CN220827356U - High sound insulation type foaming sponge structure - Google Patents

Abstract

The utility model discloses a high sound insulation type foaming sponge structure, which comprises a sponge body and a plurality of sound absorption blocks arranged on the surface of the sponge body, wherein a sound absorption layer is arranged in the sponge body, the sound absorption layer comprises a plurality of sound absorption cavities arranged in the sponge body, sound absorption films are adhered to the inner wall of each sound absorption cavity, the sound absorption films are polyurethane sound absorption films, and a cross-type buffer pad is arranged between every two sound absorption cavities.

Description

High sound insulation type foaming sponge structure

Technical Field

The utility model relates to a sponge structure, in particular to a high sound insulation type foaming sponge structure.

Background

The foaming sponge is made of polyether through foaming and is similar to foaming bread. The foaming can be carried out by using mechanical equipment, the foaming can be carried out by using a wood board in a surrounding way, the foamed cotton is like a square bread, the thickness is cut according to different requirements by using a slicing machine through a slicing process, the hardness of the foamed cotton can be adjusted, and the foamed cotton has the advantages of good buffering, shock resistance, heat insulation, moisture resistance, chemical corrosion resistance and the like.

The foam sponge is suitable for a plurality of fields such as electronic instruments, daily necessities, buildings, traffic and the like, has quite wide applicability, has better sound insulation, flame retardance, water absorption and the like, is particularly important for the fields of sound absorption and heat preservation of some buildings and industries, and the current method for improving the sound insulation performance of the foam sponge is to arrange a plurality of rectangular pyramid type sound absorption blocks or wave crest type sound absorption blocks on a sponge matrix, and the design of the sound insulation structure only sets a sound insulation barrier between the sponge matrix and the outside, and the sound absorption blocks can not absorb all noise, and still part of noise enters the sponge body and then possibly is emitted, so the foam sponge structure with high sound insulation is needed.

Disclosure of utility model

The utility model aims to provide a high sound insulation type foaming sponge structure, which solves the problems that the existing high sound insulation type foaming sponge structure in the prior art is easy to cause cloth to warp and move during cutting, and the cutting effect is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high sound insulation type foaming sponge structure comprises a sponge body and a plurality of sound absorption blocks arranged on the surface of the sponge body;

a sound absorption layer is arranged in the sponge body;

the sound absorbing layer comprises a plurality of sound absorbing cavities formed in the sponge body, sound absorbing films are attached to the inner walls of the sound absorbing cavities, the sound absorbing films are polyurethane sound absorbing films, and a cross type buffer pad is arranged between every two sound absorbing cavities.

As a preferable technical scheme of the utility model, a hollow cavity is arranged below the sound absorbing layer, and expanded perlite particles are filled in the hollow cavity.

As a preferable technical scheme of the utility model, the sponge body comprises a sponge base layer, a flame-retardant layer is fixedly arranged on the sponge base layer, and an active carbon moisture-proof layer is fixedly arranged on the flame-retardant layer.

As a preferable technical scheme of the utility model, the bottom of the sponge body is fixedly provided with a sound insulation plate.

As a preferable technical scheme of the utility model, the bottom of the sound insulation plate is fixedly provided with an adhesive layer.

Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a high sound insulation type foaming sponge structure:

Through being provided with the sound absorbing layer structure in the inside of cavernosum, a plurality of sound absorbing cavities that wherein can be with permeating the noise storage of inhaling the sound piece to the polyurethane that cooperates the intracavity inhales the sound membrane and absorbs, the vibration that produces simultaneously can be absorbed by the cross blotter, possesses better sound absorption stability, has improved the sound insulation effect of cavernosum greatly.

The hollow cavity filled with the expanded perlite particles is arranged in the sponge body, so that the sound absorption effect is achieved, and meanwhile, the heat insulation property of the sponge body is improved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the sponge body according to the present utility model;

Fig. 3 is an enlarged schematic view of the structure of the present utility model shown in fig. 2A.

