KR101959823B1 - Mat for protecting lawn grass - Google Patents

Abstract

The present invention relates to a lawn protection mat having a wave structure to provide shock absorption and buffering functions, capable of providing an anti-slip function. According to the present invention, the lawn protection mat having a wave structure comprises a rectangular base frame disposed at an edge, and a lawn planting space part connected to and integrated with the inner part of the base frame, and having a grid arrangement structure, wherein a lawn passing space is formed therein.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a grass protection mat which provides a shock absorbing and shock-

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a lawn protection mat for providing a shock absorbing and shock absorbing function by forming a wave structure, and more particularly, The present invention relates to a grass protection mat capable of exhibiting a cushioning function and having a slip prevention function.

Generally, grasses grown in a grass growing area such as a golf course, a park, a lawn square, a grass field, a school, a lawn recording space, a soft ground, a walking path, etc. are susceptible to damage due to continuous stepping by a large number of users and vehicles, The cost of renovation is considerable.

Recently, a grass protection mat is laid out to protect the lawn from being damaged due to frequent passage of a large number of users and vehicles.

As described above, the conventional grass protection mat, which is installed in the grass growing area and used for protecting the lawn, is provided with a body part in which most of the lawn passage space is formed and a lower part provided under the body part to support and buffer the load applied to the body part. And a cushioning member having an elastic force.

However, the conventional lawn mats have problems in that they are not durably deformed as they are twisted or deformed as well as surface cracks and cracks, and sometimes are easily broken and cut.

In addition, the conventional lawnmower protection mat is continuously stepped on due to the movement of a large number of users and vehicles on the lawn planted ground. However, due to the disadvantages such as poor shock absorption and elastic recovery, There is a problem that it is hardly deformed to affect the growth of the grass and the rest of the parts other than the stepped part are lifted up by the external force frequently,

On the other hand, in the prior art documents related to the lawn protection mat in the past, a number of grass protection mats are proposed and disclosed in Korean Patent No. 10-1793875, No. 10-1884877, No. 10-1769737, and the like.

Korean Patent Registration No. 10-1793875 Korean Patent Registration No. 10-1884877 Korean Patent Publication No. 10-1769737

SUMMARY OF THE INVENTION It is an object of the present invention to provide a grass protection mat having a wave structure in which mountains and valleys are continuously repeated over the entire area of the mat.

The present invention can provide a damping function, a shock absorbing function and a shock absorbing function, a slip prevention function, and a grass protection There is a purpose of providing mat.

The present invention improves the elastic recovery of the stepped portion due to an external force and improves the problem that the soft ground is hardly deformed due to compaction of the ground to affect the growth of the grass, The present invention provides a grass protection mat for improving the above-mentioned lifting phenomenon.

According to another aspect of the present invention, there is provided a grass protection mat comprising: a square frame base frame positioned at an edge; And a grass vegetation space part connected to the inside of the base frame frame and integrally formed therein and having a grid arrangement structure and having a grass passing space inside the grass frame vegetation space part, Is formed in a continuously repeating wave structure.

Here, the base frame frame may include a first base frame frame positioned on the upper side and a second base frame frame positioned on the lower side of the first base frame frame; The grass vegetation space portion includes an upper connecting member connected to an upper surface of the first base frame frame and formed in a wave structure so as to have a grid arrangement structure and a lower connecting member connected to a lower surface of the second base frame frame, And a lower connecting member formed in an array and a wave structure such that the upper connecting member and the lower connecting member are spaced apart from each other with a space between the upper connecting member and the lower connecting member, And may be configured to form a passage space.

Here, the upper connecting member and the lower connecting member may be configured to form a grid array structure through a straight grid array or a quadrangular grid array.

Here, between the upper connecting member and the lower connecting member, the upper connecting member and the lower connecting member are positioned on the lattice points or between the lattice points and the lattice points to elastically support the upper connecting member and the lower connecting member, An elastic body made of an elastic material.

Here, each of the base frame frame and the grass vegetation space has a non-slip layer formed on the upper surface thereof; The anti-slip layer may be formed of at least one selected from the group consisting of acrylonitrile butadiene rubber (NBR), ethylene propylene rubber (EPDM), styrene butadiene rubber (SBR), nitrile rubber, butyl rubber, butadiene rubber, Epoxy composite, or by immersion treatment.

Here, the lower surface of the grass vegetation space has a lower opening part having a lower opening structure at regular intervals, and a buffer block inserted and fixedly inserted into the lower opening part to exhibit a buffering function, It can be configured to enable the replacement of blocks.

Here, in the buffer block, the elastic spring can be inserted and arranged so as to exert an elastic force in the vertical direction.

