CN112267588A

CN112267588A - Noise reduction structure for building outer wall

Info

Publication number: CN112267588A
Application number: CN202011159347.2A
Authority: CN
Inventors: 陈璐; 郑培君; 李佳男; 陈静
Original assignee: China Construction Seventh Engineering Division Corp Ltd
Current assignee: China Construction Seventh Engineering Division Corp Ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-26

Abstract

The invention relates to the technical field of buildings and discloses a noise reduction structure for an outer wall of a building, which comprises a mounting rack, a protection plate and a mounting rack, wherein the upper surface of the mounting rack is provided with a clamping groove, the lower surface of the mounting rack is fixedly connected with a clamping block, the front surface of the mounting rack is provided with a mounting groove, the mounting groove is sequentially provided with an acoustic absorption cotton plate, a damping noise reduction layer, a honeycomb noise reduction plate and a rock wool plate from inside to outside, and the protection plate is in threaded connection with the mounting. This structure of making an uproar falls for building outer wall, through inhaling the sound cotton board, the layer of making an uproar falls in the damping, the setting of board and rock wool board are fallen in the honeycomb, at first fall once making an uproar through the rock wool board in external noise transmission process, then get into the honeycomb and fall the board of making an uproar, transmit through inhaling the sound groove and leading the sound hole then transmit and fall the inslot of making an uproar, the noise is making an uproar groove and leading the inslot mutual transmission and then subduct of making an uproar, partial noise gets into the damping and falls the in the layer of making an uproar, combine.

Description

Noise reduction structure for building outer wall

Technical Field

The invention relates to the technical field of buildings, in particular to a noise reduction structure for an outer wall of a building.

Background

The building is an engineering building for people to live, work, study, production, management, entertainment, article storage and other social activities, the difference between the building and the building is the building, the building refers to engineering buildings except the building, such as enclosing walls, roads, dams, wells, tunnels, water towers, bridges, chimneys and the like, the wall is an important component of the building and is used for bearing, enclosing or separating spaces, the wall is divided into bearing walls and non-bearing walls according to the stress condition and the material type of the wall, and the wall is divided into solid walls, sintered hollow brick walls, empty bucket walls and composite walls according to the wall construction mode. The wall body is generally divided into an outer wall and an inner wall according to the position of the wall body, and each part has a longitudinal direction and a transverse direction respectively, so that four kinds of wall bodies, namely a longitudinal outer wall, a transverse outer wall, a longitudinal inner wall and a transverse inner wall, are formed by the same shape.

The existing building outer wall has a certain noise reduction function, but the sound insulation effect is poor, sound cannot be completely blocked to penetrate through the outer wall, so that the noise outside the building can interfere with people in the building, and the general noise reduction structure is inconvenient to install.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the noise reduction structure for the outer wall of the building, which has the advantages of better noise reduction effect and the like and solves the problem of poorer noise reduction effect.

(II) technical scheme

In order to achieve the purpose of better noise reduction effect, the invention provides the following technical scheme: the noise reduction structure for the outer wall of the building comprises a mounting rack, a protection plate and a fixing rack, wherein a clamping groove is formed in the upper surface of the mounting rack, a clamping block is fixedly connected to the lower surface of the mounting rack, a mounting groove is formed in the front surface of the mounting rack, a sound absorption cotton plate, a damping noise reduction layer, a honeycomb noise reduction plate and a rock wool plate are sequentially arranged in the mounting groove from inside to outside, first threaded holes are formed in the edge of the front surface of the mounting rack and the edge of the front surface of the protection plate, fixing bolts are connected to the inner wall of each first threaded hole in a threaded mode, the protection plate is connected with the mounting rack in a threaded mode through the fixing bolts, grooves are formed in the two sides of the mounting rack, second threaded holes are formed in one side of each groove and one, and the other side of the fixing frame is in threaded connection with a fixing screw.

Preferably, the inside wall fixedly connected with stopper of draw-in groove, the shape of stopper be the cross, the stopper falls into four spacing grooves with the draw-in groove, the quantity of draw-in groove is four, four the draw-in groove is equidistant to be set up the upper surface at the mounting bracket.

Preferably, the surface of the clamping block is provided with a slot matched with the limiting block, the clamping block is matched with the slot, and the clamping block and the slot are in clearance fit.

