CN217455189U - Sound insulation module - Google Patents
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- CN217455189U CN217455189U CN202221223245.7U CN202221223245U CN217455189U CN 217455189 U CN217455189 U CN 217455189U CN 202221223245 U CN202221223245 U CN 202221223245U CN 217455189 U CN217455189 U CN 217455189U
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Abstract
The application discloses a sound insulation module which comprises a sound insulation module body, wherein the sound insulation module body comprises a sound insulation frame and a filling layer positioned in the sound insulation frame; the filling layer is tightly attached to the inner wall of the sound insulation frame; the sound insulation frame is formed by splicing a main panel, a back plate and two side plates; the filling layer comprises a sound insulation layer, a first filling layer and a second filling layer which are tightly attached in sequence, and the sound insulation layer and the second filling layer are fixedly attached to the inner sides of the back plate and the main panel respectively. The utility model discloses a different sound insulation, sound absorbing material have improved the effect that sound and sound insulation were handled is inhaled to buildings etc. can splice the combination simultaneously, are applied to in the different sound insulation scenes.
Description
Technical Field
The application relates to a sound insulation module, and belongs to the technical field of sound insulation.
Background
In order to prevent external noise from invading, a small chamber with good sound insulation performance is built in a local environment space with strong noise to form a quiet small chamber or room so as to protect the hearing of workers; the existing sound insulation module has poor sound insulation effect; the existing sound insulation structure can not be assembled, and the application range is small. To this end, a sound insulation module is disclosed.
SUMMERY OF THE UTILITY MODEL
According to an aspect of the application, a sound insulation module is provided, and the structure is good in sound insulation effect and wide in application range.
A sound insulation module is characterized by comprising a sound insulation module body, wherein the sound insulation module body comprises a sound insulation frame and an inner filling layer positioned in the sound insulation frame;
the filling layer is tightly attached to the inner wall of the sound insulation frame;
the sound insulation frame is formed by splicing a main panel, a back plate and two side plates;
the filling layer comprises a sound insulation layer, a first filling layer and a second filling layer which are tightly attached in sequence, and the sound insulation layer and the second filling layer are fixedly attached to the inner sides of the back plate and the main panel respectively;
the adjacent sound insulation modules can be assembled through the side plates, and the side plates at the two ends are different in structure.
Optionally, the first filling layer and the second filling layer both include acoustic cotton, the outer surface of the acoustic cotton is coated with sound absorption cloth, and the density of the acoustic cotton in the first filling layer is greater than that of the acoustic cotton in the second filling layer.
Optionally, the acoustic cotton in the second filling layer is 24-48kg/m 3 The acoustic cotton in the first filling layer is 48-96kg/m 3 Acoustic cotton.
Optionally, the sound insulation layer is a damping composite sound insulation layer, the damping composite sound insulation layer comprises a steel plate and a sound insulation felt, and the steel plate is connected with the sound insulation felt in a sealing mode.
Optionally, the side panels include a first side panel and a second side panel;
the first side plate comprises a first U-shaped plate and a first connecting plate, the first connecting plate comprises a first L-shaped plate, a second L-shaped plate, a third L-shaped plate and a fourth L-shaped plate, one end of the first L-shaped plate is fixedly connected with one end of the back plate, the other end of the first L-shaped plate is fixedly connected with one end of the second L-shaped plate, one ends of the third L-shaped plate and the fourth L-shaped plate are respectively fixedly connected with the other end of the second L-shaped plate and one end of the main panel to form symmetrical gaps, and two ends of the first U-shaped plate are respectively clamped in the gaps;
the second side board includes second U template and second connecting plate, the second connecting plate includes fifth L template, riser, second riser, third riser and sixth L template, the one end of fifth L template with the other end fixed connection of backplate, just the side of this link of fifth L template with the backplate is parallel, riser one end with the perpendicular fixed connection of the other end of fifth L template, sixth L template one end with the other end fixed connection of interarea board, the one end of riser the other end of sixth L template respectively with the one end of second riser the one end of third riser all forms the clearance of symmetry, the both ends difference joint of second U template is in the clearance.
