CN211923373U - Drainage riser sound-proof construction - Google Patents
Drainage riser sound-proof construction Download PDFInfo
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- CN211923373U CN211923373U CN201922416214.8U CN201922416214U CN211923373U CN 211923373 U CN211923373 U CN 211923373U CN 201922416214 U CN201922416214 U CN 201922416214U CN 211923373 U CN211923373 U CN 211923373U
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Abstract
The application aims at providing a drainage riser sound-insulation structure, which comprises a composite sound-absorption cotton layer and a sound-insulation wall, wherein the composite sound-absorption cotton layer wraps the outer surface of the drainage riser, the sound-insulation wall comprises a light steel keel frame, a bottom gypsum board, a surface gypsum board and a first sound-insulation felt, the bottom gypsum board and the surface gypsum board are fixed on the outer side of the light steel keel frame, and the first sound-insulation felt is arranged between the bottom gypsum board and the surface gypsum board; the sound insulation wall is arranged on the outer side of the composite sound absorption cotton layer and used for sealing the vertical drainage pipe, and the sound insulation wall forms a pipe well or the sound insulation wall and the building wall form the pipe well together; the pipeline shaft upper end is connected with the ceiling, and the pipeline shaft lower end is provided with a waterproof platform and is connected with the ground through the waterproof platform. This application makes from the transmission of drainage riser to indoor noise greatly reduced, has solved the poor problem of drainage riser sound insulation effect among the prior art.
Description
Technical Field
The utility model belongs to decoration relates to the field, especially relates to a drainage riser sound-proof construction.
Background
In the environment with noise lower than 20db, people can sleep peacefully; in an environment with noise exceeding 40db, the sleep of people can be affected; in the environment with the noise exceeding 60db, the work and the study of people are affected; in an environment with noise exceeding 80db, physical and psychological health of people can be impaired.
In the current residential design, the drainage vertical pipe of the original building is usually exposed and placed at the corner of a room, and the drainage pipe is usually a PVC-U pipe, so that the sound insulation effect is poor. For the overall aesthetic appearance of room decor, the piping shaft is usually made of prefabricated pipes or profile plates with a wall thickness of 20mm, and the drainage risers are hidden inside the piping shaft. However, the comprehensive sound insulation quantity of the pipe shaft is usually less than 10db, when a large amount of water is discharged through a drainage pipeline, such as a toilet, a washing machine and the like, the generated noise is 40-80db, the noise has great influence on work, life and rest of people, and particularly, the influence on the mind and body of people is hard to imagine due to the noise generated when the toilet is flushed and transmitted upstairs at quiet night.
SUMMERY OF THE UTILITY MODEL
To above-mentioned prior art's shortcoming or not enough, the to-be-solved technical problem of the utility model is to provide a drainage riser sound-proof construction to it is poor to solve among the prior art drainage riser sound-proof effect, influences the problem of people's house living quality.
In order to achieve the purpose, the technical scheme of the application is as follows: a sound insulation structure of a vertical drainage pipe comprises a composite sound absorption cotton layer and a sound insulation wall, wherein the composite sound absorption cotton layer is wrapped on the outer surface of the vertical drainage pipe, the sound insulation wall comprises a light steel keel frame, a bottom layer gypsum board, a surface layer gypsum board and a first sound insulation felt, the bottom layer gypsum board and the surface layer gypsum board are fixed on the outer side of the light steel keel frame, and the first sound insulation felt is arranged between the bottom layer gypsum board and the surface layer gypsum board; the sound insulation wall is arranged on the outer side of the composite sound absorption cotton layer and used for sealing the vertical drainage pipe to form a pipe well; the pipeline shaft upper end is connected with the ceiling, and the pipeline shaft lower end is provided with a waterproof platform and is connected with the ground through the waterproof platform.
Furthermore, when the drainage vertical pipe is close to two building walls which are vertical to each other, the sound insulation wall is a wall structure with two surfaces which are vertical to each other, and the wall structure with two surfaces which are vertical to each other and the two building walls form a pipe well.
Further, light steel keel frame includes two limit fossil fragments, an external corner fossil fragments and many horizontal fossil fragments, two limit fossil fragments and the vertical placing of an external corner fossil fragments, two limit fossil fragments are fixed respectively on two sides building wall through the mounting, the transversal L shape of personally submitting of external corner fossil fragments, horizontal fossil fragments are fixed between arbitrary limit fossil fragments and external corner fossil fragments.