According to the present invention, since the mountain and the valley are continuously formed repeatedly over the entire area of the mat to form a wave structure, it is possible to exhibit durability while exhibiting shock absorbing and buffering functions and having a function of preventing slippage, It is possible to provide a grass protection mat that enables stable arrangement and use in response to ground bending when curvature is formed.

The present invention is capable of restoring the original arrangement state due to the rapid elastic restoration of the stepped portion when releasing the external force applied on the lawn protection mat and hardening the soft ground by the compaction, It is possible to improve the problem and to improve the phenomenon that the remaining portion other than the portion pressed by the external force is lifted up.

1 is a perspective view illustrating a grass protection mat according to an embodiment of the present invention.
2 is a side view of a grass protection mat according to an embodiment of the present invention.
3 is a schematic illustration showing a buffer block in the present invention.
4 is a schematic illustration showing a lawn protection mat with an anti-slip layer in the present invention.
5 is a perspective view illustrating a grass protection mat according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. The present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.

Hereinafter, the term of the lattice arrangement refers to a divided structure formed by intersecting vertically and horizontally, and will be interpreted as including not only a square lattice but also a hexagonal or a circular lattice shape, and a repetitive pattern arrangement It can be defined by the term indicating.

1 to 5, the grass protection mat 100, which forms a wave structure according to an embodiment of the present invention to provide a shock absorbing and shock absorbing function, includes a square frame base frame 110 positioned at an edge, And a grass vegetation space 120 integrally formed with the inside of the base frame 110 and having a lattice arrangement structure and having a grass passage space 121 therein.

At this time, the grass protection mat (100) is formed in a wave structure in which the mountains and the valleys are continuously repeated over the entire area of the grass frame (110) and the grass vegetation space (120) It is possible to reduce the contact area with the external force exerted on the surface of the base plate 100, thereby ensuring durability, and exhibiting shock absorbing and buffering functions against external forces due to its own elasticity by the wave structure.

In addition, the grass protection mat 100 may have a function of preventing non-slip by providing a non-flat surface through a wave structure and repeating the formation of linear type mountains and valleys.

The base frame frame 110 may include a first base frame frame 111 positioned on the upper side and a second base frame frame 112 positioned on the lower side of the first base frame frame 111.

The grass vegetation space part 120 includes an upper connection member 120a connected to the upper surface of the first base frame frame 111 and formed in a wave structure and having a grid arrangement structure, And a lower connecting member 120b connected to the lower surface of the lower connecting member 120 and having a grid arrangement structure similar to that of the upper connecting member 120a.

At this time, in the grass vegetation space 120, the upper connecting member 120a and the lower connecting member 120b are vertically positioned and spaced apart, and a double turf passing space 121 is vertically arranged on the grid array As shown in FIG.

The upper connecting member 120a and the lower connecting member 120b have a lattice arrangement structure through a linear lattice arrangement or a quadrangular lattice arrangement and form a grass passing space 121 on the grass vegetation space 120 Can be configured.

The upper linking member 120a and the lower linking member 120b are positioned on the lattice points or between the lattice points and the lattice points to elastically support the upper linking member and the lower linking member, And an elastic body 130 that is fixedly disposed so as to have a shape.

In some cases, the elastic body 130 may be interposed between the first base frame frame 111 and the second base frame frame 112, if necessary.

At this time, the elastic body 130 may be an elastic spring, and may be covered with any one selected from a synthetic resin material, a rubber material, and a fabric material so as to protect the grass while allowing an elastic action by expansion and contraction in the vertical direction .

As described above, the elastic function can be doubled in addition to the wave structure by fixing the elastic body 130 with elastic force in the vertical direction between the upper linking member 120a and the lower linking member 120b, It is possible to improve shock absorbing and cushioning functions, while enabling quick elastic recovery of the stepped portion when releasing the external force.

Further, since the elastic body 130 is fixedly disposed, it is possible to prevent the influence of the external force on the portion other than the external force applied portion from being exerted, thereby eliminating the phenomenon that the external portion other than the stepped portion is easily lifted up. The grass protection mat 100 can be stably placed on the curved surface.

The buffer block 140 is provided at a lower surface of the grass vegetation space 120, that is, on the lower surface of the lower connection member 120b so as to be in contact with the ground surface at a predetermined interval so that an external force It can be configured to exhibit shock absorbing and shock absorbing functions.

At this time, the buffer block 140 has lower opening protrusions 150 having a lower opening structure on the lower surface of the grass connecting space 120a, that is, the lower surface of the lower connecting member 120b, It may be configured to be used in a form of being inserted and fixedly inserted into the open protruding portion 150. In such a structure, the buffer block 140 can be replaced.

