Sound insulation and vibration reduction wall structure and construction method thereof

Abstract

The invention discloses a sound insulation and vibration reduction wall body structure and a construction method thereof. The sound insulation and vibration reduction wall body structure comprises a keel assembly; the supporting layer is mounted in the middle of the keel assembly; the sound insulation and vibration reduction layers are mounted on the two sides of the supporting layer; and the decorative layers are mounted on the two sides of the keel assembly. Through the design of the keel assembly, the vertical keel of the keel assembly is designed to be the double-Z-shaped keel, during installation, only the supporting layer needs to be installed on the second connecting part or the third connecting part, the construction steps are simplified, the supporting layer can provide stable supporting force for the sound insulation and vibration reduction layer, the stability of the wall is guaranteed, the space of a room cannot be occupied, and the sound insulation and vibration reduction wall is convenient to use. The requirements of green construction are met. The decorative layer structure is deeply designed, the diagonal planes are arranged on the edges of the second gypsum board layers, the gaps are formed between the adjacent second gypsum board layers, the filling glue is arranged in the gaps and outside the diagonal planes, and the bonding layers are bonded to the outer sides of the joints of the adjacent second gypsum board layers, so that the decorative layer can be effectively prevented from cracking.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a sound insulation and vibration reduction wall structure and a construction method thereof. Background Art

[0002] With the continuous development of the construction industry, prefabricated buildings have gradually emerged, and the requirements for rapid installation and performance of building components are getting higher and higher. However, the sound insulation performance of traditional light steel keels is poor, which has an impact on people's work and life.

[0003] Patent CN201410205455.7 discloses a double-row keel sound insulation wall, which includes a double row of Z-shaped keels, a first gypsum board layer is arranged on the first side of the double row of Z-shaped keels, a second gypsum board layer is arranged on the second side of the double row of Z-shaped keels, and a third gypsum board layer and sound insulation felt are arranged between the double row of Z-shaped keels; the first cavity between the first gypsum board layer and the third gypsum board layer is filled with rock wool; the second cavity between the second gypsum board layer and the third gypsum board layer is filled with rock wool; there is a row of Z-shaped keels in each of the first cavity and the second cavity.

[0004] The above patent thickens the wall and increases the number of wall panels, but this will occupy the room space, increase the material cost, installation cost and transportation cost of the wall, and also reduce the stability of the wall itself, which does not meet the requirements of green construction. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention designs a sound insulation and vibration reduction wall structure, including: a keel assembly; a supporting layer installed in the middle of the keel assembly; a sound insulation and vibration reduction layer installed on both sides of the supporting layer; and a decorative layer installed on both sides of the keel assembly.

[0006] Preferably, the keel assembly includes: side keels; a plurality of vertical keels, which are evenly installed in the side keels, the support layer is fixed in the middle of the vertical keels, and the sound insulation and vibration reduction layers are fixed on both sides of the vertical keels.

[0007] Preferably, the vertical keel is an integrated structure, including a first connection part, a first transition part, a second connection part, a third connection part, a second transition part and a fourth connection part connected in sequence, wherein the first connection part and the fourth connection part are used to install the sound insulation and vibration reduction layer, and the second connection part and the third connection part are used to install the support layer.

[0008] Preferably, the first connecting portion, the second connecting portion, the third connecting portion and the fourth connecting portion are arranged in parallel.

[0009] Preferably, a connecting rod is provided between the second connecting portion and the third connecting portion; the second connecting portion is vertically connected to one end of the connecting rod, and the third connecting portion is vertically connected to the other end of the connecting rod.

[0010] Preferably, the side keels include: two top and bottom keels, with both ends of the vertical keel respectively installed on the two top and bottom keels; two side keels, connected with the two top and bottom keels to form a rectangular structure, and multiple vertical keels are evenly arranged between the two side keels.

[0011] Preferably, a first shock-absorbing groove is provided on the top and bottom keels, and a second shock-absorbing groove is provided on the side keels, and both the first shock-absorbing groove and the second shock-absorbing groove are used to install the shock-absorbing strip.

