JP2531722Y2 - Unit flooring - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention relates to a unit floor material used by laying on a floor.

(Prior Art) Conventionally, rubber is generally laid on floors such as entrances and walking paths such as athletic fields and golf courses where people walk with spike shoes or the like.

This rubber is formed in a fixed-size rubber plate at a factory and laid on site to facilitate construction.

Further, in order to prevent the rubber plate from being displaced, the rubber plate is fixed to the base by bonding with an adhesive or nailing.

(Problems to be solved by the invention) However, this rubber plate is usually 40 mm to 50 mm thick in order to have moderate elasticity and rigidity.
There was a problem that the cost was high.

In addition, there is a problem that it takes time and effort to repair because it is bonded with an adhesive or fixed with a nail.

An object of the present invention is to solve the above-mentioned conventional problems.

That is, the thickness of the rubber plate can be reduced, and the cost can be reduced. The rectangular unit body on which the rubber plate is laid can be formed by injection molding of a synthetic resin such as polyethylene or the like, and can be made inexpensively in large quantities and with uniform dimensions.

Further, the rubber plate does not shift. Also,
The replacement work of the rubber plate at the time of restoration can be easily performed. Moreover, it is an object of the present invention to provide a unit flooring that can be adapted to expansion and contraction by a change in temperature.

(Means for Solving the Problems) According to the present invention, in order to solve the above-mentioned problems, the bottom of a rectangular unit main body is formed in a lattice shape, and an outer wall having an appropriate height is formed around the bottom. A plurality of connecting pieces protrude outwardly on one of the two outer walls adjacent to each other, and the connecting piece is provided with a leading hook portion, and both end portions of the leading hook portion are formed in a protruding character inclined shape, The key portion of the connecting piece of the other unit main body is fitted and connected to a position facing the connecting piece inside the other two outer walls such that the tip key portion of the connecting piece of the other unit body can slightly move in a direction parallel to the projecting direction of the connecting piece. A connection hole is provided, and a protrusion having a slope inclined downward is protruded from the bottom of the hole wall on both sides of the connection hole toward the inside of the hole.

In addition, a plurality of projections projecting downward are provided at appropriate locations on the bottom rear surface of the unit body.

(Operation) The rubber plate is laid on the upper surface of the bottom in the outer wall of the unit body.

Since the periphery of the unit body is surrounded by an outer wall having an appropriate height, the positioning of the rubber plate laid on the upper surface side of the unit body can be easily performed, and the thickness of the rubber plate is reduced. be able to.

In addition, a projection with an inclined surface that slopes downward is projected from the bottom part of the hole wall on both sides of the connection hole toward the inside of the hole, while both ends of the tip key portion of the connection piece are projected. Since the connection hole is formed into a shape, the connection hole is pressed from above the connection piece, and the protruding portion of the connection hole is engaged with the lower side of the projecting hook-shaped inclined ends of the connection piece.

In this state, there is an advantage that the unit body on the side of the connection hole is prevented from rising, the other unit body is prevented from rising with respect to one unit body, and a stable laid state as a unit floor material is maintained.

In addition, since a plurality of projections projecting downward are provided at appropriate locations on the bottom rear surface of the unit main body, the unit main body itself has appropriate elasticity, and the thickness of the rubber plate can be further reduced.

In order to connect a plurality of unit floor materials, a connecting piece of one unit main body may be fitted into a connecting hole of the other unit main body.

 Therefore, the workability of the unit floor material is very good.

(Example) Hereinafter, an example of a unit flooring material according to the present invention will be described with reference to the drawings.

FIG. 1 is a plan view of a unit body showing an example of a unit flooring material according to the present invention, FIG. 2 is a side view thereof, FIG. 3 is a bottom view thereof, and FIG. 4 is an end surface taken along the line IV-IV in FIG. FIG. 5, FIG. 5 is a cross-sectional view taken along line VV in FIG. 1, FIG. 6 is a cross-sectional view showing a state in which a rubber plate is fitted and laid, and FIG. 7 is a plan view showing a state in which a plurality of unit bodies are connected. FIG. 8 is a plan view showing a state in which a rubber plate is fitted and laid on the unit main body of FIG.

The unit flooring 1 according to the present invention has a rubber plate 2
The bottom part 31 of the rectangular unit main body 3 on which is laid is formed in a lattice shape, an outer wall 32 of an appropriate height is formed around the bottom part, and projections 33 protruding downward at appropriate places on the back surface of the bottom part 31 are formed. A plurality of hook-shaped connecting pieces 34 project outward from one adjacent two outer walls 32, 32 of the unit body 3, and the connection inside the other two outer walls 32, 32 is provided. A connection hole 35 formed of a lattice hole to which the connection piece 34 of the other unit main body 3 is connected is provided at a position facing the piece 34.

The unit body 3 is obtained by molding a synthetic resin such as polyethylene.

The above-mentioned projection 33 is provided integrally on the bottom surface of the intersection of the lattice-shaped bottom 31 in the unit body 3.

The rubber plate 2 is laid on the upper surface of the bottom 31 in the outer wall 32 of the unit body 3.

Since the unit body has appropriate elasticity and rigidity, the thickness of the rubber plate 2 can be reduced.

The unit flooring 1 is located at the bottom of the unit body 3.
Since the projections 33 protruding downward are provided at appropriate positions on the back surface of the unit 31, the unit body 3 itself has appropriate elasticity and rigidity.

