Silicon PU court with good shock attenuation performance

Abstract

The utility model relates to a kind of good silicon PU court of shock absorbing performance, and the impact absorption rate of the silicon PU court is not less than 65%;The silicon PU court includes shock attenuation layer;The shock attenuation layer includes support body and filling body;Several The support body is arranged in series or spacedly;The inside of the support body and / or between several The support body is hollow to form filling space;The filling space is filled with the filling body.

Description

Technical Field

[0001] This utility model relates to the technical field of silicone sports flooring, and more particularly to a silicone sports flooring with good shock absorption performance. Background Technology

[0002] Basketball and badminton players experience significant pressure on their foot joints. To protect athletes, sports court surfaces require strong elasticity and shock absorption. Currently, most basketball and badminton courts are paved with elastic rubber materials to improve performance and comfort. Appropriate elasticity and shock absorption can reduce the burden on athletes' feet and joints. Due to the increasing demands for improved shock absorption and elasticity for athlete protection, this application provides an improved silicone PU (silicone PU) court surface to meet these high-performance requirements. Utility Model Content

[0003] The purpose of this invention is to provide a high-shock-absorbing silicone PU sports floor, which has the advantages of good elasticity, excellent cushioning effect, and good shock absorption.

[0004] The technical solution adopted in this utility model is:

[0005] A silicone PU (SPU) sports court with good shock absorption performance, wherein the impact absorption rate of the SPU sports court is not less than 65%; the SPU sports court includes a shock-absorbing layer; the shock-absorbing layer includes a support body and a filler body; a plurality of the support bodies are arranged in a connected or spaced manner; the interior of the support body and / or the space between the support bodies are hollowed out to form a filling space; the filling space is filled with the filler body.

[0006] Preferably, the support is a carbon nanotube thermoplastic polyurethane column; and the shape of the support is one or more of the following: cylinder, cone, regular polygonal column, and irregular polygonal column.

[0007] Preferably, the tensile strength of the support is not less than 30 MPa; the fracture strain of the support is not less than 400%.

[0008] Preferably, the filler is a foamed polyurethane body.

[0009] Preferably, one part of the filler fills the filling space, and the other part covers the upper surface of the support or wraps around the upper and lower surfaces of the support.

[0010] Preferably, the volume ratio of the support and the filler in the damping layer is not less than 1:2.

[0011] In this design, the damping layer structure has strong impact absorption capacity and good rebound performance, and the support body can be regarded as a skeleton with strong support and anti-deformation function.

[0012] Furthermore, the silicone PU court also includes an elastic layer disposed above the shock-absorbing layer.

[0013] The elastic layer can be a high-elasticity silicone PU pad composited with nano-aerogel, a high-elasticity silicone PU pad mixed with EDPM particles, or other materials. Preferably, a high-elasticity silicone PU pad composited with nano-aerogel is used.

[0014] Preferably, the elastic coefficient of the elastic layer is not less than 25 N / mm. 2 .

[0015] Furthermore, the silicone PU court also includes an anti-slip layer; the anti-slip layer is disposed above the elastic layer and has the functions of anti-slip and wear-resistant, as well as protecting the elastic layer and the shock-absorbing layer.

[0016] Preferably, the anti-slip layer is an epoxy resin layer.

[0017] Furthermore, a primer layer is provided below the shock-absorbing layer. The primer layer can be any primer material used in conventional sports fields, used to waterproof and seal the micropores of the cement floor. It is generally applied to the cement floor in advance before construction.

[0018] The silicone PU court provided by this invention has excellent shock absorption performance, with high shock absorption and rebound performance, and provides good protection for athletes' ankles, knees and other joints. Attached Figure Description

[0019] Figure 1 This is a longitudinal section structural diagram of Example 1; the section of the damping layer marked as 1 in the diagram corresponds to... Figure 2 AA direction.

[0020] Figure 2 This is a cross-sectional view of the damping layer in Example 1.

[0021] Figure 3 This is a longitudinal section structural diagram of Example 2; the section of the damping layer marked as 1 in the diagram corresponds to... Figure 4 The direction of BB.