This makes it possible to provide a structure having a plurality of bodies different in height with respect to the cushion block 140. If the ground on which the lawn protection mat 100 is seated and placed has a large difference in curvature, The buffer block 140 may be fixedly coupled with the buffer block 140. FIG.

In the buffer block 140, the elastic spring 141 can be inserted and arranged so as to exert an elastic force in the up-and-down direction, thereby further improving shock absorbing and buffering functions.

At this time, the buffer block 140 may be formed in the form of a corrugated circular tube so as to have elasticity.

The connecting portions of the annular structure are protruded on the two outer side surfaces adjacent to the first base frame frame side of the base frame frame 110 so that the lawn protecting mat 100 can be connected and used. An annular fixing groove may be formed on the side surface for inserting and fixing the other grass protection mat side connecting portion.

Meanwhile, in the present invention, the grass protection mat (100) is injection-molded into a mixed composition comprising a polypropylene resin, an alpha-olefin-based copolymer modified with maleic anhydride, and a styrenic block copolymer modified with maleic anhydride, The structure including the frame 110, the grass vegetation space 120, and the buffer block 140 can be provided.

The elastic body 130 can be fixedly disposed on the grass vegetation space 120 through an individual operation after the injection molding and can be fixedly placed on the grass vegetation space 120 by injecting inserts through the insert injection system have.

The lawn protection mat (100) is prepared by mixing 5 to 30 parts by weight of an alpha-olefin-based copolymer modified with maleic anhydride on the basis of 100 parts by weight of a polypropylene resin, adding 1 to 25 weight of a styrene block copolymer modified with maleic anhydride And < / RTI >

Here, the polypropylene resin may be any one selected from the group consisting of a polypropylene homopolymer, a polypropylene random copolymer, a polypropylene block copolymer, and a compound of polypropylene and polyethylene.

Here, the polypropylene homopolymer can utilize physical properties excellent in rigidity and chemical resistance, and the polypropylene random copolymer can utilize physical properties having flexibility and durability. The polypropylene block copolymer has impact strength and rigidity It is possible to utilize the excellent physical properties that can withstand external pressure (load).

The alpha-olefin-based copolymer modified with maleic anhydride can utilize the physical properties of impact resistance and flexibility.

The α-olefin-based copolymer modified with maleic anhydride may have a molecular weight of 48,000 to 100,000, a density of 0.9 to 0.925 g / cm 3, a melt index of 10 to 25 g / 10 min, and a maleic anhydride value of 1 to 10 It is preferable to carry out the modification by the grafting reaction by adding weight%.

Here, the alpha olefin-based copolymer may be any one selected from the group consisting of an ethylene-octene copolymer, an ethylene butene copolymer, an ethylene vinyl alcohol copolymer, and an ethylene-vinyl acetate copolymer.

The styrene block copolymer modified with maleic anhydride can utilize physical properties such as friction characteristics, shock absorbability, dimensional stability, UV and ozone resistance, and high temperature and low temperature durability.

Here, the styrene block copolymer modified with maleic anhydride preferably has a molecular weight of 48,000 to 100,000, a density of 0.9 to 0.925 g / cm 3 and a melt index of 10 to 25 g / 10 min to 1 to 5 weight of maleic anhydride % Is added to carry out the modification by the grafting reaction.

Here, the styrenic block copolymer may be at least one selected from the group consisting of styrene-butadiene-styrene (SBS), styrene-ethylene-butadiene-styrene (SEBS), styrene-ethylene-propylene-styrene (SEPS), styrene- SIS). ≪ / RTI >

The grass protection mat (100) may be added with a thermal oxidation inhibitor to prevent thermal oxidation of the resin due to high temperature during injection molding, and may be added in an amount of 1 to 10 parts by weight based on 100 parts by weight of the polypropylene resin have.

Examples of the thermal oxidation inhibitor include tetrakis [methylene-3 (3,5-di-tert-butyl-4-hydroxyphenyl) propionate] methane, octadecyl-3- (3,5- Butyl-4-hydroxyphenyl) propionate, 2,2'-methylenebis (4-methyl-6-thi-butylphenol), 2,6-di- Any one or more groups may be used.

In addition, the anti-slip layer 160 may be formed on the surface of the grass protection mat 100, that is, the upper surface of the base frame 110 and the grass vegetation space 120.

The anti-slip layer 160 may be formed of at least one material selected from the group consisting of acrylonitrile butadiene rubber (NBR), ethylene propylene rubber (EPDM), styrene butadiene rubber (SBR), nitrile rubber, butyl rubber, butadiene rubber, Fluorinated germanium epoxy composite, and the mixture can be formed into a coating or an immersion treatment to provide flame retardancy in addition to the anti-slip function.

