CN217105620U - A wall sound insulation device - Google Patents

Abstract

The utility model relates to a sound insulation technical field, concretely relates to wall noise insulation. The wall noise insulation includes: the first sound insulation unit is fixedly connected with the outer wall of the wall body through a keel frame; the first sound insulation unit comprises N sound insulation layers, wherein N is more than or equal to 2, and every two adjacent sound insulation layers are arranged at intervals along the width direction of the keel frame; the second sound insulation unit is arranged on one side, far away from the outer wall of the wall body, of the first sound insulation unit; the second soundproof unit includes sound-absorbing cotton and/or a soundproof felt. The wall surface sound insulation device provided by the utility model separates and/or attenuates sound waves layer by arranging the first sound insulation unit, so as to insulate sound and reduce noise of a pump set running in a machine room; through setting up the second sound insulation unit to further absorb and/or completely cut off the sound wave after the decay, thereby further give sound insulation to the pump package that moves in the computer lab and fall the noise, strengthened the noise reduction effect that gives sound insulation to the water pump.

Description

A wall sound insulation device

technical field

The utility model relates to the technical field of sound insulation, in particular to a wall sound insulation device.

Background technique

The water pump room refers to the room where most of the water pumps work together. Since the water pump will generate a loud roar when working, the surrounding working environment outside the water pump room is noisy, and it is easy to interfere with the daily work of the surrounding staff.

Most of the walls of the existing water pump room are made of cement, and no sound insulation treatment is done on the walls, so it is impossible to perform noise reduction and sound insulation treatment on the roar of the water pump machine.

The wall of the existing pump room is also used for sound insulation by directly attaching the sound insulation felt to the wall by using glue. Due to the heavy humidity in the pump room, the glue is easily weakened for a long time, resulting in the sound insulation felt falling off or falling. phenomenon, affecting the sound insulation effect.

Utility model content

Therefore, the technical problem to be solved by the present invention is to overcome the defect in the prior art that the wall of the water pump machine room cannot effectively soundproof the water pump, thereby providing a wall sound insulation device capable of effectively soundproofing the water pump.

In order to solve the above-mentioned technical problems, the wall sound insulation device provided by the utility model includes:

The first sound insulation unit, the first sound insulation unit is fixedly connected with the outer wall of the wall through the keel frame; the first sound insulation unit includes N layers of sound insulation layers, where N≥2, and the edge between each adjacent two layers of the sound insulation layers is The width direction of the keel frame is arranged at intervals; the sound insulation layer is suitable for blocking and/or attenuating noise sound waves;

The second soundproof unit is disposed on the side of the first soundproof unit away from the outer wall of the wall; the second soundproof unit includes sound-absorbing cotton and/or sound-proof felt, which is suitable for further absorbing and/or attenuating noise sound waves.

Optionally, each layer of the sound insulation layer includes multiple groups of sound insulation boards; and each adjacent two groups of the sound insulation boards are arranged at intervals along the length direction of the keel frame.

Optionally, the sound insulation board of the sound insulation layer of the Nth layer and the sound insulation board of the sound insulation layer of the N+1th layer are arranged in a staggered position.

Optionally, the sound insulation board includes at least three segments of the folded plate body, and a preset angle is formed between every two adjacent segments of the folded plate body.

Optionally, the first soundproof unit includes:

The first partition includes multiple groups of first partitions; the multiple groups of the first partitions are evenly spaced along the length direction of the keel frame;

The second partition includes multiple groups of second partitions; the multiple groups of the second partitions are evenly spaced along the length direction of the keel frame;

The third partition layer includes a plurality of groups of third partition plates; the plurality of groups of the third partition plates are evenly spaced along the length direction of the keel frame.

Optionally, a first preset gap is formed between each adjacent two groups of the first partition plates; the projection of the first preset gap along the width direction of the keel frame is completely mapped to the second partition plate;

A second preset gap is formed between each adjacent two groups of the second partition plates; the projection of the second preset gap along the width direction of the keel frame is completely mapped to the third partition plate.

