CN212000461U - Synthetic sports surface layer with excellent buffer performance - Google Patents
Synthetic sports surface layer with excellent buffer performance Download PDFInfo
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- CN212000461U CN212000461U CN201922321216.9U CN201922321216U CN212000461U CN 212000461 U CN212000461 U CN 212000461U CN 201922321216 U CN201922321216 U CN 201922321216U CN 212000461 U CN212000461 U CN 212000461U
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Abstract
The present invention relates to a synthetic material playground floor, and more particularly to a synthetic material playground floor having excellent cushioning properties. The synthetic material playground surface layer with excellent buffering performance comprises a buffer layer, a reinforcing sealing layer and an elastic supporting layer, wherein the buffer layer is formed by mixing and paving a polyurethane adhesive, ETPU particles and EPDM particles; the buffer layer top is equipped with the enhancement sealing layer, and the top of strengthening the sealing layer is equipped with the elastic support layer. Synthetic material stadium surface course that shock-absorbing capacity is excellent, design scientific and reasonable, simple structure has excellent buffering barrier propterty, lets the motion more comfortable, lets the health more comfortable, can be used to laying in track and field competition, children's amusement park, all kinds of court.
Description
Technical Field
The present invention relates to a synthetic material playground floor, and more particularly to a synthetic material playground floor having excellent cushioning properties.
Background
The traditional synthetic material sports ground surface material basically takes products such as plastic lattice floors, pure EPDM (ethylene-propylene-diene monomer) paving, straight and curved mixed woven artificial lawns, PVC sports floors and the like as main materials, the buffering of the products is slightly different, children cannot be well protected in the actual use process, and the products are easy to be injured when falling down in the movement.
SUMMERY OF THE UTILITY MODEL
According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: the synthetic material playground surface layer with excellent buffering performance is scientific and reasonable in design, simple in structure, has excellent buffering and protecting performance, is more comfortable in sports and comfortable in body, and can be used for paving track and field competition fields, amusement parks for children and various playgrounds.
The utility model provides a technical scheme that its technical problem adopted is:
the synthetic material playground surface layer with excellent buffering performance comprises a buffering layer, a reinforcing sealing layer and an elastic supporting layer, wherein the buffering layer is formed by mixing and paving a polyurethane adhesive, ETPU particles and EPDM particles; the buffer layer top is equipped with the enhancement sealing layer, and the top of strengthening the sealing layer is equipped with the elastic support layer.
Preferably, the ETPU particles have a particle size of 3 to 5mm and a density of 0.15 to 0.25g/cm3。
Preferably, the EPDM particles have a gum content of 20 to 25 wt% and a particle size of 0.5 to 1.5 mm.
Preferably, the thickness of the buffer layer is 6-8 mm.
Preferably, the polyurethane adhesive in the buffer layer is a one-component polyurethane adhesive, and more preferably, a non-yellowing aliphatic polyurethane adhesive or an aqueous polyurethane adhesive.
Preferably, the reinforcing seal layer is obtained by scraping the two-component polyurethane sealing material to a thickness of 0.5-1.0 mm.
Preferably, the elastic supporting layer is formed by paving a coloring bi-component high-strength silicon PU material, and the thickness is 3-5 mm.
The utility model provides a buffer layer seals fixedly, strengthens through strengthening the sealing layer to carry out effectual bonding with the top layer.
The ground foundation of the buffer layer of the synthetic material playground surface layer can be a cement concrete foundation or an asphalt foundation, when in construction, the cement foundation needs to be firstly coated with a layer of polyurethane adhesive in a rolling way, and the asphalt foundation is firstly coated with a layer of bi-component polyurethane slurry in a flat scraping way and is used for bonding the buffer layer and the ground foundation.
The materials designed in the present invention are well known to those skilled in the art.
The utility model discloses the beneficial effect who has is:
the utility model has the advantages of simple structure, reasonable in design, through polyurethane adhesive and high buffering polyurethane foaming TPU (ETPU) granule, EPDM (ethylene propylene diene monomer rubber) granule mixes and paves into the buffer layer, the ETPU granule occupies the big space in the buffer layer, EPDM granule and polyurethane adhesive occupy little space, effectively integrate the advantage of two kinds of granules, and adopt the multilayer design, be applied to the plastic field with novel macromolecular material TPU expanded material, combine TPU's characteristic and the advantage of foam, it is big to have compensatied traditional EPDM granule weight, the hardness is high, the shortcoming that the damping performance is poor, it is more comfortable to let the motion, let the health more comfortable, can be used to the track and field competition, children's amusement park, the laying in all kinds of court.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a buffer layer; 2. reinforcing the sealing layer; 3. a resilient support layer; 4. ETPU particles; 5. EPDM particles and polyurethane binder.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings:
example 1
As shown in fig. 1, the synthetic material sports ground surface layer with excellent buffering performance comprises a buffering layer 1, a reinforcing sealing layer 2 and an elastic supporting layer 3, wherein the buffering layer 1 is formed by mixing and paving a polyurethane adhesive, ETPU particles 4 and EPDM particles; the buffer layer 1 is provided with a reinforced sealing layer 2, and the reinforced sealing layer 2 is provided with an elastic supporting layer 3.