[0012] Preferably, the decorative layer includes: a first gypsum board layer, installed on both sides of the keel assembly; a second gypsum board layer, installed on the outside of the first gypsum board layer and staggered with the first gypsum board layer, a chamfered surface is provided at the edge of the second gypsum board layer, a gap is provided between adjacent second gypsum board layers, and filling glue is provided in the gap and outside the chamfered surface; an adhesive layer is provided on the outside of the connection between adjacent second gypsum board layers to prevent leakage of the filling glue; and a decorative surface is provided on the outside of the second gypsum board layer.

[0013] Based on the same design concept, the present invention provides a construction method for a sound insulation and vibration reduction wall structure, which is characterized in that it includes the following steps: installing a keel assembly; installing a supporting layer in the middle of the keel assembly; installing a sound insulation and vibration reduction layer on both sides of the supporting layer; and installing a decorative layer on both sides of the keel assembly.

[0014] Preferably, installing the support layer in the middle of the keel assembly includes the following steps: fixing the support layer on one side of the vertical keel on the second connection part; and fixing the support layer on the other side of the vertical keel on the third connection part.

[0015] Compared with the closest prior art, the beneficial effects of the present invention are:

[0016] 1. The present invention, through the design of the keel assembly, installs the supporting layer in the middle of the keel assembly during installation, thereby simplifying the construction steps, and the supporting layer can provide a stable supporting force for the sound insulation and vibration reduction layer, thereby ensuring the stability of the wall itself, and will not occupy the room space, thus meeting the requirements of green construction.

[0017] 2. The design of the double Z-shaped keel of the present invention only requires the support layer on one side of the vertical keel to be fixedly installed on the second connection part during installation; the support layer on the other side of the vertical keel is fixedly installed on the third connection part, which simplifies the construction steps, and the support layer can provide a stable supporting force for the sound insulation and vibration reduction layer, ensuring the stability of the wall itself, and will not occupy the room space, meeting the requirements of green construction.

[0018] 3. The present invention designs double Z-shaped keels. In actual use, after sound waves enter the wall, they are reflected in the cavity of the double Z-shaped keels, causing loss of sound energy. A sound insulation and vibration reduction layer is installed between adjacent double Z-shaped keels to increase the damping of sound waves during propagation, convert sound energy into heat energy, and further improve the sound insulation effect of the wall. The special keel structure increases the seismic resistance of the wall, realizes the rapid assembly of the wall with high-efficiency vibration reduction and sound insulation functions, and creates a quieter and more comfortable environment for people.

[0019] 4. The design of the double Z-shaped keel of the present invention will cause the vertical keel to be narrower than the traditional keel, and the possibility of cracking and deformation is higher than the traditional method. Therefore, a chamfered surface is provided at the edge of the second gypsum board layer, and a gap is provided between adjacent second gypsum board layers. Filling glue is provided in the gap and outside the chamfered surface, and an adhesive layer is bonded on the outer side of the connection between adjacent second gypsum board layers, which can effectively prevent the decorative layer from cracking. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the sound insulation and vibration reduction wall structure of the present invention.

[0021] Figure 2 It is a structural schematic diagram of the keel assembly of the present invention.

[0022] Figure 3 It is a schematic diagram of the structure of the sky and earth keel of the present invention.

[0023] Figure 4 It is a schematic structural diagram of the side keel of the present invention.

[0024] Figure 5 It is a structural schematic diagram of the vertical keel of the present invention.

[0025] Figure 6 It is a schematic structural diagram of the shock-absorbing strip of the present invention.

[0026] Figure 7 It is a schematic diagram of the structure of the decorative layer of the present invention.

