CN219080640U - Sound-absorbing and insulating board with simple structure - Google Patents
Sound-absorbing and insulating board with simple structure Download PDFInfo
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- CN219080640U CN219080640U CN202223394518.7U CN202223394518U CN219080640U CN 219080640 U CN219080640 U CN 219080640U CN 202223394518 U CN202223394518 U CN 202223394518U CN 219080640 U CN219080640 U CN 219080640U
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Abstract
The utility model relates to the technical field of sound insulation boards, and discloses a sound absorption and insulation board with a simple structure, which comprises a sound absorption board, wherein the sound absorption board is provided with a plurality of hollowed-out grooves, two sides of the sound absorption board are covered with side panels, and the two side panels enclose the hollowed-out grooves to form a closed sound absorption cavity; the sound absorbing plate is internally provided with a built-in gap which enables a plurality of hollow grooves to be communicated with each other; the side panels comprise an inner side panel and an outer side panel, the outer side panel deviates from the hollowed-out groove to expand outwards, and is filled with a sound insulation plate; through the fretwork groove of making by metal abatvoix, the acoustic energy produces the friction with fretwork groove and gap to convert acoustic energy into heat energy, and through built-in gap, acoustic energy propagates repeatedly in the fretwork chamber and reach the purpose of a amortization, through the acoustic insulation board that sets up in filling the chamber, can play the effect with the noise partition, make and cause unable propagation to the region of giving sound insulation, propagate repeatedly in the fretwork groove to the amortization, like this, the product is simple structure not only, and the cost is with low costs, harmless and the sound insulation effect preferred to the human body.
Description
Technical Field
The utility model relates to the technical field of sound insulation boards, in particular to a sound absorption and insulation board with a simple structure.
Background
Noise pollution has become a major problem in the control of environmental pollution in the twentieth century. How to meet the requirements of people on calm and comfortable living and working environments without being influenced by noise and how to improve the sound insulation capability of the enclosure structure are important aspects.
At present, a plurality of sound-absorbing and sound-insulating boards are generally adopted to be mutually overlapped from bottom to top to form an enclosure structure with a sound-insulating effect, and the enclosure structure is generally arranged beside roads, building sites and other areas close to living areas to prevent people from being influenced by noise.
In the prior art, the sound-absorbing and sound-insulating board with simple structure comprises a sound-insulating board layer, the sound-insulating board layer is made of sound-insulating metal plates, the structure is simpler, but the sound-insulating performance is poorer, in order to improve the sound-insulating performance, the sound-absorbing cotton is filled in, the harm of the sound-absorbing cotton to human bodies is great, the fiber of the sound-absorbing cotton is very fine, the lung diseases are easy to be caused after the sound-absorbing cotton is inhaled,
in addition, refer to chinese patent CN217461003U, a lightweight sound insulation board structure is disclosed, including laying the first sound insulation board on external floor basic unit, first sound insulation board upper cover is equipped with the second sound insulation board, a plurality of spread grooves have been seted up on the first sound insulation board terminal surface, every spread groove position of correspondence all is provided with the connecting block on the second sound insulation board bottom surface, a plurality of connecting blocks and a plurality of spread grooves one-to-one and grafting cooperation setting, the radial cross-section of connecting block all is the hexagon setting with the radial cross-section of spread groove, be provided with on the second sound insulation board and be used for the connecting piece with first sound insulation board and the firm connection of second sound insulation board, be laid the soundproof cotton board on the spread groove inner peripheral wall, soundproof cotton board inner peripheral wall and adjacent connecting block periphery laminating setting.
The above patent has the advantages of better sound insulation and lower influence by the sound bridge, but has complex structure and higher manufacturing cost.
Disclosure of Invention
The utility model aims to provide a sound-absorbing and sound-insulating board with a simple structure, and aims to solve the problem that the sound-insulating performance of the sound-absorbing and sound-insulating board with the simple structure is poor in the prior art.
