CN211691197U - Buckle plate type sound absorption structure - Google Patents
Buckle plate type sound absorption structure Download PDFInfo
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- CN211691197U CN211691197U CN201922312805.0U CN201922312805U CN211691197U CN 211691197 U CN211691197 U CN 211691197U CN 201922312805 U CN201922312805 U CN 201922312805U CN 211691197 U CN211691197 U CN 211691197U
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Abstract
The utility model provides a pinch plate type sound absorption structure, which comprises a face pinch plate, wherein the face pinch plate comprises an end face and an installation part fixedly connected with the end face; each fixing piece comprises a base and a support arranged on the base and used for being connected with the mounting part in a clamping manner, and a concave part is arranged at the top of the support; keep 4 at least stuck points when every buckle is connected with the mounting, this sound absorption structure installation laminating degree is good, the bulk strength is high, keep 4 at least stuck points when every buckle is connected with the mounting, the buckle is firm, whole shock resistance is strong, long service life, allow certain production error, the buckle is connected firmly with the support, the fabric layer has been set up, behind sound absorbing material and the supporting network, laminating between sound absorbing material and the buckle of face is inseparabler, stability and sound absorption homogeneity effectively promote, low intermediate frequency sound absorption and frequency characteristic are good, it is big to fall coefficient of making an uproar NRC value, belong to I level sound absorption structure, and it is low to installer technical requirement, installation cost reduces, high efficiency.
Description
Technical Field
The utility model belongs to architectural decoration and acoustics field, concretely relates to buckle formula sound absorption structure.
Background
With the development of social economy, people have higher and higher decoration requirements on public places, and especially in places such as large-volume (space) venues, conference halls, auditoriums, gymnasiums and reporting halls, the requirements on decoration effect and acoustic environment are continuously improved. Relatively small spaces with extremely high requirements for acoustic environments, such as broadcasting station functional rooms, e.g., live broadcasting rooms, recording rooms, listening rooms, and studio rooms, are also in demand.
At present, in acoustic decoration engineering, a commonly used sound absorption structure is mainly formed by fixing a groove wood strip seam or a round hole plate on a base layer by screws or thin clamping sheets. Meanwhile, sound absorption materials are filled between the building surface and the groove batten seam or the round hole plate so as to achieve the sound absorption effect, and the structure mainly has the following defects:
(1) the processing quality is uneven, the error is large, the allowed deformation space is small during installation, and the fitting degree of the surface buckle plate and the keel connecting surface is poor;
(2) the sound absorption structure has low integral strength, is easy to damp and deform and has weaker impact resistance;
(3) when the large-area pavement is carried out, the installation and splicing are more, and the service life is short;
(4) the low-frequency sound absorption performance needs to be improved;
(5) the fire protection level is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a buckle formula sound absorption structure.
The utility model discloses a realize through such technical scheme: a pinch plate type sound absorption structure comprises a face pinch plate, a sound absorption plate and a sound absorption plate, wherein the face pinch plate comprises an end face and an installation part fixedly connected with the end face; each fixing piece comprises a base and a support arranged on the base and used for being connected with the mounting part in a clamping manner, and a concave part is arranged at the top of the support; the bottom surface of the base is provided with strip-shaped mounting holes with different sizes, and the base can be simultaneously suitable for being mounted on indoor wall surfaces, top surfaces or building outer vertical surfaces; each buckle plate keeps at least 4 clamping points when being connected with the fixing piece; the surface buckle plate and the fixing piece are all metal pieces, can be made of aluminum alloy, and are moisture-proof, fireproof and corrosion-resistant.
In order to strengthen the installation steadiness and the face buckle plate stress strength between face buckle plate and the mounting, the terminal surface sets up the portion of sinking, should sink the portion and laminate with the depressed part during installation face buckle plate to can further improve the bulk strength of sound absorption structure, shock resistance is strong. When laying in a large scale, can further reduce the erection joint, but large-span erection construction, the span can reach 6 meters even bigger, and further, the portion of sinking combines the face decorations with the depressed part laminating back, even in the place that illuminance is big, can not produce specular reflection on the large tracts of land is spread the wainscot buckle yet, consequently, this kind of sunk structure has still increased the comfort level of vision.
