CN212836018U - Multilayer space sound absorber - Google Patents
Multilayer space sound absorber Download PDFInfo
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- CN212836018U CN212836018U CN202020314163.8U CN202020314163U CN212836018U CN 212836018 U CN212836018 U CN 212836018U CN 202020314163 U CN202020314163 U CN 202020314163U CN 212836018 U CN212836018 U CN 212836018U
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- acoustic baffle
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Abstract
The utility model discloses a multi-level space acoustic absorber, including frame and core, the frame is hollow cuboid structure, the bottom surface of frame all is fixed with a plurality of rubber arch, the core includes the reinforcing skeleton, the upper and lower both sides of reinforcing skeleton all are equipped with compound acoustic baffle, compound acoustic baffle is from last down including the honeycomb acoustic baffle in proper order, crest sound absorption sponge and polyester fiber acoustic baffle, a plurality of screw hole has been seted up on the reinforcing skeleton, the fixed orifices that corresponds with the screw hole is erect at the top of frame, it is equipped with the long-foot bolt to run through in the fixed orifices, the lower extreme of long-foot bolt runs through compound acoustic baffle in proper order, reinforcing skeleton and compound acoustic baffle, the inboard bottom of frame inlays the fixed block that is equipped with long-foot bolt threaded connection. The utility model discloses a set up inside reinforcing skeleton, honeycomb acoustic baffle, crest sound absorption sponge and the polyester fiber acoustic baffle of frame and frame for this acoustic absorber has better noise reduction nature and aesthetic property.
Description
Technical Field
The utility model relates to a sound absorber technical field, in particular to multi-level space sound absorber.
Background
The polyester fiber sound absorption board is an ideal sound absorption decoration material in places with high acoustic environment requirements and high-grade decoration, such as movie theaters, vocal halls, museums, exhibition halls, libraries, auditoria, galleries, auction halls, sports halls, report halls, multifunctional halls, hotel lobbies, hospitals, markets, schools, piano rooms, conference rooms, studios, sound recording rooms, KTV rooms, bars, industrial plants, machine rooms, families, noise reduction and the like. The polyester fiber with 100 percent of raw materials has the advantages of sound absorption, environmental protection, flame retardance, heat insulation, heat preservation, moisture protection, mildew resistance, easy dust removal, easy cutting, splicing, simple and convenient construction, good stability, good impact resistance, good independence, high cost performance and the like, has abundant and various colors for selection, and can meet the requirements of attraction and decoration of different styles and levels.
However, some existing sound-absorbing boards still have certain disadvantages in use, and are inconvenient to assemble during use, and the sound-absorbing boards are relatively poor in sound-absorbing effect and cannot meet the requirements of people.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a multi-level space acoustic absorber, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multi-level space sound absorber comprises an outer frame and a core plate, wherein the outer frame is of a hollow cuboid structure, a plurality of rubber bulges are fixed on the surface of the bottom of the outer frame, the core plate comprises a reinforcing framework, composite sound absorbing plates are arranged on the upper side and the lower side of the reinforcing framework, the composite sound absorbing plates sequentially comprise a honeycomb sound absorbing plate, a wave crest sound absorbing sponge and a polyester fiber sound absorbing plate from top to bottom, a plurality of threaded holes are formed in the reinforcing framework, fixing holes corresponding to the threaded holes are formed in the top of the outer frame in a erecting mode, long-foot bolts penetrate through the fixing holes, the lower ends of the long-foot bolts penetrate through the composite sound absorbing plate, the reinforcing framework and the composite sound absorbing plate sequentially, fixing blocks in threaded connection with the long-foot bolts are embedded in the bottom of the inner side of the outer frame, and connecting bulges are fixed on the surface of one side of the, the connecting bulge and the outer frame are of an integrally formed structure, a connecting groove is formed in the surface of the other side of the outer frame, and the connecting bulge is matched with the connecting groove.
Preferably, the section of the reinforced framework is in an I shape, and the reinforced framework is made of plastic steel, aluminum alloy or glass fiber reinforced plastic.