Optionally, the second soundproof unit includes:

Sound-absorbing cotton, one end of the sound-absorbing cotton along the width direction of the keel frame is directly or indirectly connected with the second end of the first sound insulation unit;

A sound-insulating felt, one end of the sound-insulating felt along the width direction of the keel frame is directly or indirectly connected with the other end of the sound-absorbing cotton.

Optionally, the wall sound insulation device further includes:

a first installation frame, the first installation frame is fixedly connected to the side of the keel frame away from the outer wall of the wall; the first installation frame is suitable for installing the sound-absorbing cotton;

A second installation frame, the second installation frame is fixedly connected with the first installation frame along the width direction of the keel frame; the second installation frame is suitable for installing the sound insulation felt.

Optionally, the keel frame and the outer wall of the wall are connected by bolts.

Optionally, the wall sound insulation device further includes:

a protective cover, the protective cover is fixedly connected with the keel frame;

Gypsum board, the gypsum board is fixed on the side of the protective cover opposite to the keel frame; the protective cover and the gypsum board are suitable for covering the sound-absorbing cotton and/or the sound-insulating felt.

The technical scheme of the utility model has the following advantages:

1. The wall sound insulation device provided by the present utility model comprises: a first sound insulation unit, the first sound insulation unit is fixedly connected with the outer wall of the wall through a keel frame; the first sound insulation unit comprises N layers of sound insulation layers, wherein N≥ 2. Each adjacent two layers of the sound insulation layer are arranged at intervals along the width direction of the keel frame; the sound insulation layer is suitable for blocking and/or attenuating noise sound waves; the second sound insulation unit is arranged far from the first sound insulation unit. One side of the outer wall of the wall; the second soundproof unit includes sound-absorbing cotton and/or soundproof felt, which is suitable for further absorbing and/or attenuating noise sound waves; the sound waves are blocked and/or layer by layer by arranging the first soundproof unit Attenuation, so as to perform sound insulation and noise reduction for the pump set running in the machine room; by setting the second sound insulation unit, after the first sound insulation unit blocks and/or attenuates the sound waves layer by layer, the second sound insulation unit The attenuated sound waves are further absorbed and/or isolated, thereby further sound insulation and noise reduction of the pump group running in the machine room, and the sound insulation and noise reduction effect on the water pump is enhanced.

2. The wall sound insulation device provided by the present utility model, the first sound insulation unit includes N layers of sound insulation layers, wherein N≥2; each layer of the sound insulation layer includes multiple groups of sound insulation boards; each adjacent two groups of the sound insulation boards are arranged at intervals along the length direction of the keel frame; the sound insulation board of the Nth layer of the sound insulation layer and the sound insulation board of the N+1th layer of the sound insulation layer are dislocated; The sound insulation boards of the Nth layer are dislocated. When the noise sound waves of the pump group propagate to the outside of the machine room through the sound insulation layers of the Nth layer, the sound insulation layers of the N+1th layer will further reduce the noise sound waves after the Nth attenuation. Block and/or attenuate, so as to achieve the purpose of blocking and noise reduction of the pump set, and avoid noise interference to the surrounding working environment of the pump room.

3. In the wall sound insulation device provided by the present invention, the Nth preset gap is formed between each adjacent two groups of the sound insulation boards in the Nth layer of the sound insulation layer; the Nth preset gap is along the width of the keel frame. The projection of the direction is completely mapped on the sound insulation board of the N+1th layer of the sound insulation layer; in the process of layer-by-layer blocking and/or attenuation of the noise sound wave by the first sound insulation unit, when the noise sound wave passes through the When the Nth preset gap of the Nth layer is used, the sound insulation board of the N+1th layer then blocks and/or attenuates the noise sound wave passing through the Nth preset gap again, so as to realize the protection against noise. The sound waves of the pump group noise are blocked and/or attenuated layer by layer, which effectively enhances the sound insulation effect of the wall sound insulation device.