Further, a second sound-proof felt is arranged between the side keel and the original building wall, and the thickness of the second sound-proof felt is 2mm-3 mm.
Further, the thickness of the bottom gypsum board and the thickness of the surface gypsum board are both between 9.5mm and 12 mm.
Further, the thickness of the first deadening felt is between 2mm and 3 mm.
Furthermore, when the drainage vertical pipe is close to one building wall, the sound insulation wall is a three-side wall structure with adjacent walls vertical to each other, and the three-side wall structure and the one building wall form a pipe well.
Further, when the drainage vertical pipe is close to the three-side building wall body, the sound insulation wall is of a wall body structure, and the wall body structure and the three-side building wall body form a pipe well.
Further, the cotton layer of inhaling of complex sound is formed by damping deadening felt and the cotton complex of inhaling the sound, the thickness of damping deadening felt is not less than 2mm, inhale the cotton thickness of sound and be not less than 25 mm.
Further, the waterproof platform is formed by pouring concrete.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses in the cotton layer of compound sound absorption of surface parcel of naked drainage riser, place the drainage riser in the pipe-line that encloses by the sound-proof wall that light steel keel frame and gypsum board found and former building wall body simultaneously, compound sound-proof cotton layer can effectually block and absorb the partial noise of drain pipe, the sound-proof wall that is founded by light steel keel frame and gypsum board can completely cut off the partial noise effectively, handle through two-layer sound insulation, make and transmit to indoor noise greatly reduced from the drainage riser, it is poor to have solved among the prior art drainage riser sound insulation effect, influence the problem of people's house quality of living.
2. The utility model provides a set up waterproof platform between piping shaft and the ground, waterproof platform is formed by concrete placement, can prevent effectively that the facing material of piping shaft lower part from weing.
3. The utility model provides a sound insulation construction is applicable to the multiple mode of placing of drainage riser. When no building wall body is arranged around the drainage vertical pipe, the sound insulation wall constructed by the light steel keel frame and the gypsum board comprises four wall bodies to form a pipe well; when the drainage vertical pipe is positioned at one corner of the area and is close to a single-side building wall body, the sound insulation wall constructed by the light steel keel frame and the gypsum board comprises three wall bodies, and a pipe well is formed by the three wall bodies and the single-side building wall body; when the vertical drainage pipe is close to two mutually vertical building walls, the sound insulation wall constructed by the light steel keel frame and the gypsum board comprises the two walls, and a pipeline well is formed by the two walls and the two building walls; when the drainage vertical pipe is positioned at one corner of the area and is close to three building walls, the sound insulation wall constructed by the light steel keel frame and the gypsum board comprises the three building walls and forms a pipe well with the single building wall.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1: the transverse section of the sound insulation structure of the drainage vertical pipe in one embodiment of the application is schematic;
FIG. 2: the longitudinal section of the sound insulation structure of the drainage vertical pipe in one embodiment of the application is schematic;
reference numerals:
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Example one
The sound insulation structure of the drainage riser provided by the embodiment is suitable for the following scenes: the vertical drainage pipe is close to two mutually vertical building walls.
In this scenario, as shown in fig. 1-2, the drainage riser sound insulation structure provided by the present application includes a composite sound absorption cotton layer 2 and a sound insulation wall, wherein the composite sound absorption cotton layer 2 wraps the outer surface of the drainage riser 3 and is fixed by a plurality of ties 14. Wherein, the distance between two adjacent bands 14 is not less than 150mm, so that the bands are bound tightly and the binding efficiency is high. The cotton layer 2 of compound sound absorption is formed by damping deadening felt and the cotton complex of sound absorption, the thickness of damping deadening felt is not less than 2mm, the cotton thickness of sound absorption is not less than 25 mm. The composite sound absorption cotton layer 2 is used as a first layer sound insulation barrier of the drainage vertical pipe 3, and can effectively insulate sound by 30 dB.
The sound insulation wall in the embodiment is a wall structure with two mutually vertical surfaces, and comprises a light steel keel frame, a bottom layer gypsum board 6, a surface layer gypsum board 8 and a first sound insulation felt 7, wherein the bottom layer gypsum board 6 and the surface layer gypsum board 8 are fixed on the outer side of the light steel keel frame, and the first sound insulation felt 7 is arranged between the bottom layer gypsum board 6 and the surface layer gypsum board 8; the sound insulation wall is arranged at the periphery of the vertical drainage pipe 3 wrapped by the composite sound absorption cotton layer 2, forms a pipe well with the two-sided building wall body 1, seals the vertical drainage pipe 3 and serves as a second-layer sound insulation barrier of the vertical drainage pipe 3. The pipeline shaft upper end is connected with the ceiling, and the pipeline shaft lower end is provided with a waterproof platform and is connected with the ground through the waterproof platform. The waterproof platform is formed by pouring concrete, the height of the waterproof platform is not less than 150mm, and facing materials at the lower part of the pipeline well can be effectively prevented from being affected with damp. The noise generated from the vertical drainage pipe 3 is treated by the two sound-proof barriers, so that the noise transmitted from the vertical drainage pipe 3 to the indoor space is greatly reduced.