Preferably, a sealing strip is filled between the reinforcing framework and the composite sound absorption plate.
Preferably, the top surface of the outer frame is provided with a plurality of strip-shaped grooves parallel to each other along the length direction, and the fixing holes are uniformly distributed in the strip-shaped grooves.
Preferably, the rubber pad is filled in the strip-shaped groove, and the top of the rubber pad is flush with the surface of the top of the outer frame.
Compared with the prior art, the utility model discloses following beneficial effect has: the multilayer space sound absorber has the advantages that the outer frame, the reinforcing framework, the honeycomb sound absorbing plate, the wave crest sound absorbing sponge and the polyester fiber sound absorbing plate are arranged inside the outer frame, so that the sound absorber has good noise reduction performance and attractiveness, has great economic benefit and wide market prospect and is worthy of popularization and use, the reinforcing framework, the honeycomb sound absorbing plate, the wave crest sound absorbing sponge and the polyester fiber sound absorbing plate can be taken out conveniently by arranging the long-foot bolts, the threaded holes, the fixing holes and the fixing blocks, on one hand, the maintenance cost is low, on the other hand, the sound absorber can be matched and used at will according to requirements and is more humanized, the device has good shock absorption performance by arranging the rubber pads and the rubber bulges, the external impact can be resisted, the service life of the device is prolonged, the use cost is reduced, and the whole multilayer space sound absorber is simple in structure, convenient operation, the effect of using is better than traditional mode.
Drawings
Fig. 1 is a schematic view of the overall structure of a multilayer spatial sound absorber of the present invention;
fig. 2 is a schematic view of the reinforced frame of the multilayer spatial sound absorber of the present invention;
FIG. 3 is a schematic view of the reinforced frame of the multi-level spatial sound absorber of the present invention
Fig. 4 is a parsing diagram of the multi-level spatial sound absorber of the present invention.
In the figure: 1. an outer frame; 2. a core board; 3. a rubber bulge; 4. reinforcing the skeleton; 5. a honeycomb sound absorbing panel; 6. wave crest sound absorption sponge; 7. a polyester fiber sound absorbing panel; 8. a composite acoustic panel; 9. a threaded hole; 10. a fixing hole; 11. a long leg bolt; 12. a fixed block; 13. a connecting projection; 14. connecting grooves; 15. a strip-shaped groove; 16. and (7) a rubber pad.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-4, a multilayer space sound absorber comprises an outer frame 1 and a core plate 2, wherein the outer frame 1 is a hollow cuboid structure, a plurality of rubber protrusions 3 are fixed on the bottom surface of the outer frame 1, the core plate 2 comprises a reinforcing framework 4, composite sound absorbing plates 8 are arranged on the upper side and the lower side of the reinforcing framework 4, the composite sound absorbing plates 8 sequentially comprise a honeycomb sound absorbing plate 5, a wave crest sound absorbing sponge 6 and a polyester fiber sound absorbing plate 7 from top to bottom, a plurality of threaded holes 9 are formed in the reinforcing framework 4, fixing holes 10 corresponding to the threaded holes 9 are erected at the top of the outer frame 1, long-leg bolts 11 penetrate through the fixing holes 10, the lower ends of the long-leg bolts 11 sequentially penetrate through the composite sound absorbing plate 8, the reinforcing framework 4 and the composite sound absorbing plate 8, fixing blocks 12 in threaded connection with the long-leg bolts 11 are embedded at the bottom of the inner side of the outer frame 1, the outer frame 1 is characterized in that a connecting bulge 13 is fixed on the surface of one side of the outer frame 1, the connecting bulge 13 and the outer frame 1 are of an integrally formed structure, a connecting groove 14 is formed in the surface of the other side of the outer frame 1, and the connecting bulge 13 is matched with the connecting groove 14.
In this embodiment, preferably, the cross section of the reinforcing framework 4 is in an i shape, and the reinforcing framework 4 is made of plastic steel, aluminum alloy or glass fiber reinforced plastic.
In this embodiment, preferably, a sealing strip is filled between the reinforcing framework 4 and the composite sound absorption plate 8.
