CN215630780U - Long-life sound-insulation noise-reduction material - Google Patents
Long-life sound-insulation noise-reduction material Download PDFInfo
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- CN215630780U CN215630780U CN202120116366.0U CN202120116366U CN215630780U CN 215630780 U CN215630780 U CN 215630780U CN 202120116366 U CN202120116366 U CN 202120116366U CN 215630780 U CN215630780 U CN 215630780U
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Abstract
The utility model relates to a long-life sound insulation and noise reduction material which comprises a frame body, wherein a first microporous rock plate, a first sound absorption layer, a damping layer, a second sound absorption layer and a second microporous rock plate are sequentially stacked in the frame body, the horizontal section of the damping layer is H-shaped, the front surface and the back surface of the damping layer form a groove body, the first sound absorption layer and the second sound absorption layer are respectively arranged in the groove body, and the first microporous rock plate and the second microporous rock plate are fixed on the frame body. The utility model relates to the field of sound insulation boards, when noise enters from micropores of a first microporous rock board or a second microporous rock board, a first sound absorption layer or a second sound absorption layer weakens the noise, a damping layer can absorb and block the noise, the noise with the lengthened wavelength is difficult to return along the micropores on the first microporous rock board, the noise is reflected back and forth in the sound absorption layer until the noise is completely eliminated, the front side and the back side of the sound absorption layer both have good sound insulation and noise reduction functions, and the technical problem that the sound insulation effect of the sound insulation board is poor is solved.
Description
Technical Field
The utility model relates to the field of sound insulation boards, in particular to a long-life sound insulation and noise reduction material.
Background
Some existing sound insulation boards are used for producing and manufacturing equipment, some existing sound insulation boards are used for partition boards of rooms, the existing sound insulation boards are poor in sound insulation and noise reduction effects, and noise entering the sound insulation boards possibly rebounds out when the noise is not completely eliminated; some baffles usually have good one-way sound insulation effect, and the noise of the internal parts of the equipment is absorbed by the baffles usually, but the sound baffles entering the equipment from the outside are difficult to muffle, so that the noise entering the equipment possibly affects the production and the manufacture of the equipment.
SUMMERY OF THE UTILITY MODEL
Therefore, in view of the above problems, the present invention provides a sound insulation and noise reduction material with long service life. It has solved the technical problem that the acoustic celotex board gives sound insulation the effect poor.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a material of making an uproar falls in high life sound insulation, includes the framework, be equipped with first micropore rock plate, first sound absorbing layer, damping layer, second sound absorbing layer, the second micropore rock plate of superpose in proper order in the framework, the horizontal tangent plane on damping layer is the H type, the damping layer openly forms a cell body with the back, and first sound absorbing layer and second sound absorbing layer are located in the cell body respectively, first micropore rock plate and second micropore rock plate are fixed in the framework.
Further:
the damping layer includes the perpendicular intermediate part that sets up, locates the peripheral part of intermediate part week side, peripheral part is the rectangle structure, peripheral part supports and leans on in the framework inner wall, the intermediate part is positive and the back is equipped with a plurality of cambered surface recesses respectively.
The frame body is made of metal materials.
The first sound absorption layer and the second sound absorption layer are made of sound absorption cotton materials.
The first microporous rock plate and the second microporous rock plate are respectively flush with the front surface and the back surface of the frame body.
The front surface and the back surface of the frame body are respectively provided with a plurality of concave parts, the first microporous rock plate and the second microporous rock plate are provided with convex parts corresponding to the concave parts, and the concave parts and the convex parts are fixedly connected through bolts.
By adopting the technical scheme, the utility model has the beneficial effects that:
the first microporous rock plate and the second microporous rock plate are respectively arranged on the front side and the back side of the frame body, and have the performances of sound absorption, weather resistance, fire prevention and the like, when noise enters from micropores of the first microporous rock plate, the first sound absorption layer weakens the noise, the damping layer can absorb and block the noise, so that the energy is further attenuated, the wavelength of the attenuated noise is lengthened, the noise after the wavelength lengthening is difficult to return along the micropores on the first microporous rock plate, the noise is reflected back and forth in the sound absorption layer until the noise is completely eliminated, and when the noise enters from the micropores of the second microporous rock plate, the principle is the same as that of the noise reduction plate, so that the front side and the back side of the noise reduction plate have good sound insulation and noise reduction functions and can be used for partition walls or partition plates of equipment; furthermore, part of noise is reflected by the cambered surface groove, so that the noise can move towards all directions, the noise is prevented from being concentrated on the part of the noise reduction plate, the round trip and time of the noise are changed, and the noise reduction efficiency is improved; furthermore, the frame body is made of metal materials, so that the frame body is strong in pressure resistance, not easy to deform, good in protection effect and long in service life; furthermore, the first microporous rock plate and the second microporous rock plate are fixed on the frame body through bolts and are detachably connected, so that part of materials are convenient to maintain and replace, and the maintenance cost is low.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view of B in FIG. 2;
fig. 4 is a schematic structural view of the damping layer.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 4, the embodiment provides a long-life sound insulation and noise reduction material, including frame 1, be equipped with the first micropore rock plate 2 that superposes in proper order in the frame 1, first sound absorbing layer 3, damping layer 4, second sound absorbing layer 5, second micropore rock plate 6, damping layer 4's horizontal section is the H type, damping layer 4 includes perpendicular intermediate part 41 that sets up, locate the peripheral part 42 of intermediate part 41 week side, peripheral part 42 is the rectangle structure, peripheral part 42 supports and leans on in frame 1 inner wall, intermediate part 41 is positive and the back is equipped with a plurality of cambered surface recesses 410 respectively, damping layer 4 is positive and the back forms a cell body 40 respectively, first sound absorbing layer 3 and second sound absorbing layer 5 are located respectively in two cell bodies 40, first micropore rock plate 2 and second micropore rock plate 6 are fixed in frame 1.