In the scene that this embodiment is suitable for, light gauge steel skeleton includes two limit fossil fragments 4, an external corner fossil fragments 10 and many horizontal fossil fragments 5, two limit fossil fragments 4 and an external corner fossil fragments 10 are vertical to be placed between ceiling and waterproof platform, two limit fossil fragments 4 are fixed respectively on the building wall 1 of two sides difference through mounting 11, preferably, mounting 11 chooses for use more durable, the tensile strength of pulling resistance is stronger, the specification is the nylon sleeve pipe beautiful nail of M8x60, and two adjacent the interval of beautiful nail is not more than 400mm, and the distance apart from the end is not more than 100mm, so light gauge steel skeleton is firm reliable. The cross section of the external corner keel 10 is L-shaped, the transverse keel 5 is fixed between the side keel 4 and the external corner keel 10, and finally the light steel keel frame and the two building walls 1 can form a rectangular half-frame structure. Wherein, the interval of two adjacent horizontal fossil fragments 5 is not more than 400mm, makes half frame construction more firm. A bottom layer gypsum board 6 is arranged on the outer side of the light steel keel frame, and the thickness of the bottom layer gypsum board 6 is 9.5mm-12 mm; the surface layer gypsum board 8 is arranged on the outer side of the bottom layer gypsum board, and the thickness of the surface layer gypsum board 8 is 9.5mm-12 mm. A first deadening felt 7 is filled between the bottom gypsum board 6 and the surface gypsum board 8, and the thickness of the first deadening felt 7 is between 2mm and 3 mm; and a second sound-proof felt 12 is arranged between the side keel 4 and the original building wall 1, and the thickness of the second sound-proof felt 12 is between 2mm and 3 mm.
Wherein, 8 stagger joints of bottom gypsum board and surface course gypsum board are installed, and the seam between the gypsum board, between gypsum board and the ceiling, between gypsum board and waterproof platform 13, between gypsum board and building wall 1 adopts caulking putty to fill closely to add the anti-crack paper bag of subsides, make the pipe shaft become a confined space, in order to improve syllable-dividing effect.
The outer surface of the sound insulation wall is covered with a decorative surface layer 9, the decorative surface layer 9 can be meat wall interior wall paint, wallpaper or wall cloth and the like, and the sound insulation structure looks more attractive.
Example two
The sound insulation structure of the drainage riser provided by the embodiment is suitable for the following scenes: no building wall is arranged around the vertical drainage pipe.
In this scenario, as shown in fig. 1-2, the drainage riser sound insulation structure provided by the present application includes a composite sound absorption cotton layer 2 and a sound insulation wall, wherein the composite sound absorption cotton layer 2 wraps the outer surface of the drainage riser 3 and is fixed by a plurality of ties 14. Wherein, the distance between two adjacent bands 14 is not less than 150 mm. The cotton layer 2 of compound sound absorption is formed by damping deadening felt and the cotton complex of sound absorption, the thickness of damping deadening felt is not less than 2mm, the cotton thickness of sound absorption is not less than 25 mm. The composite sound absorption cotton layer 2 is used as a first layer sound insulation barrier of the drainage vertical pipe 3, and can effectively insulate sound by 30 dB.
The sound insulation wall in the embodiment is a four-side wall structure with adjacent walls vertical to each other, and comprises a light steel keel frame, a bottom gypsum board 6, a surface gypsum board 8 and a first sound insulation felt 7, wherein the bottom gypsum board 6 and the surface gypsum board 8 are both fixed on the outer side of the light steel keel frame, and the first sound insulation felt 7 is arranged between the bottom gypsum board 6 and the surface gypsum board 8; the sound insulation wall is arranged around the vertical drainage pipe 3 wrapped with the composite sound absorption cotton layer 2, and the vertical drainage pipe 3 is sealed to form a pipe well which is used as a second layer of sound insulation barrier of the vertical drainage pipe 3; the upper end of the pipe shaft is connected with a ceiling, the lower end of the pipe shaft is provided with a waterproof platform 13, and the waterproof platform 13 is connected with the ground. The waterproof platform 13 is formed by pouring concrete, the height of the waterproof platform 13 is not less than 150mm, and facing materials at the lower part of the pipe shaft can be effectively prevented from being affected with damp. The noise generated from the vertical drainage pipe 3 is treated by two sound-proof barriers, so that the noise transmitted from the vertical drainage pipe 3 to the indoor space is greatly reduced.