The sound-absorbing and sound-insulating board with the simple structure is realized in such a way that the sound-absorbing and sound-insulating board comprises a sound-absorbing board, wherein the sound-absorbing board is provided with a plurality of hollowed-out grooves, and the hollowed-out grooves penetrate through the sound-absorbing board from top to bottom; the two sides of the sound-absorbing plate are covered with side plates, the two sides of the hollowed-out grooves are provided with side openings, the side openings are closed by the side plates, and the hollowed-out grooves are enclosed by the two side plates to form a closed sound-absorbing cavity;
the sound absorbing plate is internally provided with a plurality of built-in gaps, and the built-in gaps penetrate through the inner side walls of the hollowed-out grooves so that the hollowed-out grooves are communicated with each other;
the side panel comprises an inner side plate and an outer side plate, the inner side plate is arranged towards the noise sound source, the outer side plate faces the sound insulation area, the outer end face of the outer side plate deviates from the hollowed-out groove and expands outwards to form a thickening layer, a filling cavity is formed in the thickening layer, and sound insulation plates are filled in the filling cavity;
the sound absorbing plate, the inner side plate and the outer side plate are all made of metal sound absorbing plates.
Optionally, the hollow grooves are adjacent and uniformly distributed in the acoustic panel, and the plurality of built-in gaps communicate the plurality of adjacent hollow grooves.
Optionally, the acoustic panel is made of a high density sheet metal.
Optionally, the side opening is six change shapes, and a plurality of fretwork groove is arranged along the extension of abatvoix direction.
Optionally, the sound absorbing plate and the side panel are welded and fixed.
Optionally, the sound absorbing plate and the side panel are provided with a plurality of screw holes, the screw holes on the sound absorbing plate and the side panel are mutually corresponding and aligned, and the screw holes penetrate through the side panel from top to bottom; the screw holes can be penetrated by screws, and the side panels are connected with the sound absorbing plate in a reinforcing way through the screws.
Optionally, the inner side plate is provided with a plurality of micro-perforations, and the aperture of each micro-perforation is 0.1mm-0.2mm.
Optionally, the micro-perforations completely penetrate through the inner side plate, the sound absorbing cavities are opposite to the micro-perforations, and the sound absorbing cavities are communicated with the outside through the micro-perforations.
Optionally, the periphery of the sound absorbing plate is flat, and the periphery of the side panel is arranged flush with the periphery of the sound absorbing plate.
Optionally, galvanized layers are arranged on the outer surfaces of the sound absorbing plate and the side panels.
Compared with the prior art, the sound-absorbing and sound-insulating board with the simple structure provided by the utility model has the advantages that when noise is transmitted through the product, through the hollowed-out groove made of the metal sound-absorbing board, the sound energy is rubbed with the hollowed-out groove and the built-in gap, so that the sound energy is converted into the heat energy, and the sound energy is repeatedly transmitted in the hollowed-out cavity for multiple times through the built-in gap to achieve the purpose of silencing, and through the sound-insulating board distributed in the filling cavity, the effect of isolating the noise can be achieved, so that the noise cannot be transmitted to a sound-insulating area, and the noise cannot be repeatedly transmitted to the sound-insulating area in the hollowed-out groove, therefore, the product has the advantages of simple structure, low manufacturing cost and better sound-insulating effect.
Drawings
Fig. 1 is a schematic perspective view of a sound absorbing and insulating board with a simple structure provided by the utility model;
FIG. 2 is a schematic top view of the sound absorbing panel provided by the present utility model;
FIG. 3 is a schematic cross-sectional view of the hollow-out groove provided by the utility model;
fig. 4 is a schematic cross-sectional view of an outer panel provided by the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The implementation of the present utility model will be described in detail below with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limiting the present utility model, and specific meanings of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
Referring to fig. 1-4, a preferred embodiment of the present utility model is provided.
