CN218028278U

CN218028278U - High-performance sound insulation board

Info

Publication number: CN218028278U
Application number: CN202221928685.2U
Authority: CN
Inventors: 洪全兴; 董武雄; 洪剑波
Original assignee: Fujian Province To Taifeng Energy Saving Environmental Protection Technology Co ltd
Current assignee: Fujian Province To Taifeng Energy Saving Environmental Protection Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-12-13
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to the technical field of sound insulation of buildings and large-scale equipment, in particular to a high-performance sound insulation board, which comprises a perforated metal hole board, a first centrifugal glass wool layer, a first sound insulation felt layer, a cement fiber layer, a second sound insulation felt layer, a second centrifugal glass wool layer, a third sound insulation felt layer and a metal back board which are sequentially stacked from top to bottom; a keel is erected between the metal hole plate and the metal back plate, the keel is provided with a convex tooth part used for installation and positioning, two sides of the convex tooth part are straight sections, the convex tooth part is arranged at the side end of the first centrifugal glass cotton layer or the second glass cotton layer, and the two sides of the convex tooth part are filled with the first centrifugal glass cotton layer or the second centrifugal glass cotton layer. The utility model provides a current sound proof board receive the mounting structure restriction to lead to the not good problem of sound insulation effect.

Description

High-performance sound insulation board

Technical Field

The utility model relates to a building and main equipment sound insulation technical field, concretely relates to high performance sound insulation board.

Background

Traditional sound insulation board is mostly simple laminated structure, most structure is the panel, inhale the sound cotton and constitute with the backplate, the weight of the meter sound insulation volume of this kind of structure is about 30dB (A), for example the sound insulation board is inhaled that chinese patent CN 2141699732U shows, including two steel stone composite sheet layers that set up at the interval side by side and the sound insulation material layer that inhales that sets up between two steel stone composite sheet layers, steel stone composite sheet layer includes inorganic sheet layer and the metal sheet layer of compound on inorganic sheet layer, and simultaneously, sound insulation board still includes the fossil fragments that are used for supporting between two steel stone composite sheet layers, in order to increase structural strength.

However, the hollow tubular keel structure is only used as a structural support, the keel position reduces the sound insulation effect, the sound insulation plates are mostly spliced and installed by a plurality of blocks when used, gaps easily appear at the installation positions of the two sound insulation plates, and the sound insulation effect of the joint is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a high performance sound insulation board has solved current sound insulation board and has received the mounting structure restriction to lead to the not good problem of sound insulation effect.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a high-performance sound insulation board comprises a perforated metal hole board, a first centrifugal glass wool layer, a first sound insulation felt layer, a cement fiber layer, a second sound insulation felt layer, a second centrifugal glass wool layer, a third sound insulation felt layer and a metal back board which are sequentially stacked from top to bottom;

a keel is erected between the metal hole plate and the metal back plate, the keel is provided with a convex tooth part used for installation and positioning, two sides of the convex tooth part are straight sections, the convex tooth part is arranged at the side end of the first centrifugal glass cotton layer or the second glass cotton layer, and the two sides of the convex tooth part are filled with the first centrifugal glass cotton layer or the second centrifugal glass cotton layer.

Preferably, the thickness of the first centrifugal glass wool layer is smaller than that of the second centrifugal glass wool layer, and the thickness ratio of the first centrifugal glass wool layer to the second centrifugal glass wool layer is 0.5-0.8.

Preferably, the volume weight of the first centrifugal glass wool layer is smaller than that of the second centrifugal glass wool layer, and the volume weight ratio of the first centrifugal glass wool layer to the second centrifugal glass wool layer is 0.4-0.8.

Preferably, the metal hole plate and the metal back plate are galvanized steel plates.

Preferably, a glass fiber cloth layer is sandwiched between the metal pore plate and the first centrifugal glass wool layer.

Preferably, the first, second and third layers of deadening felt are damping deadening felts having a thickness of 1 to 3 mm.

Preferably, the surfaces of the metal pore plate and the metal back plate are provided with plastic spraying layers.