In the scene that this embodiment is suitable for, light steel keel frame includes four external corner fossil fragments 10 and many horizontal fossil fragments 5, four external corner fossil fragments 10 are vertical to be placed, fix between ceiling and waterproof platform 13, the transversal L shape of personally submitting of external corner fossil fragments 10, horizontal fossil fragments 5 are fixed between arbitrary two parallel placement's external corner fossil fragments 10, finally make light steel keel frame form a rectangular frame construction. Wherein, the interval of two adjacent horizontal keels 5 is not more than 400mm, makes the frame construction more firm. Installing a bottom gypsum board 6 on the outer side of the frame structure, wherein the thickness of the bottom gypsum board 6 is 9.5mm-12 mm; the surface layer gypsum board 8 is arranged on the outer side of the bottom layer gypsum board, and the thickness of the surface layer gypsum board 8 is 9.5mm-12 mm. A first deadening felt 7 is filled between the bottom gypsum board 6 and the surface gypsum board 8, and the thickness of the first deadening felt 7 is between 2mm and 3 mm. Wherein, 6 wrong joint installations of bottom gypsum board and 8 wrong joints of surface course gypsum board, the seam between the gypsum board, between gypsum board and the ceiling, between gypsum board and waterproof platform 13 adopts caulking putty to fill closely to add the anti paper bag that splits of subsides, make the pipe-line shaft become a confined space, with the effect that improves gives sound insulation.
The outer surface of the sound insulation wall is covered with a decorative surface layer 9, the decorative surface layer 9 can be inner wall paint, wallpaper or wall cloth and the like, and the sound insulation structure looks more attractive.
Example three:
the sound insulation structure of the drainage riser provided by the embodiment is suitable for the following scenes: the vertical drainage pipe is close to one building wall 1.
Under this scene, the drainage riser sound-proof structure that this application provided, inhale cotton layer 2 of sound and sound-proof wall including the complex, wherein, the cotton layer 2 parcel of sound is inhaled in 3 surfaces of drainage riser to the complex, and is fixed through many bandages 14. Wherein, the distance between two adjacent bands 14 is not less than 150 mm. The cotton layer 2 of compound sound absorption is formed by damping deadening felt and the cotton complex of sound absorption, the thickness of damping deadening felt is not less than 2mm, the cotton thickness of sound absorption is not less than 25 mm. The composite sound absorption cotton layer 2 is used as a first layer sound insulation barrier of the drainage vertical pipe 3, and can effectively insulate sound by 30 dB.
The sound insulation wall in the embodiment is a three-side wall structure with adjacent walls vertical to each other, and comprises a light steel keel frame, a bottom gypsum board 6, a surface gypsum board 8 and a first sound insulation felt 7, wherein the bottom gypsum board 6 and the surface gypsum board 8 are both fixed on the outer side of the light steel keel frame, and the first sound insulation felt 7 is arranged between the bottom gypsum board 6 and the surface gypsum board 8; the sound insulation wall and the building wall 1 form a pipe well, and the vertical drainage pipe 3 is sealed to serve as a second layer of sound insulation barrier of the vertical drainage pipe 3; the upper end of the pipe shaft is connected with a ceiling, the lower end of the pipe shaft is provided with a waterproof platform 13, and the waterproof platform 13 is connected with the ground. The waterproof platform 13 is formed by pouring concrete, the height of the waterproof platform 13 is not less than 150mm, and facing materials at the lower part of the pipe shaft can be effectively prevented from being affected with damp. The noise generated from the vertical drainage pipe 3 is treated by two sound-proof barriers, so that the noise transmitted from the vertical drainage pipe 3 to the indoor space is greatly reduced.
