1. The utility model provides a shock attenuation sound insulation floor, its characterized in that includes upper substrate, lower floor's base plate and is located shock attenuation puigging between upper substrate and the lower floor's base plate, upper substrate, lower floor's base plate with shock attenuation puigging is range upon range of to be arranged, shock attenuation puigging includes polyurethane layer and honeycomb panel, the honeycomb panel is filled and is arranged polyurethane is on the layer.

2. The vibration dampening and sound insulating floor according to claim 1, wherein the honeycomb panels are discretely arranged in a matrix form within the polyurethane layer.

3. The vibration-damping and sound-insulating floor according to claim 2, wherein the honeycomb plate is filled with a sound-absorbing material.

4. The vibration-damping and sound-insulating floor according to claim 3, wherein the sound-absorbing material is polyester fiber.

5. The floor of any one of claims 1 to 4, wherein at least two layers of the polyurethane layers are stacked up and down, the honeycomb plate is disposed in each layer of the polyurethane layer, and the honeycomb pore size of the honeycomb plate in the upper layer of the polyurethane layer is smaller than that of the honeycomb plate in the lower layer of the polyurethane layer.

6. The vibration-damping and soundproof floor according to any one of claims 1 to 4, wherein said vibration-damping and soundproof layer further comprises a metal plate layer which is stacked on an upper side of said lower substrate, and a three-dimensional structure for scattering sound waves is disposed on a top surface of said metal plate layer.

7. The vibration-damping and sound-insulating floor as claimed in claim 6, wherein the three-dimensional structure is a frustum.

8. The shock-absorbing and sound-insulating floor as claimed in claim 6, wherein a plurality of sound-absorbing holes are further opened at the bottom of the metal plate layer, and a cavity for absorbing sound waves is formed between the sound-absorbing holes and the lower substrate.

9. The vibration-damping and sound-insulating floor as claimed in any one of claims 1 to 4, wherein a decorative layer and a wear-resistant layer are further stacked and disposed on the upper substrate, the wear-resistant layer being disposed on an upper side of the decorative layer.

10. The vibration-damping and sound-insulating floor as claimed in claim 9, wherein the wear-resistant layer is made of alumina.

Background

Along with the improvement of urbanization, the density of residents is improved, and the mutual interference among neighborhoods is increased, so that indoor sound insulation is one of important projects of modern decoration in the house decoration process. The floor is widely applied to indoor decoration because of good performance, when people move indoors, the floor collides with the floor to generate noise when feet, tables and chairs or even objects fall, and therefore the damping and sound insulation performance of the floor is very important for the overall effect of indoor sound insulation.

Polyurethane is used as a chemical material, has light weight and good stability, and has good sound insulation and heat insulation performance, and polyurethane is usually added on the existing floor as a damping and sound insulation structure. For example, chinese patent application publication No. CN108756128A discloses a microcellular elastomer vibration-damping floor, which comprises: a decorative layer, a non-woven fabric layer and a polyurethane microporous elastomer layer; wherein, the non-woven fabric layer is fixedly arranged below the decorative layer; the polyurethane microporous elastomer layer is fixedly arranged below the non-woven fabric layer.

In the conventional damping floor, the polyurethane layer cloth is adhered to the decorative layer, and the elasticity of the polyurethane material is utilized to play a role in damping and silencing. However, the existing floor only fixes the polyurethane material with the decorative layer after foaming into a layer, and utilizes the structural characteristics of the polyurethane to perform noise reduction, so that the noise reduction effect is limited.

Disclosure of Invention

The purpose of the invention is: the utility model provides a shock attenuation sound insulation floor to the limited problem of noise cancelling effect when solving current floor and adopting polyurethane material.

In order to achieve the purpose, the invention provides a damping and sound-insulating floor which comprises an upper layer substrate, a lower layer substrate and a damping and sound-insulating layer positioned between the upper layer substrate and the lower layer substrate, wherein the upper layer substrate, the lower layer substrate and the damping and sound-insulating layer are arranged in a laminated mode, the damping and sound-insulating layer comprises a polyurethane layer and a honeycomb plate, and the honeycomb plate is filled and arranged in the polyurethane layer.

Preferably, the honeycomb panel is discretely arranged in a matrix form within the polyurethane layer.

Preferably, the honeycomb plate is filled with a sound absorbing material.

Preferably, the sound-absorbing material is polyester fiber.

