KR101649312B1

KR101649312B1 - Playground sculpture

Info

Publication number: KR101649312B1
Application number: KR1020160043712A
Authority: KR
Inventors: 이대연
Original assignee: 주식회사 엔빌드
Priority date: 2016-04-08
Filing date: 2016-04-08
Publication date: 2016-08-18

Abstract

The present invention relates to a sculpture for playgrounds and a construction method thereof and, more specifically, to a sculpture for playgrounds and a construction method thereof. The sculpture for playgrounds can form various three-dimensional shapes, consists of eco-friendly materials, can improve durability and antimicrobial by using a complex structure, has high structural strength by installing a heat dissipation rod, and can prevent fadedness of pigment due to heat dissipation deterioration and deformation due to deterioration.

Description

{Playground sculpture}

The present invention relates to a form of a playground, and more particularly, it relates to a form of a playground, which can form various shapes in three dimensions, is made of an environmentally friendly material and is safe, can improve durability and antibacterial property by using a composite structure, , And to a construction material for a playground which can increase the structural strength and prevent the pigment from being easily faded due to heat dissipation properties or preventing deformation due to deterioration.

Conventional playgrounds and amusement parks are made of cement, concrete, metal, rigid plastic, and buildings made of earth, concrete, and rock, so that children can slip or go over adventure games such as tightrope walking, caving, laddering, There were occasional bruises or fractures when they were lost. In addition, since the caves are made of concrete, the children have a fear of hitting the walls due to fear of passing through the dark places.

Therefore, in order to prevent such accidents in advance, the adventure playground should be made of cushioning material to prevent safety accidents that may occur to children. However, existing playgrounds are made of concrete structure or hard plastic material, Respectively. The existing elastic products were provided with waste tires and floor coverings using waste rubber. That is, according to the "Method of constructing a packaging material using a waste tire" of Patent Application No. 2000-73612 filed by the applicant of the present invention, which is provided for cushioning the packaging material of a children's playground, A packing material in which rubber chips and pigments pulverized to a width of 5 mm and PU (polyurethane) are uniformly mixed with each other; At the lower end portion of the packaging material, a mixture of silica sand at a ratio of 1 to 50% and a packing material in which gravel, sand and PU (polyurethane) are uniformly mixed with rubber chips crushed at a width of 1 mm to 20 mm; A method of manufacturing a packaging material using a waste tire characterized by a mixing structure in which a mixing structure in which packing materials classified into the upper and lower portions are laminated and a method of manufacturing a packaging material using a waste tire are disclosed in Patent Application No. 2002-10319 entitled " (Gravel) or silica sand having an average particle size of 6 to 10 mm and 10 to 30 parts by weight of a waste tire rubber chip pulverized with a particle size of 4-8 mm as a main component, A lower support layer formed by mixing 10-20% of polyurethane resin; Characterized in that the upper elastic layer is formed by mixing 15-25% of the total weight by mixing a urethane binder in a waste urethane colored rubber chip formed in an upper layer of the lower support layer and cutting to 3-4 mm length, A packaging material and a method of applying water-permeable elastic packaging material using a waste tire and a urethane colored rubber chip ", Patent Application No. 2002-10320, and the primer is applied, (Gravel) or 70 to 80 parts by weight of silica sand and 10 to 30 parts by weight of a waste tire rubber chip pulverized to a particle size of 4-8 mm, and 10-20% of the total weight of the polyurethane resin; A top elastic layer material composed mainly of a waste urethane color rubber chip cut to a length of 3-4 mm and mixed with a urethane binder of 15-25% of the total weight was prepared, and the lower support layer material was laid and the lower support layer material was cured The upper elastic layer material is poured immediately before the pouring process, and the pouring process is performed at 1-30 DEG C for 1-5 days.

However, all of the patents pending above are used as flooring materials for children's playgrounds, sidewalk blocks, parks and the like, and can not be used as foundations such as existing concrete, ascon, etc., and are unsuitable for use in movable objects, .

To solve this problem, Korean Patent Registration No. 10-0687282 discloses a method of constructing an adventure playground using a waste tire chip, a color rubber chip, and a playground structure.

