CN213904927U - Dampproof sound absorption material - Google Patents
Dampproof sound absorption material Download PDFInfo
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- CN213904927U CN213904927U CN202022524687.2U CN202022524687U CN213904927U CN 213904927 U CN213904927 U CN 213904927U CN 202022524687 U CN202022524687 U CN 202022524687U CN 213904927 U CN213904927 U CN 213904927U
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Abstract
The utility model discloses a dampproofing sound absorbing material, including planking, medium plate and inner panel, planking lower extreme fixed connection medium plate, medium plate lower extreme fixed connection inner panel, set up the cavity in the medium plate, a plurality of through-hole is seted up to the medium plate upper end, and through-hole intercommunication cavity, four springs of through-hole inner wall installation one, a spring one end installation semicircle piece one, a plurality of semicircle bump one of semicircle piece surface mounting, set up the acoustic celotex board in the cavity, a plurality of through hole is seted up to the acoustic celotex board upper end, a plurality of triangle bump of through-hole inner wall installation, bilateral symmetry installation dead lever in the acoustic celotex board, and dead lever fixed connection cavity, dead lever and acoustic celotex board sliding connection, the position installation semicircle piece two of through hole is corresponded to the bottom in the cavity, and semicircle piece two surface mounting a plurality of semicircle bump two. The utility model discloses a consumption layer upon layer of sound wave energy reaches the best sound effect of inhaling.
Description
Technical Field
The utility model relates to a material specifically is a dampproofing sound absorbent.
Background
The sound absorbing material is impedance matched to the acoustic properties of the surrounding sound-transmitting medium, so that sound energy enters the sound absorbing material without reflection and the incident sound energy is absorbed for the most part. A material that absorbs incident acoustic energy by its own porosity, membrane action or resonance action, one of the components of the ultrasound examination apparatus. The conventional sound absorbing materials often absorb sound through their own porosity, and thus the sound absorbing effect is not good. Therefore, the utility model provides a dampproofing sound absorbent to solve the problem of proposing among the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dampproofing sound absorbent to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a dampproofing sound absorbing material, including planking, medium plate and inner panel, planking lower extreme fixed connection medium plate, medium plate lower extreme fixed connection inner panel sets up the cavity in the medium plate, a plurality of through-hole is seted up to the medium plate upper end, and through-hole intercommunication cavity, four springs of through-hole inner wall installation are one, a spring one end installation semicircle piece one, a plurality of semicircle bump of surface mounting of semicircle piece one, set up the acoustic celotex board in the cavity, a plurality of through hole is seted up to the acoustic celotex board upper end, a plurality of triangle bump of through-hole inner wall installation, bilateral symmetry installation dead lever in the acoustic celotex board, and dead lever fixed connection cavity, dead lever and acoustic celotex board sliding connection, the position installation semicircle bump two that the bottom corresponds the through hole in the cavity, and a plurality of semicircle bump two surface mounting a plurality of semicircle bump two.
As a further scheme of the utility model, the inner panel includes puigging, dampproof course and heat preservation, and puigging, dampproof course and heat preservation from the top down are arranged in proper order, and fixed connection between puigging, dampproof course and the heat preservation.
As a further aspect of the present invention, each of the through holes is located between two adjacent through holes.
As a further aspect of the present invention, the through hole is funnel-shaped.
As the utility model discloses scheme further again, spring two is established to dead lever surface longitudinal symmetry cover, and both sides about the spring two is located the acoustic celotex board.
As a further proposal of the utility model, sound-absorbing cotton is arranged in the through hole.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a consumption layer upon layer of sound wave energy reaches the best sound effect of inhaling.
Drawings
Fig. 1 is a schematic structural diagram of a moisture-proof sound-absorbing material.
Fig. 2 is an enlarged view of a moisture-proof sound-absorbing material at a point a in fig. 1.
Fig. 3 is a schematic structural diagram of an inner plate in a moisture-proof sound-absorbing material.
In the figure: 1. an outer plate; 2. a middle plate; 21. a cavity; 22. a through hole; 3. a first semicircular block; 31. a first semicircular salient point; 32. a first spring; 4. a second semicircular block; 41. a semicircular convex point II; 5. a sound insulating board; 51. a through hole; 52. a triangular convex point; 53. sound-absorbing cotton; 6. fixing the rod; 61. a second spring; 7. an inner plate; 71. a sound insulating layer; 72. a moisture barrier; 73. and (7) an insulating layer.
