Suspended ceiling sound insulation structure

Abstract

The utility model discloses a suspended ceiling sound insulation structure, which relates to the field of buildings, and adopts the technical scheme that the suspended ceiling sound insulation structure comprises a lower framework and an upper framework, a lower sound insulation layer is embedded in the lower framework, an upper sound insulation layer is embedded in the upper framework, the upper framework and the lower framework are mutually staggered on a vertical projection plane, and the bottom surface of the upper sound insulation layer is attached to the top surface of the lower framework. And the upper framework is narrower than the lower framework. The upper sound insulation layer covers the lower framework, the sound insulation effect of the upper framework and the lower framework on the vertical projection plane is guaranteed, the overall sound insulation effect of the sound insulation structure is further guaranteed, the supporting strength of the lower framework is high, the stability of the whole sound insulation structure is guaranteed, the density of the sound absorption filler is small, and the sound insulation effect is good. And a plurality of hole structures are arranged in the sound insulation structure, so that the sound insulation structure has a sound absorption effect, and the noise reduction capability of the sound insulation structure is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building, more specifically, it relates to a suspended ceiling sound insulation structure. BACKGROUND

[0002] Suspended ceiling refers to a kind of decoration of the top decoration of housing living environment, and suspended ceiling can have the effects of heat preservation, heat insulation, sound insulation and sound absorption, and is also the concealed layer of electrical, ventilation and air conditioning, communication and fire prevention, alarm pipeline equipment engineering, wherein, the sound insulation structure used in the existing suspended ceiling is generally composed of keel for supporting and filler for sound insulation, and the filler is located between the keels, however, the sound insulation effect at the keel is not as good as that at the filler, resulting in the reduction of the overall sound insulation effect of suspended ceiling sound insulation structure. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a suspended ceiling sound insulation structure.

[0004] The above technical purpose of the utility model is realized by the following technical scheme: a suspended ceiling sound insulation structure, comprising lower framework and upper framework, the lower framework is embedded with lower sound insulation layer, the upper framework is embedded with upper sound insulation layer, the upper framework and the lower framework are staggered on vertical projection plane, the bottom surface of the upper sound insulation layer is attached to the top surface of the lower framework, and the width of the upper framework is less than that of the lower framework.

[0005] The utility model is further provided as follows: the upper framework and the lower framework are both in square grid shape, and the upper framework is rotated by 45 degrees relative to the lower framework.

[0006] The utility model is further provided as follows: the upper sound insulation layer comprises sound insulation board, and the thickness of the sound insulation board is less than that of the lower sound insulation layer.

[0007] The utility model is further provided as follows: the upper sound insulation layer further comprises sound-absorbing filler, and the sound-absorbing filler is located between the sound insulation board and the lower framework.

[0008] The utility model is further provided as follows: the bottom surface of the sound insulation board is fixedly connected with supporting leg, and the supporting leg penetrates the sound-absorbing filler.

[0009] The utility model is further provided as follows: the supporting leg is located above the staggered part of the lower framework.

[0010] In conclusion, the utility model has the following beneficial effects: the upper sound insulation layer covers the upper side of the lower framework, guarantees the sound insulation effect of the lower framework on the vertical projection plane, and further guarantees the sound insulation effect of the sound insulation structure as a whole, the supporting strength of the lower framework is higher, guarantees the stability of the whole sound insulation structure, the density of the sound absorption filler is smaller, and there are more pore structures inside, has the effect of sound absorption, and further improves the noise reduction capacity of the sound insulation structure. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 Structure diagram of the utility model Figure 1 ;

[0012] Figure 2 Structure diagram of the utility model Figure 2 ;

[0013] Figure 3 Sectional view of the upper sound insulation layer in the utility model.

[0014] In the drawing: 1, lower framework;2, upper framework;3, lower sound insulation layer;4, sound insulation board;5, sound absorption filler;6, supporting leg. DETAILED DESCRIPTION

[0015] The utility model will be described in detail below in combination with the drawings and examples.

[0016] Example: a suspended ceiling sound insulation structure, as shown in Figure 1 、 Figure 2 、 Figure 3 It includes lower framework 1 and upper framework 2, lower framework 1 is embedded with lower sound insulation layer 3, upper framework 2 is embedded with upper sound insulation layer, upper framework 2 and lower framework 1 are staggered with each other on the vertical projection plane, the bottom surface of upper sound insulation layer is attached to the top surface of lower framework 1, the width of upper framework 2 is less than the width of lower framework 1, upper framework 2 and lower framework 1 are both square grid, upper framework 2 is rotated 45 ° relative to lower framework 1.