The front surface and the back surface of the frame body 1 are respectively provided with a plurality of concave parts 10, the first microporous rock plate 2 and the second microporous rock plate 6 are provided with convex parts 20 corresponding to the concave parts 10, and the concave parts 10 and the convex parts 20 are fixedly connected through bolts 101, also can be fixedly connected through glue or other modes, which is a known technical means and is not described herein again.
The frame body 1 is usually made of a metal material; the frame body 1 can also be made of plastic or other materials, but the frame body 1 has poor pressure resistance and crashproof capability, and is arranged according to the situation.
The first sound absorbing layer 3 and the second sound absorbing layer 5 may be made of sound absorbing cotton or other sound absorbing materials, which are well known materials and will not be described herein.
The first and second microporous rock plates 2, 6 are flush with the front and back of the frame 1, respectively.
The first microporous rock plate 2 and the second microporous rock plate 6 may adopt the patent application numbers: 201820550698.8, the patent discloses a new fireproof sound-absorbing perlite board, which can also adopt other structures, and is made of known materials, and will not be described in detail herein.
The damping layer 4 may be a microporous rock plate or other materials, which are well known and will not be described herein.
The use mode of the utility model is as follows:
when noise enters from the micropores of the first microporous rock plate 2, the first sound absorption layer 3 weakens the noise, the damping layer 4 can absorb and block the noise to further attenuate energy, the wavelength of the attenuated noise is lengthened, the noise with the lengthened wavelength is difficult to return along the micropores on the first microporous rock plate 2, part of the noise passes through the cambered groove 410 at the middle part, the noise reflection changes the direction, the noise is favorable for moving towards all directions, the noise is prevented from being concentrated at the local part of the noise reduction plate, the round trip travel and time of the noise are changed, the noise reduction efficiency is improved, the noise is reflected back and forth in the sound absorption layer, the noise entering the noise reduction plate cannot come out from the micropores of the first microporous rock plate 2 until the noise is completely eliminated, when the noise enters from the micropores of the second microporous rock plate 6, the principle is the same as that described above, therefore, both the front side and the back side of the noise reduction plate of the utility model have good sound insulation and noise reduction functions, is simple and practical.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. A long-life sound-insulating noise-reducing material is characterized in that: the portable sound absorption device comprises a frame body, be equipped with first micropore rock plate, first sound absorption layer, damping layer, second sound absorption layer, the micropore rock plate of superpose in proper order in the framework, the horizontal tangent plane on damping layer is the H type, the damping layer openly forms a cell body with the back, and first sound absorption layer and second sound absorption layer are located in the cell body respectively, first micropore rock plate and second micropore rock plate are fixed in on the framework.
2. A long-life acoustical insulation and noise reduction material according to claim 1, wherein: the damping layer includes the perpendicular intermediate part that sets up, locates the peripheral part of intermediate part week side, peripheral part is the rectangle structure, peripheral part supports and leans on in the framework inner wall, the intermediate part is positive and the back is equipped with a plurality of cambered surface recesses respectively.
3. A long-life acoustical insulation and noise reduction material according to claim 1, wherein: the frame body is made of metal materials.
4. A long-life acoustical insulation and noise reduction material according to claim 1, wherein: the first sound absorption layer and the second sound absorption layer are made of sound absorption cotton materials.
5. A long-life acoustical insulation and noise reduction material according to claim 1, wherein: the first microporous rock plate and the second microporous rock plate are respectively flush with the front surface and the back surface of the frame body.
6. A long-life acoustical insulation and noise reduction material according to any one of claims 1 to 5, wherein: the front surface and the back surface of the frame body are respectively provided with a plurality of concave parts, the first microporous rock plate and the second microporous rock plate are provided with convex parts corresponding to the concave parts, and the concave parts and the convex parts are fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120116366.0U CN215630780U (en) | 2021-01-15 | 2021-01-15 | Long-life sound-insulation noise-reduction material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120116366.0U CN215630780U (en) | 2021-01-15 | 2021-01-15 | Long-life sound-insulation noise-reduction material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215630780U true CN215630780U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120116366.0U Active CN215630780U (en) | 2021-01-15 | 2021-01-15 | Long-life sound-insulation noise-reduction material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215630780U (en) |
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2021
- 2021-01-15 CN CN202120116366.0U patent/CN215630780U/en active Active
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