4. The wall sound insulation device provided by the utility model, the second sound insulation unit comprises: sound-absorbing cotton, one end of the sound-absorbing cotton along the width direction of the keel frame is directly or indirectly connected with the second end of the first sound insulation unit ; Sound insulation felt, one end of the sound insulation felt along the width direction of the keel frame is directly or indirectly connected with the other end of the sound-absorbing cotton; the sound-absorbing cotton is away from the wall through the first mounting frame and the first sound insulation unit One side of the outer wall is directly or indirectly connected; the sound insulation felt is directly or indirectly connected to the side of the first sound insulation unit away from the outer wall of the wall through the second mounting frame; After the first sound insulation unit blocks and/or attenuates the sound waves layer by layer, the sound-absorbing cotton and the sound-insulating felt further absorb and/or isolate the attenuated sound waves, thereby further reducing the sound insulation of the pump set running in the machine room. noise, and enhance the sound insulation and noise reduction effect on the water pump.

Description of drawings

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the specific embodiments or the prior art. Obviously, the following descriptions The accompanying drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

Fig. 1 is the explosion structure schematic diagram of the wall sound insulation device of the utility model;

Fig. 2 is the sectional structure schematic diagram of the wall sound insulation device of the utility model;

3 is a schematic diagram of the assembly structure of the first sound insulation unit of the wall sound insulation device of the present invention;

4 is a schematic top view of the structure of the first sound insulation unit of the wall sound insulation device of the present invention;

5 is a schematic top view of the structure of the first partition of the wall sound insulation device of the present invention;

6 is a schematic top view of the structure of the second partition of the wall sound insulation device of the present invention;

7 is a schematic top view of the structure of the third partition of the wall sound insulation device of the present invention.

Description of reference numbers:

1. The first sound insulation unit; 10, the sound insulation layer; 11, the first partition layer; 12, the second partition layer; 13, the third partition layer; 100, the sound insulation board; plate; 103, the third partition plate; 1000, the folded plate body; 1001, the first plate body; 1002, the second plate body; 1003, the third plate body;

2. Second sound insulation unit; 21. Sound-absorbing cotton; 22. Sound insulation felt;

3, keel frame;

41. The first mounting frame; 42. The second mounting frame;

51. Protective cover; 52. Gypsum board.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, with a specific orientation. The orientation configuration and operation are therefore not to be construed as limitations of the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as there is no conflict with each other.

With reference to FIGS. 1-7 , the wall sound insulation device provided in this embodiment includes:

The first sound insulation unit 1, the first sound insulation unit 1 is fixedly connected with the outer wall of the wall through the keel frame 3; the first sound insulation unit 1 includes N layers of sound insulation layers 10, wherein N≧2, each adjacent two layers of the The sound insulating layers 10 are arranged at intervals along the width direction of the keel frame 3; the sound insulating layers 10 are suitable for blocking and/or attenuating noise sound waves;

The second soundproof unit 2 is disposed on the side of the first soundproof unit 1 away from the outer wall of the wall; the second soundproof unit 2 includes sound-absorbing cotton 21 and/or sound-proof felt 22, which are suitable for further absorbing and/or attenuating noise sound waves.

It should be noted that the length direction of the keel frame 3 refers to the direction indicated by the arrow “Y” in FIG. 2 ; the width direction of the keel frame 3 refers to the direction indicated by the arrow “X” in FIG. 2 ; The height direction of the keel frame 3 refers to the direction indicated by arrow "Z" in Figure 2; the cross-sectional shape of the keel frame 3 along the height direction can also be a pentagon, a hexagon or an octagon Other shapes, such as shape, can be adjusted according to actual use conditions, and are not limited to the shapes shown in this embodiment.

Optionally, the cross-sectional shape of the keel frame 3 along its height direction is rectangular; the inner wall of the keel frame 3 is surrounded to form a rectangular frame structure, and the rectangular frame structure is suitable for installing the first soundproof unit 1 .

Optionally, one side of the keel frame 3 along its width direction is fixedly connected to the outer wall of the wall.

