CN213115334U

CN213115334U - Low-noise floating floor structure

Info

Publication number: CN213115334U
Application number: CN202021046992.9U
Authority: CN
Inventors: 仲晓艳
Original assignee: Nanjing Jinneng New Material Technology Co ltd
Current assignee: Nanjing Jinneng New Material Technology Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-05-04
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to a low-noise floating floor structure, which comprises a sound insulation layer arranged on the surface of a concrete precast floor; a floor layer is arranged on the surface of the sound insulation layer; the two sides of the sound insulation layer are provided with vertical sound insulation pads, and the sound insulation layer comprises a plurality of sound insulation strips; each sound insulation strip is spliced; a plurality of sound insulation cavities are arranged in the sound insulation strips; a partition plate is arranged between each sound insulation cavity; sound insulation cells are arranged in the sound insulation cavity; each sound insulation cell is made of a sound absorption plate; and the sound-absorbing board is internally filled with a sound-insulating rubber layer. The utility model discloses utilize the good syllable-dividing effect of rock wool board, install the cell that gives sound insulation in the sound insulating strip that the rock wool board was made, play the effect of further inhaling the sound noise reduction to because the sound insulating strip is prefabricated shaping, need not the scene and make level, greatly reduced construction strength. Compare with the mode of directly laying the rock wool piece among the prior art, the utility model discloses under the condition of equal thickness, reach more good noise reduction effect, also can not occupy unnecessary interior space simultaneously.

Description

Low-noise floating floor structure

Technical Field

The utility model relates to a floor structure, concretely relates to low noise floats and builds floor structure belongs to construction technical field.

Background

The most important material in the floating floor layer is an elastic sound insulation layer, the elastic sound insulation layer applied in the current market mainly utilizes waste tire rubber as a sound insulation pad, and the product is divided into two types of products, namely a qualified product and a Korean imported product. The rubber pad shock insulation technology was listed as a scientific and technological achievement popularization and transformation project by the Ministry of construction in 9 months in 2000. The existing design method comprises the following steps of cleaning a reinforced concrete plate, paving a thick rock wool block, paving an asphalt felt on the reinforced concrete plate to prevent moisture from permeating the rock wool plate, and pouring a reinforcing steel bar phi 4@250 with a single-layer bidirectional structure, wherein the thickness of the reinforcing steel bar phi 4@250 is 40mm and 1: 2: 3, fine stone concrete, and in the fourth step, scattering 1: 1, cement sand, and compacting and polishing the surface. The prior art has the defect that the rock wool blocks cannot be laid to be too thick, which is about 30mm in most cases, in consideration of the indoor height, and the insulation effect of the thickness on certain noises is poor. And adopt the mode of laying the rock wool piece to make level the process and increased certain degree of difficulty, improved the cost of labor. Therefore, further improvements are desired.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, providing a low noise floats and builds floor structure, gives sound insulation effectually, and the work progress is simple, and the cost is lower.

The low-noise floating floor structure comprises a sound insulation layer arranged on the surface of a concrete prefabricated floor; the surface of the sound insulation layer is provided with a bottom plate layer; the two sides of the sound insulation layer are provided with vertical sound-absorbing pads, and the sound insulation layer comprises a plurality of sound insulation strips; each sound insulation strip is spliced; the sound insulation strip is internally composed of a plurality of sound insulation cells; a partition plate is arranged between each sound insulation cell; each sound insulation unit cell is made of a sound absorption plate; each sound insulation cell is internally provided with a sound insulation cavity; and sound insulation cotton is filled in the sound insulation cavity.

Preferably, the sound insulation strip comprises an outer frame and a splicing part; the baffle plates are vertically and uniformly distributed in the sound insulation strip; and an installation part is arranged between every two sound insulation strips.

Preferably, the sound-absorbing board is a density wood board or a density fiberboard; the installation part set up in the both sides of sound insulating strip.

Preferably, the sound insulation strip is in a wall buttress shape; the mounting parts on the adjacent sound insulation strips are arranged in a staggered manner; the outer surface of the sound insulation unit is covered with flame retardant paint.

Preferably, a reinforcing layer is arranged on the inner side wall of the sound insulation strip; the sound insulation unit grids are abutted against the reinforcing layer; each side wall of the sound insulation strip is made of rock wool boards.

Preferably, the reinforcing layer is internally formed by a plurality of reinforcing ribs in a staggered mode.

Preferably, the sound insulation unit cells are fixed in the sound insulation strips in an adhering or riveting mode.

The utility model discloses utilize the good syllable-dividing effect of rock wool board, install the cell that gives sound insulation in the sound insulating strip that the rock wool board was made, play the effect of further inhaling the sound noise reduction to because the sound insulating strip is prefabricated shaping, need not the scene and make level, greatly reduced construction strength. Compare with the mode of directly laying the rock wool piece among the prior art, the utility model discloses under the condition of equal thickness, reach more good noise reduction effect, also can not occupy unnecessary interior space simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

In the figure, 1 is a sound insulation strip, 1.2 is a splicing part, 2 is a sound insulation cell, 2.1 is a sound insulation cavity, and 3 is a partition board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Terms used herein, including technical and scientific terms, have the same meaning as terms commonly understood by one of ordinary skill in the art, unless otherwise defined. It will be understood that terms defined in commonly used dictionaries have meanings that are consistent with their meanings in the prior art.