Further, the mounting groove has been seted up with the junction of base to the support, when the installation department block was in this mounting groove, left the clearance between the side of base and the installation department, consequently, even there is certain dimensional error when production support and buckle, the face buckle also can be comparatively firm with the support be connected fixedly, has higher deformation containment, can not rectify to dimensional error basically during the installation, labour saving and time saving.
Furthermore, the slotting rate of the sound absorption structure is 10-18%, the sound absorption coefficient can be improved, and the I-level sound absorption performance (NRC ≧ 0.8) can be achieved.
As a further refinement of the above, the sound absorbing construction may further comprise a keel structure for connecting the building surface to the universal fixture; and the number of the mounting parts of the surface buckle plate is more than two; the top of the support 2-2 is arranged to be horizontal or inclined downwards from the middle to two sides.
In order to further improve the sound absorption effect, a sound absorption material is filled between the building surface and the surface buckle plate, and the sound absorption filling material can adopt a glass wool board, basalt rock wool, melamine wool or other sound absorption fillers.
Set up a fabric layer between sound absorbing material and the mounting, this fabric layer can adopt the fine felt class object of glass to not only can make the face between sound absorbing material and the face buckle board more level and more smooth, thereby stability and through changing the sound resistance make the homogeneity of sound absorption both effectively promote, can also play the effect that improves dustproof effect, protection against insects and sound transmission.
Further, set up the one deck and be in tensile state's supporting network all the time when using between sound absorbing material and the building surface, under the normal condition, the sound absorbing material fills the back, and the filling space has some allowances all the time, and especially when adopting the board-like filler of glass wool board class, it inclines in the aspect of the device back to the building surface easily to influence sound absorption effect and persistence, set up this supporting network and can further support sound absorbing material, prevent its slope, can effectively promote sound absorption effect and persistence, increase of service life.
The keel fixes the sound absorption structure on the building surface through the bendable hanging piece, so that the sound absorption structure is convenient to operate flexibly during construction, and the installation efficiency and the labor cost are improved.
The utility model has the advantages that: the installation fit degree between the surface buckle plate and the fixing piece is good, the surface buckle plate is stable and does not shake after installation, the integral strength of the sound absorption structure is improved, when the sound absorption structure is laid in a large area, the use quantity of installation joints and the fixing piece can be further reduced, large-span installation construction can be realized, at least 4 clamping points are kept when each surface buckle plate is connected with the fixing piece, the integral impact resistance is strong, the service life is prolonged, the sound absorption structure is particularly suitable for public places with large people flow, a gap is reserved between the side surface of the base and the installation part, even if a certain size error exists when a support is processed, the surface buckle plate and the support can be stably connected and fixed, after the fabric layer and the supporting net are arranged, the surface between the sound absorption material and the surface buckle plate is smoother, the stability and the uniformity of sound absorption can be effectively improved, meanwhile, the dustproof effect is, the sound absorption effect is good, the sound absorption time is long, the installation cost is low, and the installation efficiency is high; in some places with low requirements on sound absorption effect, the surface buckling plates and the fixing pieces can be only installed and fixed on the surface of a building, and long slits are formed between the adjacent surface buckling plates, so that a slit sound absorption structure for natural sound absorption is formed, and the cost is saved.
Drawings
Fig. 1 is a schematic view of the installation of the present invention;
FIG. 2 is a cross-sectional view of the connection of the face buckle plate with the lower portion and the fixing member;
fig. 3 is an elevational view of fig. 2.
FIG. 4 is a cross-sectional view of the connection of the surface fastener plate with the fixing member when the surface fastener plate is a flat plate;
FIG. 5 is an elevational view of FIG. 4;
FIG. 6 is a cross-sectional view of the connection between the sinking portion of the surface fastener plate and the fixing member after the protrusion is provided thereon;
FIG. 7 is an elevational view of FIG. 6;
FIG. 8 is a cross-sectional view of the fastener with a protrusion on the middle portion of the surface fastener;
fig. 9 is an elevational view of fig. 8.