Optionally, the first sound insulation unit 1 includes N layers of sound insulation layers 10, wherein N≥2, each layer of the sound insulation layers 10 is arranged parallel to the length direction of the keel frame 3; every two adjacent layers of the sound insulation layers 10 are arranged at intervals along the width direction of the keel frame 3; the sound insulation layer 10 is suitable for blocking and/or attenuating noise sound waves; the multiple layers of the sound insulation layer 10 block and/or attenuate the sound waves layer by layer, so as to reduce the noise in the equipment room. Sound insulation and noise reduction of the pump set running inside.

Optionally, the second soundproof unit 2 is arranged on the other side of the keel frame 3 along its width direction; after the first soundproof unit 1 blocks and/or attenuates sound waves layer by layer, the The second sound insulation unit 2 further absorbs and/or isolates the attenuated sound waves, thereby further sound insulation and noise reduction of the pump set running in the equipment room.

In this embodiment, the wall sound insulation device includes: a first sound insulation unit 1, which is fixedly connected to the outer wall of the wall through a keel frame 3; the first sound insulation unit 1 includes N layers of sound insulation layers 10 , where N≥2, the sound insulation layers 10 are arranged at intervals along the width direction of the keel frame 3 between each adjacent two layers; the sound insulation layers 10 are suitable for blocking and/or attenuating noise sound waves; the second sound insulation unit 2 is provided with On the side of the first sound insulation unit 1 away from the outer wall of the wall; the second sound insulation unit 2 includes sound-absorbing cotton 21 and/or sound-insulating felt 22, which are suitable for further absorbing and/or attenuating noise sound waves; A soundproof unit 1 blocks and/or attenuates sound waves layer by layer, thereby soundproofing and reducing noise for the pump set running in the equipment room; After the layers are blocked and/or attenuated, the second soundproof unit 2 further absorbs and/or isolates the attenuated sound waves, thereby further soundproofing and reducing noise for the pump set running in the machine room, and enhancing the soundproofing of the water pump. noise effect.

Specifically, each layer of the sound insulation layer 10 includes multiple groups of sound insulation boards 100 ; each adjacent two groups of the sound insulation boards 100 are arranged at intervals along the length direction of the keel frame 3 .

Optionally, each layer of the sound insulation layer 10 includes multiple groups of sound insulation boards 100 ; each group of the sound insulation boards 100 is arranged in parallel with the height direction of the keel frame 3 ; between each adjacent two groups of the sound insulation boards 100 along the keel The length direction of the frame 3 is arranged at intervals; the sound insulation board 100 is suitable for reflecting and/or refracting noise sound waves.

Specifically, the sound insulation board 100 of the Nth layer of the sound insulation layer 10 and the sound insulation board 100 of the N+1th layer of the sound insulation layer 10 are arranged in a staggered position.

In this embodiment, the first sound insulation unit 1 includes N layers of sound insulation layers 10 , where N≧2; each layer of the sound insulation layer 10 includes multiple sets of sound insulation boards 100 ; are arranged at intervals along the length direction of the keel frame 3; the sound insulation boards 100 of the sound insulation layer 10 of the Nth layer and the sound insulation boards 100 of the sound insulation layer 10 of the N+1th layer are dislocated; The sound insulation boards 100 of the sound insulation layer 10 are dislocated. When the noise sound wave of the pump group propagates to the outside of the machine room through the Nth layer of the sound insulation layer 10, the N+1th layer of the sound insulation layer 10 will then transmit the noise to the Nth layer. The secondary attenuation of the noise sound wave is further blocked and/or attenuated, so as to achieve the purpose of blocking and noise reduction for the pump set, and avoid noise interference to the working environment outside the pump room.

Specifically, the sound insulation board 100 includes at least three sections of the folded plate body 1000 , and a predetermined angle is formed between each adjacent two sections of the folded plate body 1000 .

It should be noted that when the sound insulation board 100 includes a three-section folded plate body 1000, the first partition plate 101 includes a first plate body 1001, a second plate body 1002 and a third plate body 1003; the first plate body 1001 A first preset angle A1 is formed between the plate body 1001 and the second plate body 1002; a second preset angle A2 is formed between the second plate body 1002 and the third plate body 1003; A third preset angle B1 and a fourth preset angle B2 are respectively formed between two adjacent sections of the folded plate body 1000 of the second partition plate 102 , and the third partition plate 103 is adjacent to two sections of the folded plate body. A fifth preset angle C1 and a sixth preset angle C2 are respectively formed between 1000.

