SPC floor with sound insulation effect

By using self-foaming polyurethane foam and an interlaced grid structure in SPC flooring, the problems of limited sound insulation and unstable adhesion were solved, achieving efficient and low-cost sound insulation.

CN224032074UActive Publication Date: 2026-03-24JIAXING AOPU JINDA KITCHEN & BATHROOM TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The sound insulation effect of existing SPC flooring is limited by the material of the sound insulation pad, and the bonding effect depends on the quality of the glue, resulting in high processing costs and easy delamination, hollowing, and lateral displacement problems.

Method used

A self-foaming polyurethane foam material is used to form a polyurethane foam layered structure. Combined with an interlaced grid board, a cross-linked structure is formed, which improves the bonding strength between the various layers of the sound insulation layer, and the sound waves are scattered in multiple layers through reflective prisms.

Benefits of technology

It improves sound insulation and bonding strength, reduces processing costs, avoids delamination, hollowing, and lateral displacement, and enhances the practicality and sound insulation capabilities of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The SPC floor with the sound insulation effect comprises an upper base layer, a hollow groove is formed in the inner side of the lower portion of the upper base layer, a phase change heat preservation layer is arranged on the upper portion of the inner side of the hollow groove, an upper square pad is arranged on the lower portion of the inner side of the hollow groove, and a connecting layer is arranged between the upper square pad and the phase change heat preservation layer. An inner square pad is arranged on the side, away from the phase change heat preservation layer, of the upper square pad, a lower square pad is arranged on the side, away from the upper square pad, of the inner square pad, and foaming noise reduction layers are arranged on the portions, between the upper square pad and the lower square pad, of the inner square pad. The foaming silencing layer formed by the two layers of polyurethane polystyrene foam is matched with the three layers of grid plates with the grids capable of being mutually staggered, so that the adhesion area is greatly increased, the connection strength between the foaming silencing layer and the plate can be improved, meanwhile, sound waves can be subjected to multi-layer scattering through the reflection edges among the grid grooves, and the sound attenuation effect is improved. And the sound wave consumption capability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building board technology field especially a kind of SPC floor with sound insulation effect. BACKGROUND

[0002] SPC floor, namely stone plastic floor, mainly with the board material made of calcium powder and PVC mixture as base plate, decorative layer is set on the surface of base plate.As emerging ground paving material, compared with traditional floor, stone plastic floor has the advantages of environmental protection, no formaldehyde, cheap, waterproof, moisture-proof, anti-skid, insect-proof, flame-retardant, not easy to crack, not easy to deform, easy to clean and the like.

[0003] In order to avoid the sound of floor to the floor below, the existing SPC floor with sound insulation effect, generally through adding sound insulation pad, purely utilize the damping effect and soft and hard material of sound insulation pad itself sound wave loss sound insulation, although have certain sound insulation effect, but sound insulation effect is limited by sound insulation pad material, and sound insulation pad and itself SPC base layer need rely on adhesive to bond, not only need to use gluing equipment to carry out glue application process when processing, bonding effect also mainly depends on glue quality and coating quality, when bonding effect is bad, easy to lead to floor delamination hollowing lateral displacement, and the adhesive with good bonding effect cost is not lower than that of sound insulation pad, further increase the cost of adhesive and gluing equipment cost, with further improvement space. UTILITY MODEL CONTENT

[0004] The utility model is to at least solve one of the problems in the prior art, provide a kind of SPC floor with sound insulation effect, by using the polyurethane foaming material that can be self-foaming, the polyurethane foaming layer level structure formed can simultaneously have sound insulation and bonding effect, cooperate with staggered square board, form crosslinking structure, improve the bonding strength between each level of sound insulation layer, solve the above problems.

[0005] In order to achieve the above object, the utility model provides a kind of SPC floor with sound insulation effect, including upper base layer, hollow slot is set in the lower side of the upper base layer, the upper side of the inner side of the hollow slot is provided with phase change heat preservation layer, the lower side of the inner side of the hollow slot is provided with upper lattice pad, connecting layer is provided between the upper lattice pad and phase change heat preservation layer, the side of the upper lattice pad away from phase change heat preservation layer is provided with inner lattice pad, the side of the inner lattice pad away from upper lattice pad is provided with lower lattice pad, foamed sound-absorbing layer is provided between the upper lattice pad and lower lattice pad in the inner lattice pad, the two faces of the inner lattice pad, upper lattice pad and lower lattice pad are arrayed with multiple lattice slots, the multiple lattice slots of the inner lattice pad are staggered with the lattice slot of upper lattice pad and lower lattice pad, reflecting edge is provided between multiple lattice slots, connecting through-hole is set in the center of multiple lattice slots in the inner lattice pad, limiting support leg is provided at the two faces of the inner lattice pad four corners, upper lattice pad and lower lattice pad are set in the four corners of the side close to the inner lattice pad with the limiting slot corresponding with limiting support leg.

[0006] According to the SPC floor with sound insulation effect, the two foamed sound-absorbing layers and the connecting layer are foamed polyurethane layers.