In this way, it is important to install a playground artifact in an environment-friendly and safe environment in a situation where various types of artifacts are installed in children's facilities such as a playground.

Korean Patent No. 10-0687282 Korean Patent Application No. 2000-73612 Korean Patent Application No. 2002-10320

Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a construction material for a playground and a construction method thereof that can be improved in durability and antibacterial property by using a composite structure .

Another object of the present invention is to provide a prototype for a playground and a method of constructing such a prototype by providing a heat-dissipating rod to increase the structural strength and prevent the pigment from easily deforming due to heat dissipation characteristics or preventing deformation due to deterioration.

The problems to be solved by the present invention are not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

In order to accomplish the above object, the present invention provides a form of a prototype for a playground, wherein the composition comprises 100 parts by weight of rubber, 10 to 30 parts by weight of binder, 1 to 2 parts by weight of at least two kinds of nanopowders And 0.1 to 1 part by weight of a composite structure in which nanosilica surrounds the outside of the mixed nano powder.
The composite structure of the prototype for a playground according to the present invention is characterized in that the molar ratio of the silane compound: alcohol: water: perchloric acid: cetyltrimethylammonium bromide: mixed nano powder is 1: 7: 19: 0.06: 0.3: 0.7 And then forming an aerosol droplet by an atomizer, followed by drying and firing.

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According to the construction material for a playground of the present invention having the above-described construction and the construction method thereof, it is made of an environmentally friendly material, and the durability and the antibacterial property can be improved by using the composite structure.

Further, according to the present invention, there is an effect that the heat radiating rod is provided to increase the structural strength and to prevent deformation due to deterioration of the pigment easily due to heat radiation characteristics.

The effects of the present invention are not limited to those mentioned above, and other solutions not mentioned may be clearly understood by those skilled in the art from the following description.

1 is a cross-sectional view showing an embodiment of a toy for a playground according to the present invention.
2 is a view schematically showing the structure of the composite structure of the present invention.
3 is a cross-sectional view showing another embodiment of a playground equipment having a structure different from that of FIG.
4 is a cross-sectional view showing still another embodiment of the playground equipment according to the present invention.
5 is a cross-sectional view showing a heat dissipation rod having a structure different from that of FIG.
6A to 6D are photographs of a sculpture for a playground of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings and the following description. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

FIG. 1 is a cross-sectional view showing an embodiment of a toy for a playground according to the present invention, and FIG. 2 is a view schematically showing a structure of a composite structure of the present invention.

1 and 2, a method for constructing a prototype for a playground according to the present invention includes the steps of S1, placing a first rubber chip 130 on a playground floor 10, A step S3 of installing a second rubber chip 140 and a step S3 of installing a molding 100 on the first rubber chip 130 and filling the space in the molding 100 with a third rubber chip 150, Step can be exemplified.

In the step S1, first primer for adhesive force is first applied to a floor of a playground, for example, a concrete floor, and then a first rubber chip is laid and attached.

Here, the first rubber chip is a waste rubber chip obtained by pulverizing a waste tire or the like, and is formed to have a thickness of at least 40 mm, more specifically, 40 to 60 mm.

The step S2 is a step of placing a second rubber chip such as a color rubber chip capable of providing a sense of beauty on the first rubber chip, and attaching a color rubber chip on the first rubber chip using a binder or the like.

In this case, the second rubber chip may be formed to a thickness of 10 to 15 mm.

The molding of step S2 may be prepared by applying a composition comprising 100 parts by weight of rubber and 10 to 30 parts by weight of a binder on an FRP frame, curing the composition, and then removing the composition from the FRP frame.

More specifically, the composition is composed of 100 parts by weight of the rubber, 10 to 30 parts by weight of the binder, 0.1 to 1 part by weight of water, 0.1 to 1 part by weight of a composite structure in which at least two nano- .

When the amount of the binder is less than 10 parts by weight, it is difficult to exhibit a sufficient adhesive strength, and it is difficult to expect an increase in adhesion relative to the amount exceeding 30 parts by weight, It is preferable to limit it to the above range.