Preferably, the thickness of the cement fiber layer is 8-12 mm.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the utility model firstly increases the internal structure of the sound insulation board, adopts more sound insulation materials, greatly improves the sound insulation performance compared with the traditional sound insulation board, and weights the sound insulation quantity to reach 50-53dB (A);

the keel structure on the sound insulation plate is structurally improved, the convex tooth parts for installation are arranged, the sound insulation plates are conveniently positioned and spliced through the convex tooth parts when being installed, and the first centrifugal glass cotton layer or the centrifugal glass cotton layer is filled on two sides of the convex tooth parts, so that the design has the advantages that firstly, parts with smaller thicknesses are concentrated in the straight sections on the keel, and then a structure with regular appearance can be formed during production, and only the edges of the first centrifugal glass cotton layer or the second centrifugal glass cotton layer with different edges need to be processed to be attached to the structure of the convex tooth parts, and the production and the processing are facilitated; secondly, the both sides of the junction of convex tooth portion all cover and have sound insulation material, and the upper end and the lower extreme of convex tooth portion all are covered by each layer material that is located the straight section, compare in traditional rectangle tubulose fossil fragments and have increased the processing degree of difficulty, but seam connection structure between the sound proof board is inseparable, is difficult for appearing the gap to also have good syllable-dividing effect.

Drawings

Fig. 1 is a schematic view of a laminated structure (in a separated state) according to an embodiment of the present invention;

fig. 2 is a schematic view of a splicing structure of two sound insulation plates according to an embodiment of the present invention;

fig. 3 is a schematic view of a part a of the enlarged structure in fig. 2.

Reference numerals are as follows: 1. a metal orifice plate; 21. a first centrifugal glass wool layer; 22. a second centrifugal glass wool layer; 31. a first sound-deadening felt layer; 32. a second sound-deadening felt layer; 33. a third sound-insulating felt layer; 4. a cement fiber layer; 5. a metal back plate; 6. a keel; 61. a convex tooth part; 62. a straight section; 7. glass fiber cloth layer.

Detailed Description

The following detailed description will be given with reference to specific embodiments, so as to solve the technical problems by applying technical means, and to fully understand and implement the technical effects of the present invention.

Referring to fig. 1, 2 and 3, a high performance sound-proof panel includes a perforated metal perforated plate 1, a first centrifugal glass wool layer 21, a first deadening felt layer 31, a cement fiber layer 4, a second deadening felt layer 32, a second centrifugal glass wool layer 22, a third deadening felt layer 33 and a metal back plate 5 which are sequentially stacked from top to bottom; structurally, in order to ensure that the thickness is not excessive, it is preferable that the first, second, and third deadening felt

layers

31, 32, and 33 be damping deadening felts having a thickness of 2 mm; the thickness may also be 1-3 mm depending on the product positioning. According to the technical scheme, the internal structure of the sound insulation board is increased, more sound insulation materials are adopted, the sound insulation performance is greatly improved compared with that of the traditional sound insulation board, and the weighted sound insulation quantity reaches 50-53dB (A) through experimental tests.

Erect fossil fragments 6 between metal orifice plate 1 and the metal backplate 5, fossil fragments 6 have the dogtooth portion 61 that is used for the installation location, dogtooth portion 61 both sides are straight section 62, dogtooth portion 61 is located the side end department on the cotton layer of second glass, and the cotton layer 22 of second centrifugation glass is filled dogtooth portion 61 both sides. The keel 6 structure on the sound insulation plate is structurally improved, the convex tooth parts 61 for installation are arranged, when a plurality of sound insulation plates are installed, the convex tooth parts 61 are used for convenient positioning and splicing, and the first centrifugal glass wool layer 21 or the centrifugal glass wool layers are filled on two sides of the convex tooth parts 61, so that the design has the advantages that firstly, other parts with smaller thickness are concentrated in the straight section 62 on the keel 6, and then a structure with regular appearance can be formed during production, and only the edges of the first centrifugal glass wool layer 21 or the second centrifugal glass wool layer 22 with different edges are needed to be machined so as to be attached to the structure of the convex tooth parts 61, and the production and machining are facilitated; secondly, both sides of the joint of the convex tooth part 61 are covered with sound insulation materials, the upper end and the lower end of the convex tooth part 61 are covered by each layer of materials in the straight section 62, compared with the traditional rectangular tubular keel 6, although the processing difficulty is increased, the joint of the sound insulation plates is tight in joint connection structure, gaps are not easy to occur, and a good sound insulation effect is also achieved.

It should be noted that the convex tooth portion 61 may be disposed at the first glass wool layer according to the size and design of the product.