FIG. 10 is a schematic view of the end face width D of the face retainer plate being greater than the mounting portion span D;
fig. 11 is an elevational view of fig. 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, a buckle plate type sound absorption structure includes a buckle plate 1 having an end surface 1-1 and an installation part 1-2 fixedly connected to the end surface 1-1; each fixing piece 2 comprises a base 2-1 and a support 2-2 arranged on the base 2-1 and used for being clamped and connected with the mounting part 1-2, and a concave part 2-3 is arranged at the top of the support 2-2; the bottom surface of the base is provided with mounting holes with different diameters, and the base can be simultaneously suitable for being mounted on indoor wall surfaces, top surfaces or building outer vertical surfaces; when each face buckle plate 1 is connected with the fixing piece 2, at least 4 clamping points are kept, the face buckle plate 1 and the fixing piece 2 are made of aluminum alloy and are treated in the same color, no color difference exists between the fixing piece 2 and the face buckle plate 1 after installation, and the visual effect is good; the end face 1-1 is provided with a sunken part 1-3, and the sunken part 1-3 is attached to the sunken part 2-3 when the buckle plate 1 is installed on the surface, so that the overall strength of the sound absorption structure can be further improved, the impact resistance is high, installation joints can be further reduced when the sound absorption structure is laid in a large area, large-span installation and construction can be realized, and the span can reach at least 6 meters; the connection part of the support 2-2 and the base 2-1 is provided with a mounting groove 3, when the mounting part 1-2 is clamped in the mounting groove 3, a gap 4 is reserved between the side surface of the base 2-1 and the mounting part 1-2, therefore, even if a certain size error exists during processing the support 2-2, the surface buckle plate 1 and the support 2-2 can be stably connected and fixed, the fixing part 2 can be made of thin-wall steel materials, so that the fixing part can be bent inwards or outwards, gaps can be formed on the bent extension surface, the bending is facilitated, the bent or bent fixing part 2 can be mounted on an arc building surface, a circular building surface or a cylindrical building surface, and the application scene of the sound absorption structure is enlarged.
As an alternative to the above solutions, the outer end face of the face buckle plate 1 may be designed to be a plane, as shown in fig. 4, it is only necessary to keep the face buckle plate 1 and the upper end of the support 2-2 in close contact during actual installation, and the remaining technical features are not changed, which can also achieve the above technical effects, and the elevation view after the face buckle plate 1 and the fixing member 2 are installed is shown in fig. 5.
In addition, a plurality of long stripe structures are arranged on the surface buckle plate 1 or other roughening treatments are carried out, diffuse long-shot is formed during strong light irradiation, mirror reflection is avoided, and the comfort of vision can be further improved.
Preferably, the sound absorbing construction has a vent ratio of 10% to 18%, preferably 12%. Under the test conditions of the ambient temperature of 22 ℃, the relative humidity of 54%, the air pressure value of 96.5kPa, the slotting rate of 12%, the volume 217m3 of the reverberation chamber, the total area 10.8m3 of the sound absorption structure and the like, the sound absorption structure can achieve a very large sound absorption coefficient, and the test data are shown in the following table:
the above slitting rate can be achieved by modifying the end face width D of the face buckle, for example, setting the end face width D to be greater than the mounting portion span D, as shown in fig. 10 and 11.
Preferably, the sound absorbing construction may further comprise a keel structure 5 for connecting the building surface to the fixture 2; the top of the support 2-2 can be arranged to be horizontal or inclined downwards from the middle to the two sides, the top can be provided with or not provided with the concave parts 2-3 at the same time, and the downward inclined structure can ensure that the fit degree of the surface buckle plate 1 and the support 2-2 is better; the installation parts 1-2 of the surface buckle plate 1 are set to be more than two, for example, when 4 installation parts 1-2 are arranged, the 4 installation parts 1-2 are simultaneously installed on the same surface buckle plate 1, the installation parts 1-2 are combined in pairs and respectively clamped and connected with the fixing part 2, so that construction installation with larger span can be realized, installation joints are further reduced while strength is not reduced, installation efficiency is improved, installation time cost and labor cost are saved, when 4 installation parts 1-2 are adopted, the outer end surface of the surface buckle plate 1 can be set to be a plane, a U-shaped surface, an arc-shaped surface or other geometric surfaces, and installation strength can be increased by arranging the protrusion 13, as shown in fig. 6 to 9; the surface fastener 1 has decorative effect, and can be used as decorative board, and its surface can be designed with aesthetic texture or secondary transfer texture, etc.