In the figure: 1. a sponge body; 2. a sound-absorbing block; 3. a sponge base layer; 4. a flame retardant layer; 5. an active carbon moisture barrier; 6. a hollow cavity; 7. expanded perlite particles; 8. a sound absorbing layer; 9. a sound absorbing cavity; 10. a sound absorbing film; 11. cross type buffer cushion; 12. a sound insulation board; 13. and an adhesive layer.

Description of the embodiments

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.

Referring to fig. 1-3, the present utility model provides a technical solution of a high sound insulation type foaming sponge structure:

According to the figures 1-3, it comprises a sponge 1 and a plurality of sound-absorbing blocks 2 arranged on the surface of the sponge 1;

The inside of the sponge body 1 is provided with a sound absorption layer 8;

The sound absorbing layer 8 is including seting up in the inside a plurality of sound absorbing cavities 9 of cavernosum 1, and every sound absorbing cavity 9's inner wall all is attached and is inhaled sound membrane 10, inhale sound membrane 10 and inhale sound membrane for polyurethane, be equipped with the cross blotter 11 between every two sound absorbing cavities 9, and the below of sound absorbing layer 8 is provided with cavity 6, and cavity 6's inside is filled with expanded perlite granule 7.

The sponge body 1 comprises a sponge base layer 3, a flame-retardant layer 4 is fixedly arranged on the sponge base layer 3, an active carbon moisture-proof layer 5 is fixedly arranged on the flame-retardant layer 4, a sound insulation plate 12 is fixedly arranged at the bottom of the sponge body 1, and an adhesive layer 13 is fixedly arranged at the bottom of the sound insulation plate 12.

When the high sound insulation foam sponge structure is used, the sponge body 1 can be bonded and fixed through the bonding layer 13, when noise is generated, the sound absorption block 2 absorbs the noise for the first time, the rest part of the noise after absorption is in the sound absorption layer 8 in the sponge body 1, the plurality of sound absorption cavities 9 in the sound absorption layer 8 can store the noise transmitted through the sound absorption block 2 and are matched with the polyurethane sound absorption film 10 in the cavities to absorb the vibration generated by the sound absorption cavities 9, and meanwhile, the vibration insulation foam sponge structure is absorbed by the crossed buffer cushion 11, has good sound absorption stability, greatly improves the sound insulation effect of the sponge body, and has the heat insulation effect while playing the sound insulation effect through the hollow cavities 6 filled with the expanded perlite particles 7, and the active carbon moisture barrier 5 of the sponge body 1 can absorb the moisture, so that the inside of the sponge body 1 is kept dry, and the moisture-proof effect is improved.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

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

Claims (5)

1. A high sound insulation type foaming sponge structure comprises a sponge body (1) and a plurality of sound absorption blocks (2) arranged on the surface of the sponge body (1);

The method is characterized in that: a sound absorption layer (8) is arranged in the sponge body (1);

The sound absorbing layer (8) comprises a plurality of sound absorbing cavities (9) formed in the sponge body (1), sound absorbing films (10) are adhered to the inner walls of the sound absorbing cavities (9), the sound absorbing films (10) are polyurethane sound absorbing films, and a cross-shaped buffer pad (11) is arranged between every two sound absorbing cavities (9).

2. The high sound insulation foam sponge structure of claim 1 wherein: a hollow cavity (6) is arranged below the sound absorbing layer (8), and expanded perlite particles (7) are filled in the hollow cavity (6).

3. The high sound insulation foam sponge structure of claim 1 wherein: the sponge body (1) comprises a sponge base layer (3), a flame-retardant layer (4) is fixedly arranged on the sponge base layer (3), and an active carbon moisture-proof layer (5) is fixedly arranged on the flame-retardant layer (4).

4. The high sound insulation foam sponge structure of claim 1 wherein: the bottom of the sponge body (1) is fixedly provided with a sound insulation plate (12).

5. The high sound insulation foam sponge structure of claim 4 wherein: an adhesive layer (13) is fixedly arranged at the bottom of the sound insulation plate (12).