[0022] Figure 4 This is a cross-sectional view of the damping layer in Example 2.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1-Damping layer; 11-Support body; 11′-Support body; 12-Filling body; 2-Elastic layer; 3-Anti-slip layer. Detailed Implementation

[0025] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0026] Example 1

[0027] like Figure 1 and Figure 2 An embodiment of a high-performance silicone PU sports court with good shock absorption includes, from bottom to top, a shock-absorbing layer 1, an elastic layer 2, and an anti-slip layer 3. The shock-absorbing layer 1 comprises several supports 11 and an integrally molded filler 12. The supports 1 are carbon nanotube thermoplastic polyurethane columns, each support 11 being a hollow hexagonal prism shape. Several supports 11 are arranged in pairs to form a honeycomb-like cross-section. The hollow portions of the supports 11 and the top of each support 11 together form the filling space of the shock-absorbing layer 1. The filler 12 is foamed polyurethane, which is fully filled into the filling space through a shaping and foaming process. The elastic layer 2 uses a highly elastic silicone PU pad composited with nano-aerogel. The anti-slip layer 3 is an epoxy resin layer.

[0028] In this embodiment, the thickness ratio of each layer is 3:1.5:1, where the shock-absorbing layer 1 is the elastic layer 2 and the anti-slip layer 3. The volume ratio of the support 11 to the filler 12 in the shock-absorbing layer 1 is approximately 1:2. The overall impact absorption rate of the silicone PU court in this embodiment reaches 65%.

[0029] Example 2

[0030] like Figure 3 and Figure 4 Another embodiment of the silicone PU court with good shock absorption performance includes, from bottom to top, a shock-absorbing layer 1, an elastic layer 2, and an anti-slip layer 3.

[0031] The difference between this embodiment and Embodiment 1 is that the support 11′ in the damping layer 1 is a solid, triangular, flower-shaped column, and several support 11s are arranged alternately or staggered. The spaces between the support 11s, above the top of the support 11s, and below the bottom of the support 11s together form the filling space of the damping layer 1. The filler 12 is fully filled into the filling space through shaping and foaming. The volume ratio of the support 11s to the filler 12 in the damping layer 1 is approximately 1:1. The overall impact absorption rate of the silicone PU court in this embodiment reaches 68%.

[0032] In this embodiment, the materials used for each layer and the thickness ratio of each layer are the same as in Embodiment 1.

[0033] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. For those skilled in the art, this utility model can have various modifications, combinations, and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A silicone PU sports court with good shock absorption performance, characterized in that: The impact absorption rate of the silicone PU court is not less than 65%; the silicone PU court includes a shock-absorbing layer; the shock-absorbing layer includes a support body and a filler body; several of the support bodies are arranged in a connected or spaced manner; the interior of the support body and / or the spaces between several of the support bodies are hollowed out to form a filling space; the filling space is filled with the filler body.

2. The silicone PU court with good shock absorption performance as described in claim 1, characterized in that: The support is a carbon nanotube thermoplastic polyurethane column; and the shape of the support is one or more of the following: cylinder, cone, regular polygonal column, and irregular polygonal column.

3. A silicone PU court with good shock absorption performance as described in claim 1, characterized in that: The tensile strength of the support body shall not be less than 30 MPa.

4. A silicone PU court with good shock absorption performance as described in claim 1, characterized in that: The fracture strain of the support is not less than 400%.

5. A silicone PU court with good shock absorption performance as described in claim 1, characterized in that: The filler is a foamed polyurethane body.

6. A silicone PU court with good shock absorption performance as described in claim 5, characterized in that: One part of the filler fills the filling space, and the other part covers the upper surface of the support or wraps around the upper and lower surfaces of the support.

7. A silicone PU court with good shock absorption performance as described in claim 1, characterized in that: The silicone PU court also includes an elastic layer, which is disposed above the shock-absorbing layer; the elastic coefficient of the elastic layer is not less than 25 N / mm. 2 .

8. A silicone PU court with good shock absorption performance as described in claim 7, characterized in that: The elastic layer is a highly elastic silicone PU pad composited with nano-aerogel.

9. A silicone PU court with good shock absorption performance as described in claim 7, characterized in that: The silicone PU court also includes an anti-slip layer; the anti-slip layer is disposed above the elastic layer and has the functions of anti-slip and wear-resistant, as well as protecting the elastic layer and the shock-absorbing layer.

10. A silicone PU court with good shock absorption performance as described in claim 9, characterized in that: The anti-slip layer is an epoxy resin layer.

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