Structurally, the thickness of the first centrifugal glass wool layer 21 is smaller than that of the second centrifugal glass wool layer 22, and the thickness ratio of the first centrifugal glass wool layer to the second centrifugal glass wool layer is 0.5-0.8; in particular, the thickness of the first layer of centrifugal glass wool 21 is 50 mm, while the thickness of the second layer of centrifugal glass wool 22 is 80 mm; meanwhile, the bulk density of the first centrifugal glass wool layer 21 is smaller than that of the second centrifugal glass wool layer 22, the bulk density ratio is 0.4-0.8, specifically, the bulk density of the first centrifugal glass wool layer 21 is 32kg/m3, the bulk density of the second centrifugal glass wool layer 22 is 48kg/m3, the improvement can be different for the positions of two layers of materials, the second centrifugal glass wool layer 22 is close to the metal back plate 5, namely, one side close to the binding surface during installation, a structure with large thickness and large bulk density is selected, the stability of the binding surface can be improved after binding, the principle design of the sound insulation plate is met, the structure is used as the structural support of the first centrifugal glass wool layer 21, and the situation that the first centrifugal glass wool layer 21 falls off due to overweight is avoided.

In the aspect of material selection, the metal hole plate 1 and the metal back plate 5 are made of galvanized steel plates, and the keel 6 is also formed by bending the galvanized steel plates, so that the keel 6 and the back plate or the steel plates can be integrally formed and then bent to obtain a required shape during production. Specifically, the keel 6 is formed by bending the metal hole plate 1, so that a connecting structure of the keel and the metal back plate 5 can be embedded in the keel, and the consistency and the attractiveness of the appearance are improved; simultaneously, in order to increase the performance of orifice plate 1, metal backplate 5, the surface of orifice plate 1 and metal backplate 5 sets up the spraying plastics layer, and the spraying plastics layer can improve physical properties such as wear-resisting, antifouling between them.

Structurally, a glass fiber cloth layer 7 is sandwiched between the metal orifice plate 1 and the first centrifugal glass wool layer 21. The glass fiber cloth layer can improve the heat resistance, insulation, corrosion resistance and other characteristics of the sound insulation board, and protects all internal layers of materials.

In this embodiment, the thickness of the cement fiber layer 4 is 10 mm, and the thickness of the cement fiber layer 4 is selected to ensure that the weight is not too large, and to satisfy the structural strength and the sound insulation effect, and is selected to be between 8 mm and 12 mm.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a high performance sound insulation board which characterized in that: the sound-proof floor comprises a perforated metal hole plate (1), a first centrifugal glass wool layer (21), a first sound-proof felt layer (31), a cement fiber layer (4), a second sound-proof felt layer (32), a second centrifugal glass wool layer (22), a third sound-proof felt layer (33) and a metal back plate (5) which are sequentially stacked from top to bottom;

erect fossil fragments (6) between metal orifice plate (1) and metal backplate (5), fossil fragments (6) have the dogtooth portion (61) that are used for the installation location, dogtooth portion (61) both sides are straight section (62), dogtooth portion (61) are located the side department on first centrifugal glass cotton layer (21) or the cotton layer of second glass, first centrifugal glass cotton layer (21) or the cotton layer of second centrifugal glass (22) are filled dogtooth portion (61) both sides.

2. A high performance acoustical panel as set forth in claim 1, wherein: the thickness of the first centrifugal glass wool layer (21) is smaller than that of the second centrifugal glass wool layer (22), and the thickness ratio of the first centrifugal glass wool layer to the second centrifugal glass wool layer is 0.5-0.8.

3. A high performance acoustical panel as set forth in claim 2, wherein: the volume weight of the first centrifugal glass wool layer (21) is smaller than that of the second centrifugal glass wool layer (22), and the volume weight ratio of the first centrifugal glass wool layer to the second centrifugal glass wool layer is 0.4-0.8.

4. The high-performance sound-insulating board according to claim 2, characterized in that: the metal pore plate (1) and the metal back plate (5) are galvanized steel plates.

5. A high performance acoustical panel as set forth in any one of claims 1-4, wherein: a glass fiber cloth layer (7) is sandwiched between the metal pore plate (1) and the first centrifugal glass wool layer (21).

6. A high performance acoustical panel as set forth in any one of claims 1-4, wherein: the first sound-proof felt layer (31), the second sound-proof felt layer (32) and the third sound-proof felt layer (33) are damping sound-proof felts with the thickness of 1-3 mm.

7. A high performance acoustical panel as set forth in any one of claims 1-4, wherein: and plastic spraying layers are arranged on the surfaces of the metal pore plate (1) and the metal back plate (5).

8. A high performance acoustical panel as set forth in any one of claims 1-4, wherein: the thickness of the cement fiber layer (4) is 8-12 mm.