In the suitable scene of this embodiment, light gauge steel skeleton includes two limit fossil fragments 4, two external corner fossil fragments 10 and many horizontal fossil fragments 5, external corner fossil fragments 10 and the vertical placing of limit fossil fragments 4, and external corner fossil fragments 10 are fixed between ceiling and waterproof platform 13, and two limit fossil fragments 4 are fixed through mounting 11 on the building wall 1, the L shape is personally submitted to external corner fossil fragments 10 transversal, horizontal fossil fragments 5 are fixed between arbitrary external corner fossil fragments 10 and a limit fossil fragments 4, finally make light gauge steel skeleton and one side building wall 1 form the half frame structure of a rectangle. Wherein, the interval of two adjacent horizontal keels 5 is not more than 400mm, makes the frame construction more firm. Installing a bottom gypsum board 6 on the outer side of the half frame structure, wherein the thickness of the bottom gypsum board 6 is between 9.5mm and 12 mm; the surface layer gypsum board 8 is arranged on the outer side of the bottom layer gypsum board 6, and the thickness of the surface layer gypsum board 8 is 9.5mm-12 mm. A first deadening felt 7 is filled between the bottom gypsum board 6 and the surface gypsum board 8, and the thickness of the first deadening felt 7 is between 2mm and 3 mm. Wherein, 8 stagger joints installation of bottom gypsum board and surface course gypsum board, the seam between the gypsum board, between gypsum board and the ceiling, between gypsum board and waterproof platform 13 adopts caulking putty to fill closely to add the anti paper bag that splits of subsides, make the pipe-line shaft become a confined space, with the effect that improves gives sound insulation.
The outer surface of the sound insulation wall is covered with a decorative surface layer 9, and the decorative surface layer 9 can be inner wall paint, wallpaper or wall cloth, so that the sound insulation structure looks more attractive.
Example four
The sound insulation structure of the drainage riser provided by the embodiment is suitable for the following scenes: the vertical drainage pipe is close to the three-side building wall.
Under this scene, the drainage riser sound-proof structure that this application provided, inhale cotton layer 2 of sound and sound-proof wall including the complex, wherein, the cotton layer 2 parcel of sound is inhaled in 3 surfaces of drainage riser to the complex, and is fixed through many bandages 14. Wherein, the distance between two adjacent bands 14 is not less than 150 mm. The cotton layer 2 of compound sound absorption is formed by damping deadening felt and the cotton complex of sound absorption, the thickness of damping deadening felt is not less than 2mm, the cotton thickness of sound absorption is not less than 25 mm. The composite sound absorption cotton layer 2 is used as a first layer sound insulation barrier of the drainage vertical pipe 3, and can effectively insulate sound by 30 dB.
The sound insulation wall in the embodiment is of a one-face wall structure and comprises a light steel keel frame, a bottom layer gypsum board 6, a surface layer gypsum board 8 and a first sound insulation felt 7, wherein the bottom layer gypsum board 6 and the surface layer gypsum board 8 are fixed on the outer side of the light steel keel frame, and the first sound insulation felt 7 is arranged between the bottom layer gypsum board 6 and the surface layer gypsum board 8; the sound insulation wall and the three-side building wall body 1 form a pipe well, and the vertical drainage pipe 3 is sealed to serve as a second layer of sound insulation barrier of the vertical drainage pipe 3; the upper end of the pipe shaft is connected with a ceiling, the lower end of the pipe shaft is provided with a waterproof platform 13, and the waterproof platform 13 is connected with the ground. The waterproof platform 13 is formed by pouring concrete, the height of the waterproof platform 13 is not less than 150mm, and facing materials at the lower part of the pipe shaft can be effectively prevented from being affected with damp. The noise generated from the vertical drainage pipe 3 is treated by two sound-proof barriers, so that the noise transmitted from the vertical drainage pipe 3 to the indoor space is greatly reduced.
In the suitable scene of this embodiment, light gauge steel skeleton includes two limit fossil fragments 4 and many horizontal fossil fragments 5, two vertical placing of limit fossil fragments 4 all fix through mounting 11 on the two sides wall body that is parallel to each other in building wall 1, horizontal fossil fragments 5 are fixed between two limit fossil fragments 4, finally make light gauge steel skeleton and trilateral building wall body 1 form the partial frame construction of a rectangle. Wherein, the interval of two adjacent horizontal keels 5 is not more than 400mm, makes the frame construction more firm. Installing a bottom gypsum board 6 on the outer side of the frame structure, wherein the thickness of the bottom gypsum board 6 is 9.5mm-12 mm; the surface layer gypsum board 8 is arranged on the outer side of the bottom layer gypsum board, and the thickness of the surface layer gypsum board 8 is 9.5mm-12 mm. A first deadening felt 7 is filled between the bottom gypsum board 6 and the surface gypsum board 8, and the thickness of the first deadening felt 7 is between 2mm and 3 mm. A second sound-proof felt 12 is arranged between the side keel 4 and the original building wall 1, and the thickness of the second sound-proof felt 12 is between 2mm and 3 mm; and a second sound-proof felt 12 is arranged between the side keel 4 and the original building wall 1, and the thickness of the second sound-proof felt 12 is between 2mm and 3 mm.