Optionally, a first gap is formed between the fifth L-shaped plate and the back plate, and the thickness of the first gap is consistent with that of the sound insulation layer;
the first L-shaped plate and the second L-shaped plate are connected with each other to form a step structure extending towards the back plate, and when the sound insulation module is assembled, the second L-shaped plate and the fifth L-shaped plate form a cavity;
the depth of the first U-shaped plate is greater than that of the second U-shaped plate;
the width of the first U-shaped plate is larger than that of the second U-shaped plate;
the height of the fifth L-shaped plate close to the side face of the back plate is consistent with the vertical height from the end, connected with the first L-shaped plate, of the back plate to the end, connected with the second L-shaped plate, of the second L-shaped plate, and the fifth L-shaped plate is matched and connected when the sound insulation module is assembled;
the height of the side face of the end, connected with the main panel, of the fourth L-shaped plate is consistent with the height of the side face of the end, connected with the third vertical plate, of the sixth L-shaped plate, and the sound insulation modules are connected in a matched mode when being assembled.
Optionally, the main panel and the back plate are both metal plates, and the main panel is provided with a plurality of sound absorption holes.
Optionally, the metal plate is a steel plate or an aluminum plate, and a protective coating is arranged on the surface of the metal plate; the protective coating is a galvanized coating.
Optionally, the thickness of the main panel and the back panel is 0.5-1.5mm, and the thickness of the sound-proof felt is 2-3 mm.
The beneficial effects that this application can produce include:
1) the application provides a module gives sound insulation has sound insulation layer, first filling layer and second filling layer sound absorption and sound insulation material and as the filling layer, possesses multilayer filling material and plays sound insulation, sound absorption effect, and it is cotton to wrap up the acoustics outside filling layer sound absorption cloth simultaneously, makes sound insulation, sound absorption effect more obvious, inhales the sound insulation bandwidth and obviously increases for when equipment sound insulation, also demonstrate good low frequency performance.
2) The utility model provides a module gives sound insulation has special sound insulation frame design, can splice each other, forms bigger sound insulation structure, and its structural performance and physical properties all have very big promotion to be the new product that can freely change the combination, the range of application is wide.
Drawings
FIG. 1 is a schematic view of an acoustic isolation module according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a sound insulation frame according to an embodiment of the present application;
FIG. 3 is a schematic diagram showing the detection results of sound insulation quantity of sound insulation structures with different specifications in the embodiment of the application;
FIG. 4 illustrates a first assembly of an acoustic isolation structure according to an embodiment of the present application;
FIG. 5 is a second assembly of the acoustically insulating structure of one embodiment of the present application;
list of parts and reference numerals: 1-sound insulation frame; 2-a main panel; 3-a back plate; 4-a sound-insulating layer; 5-a first filling layer; 6-a second filling layer; 7-a first U-shaped plate; 8-a first L-shaped plate; 9-a second L-shaped plate; 10-a third L-shaped plate; 11-a fourth L-shaped panel; 12-a second U-shaped plate; 13-a fifth L-shaped panel; 14-a first riser; 15-a second riser; 16-a third riser; 17-sixth L-shaped plate.
Detailed Description
The present application will be described in detail with reference to examples, but the present application is not limited to these examples.
Referring to fig. 1-2, a sound insulation module comprises a sound insulation module body, wherein the sound insulation module body comprises a sound insulation frame 1 and a filling layer positioned in the sound insulation frame 1;
the filling layer is tightly attached to the inner wall of the sound insulation frame 1;
the sound insulation frame is formed by splicing a main panel 2, a back panel 3 and two side plates;
the filling layers comprise a sound insulation layer 4, a first filling layer 5 and a second filling layer 6 which are tightly attached in sequence, and the sound insulation layer 4 and the second filling layer 6 are fixedly attached to the inner sides of the back plate 3 and the main panel 2 respectively;
the adjacent sound insulation modules can be assembled through the side plates, and the side plates at the two ends are different in structure.
Specifically, the sound insulation module is 500-12000mm long, 500mm high and 50-150mm wide.