Optionally, the sound insulation board 100 includes three sections of the folded plate body 1000 , and a predetermined angle is formed between each two adjacent sections of the folded plate body 1000 in the vertical direction of the height of the keel frame 3 .

Specifically, the first soundproof unit 1 includes:

The first partition 11 includes multiple sets of first partitions 101 ; the multiple sets of the first partitions 101 are evenly spaced along the length direction of the keel frame 3 ;

The second partition 12 includes multiple groups of second partitions 102; the multiple groups of the second partitions 102 are evenly spaced along the length direction of the keel frame 3;

The third partition 13 includes multiple groups of third partitions 103 ; the multiple groups of the third partitions 103 are evenly spaced along the length direction of the keel frame 3 .

Optionally, the first partition 11 is arranged in parallel with the length direction of the keel frame 3; the first partition 11 includes a plurality of sets of first partitions 101; each group of the first partitions 101 is parallel to the The keel frame 3 is arranged in the height direction; the plurality of groups of the first partitions 101 are evenly spaced along the length direction of the keel frame 3 .

Optionally, the second partition 12 is arranged parallel to the length direction of the keel frame 3; the second partition 12 includes a plurality of sets of second partitions 102; The keel frame 3 is arranged in the height direction; the plurality of groups of the second partitions 102 are evenly spaced along the length direction of the keel frame 3 .

Optionally, the third partition layer 13 is arranged parallel to the length direction of the keel frame 3; the third partition layer 13 includes a plurality of groups of third partition plates 103; each group of the third partition plates 103 is parallel to the The keel frame 3 is arranged in the height direction; a plurality of groups of the third partitions 103 are evenly spaced along the length direction of the keel frame 3 .

Specifically, a first preset gap is formed between each adjacent two groups of the first partition plates 101 ; the projection of the first preset gap along the width direction of the keel frame 3 is completely mapped to the second partition plate 102 ;

A second predetermined gap is formed between each adjacent two groups of the second partition plates 102 ; the projection of the second predetermined gap along the width direction of the keel frame 3 is completely mapped to the third partition plate 103 .

Optionally, a first preset gap is formed between each adjacent two groups of the first partition plates 101 ; the projection of the first preset gap along the width direction of the keel frame 3 is completely mapped to the second partition plate 102 ; In the process that the first sound insulation unit 1 blocks and/or attenuates the noise sound waves layer by layer, when the noise sound waves pass through the first preset gap of the first insulating layer 11, the second insulating layer 11 The second baffle 102 of the layer 12 in turn blocks and/or attenuates the noise sound waves passing through the first predetermined gap again.

Optionally, a second preset gap is formed between each adjacent two groups of the second partition plates 102; the projection of the second preset gap along the width direction of the keel frame 3 is completely mapped to the third partition plate 103; In the process that the first soundproof unit 1 blocks and/or attenuates the noise sound waves layer by layer, when the noise sound waves pass through the second preset gap of the second insulating layer 12, the third insulating layer 12 The third partition 103 of the layer 13 in turn blocks and/or attenuates the noise sound waves passing through the second predetermined gap again.

In this embodiment, an Nth preset gap is formed between each adjacent two groups of the soundproof panels 100 in the Nth layer of the sound insulation layer 10 ; the projection of the Nth preset gap along the width direction of the keel frame 3 is completely is mapped on the sound insulation board 100 of the sound insulation layer 10 of the N+1th layer; in the process that the first sound insulation unit 1 blocks and/or attenuates the noise sound waves layer by layer, when the noise sound waves pass through the When the Nth preset gap is in the Nth layer, the sound insulation board 100 of the N+1th layer then blocks and/or attenuates the noise sound waves passing through the Nth preset gap again, thereby realizing the The sound waves of the pump group noise are blocked and/or attenuated layer by layer, which effectively enhances the sound insulation effect of the wall sound insulation device.