[0027] Reference numerals:

[0028] 1-keel assembly, 11-top and bottom keel, 111-first shock-absorbing groove, 12-side keel, 121-second shock-absorbing groove, 13-vertical keel, 131-first connecting part, 132-first transition part, 133-second connecting part, 134-third connecting part, 135-second transition part, 136-fourth connecting part, 14-shock-absorbing strip, 2-supporting layer, 3-sound insulation and vibration reduction layer, 4-decorative layer, 41-first gypsum board layer, 42-second gypsum board layer, 43-beveled surface, 44-filling glue, 45-adhesive layer, 46-decorative surface. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] like Figure 1-Figure 7 As shown, the present invention provides a sound insulation and vibration reduction wall structure, comprising: a keel assembly 1; a supporting layer 2, installed in the middle of the keel assembly 1; a sound insulation and vibration reduction layer 3, installed on both sides of the supporting layer 2; and a decorative layer 4, installed on both sides of the keel assembly 1. Through the design of the keel assembly 1, when installing, the supporting layer 2 is installed in the middle of the keel assembly 1, which simplifies the construction steps, and the supporting layer 2 can provide a stable supporting force for the sound insulation and vibration reduction layer 3, ensuring the stability of the wall itself, and will not occupy the room space, meeting the requirements of green construction.

[0031] Preferably, the keel assembly 1 includes: side keels; a plurality of vertical keels 13 , which are evenly installed in the side keels; the support layer 2 is fixed to the middle of the vertical keels 13 ; and the sound insulation and vibration reduction layers 3 are fixed to both sides of the vertical keels 13 .

[0032] Preferably, the vertical keel 13 is an integrated structure, including a first connecting portion 131, a first transition portion 132, a second connecting portion 133, a third connecting portion 134, a second transition portion 135 and a fourth connecting portion 136 connected in sequence, wherein the first connecting portion 131 and the fourth connecting portion 136 are used to install the sound insulation and vibration reduction layer 3, and the second connecting portion 133 and the third connecting portion 134 are used to install the support layer 2. Preferably, the first connecting portion 131, the second connecting portion 133, the third connecting portion 134 and the fourth connecting portion 136 are arranged in parallel. Preferably, a connecting rod is arranged between the second connecting portion 133 and the third connecting portion 134; the second connecting portion 133 is vertically connected to one end of the connecting rod, and the third connecting portion 134 is vertically connected to the other end of the connecting rod. Preferably, the first connecting portion 131, the first transition portion 132 and the second connecting portion 133 are connected to form a Z-shaped structure, and the vertical keel 13 is a double Z-shaped keel. The design of the double Z-shaped keel only requires the support layer 2 on one side of the vertical keel 13 to be fixedly installed on the second connection part 133 during installation; and the support layer 2 on the other side of the vertical keel 13 to be fixedly installed on the third connection part 134, which simplifies the construction steps, and the support layer 2 can provide a stable supporting force for the sound insulation and vibration reduction layer 3, ensuring the stability of the wall itself, and will not occupy the room space, meeting the needs of green construction.

[0033] Preferably, the side keels include: two top and bottom keels 11, with two ends of the vertical keel 13 respectively installed on the two top and bottom keels 11; two side keels 12, connected with the two top and bottom keels 11 to form a rectangular structure, and multiple vertical keels 13 are evenly arranged between the two side keels 12. Preferably, the top and bottom keels 11 adopt C-type keels, and the side keels 12 adopt E-type keels. Through the design of C-type keels, double Z-type keels and E-type keels, in actual use, after sound waves enter the wall, they are reflected in the cavity of the double Z-type keels, causing the loss of sound energy. The sound insulation and vibration reduction layer 3 is installed between adjacent double Z-type keels to increase the damping of sound waves during propagation, so that the sound energy is converted into heat energy, and the sound insulation effect of the wall is further improved. The special keel structure increases the seismic resistance of the wall, and realizes the rapid assembly of the high-efficiency vibration reduction and sound insulation functional wall, creating a quieter and more comfortable environment for people.