[0017] Specifically, the cross section of the lower sound insulation layer 3 is square, the lower framework 1 is integrally formed as a whole, the strength of the lower framework 1 as a whole is ensured, the upper framework 2 is arranged on the lower framework 1, and therefore the strength requirement of the upper framework 2 is relatively low, the upper framework 2 is composed of a plurality of square frames, and transportation and assembly are facilitated, the diagonal length of the upper framework 2 is equal to twice the length of the side of the lower framework 1, the area of the upper framework 2 on the vertical projection plane is smaller than the area of the lower framework 1 on the vertical projection plane under the premise of the same overall laying area, and therefore the coverage area of the upper sound insulation layer is greater than the coverage area of the lower sound insulation layer 3, the area of the upper sound insulation board 4 covering the lower framework 1 is increased, the upper sound insulation layer covers the upper part of the lower framework 1, the sound insulation effect of the place where the lower framework 1 is located on the vertical projection plane is ensured, and therefore the sound insulation effect of the whole sound insulation structure is ensured, and the supporting strength of the lower framework 1 is relatively high, and the stability of the whole sound insulation structure is ensured.

[0018] As shown in Figure 1 , Figure 2 , Figure 3 The upper sound insulation layer includes the sound insulation board 4, the thickness of the sound insulation board 4 is smaller than the thickness of the lower sound insulation layer 3, the upper sound insulation layer further includes the sound-absorbing filler 5, the sound-absorbing filler 5 is located between the sound insulation board 4 and the lower framework 1, the bottom surface of the sound insulation board 4 is fixedly connected with the supporting leg 6, the supporting leg 6 penetrates through the sound-absorbing filler 5, and the supporting leg 6 is located above the staggered position of the lower framework 1.

[0019] Specifically, in the embodiment, the sound insulation board 4 is composed of a wood board and a sound insulation felt, the sound-absorbing filler 5 is made of sound-absorbing cotton, the density of the sound insulation board 4 is relatively large, the volume of the sound insulation board 4 is reduced, the load borne by the lower framework 1 is reduced, the density of the sound-absorbing filler 5 is relatively small, and the sound-absorbing filler 5 has a plurality of hole structures inside and has a sound-absorbing effect, the noise reduction capacity of the sound insulation structure is further improved, the supporting leg 6 supports the sound insulation board 4, the sound insulation board 4 is prevented from extruding the sound-absorbing filler 5, the dimensional stability of the sound-absorbing filler 5 is ensured, the strength of the staggered position of the lower framework 1 is relatively high, and the stability of the supporting leg 6 at the position is ensured.

[0020] The preferred embodiments of the utility model are described above, the protection scope of the utility model is not limited to the above-mentioned embodiments only, and any technical scheme falling within the concept of the utility model belongs to the protection scope of the utility model. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the utility model are also regarded as the protection scope of the utility model.

Claims

1. A suspended ceiling soundproofing structure, characterised in that: The soundproofing structure comprises a lower skeleton (1) and an upper skeleton (2), the lower skeleton (1) is embedded with a lower soundproofing layer (3), the upper skeleton (2) is embedded with an upper soundproofing layer, the upper skeleton (2) and the lower skeleton (1) are staggered in the vertical projection plane, the bottom surface of the upper soundproofing layer is attached to the top surface of the lower skeleton (1), and the width of the upper skeleton (2) is smaller than that of the lower skeleton (1).

2. The ceiling soundproofing structure of claim 1, wherein: The upper skeleton (2) and the lower skeleton (1) are both in the form of square grid, and the upper skeleton (2) is rotated by 45 degrees relative to the lower skeleton (1).

3. The ceiling soundproofing structure of claim 1, wherein: The upper soundproofing layer comprises soundproofing plates (4), and the thickness of the soundproofing plates (4) is smaller than that of the lower soundproofing layer (3).

4. The ceiling soundproofing structure of claim 3, wherein: The upper soundproofing layer further comprises sound-absorbing fillers (5), and the sound-absorbing fillers (5) are located between the soundproofing plates (4) and the lower skeleton (1).

5. The ceiling soundproofing structure of claim 4, wherein: The bottom surface of the soundproofing plates (4) is fixedly connected with supporting legs (6), and the supporting legs (6) penetrate through the sound-absorbing fillers (5).

6. The ceiling soundproofing structure of claim 5, wherein: The supporting legs (6) are located above the staggered positions of the lower skeleton (1).

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