The particle diameter of the ETPU particles 4 is 3mm, and the density is 0.15g/cm3。
The EPDM particles had a gum content of 20 wt% and a particle size of 0.5 mm.
The thickness of the buffer layer 1 is 6 mm.
The polyurethane adhesive in the buffer layer 1 is an aliphatic polyurethane adhesive which is not yellowed.
The reinforcing sealing layer 2 is obtained by scraping two-component polyurethane sealing material, and the thickness is 0.5 mm.
The elastic supporting layer 3 is formed by paving a coloring bi-component high-strength silicon PU material, and the thickness is 3 mm.
Taking asphalt ground as an example, the construction process is as follows:
firstly, a layer of bi-component polyurethane slurry is flatly scraped for bonding the buffer layer 1 and the ground foundation; then uniformly mixing and paving the polyurethane adhesive, the ETPU particles 4 and the EPDM particles to form a buffer layer 1, wherein the mass ratio of the polyurethane adhesive to the ETPU particles to the EPDM particles is 2:1: 7; before the gel of the buffer layer 1 is not cured, the bi-component polyurethane sealing material is poured on the surface of the buffer layer 1 and scraped to form a reinforced sealing layer 2, and then the coloring bi-component high-strength silicon PU material is spread on the reinforced sealing layer 2 and cured to form an elastic supporting layer 3.
Example 2
As shown in fig. 1, the sports field surface layer made of the synthetic material with excellent cushioning performance has the same structure as that of example 1 except that:
the particle diameter of the ETPU particles 4 is 5mm, and the density is 0.25g/cm3。
The EPDM particles had a gum content of 25 wt% and a particle size of 1.5 mm.
The thickness of the buffer layer 1 is 8 mm.
The polyurethane adhesive in the buffer layer 1 is water-based polyurethane adhesive.
The reinforced sealing layer 2 is made of bi-component polyurethane sealing material and is 1.0mm thick.
The elastic supporting layer 3 is formed by paving a coloring bi-component high-strength silicon PU material, and the thickness is 5 mm.
Taking a cement base as an example:
firstly, rolling and coating a layer of polyurethane adhesive on a cement foundation for bonding the buffer layer 1 and the ground foundation; then uniformly mixing and paving the polyurethane adhesive, the ETPU particles 4 and the EPDM particles to form a buffer layer 1, wherein the mass ratio of the polyurethane adhesive to the ETPU particles to the EPDM particles is 3:2: 9; before the gel of the buffer layer 1 is not cured, the bi-component polyurethane sealing material is poured on the surface of the buffer layer 1 and scraped to form a reinforced sealing layer 2, and then the coloring bi-component high-strength silicon PU material is spread on the reinforced sealing layer 2 and cured to form an elastic supporting layer 3.
Claims (8)
1. A synthetic sports surface layer with excellent cushioning properties, characterized in that: the composite material comprises a buffer layer (1), a reinforcing sealing layer (2) and an elastic supporting layer (3), wherein the buffer layer (1) is formed by mixing and paving a polyurethane adhesive, ETPU particles and EPDM particles; the upper part of the buffer layer (1) is provided with a reinforced sealing layer (2), and the upper part of the reinforced sealing layer (2) is provided with an elastic supporting layer (3).
2. A synthetic sports surface according to claim 1 having excellent damping properties, wherein: the particle diameter of the ETPU particles (4) is 3-5mm, and the density is 0.15-0.25g/cm3。
3. A synthetic sports surface according to claim 1 having excellent damping properties, wherein: the EPDM pellets have a gum content of 20 to 25 wt% and a particle size of 0.5 to 1.5 mm.
4. A synthetic sports surface according to claim 1 having excellent damping properties, wherein: the thickness of the buffer layer (1) is 6-8 mm.
5. A synthetic sports surface according to claim 1 having excellent damping properties, wherein: the reinforcing sealing layer (2) is obtained by scraping two-component polyurethane sealing material.
6. A synthetic sports surface according to claim 1 having excellent damping properties, wherein: the thickness of the reinforcing sealing layer (2) is 0.5-1.0 mm.
7. A synthetic sports surface according to claim 1 having excellent damping properties, wherein: the elastic supporting layer (3) is formed by paving a bi-component high-strength silicon PU material.
8. A synthetic sports surface according to claim 1 having excellent damping properties, wherein: the thickness of the elastic supporting layer (3) is 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321216.9U CN212000461U (en) | 2019-12-20 | 2019-12-20 | Synthetic sports surface layer with excellent buffer performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321216.9U CN212000461U (en) | 2019-12-20 | 2019-12-20 | Synthetic sports surface layer with excellent buffer performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212000461U true CN212000461U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922321216.9U Active CN212000461U (en) | 2019-12-20 | 2019-12-20 | Synthetic sports surface layer with excellent buffer performance |
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| CN (1) | CN212000461U (en) |
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2019
- 2019-12-20 CN CN201922321216.9U patent/CN212000461U/en active Active
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