CN215714379U

CN215714379U - Playground track

Info

Publication number: CN215714379U
Application number: CN202121977909.4U
Authority: CN
Inventors: 章国辉
Original assignee: Dongguan Huati Sports Facilities Co ltd
Current assignee: Dongguan Huati Sports Facilities Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-01
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a playground track, which comprises a concrete base layer, a waterproof bottom coating, a graded gravel layer, a coarse sand leveling layer, a connecting net rack, a buffer layer, a polyurea reinforcing layer and a self-texturing surface layer, wherein the waterproof bottom coating is connected to the upper surface of the concrete base layer, the graded gravel layer is laid on the upper surface of the waterproof bottom coating, the coarse sand leveling layer is laid on the upper surface of the graded gravel layer, the buffer layer is positioned on the upper surface of the coarse sand leveling layer, the connecting net rack is arranged in the coarse sand leveling layer, the graded gravel layer and the waterproof bottom coating in a penetrating mode, the bottom of the connecting net rack is connected with the upper surface of the concrete base layer, the top of the connecting net rack is connected with the bottom surface of the buffer layer, the buffer layer comprises an upper micro-foaming reinforcing layer and a lower elastic layer, the polyurea is connected to the upper surface of the buffer layer, and the self-texturing surface layer is connected to the surface of the polyurea reinforcing layer. The utility model has double-layer buffer structure, good elasticity and impact absorption, and the coarse sand leveling layer and the graded broken stone layer can quickly seep water to avoid water accumulation on the runway.

Description

Playground track

Technical Field

The utility model relates to the technical field of self-knotting tracks, in particular to a sports ground track.

Background

The self-knotting grain plastic track is a novel grain-free track. The self-graining process is special polyurethane pure mucilage, and polyurethane copolymer formed by chemical reaction automatically produces uneven and uniform grains under the surface-graining state to reach certain friction coefficient and meet the indexes of wet skid resistance and the like. The self-grain-forming plastic track is popular with the engineers and users all over the country, and has the advantages of wear resistance, attractive appearance, no grain falling and the like. However, the existing self-grained plastic track has the problems of insufficient elasticity and easy water accumulation.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to overcome the above-mentioned drawbacks of the prior art and to provide a sports track.

In order to achieve the purpose, the utility model provides a playground track, which comprises a concrete base layer, a waterproof bottom coating, a graded gravel layer, a coarse sand leveling layer, a connecting net rack with a T-shaped cross section, a buffer layer, a polyurea reinforcing layer and a self-textured surface layer, wherein the waterproof bottom coating is connected to the upper surface of the concrete base layer, the graded gravel layer is laid on the upper surface of the waterproof bottom coating, the coarse sand leveling layer is laid on the upper surface of the graded gravel layer, the buffer layer is positioned on the upper surface of the coarse sand leveling layer, the connecting net rack is arranged in the coarse sand leveling layer, the graded gravel layer and the waterproof bottom coating in a penetrating way, the bottom of the connecting net rack is connected with the upper surface of the concrete base layer, the top of the connecting net rack is connected with the bottom surface of the buffer layer, the buffer layer comprises an upper micro-foaming elastic layer and a lower elastic layer, and the lower elastic layer comprises elastic particles and an adhesive, the elastic particles are mutually bonded through an adhesive, a plurality of water seepage holes are formed in the lower elastic layer, the polyurea reinforcing layer is connected to the upper surface of the buffer layer, and the self-texturing surface layer is connected to the surface of the polyurea reinforcing layer.

In a preferred embodiment, the waterproof primer layer is formed by coating an acrylic waterproof coating.

As a preferred embodiment, the thickness of the polyurea reinforcing layer is 10 to 20 mm.

As a preferred embodiment, the elastic particles are provided as EPDM particles, SBR plastic particles or ETPU popcorn particles.

In a preferred embodiment, a scribing layer is further arranged on the surface of the self-texturing surface layer.

In a preferred embodiment, the scribe line layer is coated with polyurethane scribe paint having elasticity.

Compared with the prior art, the utility model has the beneficial effects that:

the track has the advantages that the track is simple and novel in structure and reasonable in design, the micro-foaming elastic layer and the lower elastic layer comprising the elastic particles and the adhesive are arranged, the track has a double-layer buffering structure, the elasticity is good, the impact absorption is good, the impact force of a track to ankle joints and knee joints when a player runs can be properly absorbed, the sport injury is reduced, the coarse sand leveling layer and the graded broken stone layer can rapidly seep water, and the track is prevented from being accumulated with water.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a sports track according to an embodiment of the present invention;

fig. 2 is a partially enlarged view of a buffer portion of a sports track according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, an embodiment of the present invention provides a playground track, which includes a concrete base layer 1, a waterproof primer layer 2, a graded gravel layer 3, a coarse sand leveling layer 4, a connecting net frame 5 having a T-shaped cross-section, a buffer layer 6, a polyurea reinforcing layer 7, and a self-textured surface layer 8, and the structure and operation of each component will be described below.