Preferably, the polyurethane layer has at least two layers stacked up and down, the cellular boards are uniformly distributed in the polyurethane layer of each layer, and in the two adjacent polyurethane layers, the cellular aperture of the cellular board in the upper polyurethane layer is smaller than that of the cellular board in the lower polyurethane layer.

Preferably, the shock-absorbing and sound-insulating layer further comprises a metal plate layer arranged on the upper side of the lower substrate in a stacked manner, and a three-dimensional structure for scattering sound waves is arranged on the top surface of the metal plate layer.

Preferably, the three-dimensional structure is a frustum.

Preferably, a plurality of sound absorbing holes are further formed in the bottom of the metal plate layer, and a cavity for absorbing sound waves is formed between the sound absorbing holes and the lower substrate.

Preferably, a decorative layer and an abrasion resistant layer are further arranged on the upper substrate in a laminated manner, and the abrasion resistant layer is arranged on the upper side of the decorative layer.

Preferably, the material of the wear-resistant layer is alumina.

Compared with the prior art, the damping and sound insulation floor provided by the embodiment of the invention has the beneficial effects that: the damping and sound insulation layer comprises polyurethane and a cellular board, the cellular board is filled in the polyurethane layer, when sound waves are transmitted, the sound waves firstly enter the polyurethane layer, and the polyurethane layer is provided with micropores, has strong elasticity, good sound absorption and energy absorption and can absorb part of the sound waves; meanwhile, sound waves penetrate through the polyurethane layer and then enter the honeycomb plate, and honeycomb-shaped micropores in the honeycomb plate can absorb the sound waves transmitted from the polyurethane layer, so that the sound waves are continuously reflected and absorbed in the honeycomb holes, and the silencing effect is achieved; the honeycomb plate is filled in the polyurethane layer to carry out double absorption on sound waves, so that the noise reduction effect of the floor is improved.

Drawings

FIG. 1 is a schematic structural view of a vibration-damping and soundproof floor according to the present invention;

FIG. 2 is a schematic structural view of a polyurethane layer of the vibration-damping and soundproof floor of FIG. 1;

fig. 3 is a schematic structural view of a metal plate layer of the vibration-damping and soundproof floor of fig. 1.

In the figure, 1, an upper substrate; 2. a lower substrate; 3. a decorative layer; 4. a wear layer; 5. a polyurethane layer; 6. a honeycomb panel; 7. a metal plate layer; 71. a frustum; 72. the sound absorbing hole.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 3, the damping and soundproof floor according to the preferred embodiment of the present invention includes an upper substrate 1, a lower substrate 2, a damping and soundproof layer, a decorative layer 3, and a wear-resistant layer 4, wherein the upper substrate 1, the lower substrate 2, the damping and soundproof layer, the decorative layer 3, and the wear-resistant layer 4 are stacked.

The upper substrate 1 and the lower substrate 2 are main bodies of the damping and sound-insulating floor, and the upper substrate 1 and the lower substrate 2 can be wood boards, main boards or stone materials. The upper substrate 1 is located above the lower substrate 2, the decorative layer 3 and the wear-resistant layer 4 are respectively arranged on the upper side of the upper substrate 1 in a stacking mode, the wear-resistant layer 4 is arranged on the upper side of the decorative layer 3, the decorative layer 3 can be made of cotton cloth, non-woven fabric and the like, and the decorative layer 3 is used for drawing exquisite patterns and increasing the attractive effect of the damping and sound insulation floor. The wearing layer 4 is located the outside on shock attenuation sound insulation floor, and wearing layer 4 can increase the wearability on floor, prolongs the life on floor, and in this embodiment, the material of wearing layer 4 is aluminium oxide, and in other embodiments, wearing layer 4 also can be for adding the resin of aluminium oxide powder etc..

Shock attenuation puigging is range upon range of and is arranged between upper substrate 1 and lower floor's base plate 2, and shock attenuation puigging includes polyurethane layer 5 and honeycomb panel 6, and honeycomb panel 6 is filled in polyurethane layer 5. Polyurethane material self has micropore and elasticity is strong, has the shock attenuation effect, can absorb partial sound wave, and in sound wave penetrated behind the polyurethane layer 5 and got into honeycomb panel 6 simultaneously, the sound wave of 5 transmissions from the polyurethane layer can be absorbed to the inside honeycomb shape micropore of honeycomb panel 6, makes sound wave constantly reflect, absorb in the honeycomb hole, reaches noise cancelling effect.