The acoustic cotton in the second filling layer is 24-48kg/m 3 The acoustic cotton in the first filling layer is 48-96kg/m 3 Acoustic cotton.
The sound insulation layer 4 is a damping composite sound insulation layer, the damping composite sound insulation layer comprises a steel plate and a sound insulation felt, the steel plate is connected with the sound insulation felt in a sealing mode, and the thickness of the sound insulation felt is 2-3 mm.
Respectively placing the sound-proof felts with the thickness of 3mm into large holes (15 m) 3 ) And a small opening (10 m) 3 ) Detection of internal sound insulationEvaluation, the detection evaluation results are as follows:
TABLE 1 sound insulation volume unit of sound insulation layer with different thickness of large opening: dB
TABLE 2 sound insulation quantity unit of sound insulation layer with different thickness of small opening: dB
The sound insulation layer evaluation results are as follows: r w (C；C tr ) > 23 dB. Wherein R is w Refers to the weighted sound insulation of the building component;
c is pink noise spectrum correction;
C tr is the traffic noise spectrum correction.
According to the detection and evaluation results, compared with the sound insulation felt with different MK thicknesses, the physical properties of the sound insulation felt are greatly improved, the sound insulation bandwidth is obviously increased, and the sound insulation effect is good and relatively stable.
The side plates comprise a first side plate and a second side plate;
the first side plate comprises a first U-shaped plate 7 and a first connecting plate, the first connecting plate comprises a first L-shaped plate 8, a second L-shaped plate 9, a third L-shaped plate 10 and a fourth L-shaped plate 11, one end of the first L-shaped plate 8 is fixedly connected with one end of the back plate 3, the other end of the first L-shaped plate 8 is fixedly connected with one end of the second L-shaped plate 9, one ends of the third L-shaped plate 10 and the fourth L-shaped plate 11 are respectively fixedly connected with the other end of the second L-shaped plate 9 and one end of the main panel 2 to form symmetrical gaps, and two ends of the first U-shaped plate 7 are respectively clamped in the gaps;
specifically, first L template with the length of the one end that the backplate is connected is 4mm, first L template with the one end length that the second L template is connected is 11mm, the second L template with the length of the one end that first L template is connected is 11mm, the other end length of second L template is 42.5 mm.
The second side plate comprises a second U-shaped plate 12 and a second connecting plate, the second connecting plate comprises a fifth L-shaped plate 13, a first vertical plate 14, a second vertical plate 15, a third vertical plate 16 and a sixth L-shaped plate 17, one end of the fifth L-shaped plate 13 is fixedly connected with the other end of the backboard 3, the side face of the connecting end of the fifth L-shaped plate 13 is parallel to the backboard 3, one end of the first vertical plate 14 is fixedly connected with the other end of the fifth L-shaped plate 13 in a perpendicular mode, one end of the sixth L-shaped plate 17 is fixedly connected with the other end of the main panel 1, one end of the first vertical plate 14 and the other end of the sixth L-shaped plate 17 are respectively connected with one end of the second vertical plate 15 and one end of the third vertical plate 16 to form symmetrical gaps, and the two ends of the second U-shaped plate 12 are respectively clamped in the gaps.
Specifically, the fifth L template with the length of the one end that the backplate is connected is 53.5mm, the other end length of fifth L template is 16mm, the length of first riser, the length of the one end that sixth L template and third riser are connected is 20.5mm, the other end length of sixth L template is 4 mm.
A first gap is formed between the fifth L-shaped plate 13 and the back plate 3, and the thickness of the first gap is consistent with that of the sound insulation layer;
the first L-shaped plate 8 and the second L-shaped plate 9 are connected with each other to form a step structure extending towards the back plate 3, and when the sound insulation module is assembled, the second L-shaped plate 9 and the fifth L-shaped plate 13 form a cavity;
the depth of the first U-shaped plate 7 is greater than that of the second U-shaped plate 12, specifically, the depth of the first U-shaped plate is 20.5mm, and the depth of the second U-shaped plate is 10.5 mm;
the width of the first U-shaped plate 7 is larger than that of the second U-shaped plate 12;
the height of the fifth L-shaped plate 13 close to the side face of the back plate 3 is consistent with the vertical height from the end, connected with the first L-shaped plate 8, of the back plate 3 to the end, connected with the third L-shaped plate 10, of the second L-shaped plate 9, and the sound insulation modules are assembled in a matching mode;
the height of the side face of the end, connected with the main panel 2, of the fourth L-shaped plate 11 is consistent with the height of the side face of the end, connected with the third vertical plate 16, of the sixth L-shaped plate 17, and the sound insulation modules are connected in a matched mode when being assembled.