The siltite is a carbonaceous rock composed of a nanostructure. It has excellent adsorption power for purifying water from organic and inorganic compounds. It has a sterilizing property, so that it has excellent effect of removing pollutants contained in water in case of rain. Do.

The playground floor also contains toxic substances such as chromium, hexavalent chrome, copper, lead, arsenic, cadmium and mercury which are contained in cement, concrete and asphalt. There are advantages to be able to.

When the content of the saccharide is less than 0.1 part by weight, the above-mentioned effect is not expected to be expected, and it is preferable to limit the maximum amount of the saccharide powder to 1 part by weight in consideration of the high price of the saccharide powder and the increase rate of the toxic substance removing effect.

The composite structure contains at least two kinds of nano powders. The nanopowder may be a mixture of ZrO ₂ , SnO ₂ and TiO ₂ in a weight ratio of 0.5: 0.5: 1. The photocatalytic function It is possible to effectively carry out the present invention.

In general, TiO ₂ is known to perform a photocatalytic action on ultraviolet rays. However, in the case of mixed nano powder of ZrO ₂ , SnO ₂ and TiO ₂ , not only the photocatalytic effect on ultraviolet light is remarkably increased, but also the photocatalytic effect on visible light So that the photocatalyst acts even in nighttime illumination or indoors, and even in a cloudy day without direct sunlight, the decomposition performance of toxic substances and bacteria can be exerted due to the photocatalytic action.

Each of the nano powders may be prepared by a conventional method in which a metal precursor is reduced in a liquid phase using a reducing agent.

The metal precursor may be a metal hydride, a metal hydroxide, a metal sulfide, a metal nitrate, a metal nitride, a metal halide, a metal alkyl A metal aryl compound, a coordination compound thereof, or a combination thereof, and the metal precursor raw material is (Zr, Sn, Ti).

The reducing agent is sodium hydroxide (NaOH _2), hydrazine (N ₂ H _4), lithium view it hydride (LiBH _4), sodium view it hydride (NaBH _4), potassium view it hydride (KBH _4), lithium aluminum Hydride (LiAlH ₄ ), sodium aluminum hydride (NaAlH ₄ ), potassium aluminum hydride (KAlH ₄ ), or a combination thereof.

In such a composite structure, it is preferable that the mixed nano powder is surrounded by the porous nano silica. Examples of the manufacturing method include an imprinting method, an associate phase seperation method, a coaxial electrospray method electrospraying, and aerosol-assisted self-assembly. However, the present invention can be exemplified by a self-assembly method using an aerosol.

More specifically, the composite structure may have a molar ratio of silane compound: alcohol: water: perchloric acid: cetyltrimethylammonium bromide: mixed nano powder of 1: 6 to 8: 18 to 20: 0.03 to 0.08: 0.1 to 0.5: 0.4 To 0.8, and then forming an aerosol droplet by an atomizer, followed by drying and firing.

3 is a cross-sectional view showing another embodiment of a playground equipment having a structure different from that of FIG.

Referring to FIG. 3, the method for constructing a game material for a playground according to an embodiment of the present invention includes a step S1 of placing a first rubber chip 130 on a playground floor 10, a step S2 of forming a second rubber on the first rubber chip 130, A step S2 of installing a chip 140 on the first rubber chip 130 or a rubber chip 140 on the first rubber chip 130 and a step S3 of installing a molding 100 on the first rubber chip 130 or the second rubber chip 140, A step S4 of filling the inside of the molding 100 with the third rubber chip 150 or filler after the cover 103 is opened and a step S5 of fastening and fixing the cover 103 to the molding 100 .

As described above, by forming the opening 101 at the upper end of the molding and providing the cover 103 with a detachable structure in the opening 101, the third rubber chip 150 or the filler It can be fully charged and even if the molding is subjected to an external impact, the durability is remarkably increased due to the fully filled filler inside, and it can be prevented from being depressed or broken.