Preferably, the noise reduction cotton plate, the damping noise reduction layer, the honeycomb noise reduction plate and the rock wool plate are bonded through a bonding agent, the bonding agent is an acrylate cementing agent, and the bonding agent can resist the temperature of minus to degree centigrade, and has good acid resistance and ultraviolet resistance.

Preferably, the sound-absorbing cotton plate is made of polyester fiber cotton, and a large number of micro communicated pores are formed in the polyester fiber cotton.

Preferably, a cavity is arranged inside the damping noise reduction layer, a damping material is filled inside the cavity, and the damping material is made of one or more of a polyethylene foam material, a rubber foam material, an olefine acid ester foam material, a polyurethane foam material or a polyvinyl chloride foam material.

Preferably, the board of making an uproar falls in honeycomb includes the support body, the inside of support body is provided with and falls the groove of making an uproar, one side of support body is provided with inhales the sound groove, inhale the inside wall in sound groove and seted up the leading hole, the interior diapire that inhales the sound groove is provided with the leading note pipe.

(III) advantageous effects

Compared with the prior art, the invention provides a noise reduction structure for an outer wall of a building, which has the following beneficial effects:

1. this structure of making an uproar falls for building outer wall, through the setting of mounting bracket, guard plate, mount, draw-in groove, fixture block and stopper, draw-in groove and fixture block clearance fit make fixture block and draw-in groove joint of being convenient for, and it is fixed through draw-in groove and fixture block and then accomplish the joint between the mounting bracket, simple to operate, the guard plate protects the structure in the mount, avoids inner structure to cause the damage, mount cooperation set screw be convenient for and wall body between fixed connection.

2. This structure of making an uproar falls for building outer wall, through inhaling the sound cotton board, the layer of making an uproar falls in the damping, the setting of board and rock wool board are fallen in the honeycomb, at first fall once making an uproar through the rock wool board in external noise transmission process, then get into the honeycomb and fall the board of making an uproar, transmit through inhaling the sound groove and leading the sound hole then transmit and fall the inslot of making an uproar, the noise is making an uproar groove and leading the inslot mutual transmission and then subduct of making an uproar, partial noise gets into the damping and falls the in the layer of making an uproar, combine.

Drawings

FIG. 1 is a schematic perspective view of a noise reduction structure for an exterior wall of a building according to the present invention;

FIG. 2 is a schematic structural diagram of a second embodiment of a noise reduction structure for an exterior wall of a building according to the present invention;

FIG. 3 is a schematic structural diagram of a third configuration of a noise reduction structure for an exterior wall of a building according to the present invention;

FIG. 4 is a cross-sectional view of a noise reduction structure honeycomb noise reduction plate for an exterior wall of a building according to the present invention.