The length is herein the distance length of the parts as shown in fig. 2.
The main panel 2 and the back plate 3 are both metal plates, and a plurality of sound absorption holes are formed in the main panel 2.
The metal plate is a steel plate or an aluminum plate, and the surface of the metal plate is provided with a protective coating; the protective coating is a galvanized coating.
The thickness of the main panel 2 and the back panel 3 is 0.5-1.5 mm.
The sound insulation module is generally made by using steel plates as a main panel and a back panel, and filling sound absorption and insulation materials in the sound insulation module. The sound barrier is different from the existing sound barrier and sound insulation board, the structural performance and the physical performance of the sound barrier are greatly improved compared with the existing acoustic product, the sound absorption and insulation bandwidth is obviously increased, and when the sound barrier is used for sound insulation of equipment, the good low-frequency performance of the sound barrier and the sound insulation board can be well expressed. It is a new product which can be freely and changeably combined. Can be combined into any noise reduction equipment, such as a sound insulation cover, a sound insulation room and sound insulation of the top surface of an indoor wall. The good sound absorption and insulation performance and the fireproof and corrosion-resistant performance make the application range of the composite material very wide. In general, it can be used anywhere noise control is required. Therefore, an acoustic noise reduction product can be assembled very simply and conveniently, and time cost is greatly saved. The output of the sound insulation module is 6 blocks per minute, so that if a sound insulation room needs to be prepared, the production and installation can be completed in one day, and the sound insulation module has epoch-making significance for the noise control industry.
Referring to fig. 4-5, after the sound insulation modules are processed, the sound insulation modules can be spliced into corresponding sound insulation equipment, such as a sound insulation cover, a sound insulation room and the like, one of the sound insulation modules can be spliced into two sound insulation modules correspondingly through clamping of different side plates, when the sound insulation modules are assembled, the second L-shaped plate 9 and the fifth L-shaped plate 13 form a cavity, the cavity is used for installation and binding on related equipment, a gap filling sealing adhesive tape is formed between the two side plates, namely the first U-shaped plate and the second U-shaped plate, and the splicing mode has the effects of frequency conversion, shock absorption, heat preservation, water prevention and the like; secondly, arranging transparent plate sound insulation frames at the end parts of a first U-shaped plate and a second U-shaped plate of different side plates of two sound insulation modules, correspondingly arranging grooves in the centers of the transparent plate sound insulation frames, embedding glass into the grooves to form clamping and splicing of the two sound insulation modules, and correspondingly sealing the side plates at the other two ends of the sound insulation modules; meanwhile, the multiple sound insulation modules can be correspondingly spliced.
The first embodiment is as follows:
a special filler wall (a 360mm brick wall made of double-sided plastering) with high sound insulation performance is additionally built in a test hole, and a sound insulation module with the thickness of 2500mm by 500mm by 50mm is placed in the filler wall, and the periphery of the filler wall is sealed without sound leakage. Testing equipment: AWA6290L multichannel Analyzer, B&A K2270 analyzer; temperature of sound generating chamber and sound receiving chamber: 21.7 ℃ and 21.6 ℃; humidity of sound generating chamber and sound receiving chamber: 65.8 percent and 65.1 percent; volume of sound generating chamber and sound receiving chamber: 56.889m 3 、48.125m 3 (ii) a Sound generating chamber and sound receiving chamber size: 4.90m 4.30m 2.7m, 5.00m 3.85m 2.5 m.