The waterproof primer layer 2 is attached to the upper surface of the concrete base layer 1.

Preferably, the waterproof primer layer 2 may be formed by coating an acrylic waterproof coating.

Graded gravel layer 3 lays in the upper surface of waterproof under coat 2, the upper surface of graded gravel layer 3 is laid to coarse sand screed-coat 4, buffer layer 6 is located the upper surface of coarse sand screed-coat 4, connect rack 5 and wear to locate coarse sand screed-coat 4, graded gravel layer 3 and waterproof under coat 2 in, the bottom of connecting rack 5 is connected with concrete-based layer 1's upper surface, the top of connecting rack 5 is connected with buffer layer 6's bottom surface, buffer layer 6 includes microfoaming elastic layer 61 and elastic layer 62 down, elastic layer 62 includes elastic particle 621 and gluing agent 622 down, elastic particle 621 bonds each other through gluing agent 622, a plurality of infiltration hole 623 has been seted up on the elastic layer 62 down.

In specific implementation, the elastic particles 621 may be EPDM particles, SBR plastic particles, or ETPU popcorn particles.

Polyurea reinforced layer 7 is connected on the upper surface of buffer layer 6, connects on polyurea reinforced layer 7's surface from tie coat layer 8.

Specifically, the thickness of the polyurea reinforcing layer 7 may be set to 10 to 20 mm.

In this embodiment, a scribing layer 81 may be further disposed on the surface of the self-texturing surface layer 8, and the scribing layer 81 may be formed by coating polyurethane scribing varnish having elasticity.

In conclusion, the track has the advantages that the track is simple and novel in structure and reasonable in design, the micro-foaming elastic layer and the lower elastic layer comprising the elastic particles and the adhesive are arranged, the track has a double-layer buffering structure, the elasticity is good, the impact absorption is good, the impact force of the track on ankle joints and knee joints when an athlete runs can be properly absorbed, the sports injury is reduced, the coarse sand leveling layer and the graded broken stone layer can rapidly seep water, and the track is prevented from seeping water.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims

1. A playground track, comprising: comprises a concrete base layer (1), a waterproof bottom coating (2), a graded gravel layer (3), a coarse sand leveling layer (4), a connecting net rack (5) with a T-shaped cross section, a buffer layer (6), a polyurea reinforcing layer (7) and a self-grained surface layer (8), wherein the waterproof bottom coating (2) is connected with the upper surface of the concrete base layer (1), the graded gravel layer (3) is laid on the upper surface of the waterproof bottom coating (2), the coarse sand leveling layer (4) is laid on the upper surface of the graded gravel layer (3), the buffer layer (6) is positioned on the upper surface of the coarse sand leveling layer (4), the connecting net rack (5) is arranged in the coarse sand leveling layer (4), the graded gravel layer (3) and the waterproof bottom coating (2), the bottom of the connecting net rack (5) is connected with the upper surface of the concrete base layer (1), and the top of the connecting net rack (5) is connected with the bottom surface of the buffer layer (6), buffer layer (6) are including foaming elastic layer (61) and lower elastic layer (62) a little, elastic layer (62) are including elasticity granule (621) and gluing agent (622) down, elasticity granule (621) are through gluing agent (622) mutual adhesion, a plurality of infiltration hole (623) have been seted up down on elastic layer (62), polyurea enhancement layer (7) are connected in the upper surface of buffer layer (6), connect on the surface of polyurea enhancement layer (7) from texturing surface layer (8).

2. A sports track according to claim 1, wherein: the waterproof bottom coating (2) is formed by coating acrylic waterproof paint.

3. A sports track according to claim 1, wherein: the thickness of the polyurea reinforced layer (7) is 10-20 mm.

4. A sports track according to claim 1, wherein: the elastic particles (621) are set to be EPDM particles, SBR plastic particles or ETPU popcorn particles.

5. A sports track according to claim 1, wherein: and a scribing layer (81) is also arranged on the surface of the self-texturing surface layer (8).

6. A sports track according to claim 5, wherein: the scribing layer (81) is formed by coating elastic polyurethane scribing paint.