[0007] According to the SPC floor with sound insulation effect, the two foamed sound-absorbing layers are connected to each other through the inner lattice pad by the multiple connecting through-holes.

[0008] According to the SPC floor with sound insulation effect, the phase change heat preservation layer is an existing PCM constant temperature plate for buildings.

[0009] According to the SPC floor with sound insulation effect, the upper base layer, the inner lattice pad, the upper lattice pad and the lower lattice pad are SPC plates.

[0010] According to the SPC floor with sound insulation effect, the multiple reflecting edges are provided with reflecting inclined surfaces on both sides of the end of the end of the lattice slot.

[0011] According to the SPC floor with sound insulation effect, the multiple limiting support legs are formed by perpendicularly connecting the two right-angle trapezoidal plates.

[0012] The above scheme has at least one of the following beneficial effects:

[0013] 1、The utility model sets up foamed sound-absorbing layer formed by two layers of polyurethane foaming glue, cooperates three layers of lattice and can be staggered lattice plate, greatly improves adhesion area, can improve the connecting strength between foamed sound-absorbing layer and plate material, also can carry out multilayer scattering to sound wave through reflecting edge between lattice slot, improves the consumption ability to sound wave, strengthens sound insulation effect, improves the practicality of device.

[0014] 2、The upper lattice mat and the lower lattice mat cooperate with the inner lattice mat, the reflection path of the sound wave is greatly increased under the condition that the number of reflection edges is unchanged, the scattering effect is improved, the consumption capacity for the sound wave is further improved, and the practicability of the device is strengthened.

[0015] 3、The utility model discloses a phase change insulation layer, can utilize the phase change process of phase change material from solid to liquid or from liquid to solid, absorbs or releases a large amount of latent heat, maintains indoor temperature balance, prolongs temperature change time, increases dynamic temperature insulation effect, and strengthens the practicability of the device.

[0016] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further illustrated below in combination with the drawings and examples;

[0018] Figure 1 It is the middle section structure schematic drawing of the utility model of SPC floor with sound insulation effect;

[0019] Figure 2 It is the three-dimensional structure schematic diagram of lower lattice mat of the utility model;

[0020] Figure 3 It is the three-dimensional structure schematic diagram of inner lattice mat of the utility model;

[0021] Figure 4 It is the layout structure schematic diagram of upper lattice mat, lower lattice mat and inner lattice mat of the utility model.

[0022] LEGEND:

[0023] 1, upper base layer;2, hollow groove;3, phase change insulation layer;4, upper lattice mat;5, inner lattice mat;6, lower lattice mat;7, foamed sound insulation layer;8, lattice groove;9, reflection edge;10, limiting foot;11, limiting groove;12, connecting layer;13, connecting through hole. DETAILED DESCRIPTION

[0024] This part will describe the specific embodiment of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, the drawings all adopt very simplified form and all use non-precise scale, only for the purpose of convenient and clear auxiliary explanation of the embodiment of the utility model, and cannot be understood as the limitation of the protection scope of the utility model.

[0025] Referring to Figures 1-4 The utility model discloses a SPC floor with sound insulation effect, including upper base layer 1, the lower inside of upper base layer 1 is equipped with hollow slot 2, the inside upper portion of hollow slot 2 is provided with phase change insulation layer 3, phase change insulation layer 3 is the PCM constant temperature plate for the existing building, can utilize the phase change process of phase change material by solid state changes into liquid state or by liquid state changes into solid state, absorbs or releases a large amount of latent heat, maintains indoor temperature balance, prolongs the time of temperature change, increases the effect of dynamic temperature insulation, the inside lower portion of hollow slot 2 is provided with upper lattice pad 4, be provided with connecting layer 12 between upper lattice pad 4 and phase change insulation layer 3, the side of upper lattice pad 4 away from phase change insulation layer 3 is provided with inner lattice pad 5, the side of inner lattice pad 5 away from upper lattice pad 4 is provided with lower lattice pad 6, upper base layer 1, inner lattice pad 5, upper lattice pad 4 and lower lattice pad 6 are all SPC board material, inner lattice pad 5 is provided with foamed sound insulation layer 7 between upper lattice pad 4 and lower lattice pad 6, and two foamed sound insulation layers 7 and connecting layer 12 are all foamed polyurethane layer, by using the polyurethane foaming material that can be foamed, the polyurethane foaming layer level structure formed can have sound insulation and adhesive effect simultaneously;

[0026] The two surfaces of inner lattice pad 5, upper lattice pad 4 and lower lattice pad 6 are all arrayed with a plurality of lattice slots 8, the plurality of lattice slots 8 of inner lattice pad 5 and the lattice slot 8 of upper lattice pad 4 and lower lattice pad 6 are interlaced, a plurality of reflecting edges 9 are arranged between the plurality of lattice slots 8, and the end portions of the plurality of reflecting edges 9 away from one end of the lattice slot 8 are both provided with reflecting inclined surfaces. The polyurethane foaming glue can be sprayed between the inner lattice pad 5, the upper lattice pad 4 and the lower lattice pad 6, two foamed sound insulation layers 7 are formed by polyurethane foaming, and the three-layer lattice interlaced lattice boards can greatly improve the adhesion area and the connection strength between the foamed sound insulation layer and the board. The reflecting edges 9 between the lattice slots 8 can be interlaced by the lattice slots 8 between the adjacent lattice boards. In the case that the number of the reflecting edges 9 remains unchanged, the reflecting path of the sound wave is greatly increased, the sound wave is scattered in multiple layers, the sound wave consumption capacity is improved, and the sound insulation effect is enhanced.