The frequency range evaluated with the acoustic insulation module of this specification is compared with an airborne sound reference curve with a single value evaluation result of 36db,
the evaluation results of the sound insulation module of the specification are as follows:
R w (C；C tr )＝36(-1；-2)dB；C 100-5000 ＝-1dB；C tr,100-5000 ＝-2dB。
wherein R is w Refers to the weighted sound insulation of the building component;
c is pink noise spectrum correction;
C tr is the traffic noise spectrum correction.
The second embodiment:
a special filler wall (a 360mm brick wall made of double-sided plastering) with high sound insulation performance is additionally built in a test hole, and a sound insulation module with the thickness of 2500mm by 500mm by 75mm is placed in the filler wall, and the periphery of the filler wall is sealed without sound leakage. Testing equipment: AWA6290L multichannel Analyzer, B&A K2270 analyzer; temperature of sound generating chamber and sound receiving chamber: 21.7 ℃ and 21.6 ℃; humidity of sound generating chamber and sound receiving chamber: 65.8 percent and 65.1 percent; volume of sound generating chamber and sound receiving chamber: 56.889m 3 、48.125m 3 (ii) a The sizes of the sound generating chamber and the sound receiving chamber are as follows: 4.90m 4.30m 2.7m, 5.00m 3.85m 2.5 m.
The frequency range evaluated by the sound insulation module of the specification is compared with an air sound reference curve with a single value evaluation result of 39db,
the evaluation results of the sound insulation module of the specification are as follows:
R w (C；C tr )＝39(-2；-5)dB；C 100-5000 ＝-1dB；C tr,100-5000 ＝-5dB。
wherein R is w Refers to the weighted sound insulation of the building component;
c is pink noise spectrum correction;
C tr is the traffic noise spectrum correction.
Example three:
a special filler wall (a 360mm brick wall made of double-sided plastering) with high sound insulation performance is additionally built in a test hole, and a sound insulation module with the thickness of 2500mm by 500mm by 96mm is placed in the filler wall, and the periphery of the filler wall is sealed without sound leakage. Testing equipment: AWA6290L multichannel Analyzer, B&A K2270 analyzer; temperature of sound generating chamber and sound receiving chamber: 21.7 ℃ and 21.6 ℃; humidity of sound generating chamber and sound receiving chamber: 65.8 percent and 65.1 percent; volume of sound generating chamber and sound receiving chamber: 56.889m 3 、48.125m 3 (ii) a Sound generating chamber and sound receiving chamber size: 4.90m 4.30m 2.7m, 5.00m 3.85m 2.5 m.
The frequency range evaluated with the acoustic insulation module of this specification was compared with an airborne sound reference curve having a single value evaluation result of 42db,
the evaluation results of the sound insulation module of the specification are as follows:
R w (C；C tr )＝42(-1；-2)dB；C 100-5000 ＝-1dB；C tr,100-5000 ＝-2dB。
wherein R is w Refers to the weighted sound insulation of the building component;
c is pink noise spectrum correction;
C tr is the traffic noise spectrum correction.
Example four:
a special gap-filling wall (a 360mm brick wall constructed by double-sided plastering) with high enough sound insulation performance is additionally built in the test hole, and a sound insulation module with 2500mm 500mm 100mm is placed in the gap-filling wall, and the periphery of the sound insulation module is sealed without sound leakage. Testing equipment: AWA6290L multichannel Analyzer, B&A K2270 analyzer; temperature of sound generating chamber and sound receiving chamber: 21.7 ℃ and 21.6 ℃; humidity of sound generating chamber and sound receiving chamber: 65.8 percent and 65.1 percent; volume of sound generating chamber and sound receiving chamber: 56.889m 3 、48.125m 3 (ii) a Sound generating chamber and sound receiving chamber size: 4.90m 4.30m 2.7m, 5.00m 3.85m 2.5 m.
The frequency range evaluated with the soundproofing module of this specification was compared with an airborne sound reference curve with a single value evaluation result of 43db,
the evaluation results of the sound insulation module of the specification are as follows:
R w (C；C tr )＝43(-1；-3)dB；C 100-5000 ＝-3dB；C tr,100-5000 ＝-3dB。
wherein R is w Refers to the weighted sound insulation of the building component;
c is pink noise spectrum correction;
C tr is the traffic noise spectrum correction.
