CN211257375U

CN211257375U - Metal composite sound absorption board

Info

Publication number: CN211257375U
Application number: CN201921632713.4U
Authority: CN
Inventors: 钱惠根
Original assignee: Shanghai Bowang New Environmental Materials Co ltd
Current assignee: Shanghai Bowang New Environmental Materials Co ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-08-14
Anticipated expiration: 2029-09-28

Abstract

The utility model discloses a metal composite acoustic board, include metal planking, metal tripe and inhale the sound sponge, the outside of metal planking is provided with the metal tripe, and the both sides welding of metal planking has the fixed column, the upper end of metal planking runs through there is the bolt, and the other end of bolt is connected with the inner panel, the inner wall both sides of inner panel are provided with the deadening felt, and the deadening felt runs through there is the triangle cavity, one side of triangle cavity is connected with circular cavity, and circular cavity's opposite side is connected with diaphragmatic sound cotton, diaphragmatic sound cotton be connected with inhale the sound sponge, the outer wall laminating of fixed column has the fixed slot, and the outer wall laminating of fixed slot has the punch. This metal composite sound absorbing board is provided with the triangle cavity and is the paralleling with circular cavity and distributes, and two cavity sounds of intercommunication spread into wherein continuous by the absorption sponge absorption on the cavity of being attached to, and sound collision circulation constantly simultaneously, consumption gradually is totally lost, plays the effect of fine separation sound.

Description

Metal composite sound absorption board

Technical Field

The utility model relates to an acoustic baffle technical field specifically is a metal composite acoustic baffle.

Background

The sound absorbing board is widely used in movie theaters, concert halls, museums and sound absorbing boards, can well absorb noise which is emitted from the outside and from the inside and affects new environment, has different requirements on the sound absorbing board in different places, and has different requirements on the material and the internal sound absorbing structure of the sound absorbing board.

The sound absorption plates in the market are not easy to install, only can absorb part of noise, the application range is not wide, and the used materials are easy to damage under the condition of external force collision.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal composite acoustic baffle to the difficult installation of acoustic baffle that proposes in solving above-mentioned background art can only absorb partly noise, and the scope of being suitable for is not extensive, and the material of use receives the problem of easy damage under the condition of external force collision.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a metal composite acoustic board, includes metal planking, metal tripe and inhales the sound sponge, the outside of metal planking is provided with the metal tripe, and the both sides welding of metal planking has the fixed column, the upper end of metal planking runs through there is the bolt, and the other end of bolt is connected with the inner panel, the inner wall both sides of inner panel are provided with the deadening felt, and the deadening felt runs through there is the triangle cavity, one side of triangle cavity is connected with circular cavity, and circular cavity's opposite side is connected with diaphragmatic sound cotton, diaphragmatic sound cotton is connected with inhales the sound sponge, the outer wall laminating of fixed column has the fixed slot, and the outer wall laminating of fixed slot has the punch holder, the lower extreme of punch holder is.

Preferably, the fixing columns are distributed on two sides of the metal outer plate at equal intervals, and a welding integrated framework is arranged between the fixing columns and the metal outer plate.

Preferably, the bolts are uniformly distributed along the vertical central axis of the metal outer plate, and the bolts and the metal outer plate are detachable.

Preferably, the sound-proof felt penetrates through the triangular cavity, and the sound-proof felt penetrates through the triangular cavity to form a frame structure.

Preferably, the triangular cavity and the circular cavity are distributed in parallel, and a communicating structure is arranged between the triangular cavity and the circular cavity.

Preferably, the upper clamping plate and the lower clamping plate are symmetrically distributed along the connecting plate, and are equal in length.

Compared with the prior art, the beneficial effects of the utility model are that: the fixing columns are distributed on two sides of the metal outer plate at equal intervals, the welding integrated structure ensures the firmness of the metal composite sound absorbing plate during splicing, holes do not need to be drilled on steel, labor and time are saved, the sectional area of the material is not reduced, the sound absorbing effect of the sound absorbing plate is not influenced, and the firmness and durability of the sound absorbing plate are ensured under the condition of ensuring the sound absorbing effect of the sound absorbing plate;

the bolts are uniformly distributed along the vertical central axis of the metal outer plate, the bolts are fixed firmly, conveniently and quickly when the bolts need to be replaced, and the complex problems of installation and replacement of the traditional sound absorbing plate can be avoided only by detaching the sound absorbing plate needing to be replaced and installing a new sound absorbing plate;