In the figure: 1. a mounting frame; 2. a protection plate; 3. a fixed mount; 4. a card slot; 5. a clamping block; 6. mounting grooves; 7. a sound absorbing cotton plate; 8. a damping noise reduction layer; 9. a honeycomb noise reduction plate; 901. a frame body; 902. a noise reduction groove; 903. a sound absorbing groove; 904. a sound guide hole; 905. a sound guide tube; 10. rock wool boards; 11. a first threaded hole; 12. fixing the bolt; 13. a groove; 14. a second threaded hole; 15. locking the bolt; 16. a set screw; 17. a limiting block; 18. a damping material.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the noise reduction structure for the outer wall of the building comprises a mounting frame 1, a protection plate 2 and a fixing frame 3, wherein a clamping groove 4 is formed on the upper surface of the mounting frame 1, a clamping block 5 is fixedly connected to the lower surface of the mounting frame 1, a limiting block 17 is fixedly connected to the inner side wall of the clamping groove 4, the limiting block 17 is cross-shaped, the clamping groove 4 is divided into four limiting grooves by the limiting block 17, the clamping grooves 4 are four, the four clamping grooves 4 are equidistantly arranged on the upper surface of the mounting frame 1, slots matched with the limiting block 17 are formed in the surface of the clamping block 5, the clamping block 5 is matched with the clamping groove 4, the clamping block 5 is in clearance fit with the clamping groove 4, the mounting frame 5 is conveniently clamped with the clamping groove 4 through the mounting frame 1, the protection plate 2, the fixing frame 3, the clamping groove 4, the clamping block 5 and the limiting block 17, the simple installation, the protection plate 2 protects the structure in the fixed frame 3, avoid the inner structure to cause damage, the mounting groove 6 has been seted up on the front of mounting bracket 1, the mounting groove 6 has set gradually from inside to outside and has inhaled sound cotton board 7, the layer of making an uproar 8 falls in the damping, the board 9 and the rock wool board 10 fall in the honeycomb, the inside on the layer of making an uproar 8 falls in the damping is provided with the cavity, the inside packing of cavity has damping material (18), damping material (18) are by one or more in polyethylene foam, rubber foam, olefine acid ester foam, polyurethane foam or polyvinyl chloride foam, the board 9 that falls in the honeycomb includes support body 901, the inside of support body 901 is provided with the groove 902 of making an uproar, one side of support body 901 is provided with inhales sound groove 903, the inside wall of inhaling sound groove 903 has seted up sound conduction hole 904, the inner diapire wall of sound groove 903, The arrangement of the honeycomb noise reduction plate 9 and the rock wool plate 10, when the external noise is transmitted, firstly, the noise is reduced once through the rock wool plate 10, then the noise enters the honeycomb noise reduction plate 9, the noise is transmitted to the sound guide hole 904 through the sound absorption groove 903 and then transmitted to the noise reduction groove 902, the noise is mutually transmitted and reduced in the noise reduction groove 902 and the sound guide pipe 905, part of the noise enters the damping noise reduction layer 8, the aim of high-efficiency vibration and noise reduction can be realized by combining a small amount of damping materials in the damping noise reduction layer 8, the noise reduction cotton plate 7 and the sound absorption cotton plate 7 are made of polyester fiber cotton, a large amount of tiny communicated pores are arranged in the polyester fiber cotton, the damping noise reduction layer 8, the honeycomb noise reduction plate 9 and the rock wool plate 10 are bonded through a bonding agent which is acrylate cementing agent, the bonding agent can resist the temperature of-40-50 ℃, the acid resistance performance is good, and the ultraviolet, the outdoor environment middle and long-term inefficacy does not exist, first screw hole 11 has all been seted up to the positive edge of mounting bracket 1 and the positive edge of guard plate 2, the inner wall threaded connection of first screw hole 11 has fixing bolt 12, guard plate 2 passes through fixing bolt 12 and mounting bracket 1 threaded connection, recess 13 has all been seted up to mounting bracket 1's both sides, second screw hole 14 has all been seted up to one side of recess 13 and one side of mount 3, the inside wall threaded connection of second screw hole 14 has locking bolt 15, mount 3 passes through locking bolt 15 and mounting bracket 1 threaded connection, the opposite side threaded connection of mount 3 has set screw 16.

When in use;

1. personnel will inhale sound cotton board 7, damping and fall layer 8, the honeycomb and fall board 9 and the rock wool board 10 of making an uproar and bond the back joint in mounting groove 6 through the binder respectively, will protect board 2 lid in mounting bracket 1, with

fixing bolt

12 and 11 threaded connection of first screw hole and then with protect board 2 and mounting bracket 1 installation.

2. The personnel with the mount 3 joint in the recess 13 of mounting bracket 1 both sides, with locking bolt 15 and second screw hole 14 threaded connection, and then fix mount 3 on mounting bracket 1, install mounting bracket 1 on the wall body through set screw 16.

3. Draw-in groove 4 makes the joint of being convenient for of fixture block 5 and draw-in groove 4 with 5 clearance fit of fixture block, and then accomplish the joint between mounting bracket 1 through draw-in groove 4 and fixture block 5 fixed for installation between the mounting bracket is more convenient.

4. When the external noise transmission in-process at first falls once making an uproar through rock wool board 10, then get into the honeycomb and fall board 9 of making an uproar, through inhaling the sound groove 903 and transmitting to leading the sound hole 904 then to falling the inslot 902 of making an uproar, the noise falls the inslot 902 and leads the sound pipe 905 and transmits each other and then subduct and fall the noise of making an uproar in making an uproar groove 902 and leading the sound, and partial noise gets into the damping and falls the layer 8 of making an uproar in, in the layer 8 of making an uproar falls.