In this embodiment, preferably, a plurality of strip grooves 15 parallel to each other are formed in the top surface of the outer frame 1 along the length direction, and the fixing holes 10 are uniformly distributed in the strip grooves 15.
In this embodiment, it is preferable that the rubber pad 16 is filled in the strip-shaped groove 15, and a top of the rubber pad 16 is flush with a top surface of the outer frame 1.
It should be noted that, the utility model relates to a multi-level space sound absorber, when in use, the sound absorber has better noise reduction and beauty, has larger economic benefit and wide market prospect, and is worth popularizing by arranging the outer frame 1 and the reinforcing frame 4, the honeycomb sound absorbing plate 5, the wave crest sound absorbing sponge 6 and the polyester fiber sound absorbing plate 7 inside the outer frame 1, the reinforcing frame 4, the honeycomb sound absorbing plate 5, the wave crest sound absorbing sponge 6 and the polyester fiber sound absorbing plate 7 can be taken out more conveniently by arranging the long-foot bolt 11, the threaded hole 9, the fixed hole 10 and the fixed block 12, on one hand, the maintenance cost is lower, on the other hand, the sound absorber can be matched and used at will according to the requirement, and is more humanized, the device has better shock absorption performance by arranging the rubber pad 16 and the rubber bump 13, the external shock can be resisted, and the service life of the device is prolonged, the use cost is reduced.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a multilayer space sound absorber, includes frame (1) and core (2), its characterized in that: the structure is characterized in that the outer frame (1) is of a hollow cuboid structure, a plurality of rubber protrusions (3) are fixed on the bottom surface of the outer frame (1), the core plate (2) comprises a reinforcing framework (4), composite sound-absorbing plates (8) are arranged on the upper side and the lower side of the reinforcing framework (4), the composite sound-absorbing plates (8) sequentially comprise a honeycomb sound-absorbing plate (5), a crest sound-absorbing sponge (6) and a polyester fiber sound-absorbing plate (7) from top to bottom, a plurality of threaded holes (9) are formed in the reinforcing framework (4), fixing holes (10) corresponding to the threaded holes (9) are erected at the top of the outer frame (1), long-foot bolts (11) penetrate through the fixing holes (10), the lower ends of the long-foot bolts (11) sequentially penetrate through the composite sound-absorbing plate (8), the reinforcing framework (4) and the composite sound-absorbing plates (8), the inboard bottom of frame (1) inlay be equipped with long-foot bolt (11) threaded connection's fixed block (12), one side fixed surface of frame (1) has connection arch (13), connection arch (13) with frame (1) is the integrated into one piece structure, spread groove (14) have been seted up on the opposite side surface of frame (1), connect arch (13) with spread groove (14) looks adaptation.
2. The multilayer spatial sound absorber of claim 1, wherein: the section of the reinforced framework (4) is in an I shape, and the reinforced framework (4) is made of plastic steel, aluminum alloy or glass fiber reinforced plastic.
3. The multilayer spatial sound absorber of claim 1, wherein: and sealing strips are filled between the reinforcing framework (4) and the composite sound absorption plate (8).
4. The multilayer spatial sound absorber of claim 1, wherein: the top surface of frame (1) is equipped with a plurality of bar grooves (15) that are parallel to each other along length direction, fixed orifices (10) evenly distributed in bar grooves (15).
5. The multilayer spatial sound absorber of claim 4, wherein: rubber pads (16) are filled in the strip-shaped grooves (15), and the tops of the rubber pads (16) are flush with the top surface of the outer frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020314163.8U CN212836018U (en) | 2020-03-13 | 2020-03-13 | Multilayer space sound absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020314163.8U CN212836018U (en) | 2020-03-13 | 2020-03-13 | Multilayer space sound absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212836018U true CN212836018U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020314163.8U Active CN212836018U (en) | 2020-03-13 | 2020-03-13 | Multilayer space sound absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212836018U (en) |
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2020
- 2020-03-13 CN CN202020314163.8U patent/CN212836018U/en active Active
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