Specifically, the second soundproof unit 2 includes:

Sound-absorbing cotton 21, one end of the sound-absorbing cotton 21 along the width direction of the keel frame 3 is directly or indirectly connected with the second end of the first sound insulation unit 1;

The sound insulation felt 22, one end of the sound insulation felt 22 along the width direction of the keel frame 3 is directly or indirectly connected with the other end of the sound absorption cotton 21.

Optionally, the number of the sound-absorbing cottons 21 is at least one group; at least one group of the sound-absorbing cottons 21 is disposed at one end of the first sound insulation unit 1 along the width direction of the keel frame 3 .

Optionally, the number of the sound insulation blankets 22 is at least one group; at least one group of the sound insulation blankets 22 is disposed at one end of the first sound insulation unit 1 along the width direction of the keel frame 3 .

Specifically, the wall sound insulation device further includes:

a first mounting frame 41, which is fixedly connected to the side of the keel frame 3 away from the outer wall of the wall; the first mounting frame 41 is suitable for installing the sound-absorbing cotton 21;

The second mounting frame 42 is fixedly connected with the first mounting frame 41 along the width direction of the keel frame 3 ; the second mounting frame 42 is suitable for installing the sound insulation blanket 22 .

Optionally, the first mounting brackets 41 are arranged in pairs; each pair of the first mounting brackets 41 is arranged symmetrically along the length direction of the keel frame 3 .

Optionally, the second mounting brackets 42 are arranged in pairs; each pair of the second mounting brackets 42 is arranged symmetrically along the length direction of the keel frame 3 .

In this embodiment, the second sound insulation unit 2 includes: sound-absorbing cotton 21, one end of the sound-absorbing cotton 21 along the width direction of the keel frame 3 is directly or indirectly connected with the second end of the first sound insulation unit 1; sound insulation The felt 22, one end of the sound insulation felt 22 along the width direction of the keel frame 3 is directly or indirectly connected with the other end of the sound-absorbing cotton 21; the sound-absorbing cotton 21 is connected to the first sound insulation through the first mounting frame 41. The side of the unit 1 away from the outer wall of the wall is directly or indirectly connected; the sound insulation felt 22 is directly or indirectly connected to the side of the first sound insulation unit 1 away from the outer wall of the wall through the second mounting frame 42; The sound-absorbing cotton 21 and the sound-insulating felt 22, when the first sound-insulating unit 1 blocks and/or attenuates the sound waves layer by layer, the sound-absorbing cotton 21 and the sound insulating felt 22 further absorb and/or isolate the attenuated sound waves. , thereby further sound insulation and noise reduction of the pump set running in the machine room, and enhance the sound insulation and noise reduction effect of the water pump.

Specifically, the keel frame 3 is bolted to the outer wall of the wall.

Optionally, the keel frame 3 and the outer wall of the wall are connected by bolts, which effectively avoids the phenomenon of falling off or falling off of the glued sound insulation felt, and enhances the stability of the wall sound insulation device.

Specifically, the wall sound insulation device further includes:

a protective cover 51, the protective cover 51 is fixedly connected with the keel frame 3;

Gypsum board 52, the gypsum board 52 is fixed on the side of the protective cover 51 opposite to the keel frame 3; the protective cover 51 and the gypsum board 52 are suitable for covering the sound-absorbing cotton 21 and/or the sound-insulating felt 22 .

Optionally, the protective cover 51 and the gypsum board 52 are adapted to cover the sound-absorbing cotton 21 and/or the sound-absorbing felt 22, so as to prevent the sound-absorbing cotton 21 and/or the sound insulating felt 22 from being damaged by external forces.

Optionally, in the actual construction process, firstly, the keel frame 3 is bolted to the outer wall of the machine room wall; then, the sound-absorbing cotton 21 is inserted into the slot of the first mounting frame 41, and the sound insulation is The felt 22 is inserted into the slot of the second mounting frame 42 ; the protective cover 51 is then fixedly connected to the keel frame 3 , and finally the gypsum board 52 is fixed to the protective cover 51 away from the keel frame 3 side.