In the above-described embodiment, the filler can not be fully charged and an empty space is formed at the upper end, which may be vulnerable to an external impact. On the other hand, in order to completely fill the third rubber chip or the filler, there has been a problem that the third rubber chip or the filler has to be fixed in a shape corresponding to the shape of the molding in advance and then to be installed in a structure covering the molding on the filler. There is an advantage in solving the problem.

FIG. 4 is a cross-sectional view showing still another embodiment of a toy for a playground according to the present invention, and FIG. 5 is a sectional view showing a heat radiating rod having a structure different from that of FIG.

Referring to FIG. 4, this embodiment is characterized in that a radiating rod 110 is installed in the molding 100.

The upper end of the heat dissipating rod 110 is fixed to the inner surface of the molding 100 and the lower end of the heat dissipating rod 110 passes through the first rubber chip 130 and the playground floor 10, And can be prevented from being deformed.

A plurality of metal heat dissipating pieces 111 may be insert-formed on the outer circumferential surface of the upper region of the first rubber chip and the playground floor.

The heat-dissipating rod may be formed of a composition including a resin, wherein the composition includes 0.1 to 1 part by weight of carbon nanotubes based on 100 parts by weight of the thermosetting resin.

Referring to FIG. 5, the heat dissipating rod 110 may be formed into a structure in which a core material 113 of a metal material is inserted when the composition is molded.

Also, the thermal conductivity and the durability can be remarkably improved through the core material, and the moldability is also improved by insert injection.

When the carbon nanotube is mixed with less than 0.1 part by weight based on 100 parts by weight of the thermosetting resin, it is difficult to expect a heat radiation effect. When the amount of the carbon nanotube exceeds 1 part by weight, moldability is drastically decreased, Is defective, so that defects may occur during molding and the strength may be lowered. Therefore, it is preferable to limit the above range.

The heat dissipating rod and the heat dissipating piece serve not only to prevent heat from being accumulated in the inside of the molding, especially in summer, but also to serve as a support for supporting the molding.

Hereinafter, a production example of a playground toy according to the present invention will be described.

[ Production Example 1 ]

First, a composition is prepared.

100 parts by weight of a rubber, 20 parts by weight of a binder, 0.5 parts by weight of a cobalt powder, 0.1 parts by weight of a composite structure and 1 to 5 parts by weight of a pigment are prepared.

Wherein the binder is an acrylic adhesive and the composite structure is a solution wherein a molar ratio of silane compound: alcohol: water: perchloric acid: cetyltrimethylammonium bromide: mixed nano powder is 1: 7: 19: 0.06: 0.3: 0.7 And then forming an aerosol droplet by an atomizer, followed by drying and firing. At this time, the mixed nano powder is a mixture of ZrO ₂ , SnO ₂ and TiO ₂ in a weight ratio of 0.5: 0.5: 1.

Next, after the FRP frame is formed, the composition is coated on the upper surface thereof and cured, followed by demolding, thereby completing the molding of Figs. 6A to 6D.

The embodiments and the accompanying drawings described in the present specification are merely illustrative of some of the technical ideas included in the present invention. Therefore, it is to be understood that the embodiments disclosed herein are not for purposes of limiting the technical idea of the present invention, but are intended to be illustrative, and thus the scope of the technical idea of the present invention is not limited by these embodiments. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: Playground sculpture
101: opening
103: cover
S: empty space
110: heat radiating rod
111:
113: core material
130: First rubber chip
140: Second rubber chip
150: Third rubber chip
10: Playground floor

Claims

In a sculpture installed on a playground floor,
The composition constituting the molding is composed of 100 parts by weight of rubber, 10 to 30 parts by weight of binder, 1 to 2 parts by weight of cobalt oxide, and 0.1 to 10 parts by weight of a composite structure 0.1 in which nanosilica surrounds the mixed nano powder composed of at least two kinds of nano powders. To 1 part by weight,
In the composite structure,
A solution is formed in which the molar ratio of the silane compound: alcohol: water: perchloric acid: cetyltrimethylammonium bromide: mixed nano powder is 1: 7: 19: 0.06: 0.3: 0.7, and then the aerosol droplet is made by the atomizer , Dried, and fired.

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