Referring to fig. 1-2, a low noise floating floor structure includes a soundproof layer provided on a surface of a concrete prefabricated floor; the surface of the sound insulation layer is provided with a bottom plate layer; the two sides of the sound insulation layer are provided with vertical sound-absorbing pads, and the sound insulation layer comprises a plurality of sound insulation strips 1; each sound insulation strip 1 is spliced; the sound insulation strip 1 is internally composed of a plurality of sound insulation cells 2; a partition plate 3 is arranged between each sound insulation cell 2; each sound insulation unit cell 2 is made of a sound absorption plate; a sound insulation cavity 2.1 is arranged in each sound insulation cell; and a sound insulation rubber layer is filled in the sound insulation cavity 2.1.

Specifically, the multilayer sound insulation structure formed by the sound insulation strips and the sound insulation unit grids has excellent sound insulation effect, and the average sound absorption coefficient can reach 0.43-0.51 under the conditions that the temperature is 23-25 ℃ and the frequency is 0.02-1.4 kHz.

Further, the sound insulation strip 1 comprises an outer frame 1.1 and a splicing part 1.2; the baffle 3 is vertically and evenly distributed in the sound insulation strip 1.

Specifically, in this embodiment, give sound insulation 1 and be vertical or horizontal distribution on the floor surface, through splicing into the plane between every gives sound insulation 1, the concatenation can adopt joggle or the fixed mode of screw, and this mode belongs to conventional technical means, no longer gives unnecessary details.

Furthermore, the sound-absorbing board is a density wood board or a density fiber board; the splicing parts 1.2 are arranged on two sides of the sound insulation strip 1.

Specifically, in this embodiment, the density wood boards are preferably processed using an environmentally friendly grade E0, E1, or E2 substrate, and the expected fire rating may be B1 or a 1.

Furthermore, the splicing part 1.2 is in a wall stack shape; the splicing parts on the adjacent sound insulation strips 1 are arranged in a staggered manner; the outer surface of the sound insulation unit is covered with flame retardant paint.

Specifically, in the present embodiment, the side portions of the soundproof strips 1 are sequentially spliced by the splicing portions 1.2.

Further, a reinforcing layer is arranged on the inner side wall of the sound insulation strip 1; the sound insulation unit grids 2 are abutted against the reinforcing layer; each side wall of the sound insulation strip is made of rock wool boards.

Specifically, in this embodiment, in order to ensure the load-bearing capacity of the soundproof strips, it is preferable to add reinforcing ribs to the inner side walls thereof, and since the reinforcing ribs in the reinforcing layer form an infinite number of air chambers, the characteristic that the speed of sound transmitted by air is the slowest is utilized to perform preliminary sound absorption. The sound insulation unit grids in the sound insulation strips can perform subsequent sound absorption.

Furthermore, the reinforcing layer is internally formed by a plurality of reinforcing ribs in a staggered mode.

Furthermore, the sound insulation unit grids are fixed in the sound insulation strips in an adhering or riveting mode.

Finally, it is noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A low-noise floating floor structure comprises a sound insulation layer arranged on the surface of a concrete prefabricated floor; the surface of the sound insulation layer is provided with a floor layer; the puigging both sides set up vertical amortization pad, its characterized in that: the sound insulation layer comprises a plurality of sound insulation strips (1); each sound insulation strip (1) is spliced; a plurality of sound insulation cavities are arranged in the sound insulation strip (1); a partition plate (3) is arranged between each sound insulation cavity (2.1); a sound insulation cell (2) is arranged in the sound insulation cavity; each sound insulation cell (2) is made of a sound absorption plate; and the sound-absorbing plate is internally filled with a sound-insulating rubber layer.

2. A low noise floating floor structure according to claim 1, wherein: the sound insulation strip (1) comprises an outer frame and a splicing part (1.2); the baffle (3) is vertically and evenly distributed in the sound insulation strip (1).

3. A low noise floating floor structure according to claim 2, wherein: the sound absorption plate is a density wood plate or a density fiberboard; the splicing parts (1.2) are arranged on two sides of the sound insulation strip (1).

4. A low noise floating floor structure according to claim 3, wherein: the splicing part (1.2) is in a wall stack shape; the splicing parts on the adjacent sound insulation strips (1) are arranged in a staggered manner; the outer surface of the sound insulation unit is covered with flame retardant paint.

5. A low noise floating floor structure according to claim 1, wherein: a reinforcing layer is arranged on the inner side wall of the sound insulation strip (1); the sound insulation unit grids (2) are abutted against the reinforcing layer; each side wall of the sound insulation strip is made of rock wool boards.

6. A low noise floating floor structure according to claim 5, wherein: the reinforcing layer is internally formed by a plurality of reinforcing ribs in a staggered mode.

7. A low noise floating floor structure according to claim 1, wherein: the sound insulation unit grids are fixed in the sound insulation strips in an adhering or riveting mode.