The sound-absorbing and sound-insulating board with the simple structure comprises a sound-absorbing board 100, wherein the sound-absorbing board 100 is provided with a plurality of hollowed-out grooves 101, and the hollowed-out grooves 101 penetrate through the sound-absorbing board 100 from top to bottom; the two sides of the sound absorbing plate 100 are capped with side panels, the two sides of the plurality of hollowed grooves 101 are provided with side openings, the side panels seal the side openings, and the two side panels enclose the hollowed grooves 101 to form a sealed sound absorbing cavity;
the sound absorbing plate 100 is provided with a plurality of built-in slits 102, and the built-in slits 102 penetrate through the inner side wall of the hollow groove 101 to enable the hollow grooves 101 to be communicated with each other;
the side panel comprises an inner side plate 201 arranged towards the noise sound source and an outer side plate 202 arranged towards the sound insulation area, the outer end surface of the outer side plate 202 deviates from the hollowed-out groove 101 and expands outwards to form a thickened layer 2020, a filling cavity 2021 is formed in the thickened layer 2020, and a sound insulation plate is filled in the filling cavity 2021;
the sound absorbing panel 100, the inner side panel 201 and the outer side panel 202 are all made of a metal sound absorbing panel 100 material.
The above-mentioned simple structure's that provides inhale sound insulation board, when noise propagates through this product, through the fretwork groove 101 of being made by metal abatvoix 100 material, the acoustic energy produces the friction with fretwork groove 101 and built-in gap 102, thereby convert acoustic energy into heat energy, and through built-in gap 102, acoustic energy repeatedly propagates many times in the fretwork cavity and reach a amortization purpose, through the acoustic board that has distributed in filling chamber 2021, can play the effect with noise partition, make and cause unable the propagating to the acoustic region, repeatedly propagate to the amortization in fretwork groove 101, so, the product is simple structure, low in cost, and the acoustic effect preferred.
The hollow grooves 101 are adjacent and uniformly distributed in the acoustic panel 100, and the plurality of internal slits 102 communicate the plurality of adjacent hollow grooves 101. In this way, when noise propagates into the sound absorption cavity, friction occurs between the noise and the sound absorption cavity when the noise passes through the built-in gap 102, the sound energy is converted into heat energy, the purpose of noise reduction is achieved, the noise enters the adjacent sound absorption cavity through the built-in gap 102, the noise is reflected for multiple times in the sound absorption plate 100, and the purpose of noise reduction is achieved.
The sound insulation sheet is made of a high-density metal sheet. Thus, the high-density metal plate makes noise not easily penetrate through the sound insulation plate, so that the noise cannot enter the sound insulation area, and meanwhile, the noise is isolated in the sound absorption plate 100, so that multiple times of noise reduction is realized.
The side opening is six-variant shape, and a plurality of hollow grooves 101 are arranged along the height direction of the sound absorbing plate 100. The plurality of hollowed grooves 101 are distributed in the sound absorbing plate 100 and are in honeycomb shapes, so that the hollowed grooves 101 are densely distributed in the sound absorbing plate 100, and the sound absorbing effect is better.
The sound absorbing plate 100 is welded to the side panel. The sound absorbing plate 100 and the side panels are fixedly connected with each other by welding, so that the sound insulation effect of the product is ensured.
The sound-absorbing plate 100 and the side panels are provided with a plurality of screw holes 300, the screw holes 300 on the sound-absorbing plate 100 and the side panels are mutually corresponding and aligned, and the screw holes 300 penetrate through the side panels from top to bottom; screw hole 300 is provided for screw 301 to pass through, and the side panel is connected with sound absorbing board 100 through screw 301. In this way, the screws 301 are inserted into the corresponding screw holes 300, so that the connection between the sound absorbing plate 100 and the side panels is more stable, and the sound insulation effect of the product is ensured.
The inner side plate 201 is provided with a plurality of micro-perforations, and the aperture of the micro-perforations is 0.1mm-0.2mm. In this way, when noise propagates to the inner side plate 201, friction is generated between the acoustic energy and the wall of the micro-perforated hole, the acoustic energy is converted into heat energy, so as to achieve the purpose of silencing, and the noise is guided to enter the inner side plate 201 to the acoustic panel 100, and the acoustic panel 100 further silences the noise, so that noise isolation is achieved.
The plurality of micro-perforations completely penetrate the inner side plate 201, the plurality of sound absorbing cavities are arranged opposite to the plurality of micro-perforations, and the sound absorbing cavities are communicated with the outside through the micro-perforations. Thus, the noise entering the microperforations enters the sound-absorbing chamber, and after being reflected multiple times in the sound-absorbing chamber, decays in the sound-absorbing chamber until it disappears.