the sound-proof felt penetrates through the triangular cavity and is a high-density coiled sound-proof material with certain flexibility, and the sound-proof felt and the frame structure of the triangular cavity not only play a role in fixing the plate, but also can well eliminate noise;

the triangular cavity and the circular cavity are distributed in parallel, sound of the two communicated cavities is transmitted into the cavity and absorbed by the sound-absorbing sponge attached to the cavity, meanwhile, the sound is transmitted into the two empty cavities, the gradual consumption is almost eliminated when the cavity walls containing the sound-absorbing sponge continuously collide with the inner parts of the cavities, and a good sound blocking effect is achieved;

the upper plate and the lower plate are symmetrically distributed along the connecting plate, the symmetric distribution and the design with equal length guarantee that the convenience and the rapidness of the installation and the unloading process also promote the tidiness and the attractiveness of the splicing of the sound-absorbing plate, and more importantly, the sound-absorbing effect of the sound-absorbing plate can not be influenced due to the splicing, so that the spliced sound-absorbing effect is not weaker than that of the connected sound-absorbing plate.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the structure of the connecting clip of the present invention.

In the figure: 1. a metal outer plate; 2. a metal louver; 3. fixing a column; 4. a bolt; 5. an inner plate; 6. a sound-deadening felt; 7. a triangular cavity; 8. a circular cavity; 9. diaphragm sound cotton; 10. sound-absorbing sponge; 11. fixing grooves; 12. an upper splint; 13. a connecting plate; 14. and (5) a lower splint.

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. 1-3, the present invention provides a technical solution: a metal composite sound absorption plate comprises a metal outer plate 1, metal shutters 2, fixing columns 3, bolts 4, an inner plate 5, a sound insulation felt 6, a triangular cavity 7, a round cavity 8, diaphragm sound cotton 9, sound absorption sponge 10, fixing grooves 11, an upper clamping plate 12, a connecting plate 13 and a lower clamping plate 14, wherein the metal shutters 2 are arranged on the outer side of the metal outer plate 1, fixing columns 3 are welded on two sides of the metal outer plate 1, the fixing columns 3 are distributed on two sides of the metal outer plate 1 at equal intervals, and the fixing column 3 and the metal outer plate 1 are welded into an integral framework, the welding integral structure ensures the firmness of the metal composite acoustic board during splicing, holes do not need to be punched and drilled on steel, the labor and the time are saved, the sectional area of the material is not reduced, the sound absorption effect of the sound absorption plate is not influenced, and the firmness and durability of the sound absorption plate are ensured under the condition of ensuring the sound absorption effect of the sound absorption plate;

the upper end of the metal outer plate 1 is penetrated with the bolt 4, the other end of the bolt 4 is connected with the inner plate 5, the bolt 4 is uniformly distributed along the vertical central axis of the metal outer plate 1, the bolt 4 and the metal outer plate 1 are of a detachable structure, the bolt 4 is fixed firmly, conveniently and quickly when needing to be replaced, the sound absorbing plate needing to be replaced is detached, and the new sound absorbing plate is mounted, so that the complicated problems of installation and replacement of the traditional sound absorbing plate can be avoided;

the sound insulation felt 6 is arranged on two sides of the inner wall of the inner plate 5, the triangular cavity 7 penetrates through the sound insulation felt 6, the sound insulation felt 6 penetrates through the triangular cavity 7 to form a frame structure, the sound insulation felt 6 and the triangular cavity 7 form a high-density coiled material sound insulation material with certain flexibility, the sound insulation felt 6 and the frame structure of the triangular cavity 7 not only play a role in fixing a plate, but also can well eliminate noise;

one side of the triangular cavity 7 is connected with a circular cavity 8, the other side of the circular cavity 8 is connected with diaphragm sound cotton 9, the triangular cavity 7 and the circular cavity 8 are distributed in a parallel shape, a communicating structure is arranged between the triangular cavity 7 and the circular cavity 8, sound of the two communicated cavities is transmitted into the cavity and absorbed by sound absorbing sponge 10 attached to the cavity, meanwhile, the sound is transmitted into the two empty cavities, the gradual consumption is almost the same on the cavity wall containing the sound absorbing sponge 10 in continuous collision in the cavities, and a good sound blocking effect is achieved;

diaphragmatic sound cotton 9 be connected with inhale sound sponge 10 fixed column 3's outer wall laminating has fixed slot 11, and the outer wall laminating of fixed slot 11 has the lower extreme of punch holder 12 to be connected with connecting plate 13, and the lower extreme of connecting plate 13 is connected with lower plate 14, punch holder 12 and lower plate 14 are along connecting plate 13 symmetric distribution, and punch holder 12 and lower plate 14 are isometric, symmetric distribution guarantees with isometric design convenient and fast when installing with the uninstallation also promote the abatvoix and install neatly pleasing to the eye of concatenation additional, more importantly can not influence the sound absorbing effect of abatvoix because of the reason of concatenation, make the sound absorbing effect of assembling not weak in disjunctor abatvoix.