Example five:
a special filler wall (a 360mm brick wall made of double-sided plastering) with high sound insulation performance is additionally built in a test hole, and a sound insulation module with the thickness of 2500mm by 500mm by 125mm is placed in the filler wall, and the periphery of the filler wall is sealed without sound leakage. Testing equipment: AWA6290L multichannel Analyzer, B&A K2270 analyzer; temperature of sound generating chamber and sound receiving chamber: 21.7 ℃ and 21.6 ℃; humidity of sound generating chamber and sound receiving chamber: 65.8 percent and 65.1 percent; volume of sound generating chamber and sound receiving chamber: 56.889m 3 、48.125m 3 (ii) a Sound generating chamber and sound receiving chamber size: 4.90m 4.30m 2.7m, 5.00m 3.85m 2.5 m.
The frequency range evaluated with the sound insulation module of the specification is compared with an airborne sound reference curve with a single-value evaluation result of 45db,
the evaluation results of the sound insulation module of the specification are as follows:
R w (C；C tr )＝45(-1；-3)dB；C 100-5000 ＝-1dB；C tr,100-5000 ＝-3dB。
wherein R is w Refers to the weighted sound insulation of the building component;
c is pink noise spectrum correction;
C tr is the traffic noise spectrum correction.
Example six:
a special filler wall (a 360mm brick wall made of double-sided plastering) with high sound insulation performance is additionally built in a test hole, and a sound insulation module with the thickness of 2500mm by 500mm by 150mm is placed in the filler wall, and the periphery of the filler wall is sealed without sound leakage. Testing equipment: AWA6290L multichannel Analyzer, B&A K2270 analyzer; temperature of sound generating chamber and sound receiving chamber: 21.7 ℃ and 21.6 ℃; humidity of sound generating chamber and sound receiving chamber: 65.8 percent and 65.1 percent; volume of sound generating chamber and sound receiving chamber: 56.889m 3 、48.125m 3 (ii) a The sizes of the sound generating chamber and the sound receiving chamber are as follows: 4.90m 4.30m 2.7m, 5.00m 3.85m 2.5 m.
The frequency range evaluated with the acoustic insulation module of this specification was compared with an airborne sound reference curve having a single value evaluation result of 47db,
the evaluation results of the sound insulation module of the specification are as follows:
R w (C；C tr )＝47(-1；-3)dB；C 100-5000 ＝-1dB；C tr,100-5000 ＝-3dB。
wherein R is w Refers to the weighted sound insulation of the building component;
c is pink noise spectrum correction;
C tr is the traffic noise spectrum correction.
Wherein, the sound insulation module of each embodiment is compared with the sound insulation quantity of the market products:
TABLE 3 Sound insulation quantity comparison of sound insulation module
Unit: dB
This module gives sound insulation is effectual and the effect is stable.
Although the present application has been described with reference to a few embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application as defined by the appended claims.
Claims (9)
1. A sound insulation module is characterized by comprising a sound insulation module body, wherein the sound insulation module body comprises a sound insulation frame (1) and an inner filling layer positioned in the sound insulation frame (1);
the filling layer is tightly attached to the inner wall of the sound insulation frame (1);
the sound insulation frame is formed by splicing a main panel (2), a back plate (3) and two side plates;
the filling layers comprise a sound insulation layer (4), a first filling layer (5) and a second filling layer (6) which are tightly attached in sequence, and the sound insulation layer (4) and the second filling layer (6) are fixedly attached to the inner sides of the back plate (3) and the main panel (2) respectively;
the adjacent sound insulation modules can be assembled through the side plates, and the side plates at the two ends are different in structure.
2. The acoustic insulation module according to claim 1, wherein the first and second filling layers (5, 6) each comprise acoustic cotton, the outer surface of which is coated with sound-absorbing cloth, the density of the acoustic cotton in the first filling layer (5) being greater than the density of the acoustic cotton in the second filling layer (6).
3. The acoustic insulation module according to claim 2, characterized in that the acoustic cotton in the second filling layer (6) is 24-48kg/m 3 The acoustic cotton in the first filling layer (5) is 48-96kg/m 3 Acoustic cotton.