[0034] Preferably, a first damping groove 111 is provided on the top and bottom keels 11, and a second damping groove 121 is provided on the side keels 12. The first damping groove 111 and the second damping groove 121 are both used to install the damping strip 14. The damping strip 14 is installed on both the top and bottom keels 11 and the side keels 12. When in use, the damping strip 14 can be first glued on, and then fixed to the wall, top and bottom of the house with expansion bolts, so that the connection between the top and bottom keels 11 and the side keels 12 and the wall, top and bottom of the house is tighter, which increases the sound insulation and vibration reduction effect of the sound insulation and vibration reduction wall. The sound insulation and vibration reduction wall is customized according to different space requirements, customized in the factory, and only splicing and installation are required on site, which can effectively reduce the on-site construction time and process, and the installation process is relatively simple. The sound insulation and vibration reduction wall is made of materials with good sound insulation, heat insulation and thermal insulation properties, which can effectively block sound propagation and improve indoor comfort. The components of the wall are easy to disassemble and replace, making later maintenance, repair and renovation more convenient, reducing maintenance costs and difficulties. The prefabricated construction method is in line with the concept of sustainable development. Its energy consumption and pollutant emissions during production, construction, use and disposal are low, which is conducive to environmental protection and resource conservation.

[0035] Preferably, the decorative layer 4 includes: a first gypsum board layer 41, which is installed on both sides of the keel assembly 1; a second gypsum board layer 42, which is installed on the outside of the first gypsum board layer 41 and is staggered with the first gypsum board layer 41, a chamfered surface 43 is provided on the edge of the second gypsum board layer 42, a gap is provided between adjacent second gypsum board layers 42, and a filling glue 44 is provided in the gap and outside the chamfered surface 43; an adhesive layer 45 is provided on the outside of the connection between adjacent second gypsum board layers 42 to prevent the filling glue 44 from leaking out; and a decorative surface 46 is provided on the outside of the second gypsum board layer 42. The design of the double Z-shaped keel will cause the vertical keel 13 to be narrower than the traditional keel, and the possibility of cracking and deformation is higher than the traditional method. Therefore, a beveled surface 43 is provided at the edge of the second gypsum board layer 42, and a gap is provided between adjacent second gypsum board layers 42. Filling glue 44 is provided in the gap and outside the beveled surface 43, and an adhesive layer 45 is bonded to the outside of the connection between adjacent second gypsum board layers 42, which can effectively prevent the decorative layer from cracking.

[0036] Based on the same design concept, the present invention provides a construction method for a sound insulation and vibration reduction wall structure, which is characterized in that it includes the following steps: installing a keel assembly 1; installing a supporting layer 2 in the middle of the keel assembly 1; installing a sound insulation and vibration reduction layer 3 on both sides of the supporting layer 2; and installing a decorative layer 4 on both sides of the keel assembly 1.

[0037] Preferably, installing the keel assembly 1 includes the following steps: installing the top and bottom keels 11, respectively installing the two top and bottom keels 11 on the bottom plate and the top plate of the existing building; installing the side keels 12, respectively installing the two side keels 12 at the two ends of the two top and bottom keels 11, and the two top and bottom keels 11 and the two side keels 12 are connected to form a rectangular structure; installing the vertical keels 13, evenly arranging a plurality of vertical keels 13 between the two side keels 12, and the two ends of the vertical keels 13 are respectively installed on the two top and bottom keels 11.

[0038] Preferably, installing the support layer 2 in the middle of the keel assembly 1 includes the following steps: fixing the support layer 2 on one side of the vertical keel 13 on the second connection portion 133 ; fixing the support layer 2 on the other side of the vertical keel 13 on the third connection portion 134 .

[0039] Preferably, the decorative layer 4 is installed on both sides of the keel assembly 1, comprising the following steps: installing the first gypsum board layer 41, and installing the first gypsum board layer 41 on both sides of the vertical keel 13, wherein the first gypsum board layer 41 is connected to the first connecting portion 131 or the fourth connecting portion 136; processing the beveled surface 43 on the edge of the second gypsum board layer 42, and installing the second gypsum board layer 42 on the outside of the first gypsum board layer 41, and staggered with the first gypsum board layer 41, and a gap is set between adjacent second gypsum board layers 42; filling glue 44 is set in the gap and outside the beveled surface 43, and a bonding layer 45 is bonded to the outside of the connection between adjacent second gypsum board layers 42; and constructing a decorative surface 46 on the outside of the second gypsum board layer 42.