Preferably, a sound absorption material 6 is filled between the building surface and the surface buckle plate 1, and the sound absorption material 6 can be a glass wool board, basalt rock wool, melamine wool or other sound absorption fillers.
Preferably, a fabric layer 7 is arranged between the sound absorption material 6 and the fixing part 2, and the fabric layer 7 can be made of glass fiber felt, so that the surface between the sound absorption material 6 and the surface buckle plate 1 is smoother, the stability and the sound absorption uniformity can be effectively improved, and the effects of improving the heat strength and preventing mildew, insects and air permeability can be achieved.
Preferably, a layer of supporting net 8 which is always in a stretching state when the sound absorbing material 6 is used is arranged between the sound absorbing material 6 and the building surface, in a normal condition, after the sound absorbing material 6 is filled, the filling space always has some allowance, particularly when a plate type filler such as a glass wool plate is adopted, the supporting net is easy to incline towards the building surface after the device is installed, so that the sound absorbing effect and the uniformity are influenced, the sound absorbing material 6 can be further supported by the supporting net 8, the inclination of the sound absorbing material is prevented, the sound absorbing effect and the uniformity can be effectively improved, and the service life is prolonged.
Preferably, the bendable hanging piece 9 is adopted to fix the sound absorption structure on the building surface, namely, the hanging piece 9 is firstly fixed on the building surface by adopting steel nails or expansion screws 10, and then the keel is clamped and fixed after the two ends of the hanging piece are bent, so that the construction operation is very flexible, and the installation efficiency and the labor cost are greatly improved.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A pinch plate type sound absorption structure is characterized in that: the method comprises the following steps:
the face buckle plate comprises an end face and an installation part fixedly connected with the end face;
each fixing piece comprises a base and a support arranged on the base and used for being connected with the mounting part in a clamping manner, and a concave part is arranged at the top of the support;
each buckle plate keeps at least 4 clamping points when being connected with the fixing piece;
the face buckle plate and the fixing piece are all metal pieces.
2. The clip board sound absorbing construction of claim 1 wherein: the end face is provided with a sinking portion, and the sinking portion is attached to the sinking portion when the buckle plate is installed on the surface.
3. The clip board sound absorbing construction of claim 1 or 2 wherein: the support is provided with a mounting groove at the joint of the base, and when the mounting part is clamped in the mounting groove, a gap is reserved between the side surface of the base and the mounting part.
4. A clip board sound absorbing construction as set forth in claim 3, wherein: the sound absorbing construction has a slotting rate of 10% to 18%.
5. The clip board sound absorbing construction of claim 4 wherein: also included is a keel structure for connecting the building surface with the fixture; the number of the mounting parts of the face buckle plate is more than two; the top of the support is arranged to be horizontal or downward inclined from the middle to the two sides.
6. The clip board sound absorbing construction of claim 5 wherein: and a sound absorption material is filled between the building surface and the surface buckle plate.
7. The clip board sound absorbing construction of claim 6 wherein: the sound absorption material is a glass wool board, basalt rock wool or melamine wool.
8. The clip board sound absorbing construction of claim 6 wherein: a fabric layer is arranged between the sound absorption material and the fixing piece.
9. The clip board sound absorbing construction of claim 6 wherein: a layer of supporting net which is always in a stretching state when in use is arranged between the sound absorption material and the building surface.
10. The clip board sound absorbing construction of claim 5 wherein: the keel fixes the sound absorbing structure on the building surface through a bendable hanging piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312805.0U CN211691197U (en) | 2019-12-20 | 2019-12-20 | Buckle plate type sound absorption structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312805.0U CN211691197U (en) | 2019-12-20 | 2019-12-20 | Buckle plate type sound absorption structure |
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| CN211691197U true CN211691197U (en) | 2020-10-16 |
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| CN201922312805.0U Active CN211691197U (en) | 2019-12-20 | 2019-12-20 | Buckle plate type sound absorption structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982444A (en) * | 2021-10-28 | 2022-01-28 | 西安工程大学 | Noise reduction window |
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- 2019-12-20 CN CN201922312805.0U patent/CN211691197U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982444A (en) * | 2021-10-28 | 2022-01-28 | 西安工程大学 | Noise reduction window |
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