The periphery of the acoustic panel 100 is flat and the periphery of the side panels is flush with the periphery of the acoustic panel 100. Like this, more be convenient for install on the installation position, convenient a plurality of simple structure inhale sound insulation plate and overlap joint each other cooperate, form the sound insulation face that does not have great gap, make the wild-type nature of this product stronger.
The outer surfaces of the sound absorbing plate 100 and the side panels are provided with a zinc plating layer 400. Thus, the anti-corrosion performance of the sound-absorbing and sound-insulating board with a simple structure is effectively improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The sound-absorbing and sound-insulating board is characterized by comprising a sound-absorbing board, wherein the sound-absorbing board is provided with a plurality of hollowed-out grooves, and the hollowed-out grooves penetrate through the sound-absorbing board from top to bottom; the two sides of the sound-absorbing plate are covered with side plates, the two sides of the hollowed-out grooves are provided with side openings, the side openings are closed by the side plates, and the hollowed-out grooves are enclosed by the two side plates to form a closed sound-absorbing cavity;
the sound absorbing plate is internally provided with a plurality of built-in gaps, and the built-in gaps penetrate through the inner side walls of the hollowed-out grooves so that the hollowed-out grooves are communicated with each other;
the side panel comprises an inner side plate and an outer side plate, the inner side plate is arranged towards the noise sound source, the outer side plate faces the sound insulation area, the outer end face of the outer side plate deviates from the hollowed-out groove and expands outwards to form a thickening layer, a filling cavity is formed in the thickening layer, and sound insulation plates are filled in the filling cavity;
the sound absorbing plate, the inner side plate and the outer side plate are all made of metal sound absorbing plates.
2. The sound absorbing and insulating panel of claim 1, wherein the hollow grooves are adjacent and uniformly distributed in the sound absorbing panel, and a plurality of the built-in slits connect a plurality of adjacent hollow grooves.
3. The sound absorbing and insulating panel of claim 1, wherein said panel is made of a high density sheet metal.
4. The sound-absorbing and sound-insulating board with simple structure according to claim 1, wherein the side opening is six-shaped, and a plurality of hollowed-out grooves are arranged along the height direction of the sound-absorbing board.
5. The sound absorbing and insulating panel of claim 1, wherein the panel is welded to the side panels.
6. The sound-absorbing and sound-insulating board with simple structure according to claim 5, wherein a plurality of screw holes are arranged on the sound-absorbing board and the side panel, the screw holes on the sound-absorbing board and the side panel are mutually corresponding and aligned, and the screw holes penetrate through the side panel from top to bottom; the screw holes can be penetrated by screws, and the side panels are connected with the sound absorbing plate in a reinforcing way through the screws.
7. The sound absorbing and insulating panel of any one of claims 1 to 6, wherein the inner panel is provided with a plurality of microperforations having a pore diameter of 0.1mm to 0.2mm.
8. The sound absorbing and insulating panel of claim 7, wherein a plurality of said microperforations extend completely through the inner panel, and a plurality of said sound absorbing chambers are disposed directly opposite a plurality of said microperforations, said microperforations communicating said sound absorbing chambers to the outside.
9. The sound absorbing and insulating panel of any one of claims 1 to 6, wherein the periphery of the panel is planar and the periphery of the side panels is flush with the periphery of the panel.
10. The sound absorbing and insulating panel of any one of claims 1 to 6, wherein the exterior surfaces of the panel and side panels are provided with a galvanization layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223394518.7U CN219080640U (en) | 2022-12-15 | 2022-12-15 | Sound-absorbing and insulating board with simple structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223394518.7U CN219080640U (en) | 2022-12-15 | 2022-12-15 | Sound-absorbing and insulating board with simple structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219080640U true CN219080640U (en) | 2023-05-26 |
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ID=86404866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223394518.7U Active CN219080640U (en) | 2022-12-15 | 2022-12-15 | Sound-absorbing and insulating board with simple structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219080640U (en) |
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2022
- 2022-12-15 CN CN202223394518.7U patent/CN219080640U/en active Active
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