In summary, according to the noise reduction structure for the exterior wall of the building, through the arrangement of the mounting frame 1, the protection plate 2, the fixing frame 3, the clamping groove 4, the clamping block 5 and the limiting block 17, the clamping groove 4 is in clearance fit with the clamping block 5, so that the clamping connection between the clamping block 5 and the clamping block 4 is convenient, the clamping connection between the mounting frame 1 is further completed through the clamping groove 4 and the clamping block 5, the mounting is convenient, the protection plate 2 protects the structure in the fixing frame 3, the damage of the internal structure is avoided, the fixing frame 3 is convenient to be fixedly connected with the wall body through the matching of the fixing screw 16 and the sound absorption cotton plate 7, the damping noise reduction layer 8, the honeycomb noise reduction plate 9 and the rock wool plate 10 are arranged, when external noise is transmitted, the noise is firstly reduced once through the rock wool plate 10, then enters the honeycomb noise reduction plate 9, is transmitted to the sound guide hole 904 through the sound absorption groove 903 and, part of noise enters the damping noise reduction layer 8, and the aim of high-efficiency vibration and noise reduction can be achieved by combining a small amount of damping materials in the damping noise reduction layer 8.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.

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. Noise reduction structure for building outer wall, including mounting bracket (1), guard plate (2) and mount (3), its characterized in that: the upper surface of the mounting rack (1) is provided with a clamping groove (4), the lower surface of the mounting rack (1) is fixedly connected with a clamping block (5), the front surface of the mounting rack (1) is provided with a mounting groove (6), the mounting groove (6) is sequentially provided with a sound-absorbing cotton plate (7), a damping noise-reducing layer (8), a honeycomb noise-reducing plate (9) and a rock wool plate (10) from inside to outside, the front edge of the mounting rack (1) and the front edge of the protection plate (2) are both provided with first threaded holes (11), the inner wall of each first threaded hole (11) is in threaded connection with a fixing bolt (12), the protection plate (2) is in threaded connection with the mounting rack (1) through the fixing bolts (12), two sides of the mounting rack (1) are both provided with grooves (13), one side of each groove (13) and one side of the fixing rack, the inner side wall of the second threaded hole (14) is in threaded connection with a locking bolt (15), the fixing frame (3) is in threaded connection with the mounting frame (1) through the locking bolt (15), and the other side of the fixing frame (3) is in threaded connection with a fixing screw (16).

2. The noise reduction structure for the exterior wall of the building according to claim 1, wherein: the inside wall fixedly connected with stopper (17) of draw-in groove (4), the shape of stopper (17) is the cross, stopper (17) fall into four spacing grooves with draw-in groove (4), the quantity of draw-in groove (4) is four, four draw-in groove (4) equidistant setting is at the upper surface of mounting bracket (1).

3. The noise reduction structure for the exterior wall of the building according to claim 1, wherein: the surface of the clamping block (5) is provided with a slot matched with the limiting block (17), the clamping block (5) is matched with the clamping groove (4), and the clamping block (5) is in clearance fit with the clamping groove (4).

4. The noise reduction structure for the exterior wall of the building according to claim 1, wherein: the noise reduction cotton plate (7), the damping noise reduction layer (8), the honeycomb noise reduction plate (9) and the rock wool plate (10) are bonded through a bonding agent, the bonding agent is an acrylate cementing agent, and the bonding agent can tolerate the temperature of-40-50 ℃, is good in acid resistance and is good in ultraviolet resistance.

5. The noise reduction structure for the exterior wall of the building according to claim 1, wherein: the sound-absorbing cotton plate (7) is made of polyester fiber cotton, and a large number of micro communicated pores are formed in the polyester fiber cotton.

6. The noise reduction structure for the exterior wall of the building according to claim 1, wherein: the damping noise reduction layer (8) is internally provided with a cavity, the cavity is internally filled with damping materials (18), and the damping materials (18) are made of one or more of polyethylene foam materials, rubber foam materials, olefine acid ester foam materials, polyurethane foam materials or polyvinyl chloride foam materials.

7. The noise reduction structure for the exterior wall of the building according to claim 1, wherein: the honeycomb noise reduction plate (9) comprises a frame body (901), a noise reduction groove (902) is formed in the frame body (901), a sound absorption groove (903) is formed in one side of the frame body (901), a sound guide hole (904) is formed in the inner side wall of the sound absorption groove (903), and a sound guide pipe (905) is arranged on the inner bottom wall of the sound absorption groove (903).