Obviously, the above-mentioned embodiments are only examples for clear description, and are not intended to limit the implementation manner. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. And the obvious changes or changes derived from this are still within the protection scope of the present invention.

Claims (10)

1. A wall noise insulation, comprising:

the first sound insulation unit (1), the first sound insulation unit (1) is fixedly connected with the outer wall of the wall body through a keel frame (3); the first sound insulation unit (1) comprises N sound insulation layers (10), wherein N is more than or equal to 2, and every two adjacent sound insulation layers (10) are arranged at intervals along the width direction of the keel frame (3); the acoustic insulation layer (10) is adapted to block and/or attenuate noise sound waves;

the second sound insulation unit (2) is arranged on one side, far away from the outer wall of the wall body, of the first sound insulation unit (1); the second acoustic insulation unit (2) comprises sound absorbing cotton (21) and/or an acoustic felt (22) adapted to further absorb and/or attenuate noise sound waves.

2. The wall insulation of claim 1 wherein each of said layers of insulation (10) comprises a plurality of sets of insulation panels (100); every two adjacent groups of sound insulation boards (100) are arranged at intervals along the length direction of the keel frame (3).

3. A wall insulation according to claim 2, wherein said acoustical panel (100) of the nth layer of said acoustical layer (10) is offset from said acoustical panel (100) of the (N + 1) th layer of said acoustical layer (10).

4. The wall surface acoustic insulation device according to claim 3, wherein the acoustic insulation panel (100) includes at least three segments of folded panel bodies (1000), and a predetermined angle is formed between each two adjacent segments of the folded panel bodies (1000).

5. A wall insulation according to claim 4, wherein the first insulation unit (1) comprises:

a first barrier layer (11) comprising a plurality of groups of first baffles (101); the groups of first partition plates (101) are uniformly distributed along the length direction of the keel frame (3) at intervals;

a second barrier layer (12) comprising a plurality of sets of second baffles (102); the groups of second partition plates (102) are uniformly distributed along the length direction of the keel frame (3) at intervals;

a third barrier layer (13) comprising a plurality of groups of third baffles (103); the multiple groups of third partition plates (103) are uniformly distributed along the length direction of the keel frame (3) at intervals.

6. A wall surface sound insulation device according to claim 5, wherein a first preset gap is formed between every two adjacent groups of the first partition boards (101); the projection of the first preset gap along the width direction of the keel frame (3) is completely mapped on the second partition plate (102);

a second preset gap is formed between every two adjacent groups of the second partition plates (102); the projection of the second preset gap along the width direction of the keel frame (3) is completely mapped on the third partition plate (103).

7. A wall insulation according to any of claims 1 to 6, wherein the second insulation unit (2) comprises:

the sound absorption cotton (21) is connected with the second end of the first sound insulation unit (1) directly or indirectly at one end of the sound absorption cotton (21) along the width direction of the keel frame (3);

and the sound insulation felt (22), wherein one end of the sound insulation felt (22) in the width direction of the keel frame (3) is directly or indirectly connected with the other end of the sound absorption cotton (21).

8. A wall insulation according to claim 7, further comprising:

the first mounting rack (41), the first mounting rack (41) is fixedly connected with one side, far away from the outer wall of the wall, of the keel frame (3); the first mounting rack (41) is suitable for mounting the sound-absorbing cotton (21);

the second mounting rack (42), the second mounting rack (42) is fixedly connected with the first mounting rack (41) along the width direction of the keel frame (3); the second mounting bracket (42) is adapted to mount the deadening felt (22).

9. A wall insulation according to any of claims 1 to 6, wherein the keel frame (3) is bolted to the outer wall of the wall.

10. A wall insulation according to any of claims 1 to 6, further comprising:

the protective cover (51), the said protective cover (51) is fixedly connected with keel frame (3);

a gypsum board (52), wherein the gypsum board (52) is fixedly connected to one side of the protective cover (51) opposite to the keel frame (3); the protective cover (51) and gypsum board (52) are adapted to cover the sound-absorbing cotton (21) and/or deadening felt (22).

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