Wherein, 8 stagger joints installation of bottom gypsum board and surface course gypsum board, the seam between the gypsum board, between gypsum board and the ceiling, between gypsum board and waterproof platform 13 adopts caulking putty to fill closely to add the anti paper bag that splits of subsides, make the pipe-line shaft become a confined space, with the effect that improves gives sound insulation.
The outer surface of the sound insulation wall is covered with a decorative surface layer 9, the decorative surface layer 9 can be inner wall paint, wallpaper or wall cloth and the like, and the sound insulation structure looks more attractive.
The above embodiments are merely provided to illustrate the technical solution of the present invention, but not to limit the present invention, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the scope of the claims of the present invention should be covered thereby.
Claims (10)
1. A sound insulation structure of a vertical drainage pipe is characterized by comprising a composite sound absorption cotton layer and a sound insulation wall, wherein the composite sound absorption cotton layer wraps the outer surface of the vertical drainage pipe, the sound insulation wall comprises a light steel keel frame, a bottom layer gypsum board, a surface layer gypsum board and a first sound insulation felt, the bottom layer gypsum board and the surface layer gypsum board are fixed on the outer side of the light steel keel frame, and the first sound insulation felt is arranged between the bottom layer gypsum board and the surface layer gypsum board; the sound insulation wall is arranged on the outer side of the composite sound absorption cotton layer and used for sealing the vertical drainage pipe, and the sound insulation wall forms a pipe well or the sound insulation wall and the building wall form the pipe well together; the pipeline shaft upper end is connected with the ceiling, and the pipeline shaft lower end is provided with a waterproof platform and is connected with the ground through the waterproof platform.
2. The sound insulation structure of claim 1, wherein when the vertical drainage pipe is adjacent to two vertical building walls, the sound insulation wall is a two-vertical wall structure, and the two-vertical wall structure and the two building walls form a pipe well.
3. The sound insulation structure for the drainage vertical pipe according to claim 2, wherein the light steel keel frame comprises two side keels, an external corner keel and a plurality of transverse keels, the two side keels and the external corner keel are vertically arranged, the two side keels are respectively fixed on two building walls through fixing parts, the cross section of the external corner keel is L-shaped, and the transverse keel is fixed between any one side keel and the external corner keel.
4. The sound insulation structure of the drainage riser pipe as claimed in claim 3, wherein a second sound insulation felt is arranged between the side keel and the original building wall, and the thickness of the second sound insulation felt is 2mm-3 mm.
5. The drainage riser sound insulation structure of claim 1 wherein the thickness of the bottom gypsum board and the facing gypsum board are both between 9.5mm and 12 mm.
6. The drainage riser sound insulation structure of claim 1 wherein the first deadening felt has a thickness of between 2mm and 3 mm.
7. The sound insulation structure of the drainage riser pipe as claimed in claim 1, wherein when the drainage riser pipe is adjacent to a building wall, the sound insulation wall is a three-sided wall structure in which adjacent walls are perpendicular to each other, and the three-sided wall structure and the building wall form a pipe well.
8. The sound insulation structure of claim 1, wherein when the vertical drainage pipe is adjacent to three building walls, the sound insulation wall is a wall structure, and the wall structure and the three building walls form a pipe well.
9. The sound insulation structure of the vertical drainage pipe according to claim 1, wherein the composite sound absorption cotton layer is formed by compounding damping sound insulation felt and sound absorption cotton, the thickness of the damping sound insulation felt is not less than 2mm, and the thickness of the sound absorption cotton is not less than 25 mm.
10. The drainage riser sound insulation structure of claim 1 wherein the waterproof platform is formed of concrete poured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922416214.8U CN211923373U (en) | 2019-12-27 | 2019-12-27 | Drainage riser sound-proof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922416214.8U CN211923373U (en) | 2019-12-27 | 2019-12-27 | Drainage riser sound-proof construction |
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| CN211923373U true CN211923373U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922416214.8U Active CN211923373U (en) | 2019-12-27 | 2019-12-27 | Drainage riser sound-proof construction |
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