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, in an embodiment of the present invention, a moisture-proof sound-absorbing material includes an outer plate 1, a middle plate 2 and an inner plate 7, wherein the lower end of the outer plate 1 is fixedly connected to the middle plate 2, the lower end of the middle plate 2 is fixedly connected to the inner plate 7, a cavity 21 is disposed in the middle plate 2, a plurality of through holes 22 are formed in the upper end of the middle plate 2, the through holes 22 communicate with the cavity 21, four springs one 32 are mounted on the inner wall of the through holes 22, a semicircular block one 3 is mounted on one end of each spring one 32, a plurality of semicircular bumps one 31 are mounted on the outer surface of each semicircular block one 3, a sound-insulating plate 5 is disposed in the cavity 21, a plurality of through holes 51 are formed in the upper end of the sound-insulating plate 5, each through hole 51 is located between two adjacent through holes 22, the through holes 51 are funnel-shaped, a plurality of triangular bumps 52 are mounted on the inner wall of the through holes 51, a sound-absorbing cotton 53 is disposed in the through holes 51, fixing rods 6 are symmetrically mounted on the fixing rods 6, and fixedly connected to the cavity 21, dead lever 6 and 5 sliding connection of acoustic celotex board, two 61 springs are established to 6 outer surface longitudinal symmetry covers of dead lever, and two 61 springs are located two sides about the acoustic celotex board 5, cavity 21 bottom corresponds two 4 semicircular blocks of position installation through hole 51, and two 4 outer surface mounting a plurality of semicircular bump of semicircular block are two 41, inner panel 7 includes puigging 71, dampproof course 72 and heat preservation 73, puigging 71, dampproof course 72 and heat preservation 73 from the top down arrange in proper order, and puigging 71, fixed connection between dampproof course 72 and the heat preservation 73.
The utility model discloses a theory of operation is: sound wave passes through between the through-hole 22 gets into cavity 21, consume the sound wave energy through semicircle piece one 3 and semicircle bump one 31, semicircle piece one 3 receives the sound wave and strikes, spring 32 slightly rocks, increase the consumption of sound wave energy, reentrant through hole 51 behind the sound wave energy entering cavity 21, carry out sound wave energy consumption through triangle bump 52, reduce the transmission of sound wave energy through inhaling sound cotton 53, carry out sound wave energy consumption through semicircle piece two 4 and semicircle bump two 41, reach the effect of sound insulation and inhale the sound.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A damp-proof sound absorption material comprises an outer plate (1), a middle plate (2) and an inner plate (7), and is characterized in that the lower end of the outer plate (1) is fixedly connected with the middle plate (2), the lower end of the middle plate (2) is fixedly connected with the inner plate (7), a cavity (21) is arranged in the middle plate (2), a plurality of through holes (22) are formed in the upper end of the middle plate (2), the through holes (22) are communicated with the cavity (21), four springs I (32) are installed on the inner walls of the through holes (22), a semicircular block I (3) is installed at one end of each spring I (32), a plurality of semicircular salient points I (31) are installed on the outer surface of each semicircular block I (3), a sound insulation plate (5) is arranged in the cavity (21), a plurality of through holes (51) are formed in the upper end of the sound insulation plate (5), a plurality of triangular salient points (52) are installed on the inner walls of the through holes (51), fixing rods (6) are installed in the sound insulation plate (5) in a left-right symmetry manner, and left mode, and right mode, the fixing rods (6) are fixedly connected with the cavity (21), the fixing rod (6) is connected with the sound insulation board (5) in a sliding mode, a semicircular block II (4) is installed at the position, corresponding to the through hole (51), of the bottom in the cavity (21), and a plurality of semicircular salient points II (41) are installed on the outer surface of the semicircular block II (4).
2. The moisture-proof sound-absorbing material as claimed in claim 1, wherein the inner panel (7) comprises a sound-insulating layer (71), a moisture-proof layer (72) and an insulating layer (73), the sound-insulating layer (71), the moisture-proof layer (72) and the insulating layer (73) are sequentially arranged from top to bottom, and the sound-insulating layer (71), the moisture-proof layer (72) and the insulating layer (73) are fixedly connected.
3. The moisture-proof sound-absorbing material as claimed in claim 1, wherein each of said through holes (51) is located between two adjacent through holes (22).
4. Moisture-proof sound-absorbing material according to claim 1, characterized in that the through-going hole (51) is funnel-shaped.
5. The moisture-proof sound-absorbing material as claimed in claim 1, wherein the second springs (61) are symmetrically sleeved on the outer surface of the fixing rod (6) up and down, and the second springs (61) are located on the upper and lower sides of the sound-insulating board (5).
6. Moisture-proof sound-absorbing material according to claim 1, characterized in that sound-absorbing cotton (53) is arranged in the through-going hole (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022524687.2U CN213904927U (en) | 2020-11-05 | 2020-11-05 | Dampproof sound absorption material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022524687.2U CN213904927U (en) | 2020-11-05 | 2020-11-05 | Dampproof sound absorption material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213904927U true CN213904927U (en) | 2021-08-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022524687.2U Active CN213904927U (en) | 2020-11-05 | 2020-11-05 | Dampproof sound absorption material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213904927U (en) |
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2020
- 2020-11-05 CN CN202022524687.2U patent/CN213904927U/en active Active
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