Preferably, the honeycomb plate 6 is provided in plurality, the plurality of honeycomb plates 6 are discretely arranged in the polyurethane layer 5 in a matrix form, and the honeycomb plates 6 are discretely arranged, so that the strength of the polyurethane layer 5 can be increased, and the phenomenon that the strength of the floor is reduced due to the too dense honeycomb plates 6 can be avoided. The density of the honeycomb holes of the honeycomb plate 6 is 80-150 meshes/cm, the honeycomb holes have better absorption effect on various sound waves under the density, and the density of the honeycomb holes can be 100 or 120 meshes/cm.

In this embodiment, the honeycomb panel 6 is made of a wood board, which is convenient to form and has light weight and high strength, and in other embodiments, the honeycomb panel 6 may also be made of a gypsum board, a stone material, or the like. Preferably, the honeycomb panel 6 is filled with a sound absorbing material, in this embodiment, the sound absorbing material is polyester fiber, and when the sound waves are reflected and weakened in the honeycomb holes, the sound absorbing material can also absorb the sound waves, so as to increase the transmission loss of the sound waves and improve the sound attenuation effect.

Preferably, two layers of polyurethane layers 5 are arranged in a stacking manner along the upper direction, and honeycomb plates 6 are uniformly arranged in each polyurethane layer 5. The honeycomb pore diameter of the honeycomb plate 6 in the polyurethane layer 5 close to the upper substrate 1 is smaller than that of the honeycomb plate 6 in the polyurethane layer 5 close to the lower substrate 2, namely, the honeycomb pore density of the honeycomb plate 6 in the polyurethane layer 5 of the upper layer is larger than that of the honeycomb plate 6 in the polyurethane layer 5 of the lower layer. When sound is absorbed by the micropores, the smaller the pore diameter in a certain range, the better the sound absorption effect is, and the sound is gradually reduced along with the transmission, so that the pore density of the honeycomb pore plate at the bottom layer can be properly reduced and is consistent with the transmission rule of the sound. In other embodiments, the polyurethane layer 5 may have three layers, four layers, etc.

The shock-absorbing and sound-insulating layer further comprises a metal plate layer 7, and the metal plate layer 7 is arranged on the upper side of the lower substrate 2 in a stacking mode, namely the metal plate layer 7 is located between the polyurethane layer 5 at the bottommost layer and the lower substrate 2. The metal plate layer 7 has a good reflection effect on sound, and can reduce sound waves transmitted to the lower substrate 2.

Preferably, a three-dimensional structure is further arranged on the top surface of the metal plate layer 7, and when the sound waves are transmitted to the metal plate layer 7, the three-dimensional structure can scatter the sound waves towards multiple directions, so that the sound waves are diffused, and meanwhile, the sound waves are conducted in different directions, so that the sound waves are reduced from penetrating through the metal plate layer 7.

Preferably, the three-dimensional structure is the frustum 71, the frustum 71 is a quadrangular structure, the structural strength of the frustum 71 is high, and meanwhile, the contact area between the frustum 71 and the polyurethane layer 5 is increased, so that the overall structural strength of the floor can be ensured. In other embodiments, the three-dimensional structure may also be a circular truncated cone, a spherical protrusion, or the like. The bottom of sheet metal layer 7 has still been seted up a plurality ofly and has been inhaled sound hole 72, inhales sound hole 72 and be circular structure, inhales to form the cavity that is used for absorbing the sound wave between sound hole 72 and the lower floor's base plate 2, and the sound wave can reflect repeatedly in the cavity after penetrating sheet metal layer 7 to play the effect of inhaling the sound.

To sum up, the embodiment of the invention provides a damping and sound-insulating floor, wherein the damping and sound-insulating layer comprises polyurethane and a cellular board, the cellular board is filled in the polyurethane layer, when sound waves are transmitted, the sound waves firstly enter the polyurethane layer, and the polyurethane layer has micropores, is strong in elasticity, good in sound absorption and energy absorption and can absorb part of the sound waves; meanwhile, sound waves penetrate through the polyurethane layer and then enter the honeycomb plate, and honeycomb-shaped micropores in the honeycomb plate can absorb the sound waves transmitted from the polyurethane layer, so that the sound waves are continuously reflected and absorbed in the honeycomb holes, and the silencing effect is achieved; the honeycomb plate is filled in the polyurethane layer to carry out double absorption on sound waves, so that the noise reduction effect of the floor is improved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.