4. The acoustic insulation module according to claim 1, wherein the acoustic insulation layer (4) is a damping composite acoustic insulation layer comprising a steel plate and an acoustic felt, the steel plate and the acoustic felt being sealingly connected.
5. The acoustic baffle module of claim 1 wherein the side panels comprise a first side panel and a second side panel;
the first side plate comprises a first U-shaped plate (7) and a first connecting plate, the first connecting plate comprises a first L-shaped plate (8), a second L-shaped plate (9), a third L-shaped plate (10) and a fourth L-shaped plate (11), one end of the first L-shaped plate (8) is fixedly connected with one end of the back plate (3), the other end of the first L-shaped plate (8) is fixedly connected with one end of the second L-shaped plate (9), one ends of the third L-shaped plate (10) and the fourth L-shaped plate (11) are respectively fixedly connected with the other end of the second L-shaped plate (9) and one end of the main panel (2) to form symmetrical gaps, and two ends of the first U-shaped plate (7) are respectively clamped in the gaps;
the second side plate comprises a second U-shaped plate (12) and a second connecting plate, the second connecting plate comprises a fifth L-shaped plate (13), a first vertical plate (14), a second vertical plate (15), a third vertical plate (16) and a sixth L-shaped plate (17), one end of the fifth L-shaped plate (13) is fixedly connected with the other end of the back plate (3), the side face of the connecting end of the fifth L-shaped plate (13) is parallel to the back plate (3), one end of the first vertical plate (14) is vertically and fixedly connected with the other end of the fifth L-shaped plate (13), one end of the sixth L-shaped plate (17) is fixedly connected with the other end of the main panel (2), one end of the first vertical plate (14) and the other end of the sixth L-shaped plate (17) respectively form symmetrical gaps with one end of the second vertical plate (15) and one end of the third vertical plate (16), and two ends of the second U-shaped plate (12) are respectively clamped in the gaps.
6. The acoustic insulation module according to claim 5, characterized in that a first gap is formed between the fifth L-shaped plate (13) and the back plate (3), the first gap corresponding to the thickness of the acoustic insulation layer;
the first L-shaped plate (8) and the second L-shaped plate (9) are connected with each other to form a step structure extending towards the back plate (3), and when the sound insulation module is assembled, the second L-shaped plate (9) and the fifth L-shaped plate (13) form a cavity;
the depth of the first U-shaped plate (7) is greater than that of the second U-shaped plate (12);
the width of the first U-shaped plate (7) is larger than that of the second U-shaped plate (12);
the height of the fifth L-shaped plate (13) close to the side face of the back plate (3) is consistent with the vertical height from one end of the back plate (3) connected with the first L-shaped plate (8) to one end of the second L-shaped plate (9) connected with the third L-shaped plate (10) for assembly of the sound insulation module;
the height of the side face of one end, connected with the main panel (2), of the fourth L-shaped plate (11) is consistent with the height of the side face of one end, connected with the third vertical plate (16), of the sixth L-shaped plate (17) in a matched mode when the sound insulation modules are assembled.
7. The acoustic insulation module according to claim 1, wherein the main panel (2) and the back panel (3) are both metal plates, and the main panel (2) is provided with a plurality of sound absorption holes.
8. The acoustic baffle module of claim 7 wherein the metal plate is a steel or aluminum plate, the metal plate surface being provided with a protective coating; the protective coating is a galvanized coating.
9. The acoustic insulation module according to claim 4, wherein the main panel (2) and the back sheet (3) have a thickness of 0.5-1.5mm, and the acoustic felt has a thickness of 2-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221223245.7U CN217455189U (en) | 2022-05-20 | 2022-05-20 | Sound insulation module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221223245.7U CN217455189U (en) | 2022-05-20 | 2022-05-20 | Sound insulation module |
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| CN217455189U true CN217455189U (en) | 2022-09-20 |
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| CN202221223245.7U Active CN217455189U (en) | 2022-05-20 | 2022-05-20 | Sound insulation module |
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