CN212453146U - Clamping groove type sound absorption board - Google Patents
Clamping groove type sound absorption board Download PDFInfo
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- CN212453146U CN212453146U CN202020675283.0U CN202020675283U CN212453146U CN 212453146 U CN212453146 U CN 212453146U CN 202020675283 U CN202020675283 U CN 202020675283U CN 212453146 U CN212453146 U CN 212453146U
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- plate
- sound absorption
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- type sound
- groove
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model discloses a draw-in groove formula acoustic baffle, the acoustic baffle include the inner panel towards the sound source to and be the planking that the U font was laminated in the inner panel, the junction of planking and inner panel upper portion is the recess face, and the junction of planking and inner panel lower part is protruding mesa, the recess face be equipped with a horizontal trapezoidal recess, the boss face be equipped with the trapezoidal boss that trapezoidal recess corresponds; a plurality of rows of louver structures are arranged on the inner plate; and a centrifugal glass plate is filled between the inner plate and the outer plate. In the utility model, the clamping groove structure is adopted, the sealing effect is good, and the installation is convenient; by adopting the shutter structure, better sound absorption efficiency is obtained, and the sound insulation quantity of the sound absorption plate is more than 35 dB.
Description
Technical Field
The utility model particularly relates to a draw-in groove formula acoustic baffle.
Background
With the development of social economy, people have higher and higher requirements on reducing environmental noise. On a sound insulation cover body which needs noise reduction locally in a place with a larger noise range or a workshop in a factory, the conventional sound insulation means has the problems of complex installation, poor sealing performance and poor sound insulation effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art, the utility model provides a clamping groove type sound-absorbing plate, which comprises an inner plate facing to a sound source and an outer plate which is in a U shape and is attached to the inner plate, wherein the joint of the outer plate and the upper part of the inner plate is a groove surface, the joint of the outer plate and the lower part of the inner plate is a convex table surface, the groove surface is provided with a horizontal trapezoidal groove, and the convex table surface is provided with a trapezoidal boss corresponding to the trapezoidal groove; a plurality of rows of louver structures are arranged on the inner plate; and a centrifugal glass plate is filled between the inner plate and the outer plate.
Further, the louver structure of the inner plate is formed by stamping through a die.
Furthermore, the inner plate has a perforation rate of more than or equal to 20%.
Furthermore, the surface of the centrifugal glass plate is coated with hydrophobic glass fiber cloth.
Furthermore, the joint of the inner plate and the outer plate is provided with a rivet connecting hole to realize riveting.
Furthermore, the inner plate and the outer plate are both galvanized plates.
Furthermore, an internal reinforcing plate is arranged inside the sound absorption plate, and the internal reinforcing plate is arranged in the middle of the outer plate.
Furthermore, the surface of the sound absorption plate is subjected to plastic spraying treatment.
Has the advantages that: in the utility model, the clamping groove structure is adopted, the sealing effect is good, and the installation is convenient; by adopting the shutter structure, better sound absorption efficiency is obtained, and the sound insulation quantity of the sound absorption plate is more than 35 dB.
Drawings
FIG. 1 is a perspective view of a card slot type sound absorption board;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the cross-section of FIG. 2A-A;
in the figure: 1. the structure comprises an inner plate, 2, an outer plate, 3, a trapezoidal groove, 4, a trapezoidal boss, 5, a shutter structure, 6, a rivet connecting hole, 7, an internal reinforcing plate and 8, a centrifugal glass plate.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
As shown in fig. 1-3, a slot-type acoustic board comprises an inner board 1 facing a sound source and an outer board 2 attached to the inner board in a U shape, wherein a groove surface is formed at the joint of the outer board 2 and the upper part of the inner board 1, a raised table surface is formed at the joint of the outer board and the lower part of the inner board, a horizontal trapezoidal groove 3 is formed on the groove surface, and a trapezoidal boss 4 corresponding to the trapezoidal groove is formed on the raised table surface; a plurality of rows of louver structures 5 are arranged on the inner plate; a centrifugal glass plate 8 is filled between the inner plate 1 and the outer plate 2; the surface of the centrifugal glass plate 8 is coated with hydrophobic glass cloth.
In this embodiment, the louver structure of the inner panel is formed by stamping with a die; the perforation rate of the inner plate is more than or equal to 20 percent.
In the embodiment, a rivet connecting hole 6 is arranged at the joint of the inner plate and the outer plate to realize riveting; the inner plate and the outer plate are both galvanized plates.
In this embodiment, an internal reinforcing plate 7 is disposed inside the sound absorbing plate, and the internal reinforcing plate 7 is installed in the middle of the outer plate.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The clamping groove type sound absorption plate is characterized by comprising an inner plate facing a sound source and an outer plate attached to the inner plate in a U shape, wherein the joint of the upper part of the outer plate and the upper part of the inner plate is a groove surface, the joint of the lower part of the outer plate and the lower part of the inner plate is a convex table surface, the groove surface is provided with a horizontal trapezoidal groove, and the convex table surface is provided with a trapezoidal boss corresponding to the trapezoidal groove; a plurality of rows of louver structures are arranged on the inner plate; and a centrifugal glass plate is filled between the inner plate and the outer plate.
2. The card slot type sound-absorbing panel as claimed in claim 1, wherein the louver structure of the inner panel is formed by punching with a die.
3. The card slot type sound absorption board as claimed in claim 2, wherein the inner board has a perforation rate of not less than 20%.
4. The card slot type sound absorption board as claimed in claim 1, wherein the centrifugal glass plate is coated with hydrophobic glass cloth.
5. The snap-in groove type sound absorption board as claimed in claim 1, wherein the joint of the inner board and the outer board is provided with a rivet connecting hole for riveting.
6. The snap-in acoustical board of claim 1, wherein the inner and outer panels are galvanized.
7. The snap-in type sound-absorbing panel as claimed in claim 1, wherein an internal reinforcing plate is provided inside the sound-absorbing panel, and the internal reinforcing plate is installed in the middle of the outer panel.
8. The card slot type sound absorption board as claimed in claim 1, wherein the surface of the sound absorption board is treated by plastic spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020675283.0U CN212453146U (en) | 2020-04-28 | 2020-04-28 | Clamping groove type sound absorption board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020675283.0U CN212453146U (en) | 2020-04-28 | 2020-04-28 | Clamping groove type sound absorption board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212453146U true CN212453146U (en) | 2021-02-02 |
Family
ID=74469371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020675283.0U Active CN212453146U (en) | 2020-04-28 | 2020-04-28 | Clamping groove type sound absorption board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212453146U (en) |
-
2020
- 2020-04-28 CN CN202020675283.0U patent/CN212453146U/en active Active
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