heat insulation and the like are achieved. These gaskets are typically located between the metal parts and the interior trim of the automobile, such as between the metal floor and the carpet, between the metal dash panel and the foot pad, between the metal panel and the wheel fenders, etc., to block noise from the engine, wheels, etc. while the automobile is running, and to further isolate heat transferred from the engine. The better the sound insulation and absorption of these liners, the better the NVH characteristics of the car, and the more comfortable the car will be to ride.

The environment-friendly sound-insulation and sound-absorption automobile gasket disclosed by the utility model with the authority publication number of CN216443245U has the effects of noise reduction and sound insulation, is beneficial to improving the driving experience of a user, adopts environment-friendly materials, can reduce odor emission and improve the air quality in the automobile, but does not have the effects of damping vibration attenuation and heat insulation, so that the development of the heat-insulation and sound-absorption damping gasket for the automobile is a key for solving the problem.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a heat-insulating sound-absorbing damping pad for an automobile, which has the characteristics of heat insulation, sound absorption, damping and shock absorption.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a thermal-insulated sound damping pad that inhales for car, includes the pad body, and the pad body is by glass fiber layer, remove flavor layer, damping layer, insulating layer, first sound cotton layer of inhaling, inhale sound layer and the cotton layer of second sound of inhaling is constituteed, glass fiber layer's surface has connected gradually flavor layer, damping layer, insulating layer, first sound cotton layer of inhaling, inhale sound layer and the cotton layer of second sound of inhaling, and glass fiber layer's top surface is equipped with the non-woven fabrics layer, and damping layer inside is equipped with the vacuum chamber, and the upper and lower both sides in the vacuum chamber all are equipped with the rubber lug to the lining, inhale the inside sound chamber that is equipped with of sound layer.

Preferably, the deodorizing layer is an activated carbon layer.

Preferably, the first sound-absorbing cotton layer and the second sound-absorbing cotton layer are formed by foaming EPDM rubber, and a plurality of foaming holes are formed in the first sound-absorbing cotton layer and the second sound-absorbing cotton layer.

Preferably, the insulating layer is made of butyl rubber material.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the glass fiber layer, the deodorizing layer, the damping layer, the heat insulation layer, the first sound absorption cotton layer, the sound absorption layer and the second sound absorption cotton layer, the air quality in the vehicle can be improved, the low-frequency vibration noise generated by excitation of the metal plate of the vehicle body can be restrained, the damping and vibration reduction effects are good, and the good sound insulation effect and heat insulation effect are provided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the enlarged partial view of FIG. 1A according to the present utility model;

in the figure: 1. a glass fiber layer; 2. a deodorizing layer; 3. a damping layer; 4. a thermal insulation layer; 5. a first sound-absorbing cotton layer; 6. a sound absorbing layer; 7. a second sound-absorbing cotton layer; 8. a non-woven fabric layer; 9. a vacuum chamber; 10. rubber bumps.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-2, the present embodiment provides the following technical solutions: the heat-insulating and sound-absorbing damping pad for the automobile comprises a pad body, wherein the pad body is composed of a glass fiber layer 1, a deodorizing layer 2, a damping layer 3, a heat-insulating layer 4, a first sound-absorbing cotton layer 5, a sound-absorbing layer 6 and a second sound-absorbing cotton layer 7, the deodorizing layer 2, the damping layer 3, the heat-insulating layer 4, the first sound-absorbing cotton layer 5, the sound-absorbing layer 6 and the second sound-absorbing cotton layer 7 are sequentially connected to the surface of the glass fiber layer 1, the damping layer 3, the heat-insulating layer 4, the first sound-absorbing cotton layer 5, the sound-absorbing layer 6 and the second sound-absorbing cotton layer 7, the glass fiber layer 1, the deodorizing layer 2, the damping layer 3, the heat-insulating layer 4, the first sound-absorbing cotton layer 5, the sound-absorbing layer 6 and the second sound-absorbing cotton layer 7 are integrally formed, a vacuum cavity 9 is formed in the damping layer 3, rubber bumps 10 are respectively arranged on the upper side and the lower side in the vacuum cavity 9, the sound-absorbing cavity 6 is internally provided with a sound-absorbing cavity, the air quality in the automobile can be improved, the excitation noise can be restrained, the excitation noise can be generated, the excitation panel metal can be well, the vibration-insulating and the vibration-insulating effect can be well,

the surface of the top end of the glass fiber layer 1 is adhered with a non-woven fabric layer 8, and the non-woven fabric has the characteristics of moisture resistance, ventilation, flexibility, light weight, flame retardance, no toxicity, no smell, low price, recycling and the like.

The deodorizing layer 2 is an active carbon layer.

The first sound-absorbing cotton layer 5 and the second sound-absorbing cotton layer 7 are formed by foaming EPDM rubber, a plurality of foaming holes are formed in the first sound-absorbing cotton layer, the foaming holes are hollow, sound enters the foaming holes, air friction vibration is absorbed in the foaming holes, noise is reduced, the expanded polytetrafluoroethylene layer 4 is made of a material with a large number of mutually communicated micropores from the surface to the inside, and the sound can be well consumed by the microporous sound-absorbing material.

The heat insulating layer 4 is made of butyl rubber material, has good air tightness, heat resistance, ozone resistance, aging resistance, chemical resistance, shock absorption and electric insulation.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a heat-insulating sound damping pad of inhaling for car which characterized in that: including the liner body, the liner body is by glass fiber layer (1), remove flavor layer (2), damping layer (3), insulating layer (4), first inhale cotton layer (5), inhale cotton layer (6) and the second inhale cotton layer (7) and constitute, glass fiber layer (1)'s surface has connected gradually flavor layer (2), damping layer (3), insulating layer (4), first inhale cotton layer (5), inhale cotton layer (6) and the second inhale cotton layer (7) of sound, glass fiber layer (1)'s top surface is equipped with non-woven fabrics layer (8), damping layer (3) inside is equipped with vacuum chamber (9), all is equipped with rubber lug (10) to the lining in the upper and lower both sides in vacuum chamber (9), inhale the inside sound chamber that is equipped with of sound layer (6).

2. The thermal insulation and sound absorption damping mat for an automobile of claim 1, wherein: the deodorizing layer (2) is an active carbon layer.

3. The thermal insulation and sound absorption damping mat for an automobile of claim 1, wherein: the first sound-absorbing cotton layer (5) and the second sound-absorbing cotton layer (7) are formed by foaming EPDM rubber, and a plurality of foaming holes are formed in the first sound-absorbing cotton layer and the second sound-absorbing cotton layer.

4. The thermal insulation and sound absorption damping mat for an automobile of claim 1, wherein: the heat insulation layer (4) is made of butyl rubber material.