Therefore, the thickness of the rubber plate 2 laid on the upper surface side of the unit body 3 can be further reduced.

Further, since the periphery of the unit main body 3 is surrounded by the outer wall 32 having an appropriate height, the positioning of the rubber plate 2 laid on the upper surface side of the unit main body 3 can be easily performed.

In order to connect a plurality of unit floor materials 1..., The connecting piece 34 of one unit main body 3 may be fitted into the connecting hole 35 from below the other unit main body 3.

 Therefore, the workability of the unit flooring 1 is very good.

9 to 12 are enlarged views of a connecting portion between the connecting piece 34 and the connecting hole 35, and FIG. 9 is a plan view and FIG.
FIG. 11 is a sectional view taken along the line XX in FIG. 9, FIG. 11 is a sectional view taken along the line IX-IX, and FIG.
FIG. 3 is an exploded cross-sectional view before connection with the first embodiment.

As shown in FIGS. 9 to 12, projecting portions 352, 352 having inclined surfaces inclined downward from the bottom portions of both side wall walls 351, 351 of the connecting hole portion 35 toward the inside of the hole. On the other hand, the connecting piece 34 is formed in an inclined shape in which both end portions of the tip hook portion 341 protrude.

Then, as shown in FIG. 12, the connection hole 35 is pressed from above the connection piece 34 to obtain the state shown in FIG.

Then, the protruding portions 352 of the connection hole 35 are engaged with the lower sides of both ends of the protruding V-shape of the hook portion 341 of the connection piece 34.

In this state, the unit main body 3 is prevented from lifting up to the connection hole 35 side.

Therefore, the other unit main body 3 is prevented from floating with respect to the one unit main body 3.

As a result, there is an advantage that a stable laid state is maintained as the unit flooring 1.

In the case where appropriate elasticity and rigidity are obtained by the characteristics of the rubber plate 2 and the unit main body 3, the projection 33 on the back surface of the bottom 31 of the unit main body 3 may be omitted.

Further, the connecting piece 34 is not limited to the shape of the above-described embodiment, and may have another shape.

[Effect of the invention]

As described above, according to the present invention, since the unit body has appropriate elasticity and rigidity, the thickness of the rubber plate can be reduced, and the cost can be reduced.

The rectangular unit body on which the rubber plate is laid can be molded by injection molding of synthetic resin such as polyethylene,
It can be produced in large quantities at low cost and with uniform dimensions.

Further, since the rubber plate is positioned by the outer wall provided around the unit body, the rubber plate does not shift.

Further, at the time of restoration, since the rubber plate can be easily removed from the unit main body, the replacement operation of the rubber plate can be easily performed.

In addition, the fitting between the connecting piece and the connecting hole absorbs the thermal expansion and thermal contraction of the entire unit floor material at this fitting portion, so that it can be adapted to expansion and contraction due to a change in temperature. It works.

Also, since the connection hole is pressed from above the connection piece, and the protrusion of the connection hole is engaged with the lower side of the end of the connection key in the shape of the hook-shaped protrusion, in this state,
There is an advantage that the unit body on the side of the connection hole is prevented from rising, the other unit body is prevented from rising with respect to one unit body, and a stable laid state as a unit floor material is maintained.

[Brief description of the drawings]

FIG. 1 is a plan view of a unit body showing an example of a unit flooring material according to the present invention, FIG. 2 is a side view thereof, FIG. 3 is a bottom view thereof, and FIG. 4 is an end surface taken along the line IV-IV in FIG. Figure, fifth
Fig. 6 is a cross-sectional view taken along the line V-V in Fig. 1, Fig. 6 is a cross-sectional view showing a state in which a rubber plate is fitted and laid, Fig. 7 is a plan view showing a state in which a plurality of unit bodies are connected, and Figs. FIG. 9 is a plan view showing a state in which a rubber plate is fitted and laid on the unit body shown in FIG.
12 are enlarged views of a connecting portion between the connecting piece and the connecting hole, FIG. 9 is a plan view, FIG. 10 is a sectional view taken along line XX in FIG. Fig. 11 is a sectional view taken along line XI-XI,
FIG. 12 is an exploded sectional view of the connection piece and the connection hole in FIG. 11 before connection. DESCRIPTION OF SYMBOLS 1 ... Unit floor material 2 ... Rubber plate 3 ... Unit main body 31 ... Bottom part 32 ... Outer wall 33 ... Projection part 34 ... Connection piece 341 ... Tip key part 35 ... Connection hole part 351 ... Perforated wall 352 ... Projection

Claims (2)

(57) [Scope of request for utility model registration] 1. A bottom of a rectangular unit body is formed in a lattice shape, and an outer wall having an appropriate height is formed around the bottom.
A plurality of connecting pieces protrude outward on one of two adjacent outer walls of the unit main body, and the connecting pieces are provided with a leading hook portion, and both ends of the leading hook portion are formed in an inclined shape in which both ends protrude. The other end of the connecting piece of the other unit body is fitted and connected to a position facing the connecting piece inside the other two outer walls so that the tip of the connecting piece can move slightly in a direction parallel to the projecting direction of the connecting piece. A unit flooring comprising a connecting hole to be provided, and a projection having an inclined surface inclined downward from the bottom of both side walls of the connecting hole toward the inside of the hole. 2. The unit flooring material according to claim 1, wherein projections projecting downward are provided at a plurality of appropriate locations on the back surface of the bottom of the unit main body.