The working principle is as follows: firstly, sound is transmitted into an inner plate 5 through a metal shutter 2 on the outer side of a metal outer plate 1, the welding structure ensures the firmness of the metal composite sound absorbing plate during splicing, holes are not required to be punched and drilled on steel, labor and time are saved, the sectional area of materials is not reduced, the sound absorbing effect of the sound absorbing plate is not influenced, the firmness and durability of the sound absorbing plate are ensured under the condition of ensuring the sound absorbing effect of the sound absorbing plate, the sound is transmitted into the inner plate 5 to obtain good sound absorbing effect through a sound-proof felt 6 on one side of the inner plate 5, the sound is transmitted into a triangular cavity 7 and a circular cavity 8 from the sound-proof felt 6, the sound of two communicated cavities is transmitted into the sound-absorbing sponge 10 attached to the cavity to be clamped, meanwhile, the sound is transmitted into two empty cavities, the consumption of the sound-absorbing sponge 10 gradually disappears when the cavity wall containing the sound-absorbing sponge 10 is continuously collided in the cavities, the sound that spreads from triangle cavity 7 and circular cavity 8 advances to be located the diaphragm sound cotton 9 of circular cavity 8 opposite side and has reached the effect of sound absorption totally from finally being set up the sound sponge 10 absorption that inhales that puts at the central point, the concatenation formula guarantees convenient and fast when installation and uninstallation also promoted the abatvoix and install neatly pleasing to the eye of concatenation additional simultaneously, more importantly can not influence the sound absorbing effect of abatvoix because of the reason of concatenation, make the sound absorbing effect of assembling not be less than disjunctor abatvoix, just so accomplish the use of whole metal composite abatvoix.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A metal composite sound absorption plate comprises a metal outer plate (1), metal shutters (2) and sound absorption sponges (10), wherein the metal shutters (2) are arranged on the outer side of the metal outer plate (1), fixing columns (3) are welded on two sides of the metal outer plate (1), bolts (4) penetrate through the upper end of the metal outer plate (1), the other end of each bolt (4) is connected with an inner plate (5), sound insulation felts (6) are arranged on two sides of the inner wall of each inner plate (5), a triangular cavity (7) penetrates through each sound insulation felt (6), a circular cavity (8) is connected to one side of each triangular cavity (7), diaphragm sound cotton (9) is connected to the other side of each circular cavity (8), the sound absorption sponges (10) are connected to one side of the diaphragm sound cotton (9), fixing grooves (11) are attached to the outer wall of each fixing column (3), and upper clamping plates (12) are attached to the outer wall of each fixing groove (, the lower end of the upper clamping plate (12) is connected with a connecting plate (13), and the lower end of the connecting plate (13) is connected with a lower clamping plate (14).

2. The metal composite acoustical panel of claim 1, wherein: the fixing columns (3) are distributed on two sides of the metal outer plate (1) at equal intervals, and the fixing columns (3) and the metal outer plate (1) are of a welding integrated structure.

3. The metal composite acoustical panel of claim 1, wherein: the bolts (4) are uniformly distributed along the vertical central axis of the metal outer plate (1), and a detachable structure is arranged between the bolts (4) and the metal outer plate (1).

4. The metal composite acoustical panel of claim 1, wherein: the sound-proof felt (6) penetrates through the triangular cavity (7), and the sound-proof felt (6) penetrates through the triangular cavity (7) to form a frame structure.

5. The metal composite acoustical panel of claim 1, wherein: the triangular cavity (7) and the circular cavity (8) are distributed in a parallel manner, and a communicating structure is arranged between the triangular cavity (7) and the circular cavity (8).

6. The metal composite acoustical panel of claim 1, wherein: the upper clamping plate (12) and the lower clamping plate (14) are symmetrically distributed along the connecting plate (13), and the upper clamping plate (12) and the lower clamping plate (14) are equal in length.