The anti-slip layer 160 may contain 10 to 25 parts by weight of a fluorinated germanium epoxy composite per 100 parts by weight of the rubber material.

At this time, the fluorinated germanium epoxy composite is constituted by mixing fluorinated modified germanium modified by fluorination reaction with epoxy for weatherability and adhesiveness.

Here, the anti-slip layer 160 may be added to have a stain resistance and a self-cleaning function by adding a polyalkyl silicate having a structure in which an alkyl group, a methyl group or an ethyl group is substituted for the main chain and the side chain, And 5 to 20 parts by weight based on 100 parts by weight of the resin.

Here, the anti-slip layer 160 may be added with an ultraviolet screening function by adding an ultraviolet screening agent. It is preferable to add 3 to 10 parts by weight to 100 parts by weight of the rubber material, and titanium dioxide, zinc oxide , Homosalate, avobenzene, octylmethoxycinnamate, ethylhexylmethoxycinnamate, oxynosate, octocryl, and oxybenzone may be used.

Accordingly, in the present invention, it is possible to exhibit shock absorbing and buffering functions through the wave structure in which the mountains and the bones are repeatedly formed repeatedly over the entire area of the lawn protection mat 100, to exhibit the anti-slip function, The grass protection mat 100 can be stably arranged and used corresponding to the ground bending, and the soft ground can be firmly deformed by compaction to affect the growth of grass. And it is possible to provide an advantage of being able to improve the phenomenon that the remaining portion other than the portion pressed by the external force is lifted up.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. May be made, which will be within the technical scope of the present invention.

100: grass protection mat 110: base frame frame
111: first base frame frame 112: second base frame frame
120: grass vegetation space part 120a: upper connection member
120b: lower connecting member 121: grass passing space
130: elastomer

Claims (7)

A square frame base frame positioned at an edge; And a turf vegetation space integrally formed with the inside of the base frame and having a grid arrangement structure and having a grass passage space therein,
Wherein the base frame frame and the grass vegetation space are formed in a wave structure in which mountains and valleys are continuously repeated throughout the grass frame vegetation space;
The base frame frame includes a first base frame frame positioned on the upper side and a second base frame frame positioned on the lower side of the first base frame frame;
The grass vegetation space portion is connected to the upper surface of the first base frame frame to form an array and a wave structure so as to have a lattice arrangement structure. The upper connection member is connected to the lower surface of the second base frame frame, And a lower connection member formed in an array and a wave structure so as to have a lattice arrangement structure of the upper connection member and the lower connection member and a connection member located on the lattice point or between the lattice point and the lattice point between the upper connection member and the lower connection member, And an elastic body arranged to elastically support the connecting member so as to have elasticity with respect to the up and down direction, wherein the upper connecting member and the lower connecting member are arranged on the upper and lower sides so as to be spaced apart, Forming a space;
Wherein the grass protection mat is formed by injection molding with a mixed composition comprising a polypropylene resin, an alpha-olefin-based copolymer modified with maleic anhydride, and a styrene block copolymer modified with maleic anhydride to form a wave structure, A grass protection mat that provides absorption and cushioning. delete The method according to claim 1,
Wherein the upper connecting member and the lower connecting member form a grid array structure through a straight grid array or a quadrangular grid array to provide a shock absorbing and cushioning function by forming a wave structure. delete The method according to claim 1,
Wherein each of the base frame frame and the grass vegetation space has a non-slip layer on an upper surface thereof;
The anti-
Based on 100 parts by weight of at least one rubber material selected from acrylonitrile butadiene rubber (NBR), ethylene propylene rubber (EPDM), styrene butadiene rubber (SBR), nitrile rubber, butyl rubber, butadiene rubber and fluorine rubber, a fluorinated germanium epoxy composite 10 to 25 parts by weight, and a mixture of 5 to 20 parts by weight of a polyalkyl silicate having a structure in which a main chain and side chains are substituted with an alkyl group or a methyl group or an ethyl group is applied or immersed to form a wave structure, And a grass protection mat that provides cushioning. The method according to claim 1,
The lower surface of the grass vegetation space is provided with a lower opening portion having a lower opening structure at a predetermined interval. The lower opening portion is inserted into the lower opening portion to be fixedly coupled thereto. And a shock absorbing and cushioning function is provided by forming a wave structure which is configured to be able to be used. The method according to claim 6,
And the elastic spring is inserted and disposed in the buffer block so as to exert an elastic force in a vertical direction, thereby providing a shock absorbing and buffering function by forming a wave structure.

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