[0040] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0041] In addition, the terms "above" and "below" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "above" and "below" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0042] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0043] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention are included in the scope of the claims of the present invention to be approved.

Claims

1. A sound insulation and vibration reduction wall structure, characterized in that: include: Keel assembly (1); A supporting layer (2) is installed in the middle of the keel assembly (1); A sound insulation and vibration reduction layer (3) is installed on both sides of the support layer (2); The decorative layer (4) is installed on both sides of the keel assembly (1).

2. The sound insulation and vibration reduction wall structure according to claim 1, characterized in that: The keel assembly (1) comprises: side keel; There are multiple vertical keels (13) evenly installed in the side keels, the support layer (2) is fixed in the middle of the vertical keels (13), and the sound insulation and vibration reduction layer (3) is fixed on both sides of the vertical keels (13).

3. The sound insulation and vibration reduction wall structure according to claim 2, characterized in that: The vertical keel (13) is an integrated structure, comprising a first connecting portion (131), a first transition portion (132), a second connecting portion (133), a third connecting portion (134), a second transition portion (135) and a fourth connecting portion (136) which are connected in sequence, wherein the first connecting portion (131) and the fourth connecting portion (136) are used to install the sound insulation and vibration reduction layer (3), and the second connecting portion (133) and the third connecting portion (134) are used to install the support layer (2).

4. The sound insulation and vibration reduction wall structure according to claim 3, characterized in that: The first connecting portion (131), the second connecting portion (133), the third connecting portion (134) and the fourth connecting portion (136) are arranged in parallel.

5. The sound insulation and vibration reduction wall structure according to claim 3, characterized in that: A connecting rod is provided between the second connecting portion (133) and the third connecting portion (134); The second connecting portion (133) is vertically connected to one end of the connecting rod, and the third connecting portion (134) is vertically connected to the other end of the connecting rod.

6. The sound insulation and vibration reduction wall structure according to claim 2, characterized in that: The side keel comprises: There are two top and bottom keels (11), and two ends of the vertical keel (13) are respectively installed on the two top and bottom keels (11); There are two side keels (12) connected with the two top and bottom keels (11) to form a rectangular structure, and a plurality of vertical keels (13) are evenly arranged between the two side keels (12).

7. The sound insulation and vibration reduction wall structure according to claim 6, characterized in that: The top and bottom keels (11) are provided with first shock absorbing grooves (111), and the side keels (12) are provided with second shock absorbing grooves (121), and both the first shock absorbing grooves (111) and the second shock absorbing grooves (121) are used for installing shock absorbing strips (14).

8. The sound insulation and vibration reduction wall structure according to claim 1, characterized in that: The decorative layer (4) comprises: A first gypsum board layer (41) installed on both sides of the keel assembly (1); A second gypsum board layer (42) is installed on the outside of the first gypsum board layer (41) and is arranged staggered with the first gypsum board layer (41), a chamfered surface (43) is provided at the edge of the second gypsum board layer (42), a gap is provided between adjacent second gypsum board layers (42), and a filling glue (44) is provided in the gap and outside the chamfered surface (43); An adhesive layer (45) is arranged on the outside of the connection between the adjacent second gypsum board layers (42) to prevent the filling glue (44) from leaking out; A decorative surface (46) is arranged on the outer side of the second gypsum board layer (42).

9. A construction method for a sound insulation and vibration reduction wall structure according to any one of claims 1 to 8, characterized in that: The steps include: Installing the keel assembly (1); Installing a support layer (2) in the middle of the keel assembly (1); Installing sound insulation and vibration reduction layers (3) on both sides of the support layer (2); Decorative layers (4) are installed on both sides of the keel assembly (1).

10. The construction method according to claim 9, characterized in that: The step of installing the support layer (2) in the middle of the keel assembly (1) comprises the following steps: The supporting layer (2) on one side of the vertical keel (13) is fixedly mounted on the second connecting portion (133); The supporting layer (2) on the other side of the vertical keel (13) is fixedly mounted on the third connecting portion (134).

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