[0027] The inner lattice pad 5 is provided with a connecting through hole 13 at the center of the plurality of lattice slots 8, the two foamed sound insulation layers 7 are connected to each other through the plurality of connecting through holes 13 penetrating the inner lattice pad 5, and the crosslinked structure is formed by the interlaced lattice boards, so as to improve the connection strength between the layers of the sound insulation layer. The two surfaces of the inner lattice pad 5 are both provided with limiting feet 10 at the four corners, the upper lattice pad 4 and the lower lattice pad 6 are both provided with limiting grooves 11 corresponding to the limiting feet 10 at the four corners of the surface close to the inner lattice pad 5, and the plurality of limiting feet 10 are both formed by the perpendicular connection of two right-angle trapezoidal plates. The limiting feet 10 are used for aligning the lattice boards, and the polyurethane foaming glue is filled conveniently.

[0028] Working principle: the utility model discloses when using, can be between the space of inner square mat 5 and upper square mat 4 and lower square mat 6 spray polyurethane foaming glue, form two layers of foaming sound-absorbing layer 7 through polyurethane foaming, cooperate three layers of square grid interlaced square grid board, can greatly improve the adhesion area, improve the connecting strength between foaming sound-absorbing layer and board material, the reflection edge 9 between square groove 8, can make the reflection edge 9 number unchanged condition, greatly increase the reflection path of sound wave, carry out multilayer scattering to sound wave, improve the consumption ability to sound wave, strengthen the sound insulation effect, and the phase change heat-insulating layer 3 in upper base layer 1, can utilize the phase change process of phase change material from solid to liquid or from liquid to solid, absorb or release a large amount of latent heat, maintain indoor temperature balance, prolong the time of temperature change, increase the effect of dynamic temperature insulation.

[0029] The utility model has been described in detail in the above in connection with the drawings, but the utility model is not limited to the above embodiment, within the knowledge scope of ordinary skill in the art, various changes can be made without departing from the utility model's purpose.

Claims

1. A SPC floor with sound insulation effect, comprising an upper base layer (1), characterized in that: The lower inner side of the upper base layer (1) is provided with a hollow groove (2), the upper inner side of the hollow groove (2) is provided with a phase change heat preservation layer (3), the lower inner side of the hollow groove (2) is provided with an upper lattice pad (4), a connecting layer (12) is arranged between the upper lattice pad (4) and the phase change heat preservation layer (3), the side of the upper lattice pad (4) away from the phase change heat preservation layer (3) is provided with an inner lattice pad (5), the side of the inner lattice pad (5) away from the upper lattice pad (4) is provided with a lower lattice pad (6), the inner lattice pad (5) is provided with a foamed sound insulation layer (7) between the upper lattice pad (4) and the lower lattice pad (6), the two surfaces of the inner lattice pad (5), the upper lattice pad (4) and the lower lattice pad (6) are arrayed with a plurality of lattice grooves (8), the plurality of lattice grooves (8) of the inner lattice pad (5) and the lattice grooves (8) of the upper lattice pad (4) and the lower lattice pad (6) are arranged in a staggered manner, a plurality of reflecting edges (9) are arranged between the plurality of lattice grooves (8), the inner lattice pad (5) is provided with a connecting through hole (13) at the center of the plurality of lattice grooves (8), the two surfaces of the inner lattice pad (5) are provided with a limiting support leg (10) at the four corners, and the side of the upper lattice pad (4) and the lower lattice pad (6) close to the inner lattice pad (5) is provided with a limiting groove (11) corresponding to the limiting support leg (10) at the four corners.

2. The SPC floor with sound insulation effect according to claim 1, characterized in that, The two foamed sound insulation layers (7) and the connecting layer (12) are foamed polyurethane layers.

3. The SPC floor with sound insulation effect according to claim 1, characterized in that, The two foamed sound insulation layers (7) are connected to each other through the plurality of connecting through holes (13) penetrating the inner lattice pad (5).

4. The SPC floor with sound insulation effect according to claim 1, characterized in that, The phase change heat preservation layer (3) is a PCM constant temperature plate for existing buildings.

5. The SPC floor with sound insulation effect according to claim 1, characterized in that, The upper base layer (1), the inner lattice pad (5), the upper lattice pad (4) and the lower lattice pad (6) are SPC plates.

6. The SPC floor with sound insulation effect according to claim 1, characterized in that, The plurality of reflecting edges (9) are provided with reflecting inclined surfaces on both sides of the end of the groove body away from the end of the lattice groove (8).

7. The SPC floor with sound insulation effect according to claim 1, characterized in that, The plurality of limiting support legs (10) are formed by perpendicularly connecting two right-angle trapezoidal plates at right-angle edges.