JP6915891B2 - Athletic joint mat - Google Patents

Description

The present invention relates to joint mats for athletic competitions such as fighting competitions (eg, karate competitions).

As an athletic competition, for example, karate competition is generally performed on a mat laid on the floor in the competition venue. This mat is usually a joint type mat so that it can be easily carried to the competition venue, carried into the competition venue, and the like.

In this joint mat, a plurality of small-sized square-shaped unit mat pieces that form a division of the mat are carried into the competition venue and laid out on the floor surface, and the sides of the two unit mat pieces that are adjacent to each other are arranged. By engaging and connecting the parts to each other and joining the unit mat pieces together, a competition-sized square-shaped mat in a plan view is formed on the floor surface.

Each side of the unit mat piece is formed in a shape that can be engaged and connected to each other so that two unit mat pieces adjacent to each other do not open on both sides with respect to the seam line.

Here, although it is not a joint mat for karate competition, the shape of each side of a unit mat piece in a joint mat used in a general household is disclosed in Patent Documents 1-3, and specifically, a unit mat. A plurality of engaging concave portions and engaging convex portions are alternately formed along one side portion.

Utility Model Registration No. 3092531 Utility Model Registration No. 3205078 Gazette Utility Model Registration No. 3216369 Gazette

Thus, in such a karate competition joint mat, each unit mat piece is generally made of a plate-shaped foamed plastic having a cushioning property. Therefore, when the mat is used for a long time, each unit mat piece is compressed from the upper side by a large load received during the competition and plastically extends to the outer peripheral side, and as a result, they are adjacent to each other arranged on the outer peripheral portion of the mat. There is a problem that the engaging connection force between the side portions of the two unit mat pieces is weakened at the outer end of the seam line, and the two unit mat pieces are easily opened at the outer end of the seam line. Especially in the summer, this problem is likely to occur because each unit mat piece extends to the outer peripheral side due to thermal expansion.

The present invention has been made in view of the above-mentioned technical background, and a main object thereof is to provide a joint mat for athletic competition capable of suppressing the above-mentioned opening on the outer peripheral portion of the mat body.

The present invention provides the following means.

1) A plurality of plan-view polygonal unit mat pieces having engaging recesses and engaging protrusions in which each side is alternately formed along the side are formed on the floor surface. It is a joint mat for athletic competition in which a mat body having a polygonal shape in a plan view is formed by engaging and connecting the first connecting sides of the two unit mat pieces adjacent to each other. hand,
An outer peripheral mat piece laid along the side of the outer peripheral portion is provided on the outside of the outer peripheral portion of the mat body on the floor surface.
The inner side portion of the outer peripheral mat piece is a second connecting side portion having engaging concave portions and engaging convex portions alternately formed along the inner side portion.
One of the unit mats is configured such that the second connecting side portion of the outer peripheral mat piece straddles the outer end of the joint line between two adjacent unit mat pieces arranged on the outer peripheral portion of the mat body. A joint mat for athletics that is engaged and connected to a first connecting side portion on the outside of one piece and a first connecting side portion on the outside of the unit mat piece on the other side.

2) Each end portion in the length direction of the outer peripheral mat piece is a third connecting side portion having engaging concave portions and engaging convex portions alternately formed along the end edge portion.
The preceding item in which the third connecting side portions of the two outer peripheral mat pieces adjacent to each other are engaged and connected to each other on the outside of the substantially intermediate portion in the length direction of the first connecting side portion on the outer side of the unit mat piece. 1 Described athletic competition joint mat.

3) Further provided with a substantially L-shaped outer peripheral angle mat piece laid on the floor surface outside the corner of the outer peripheral portion of the mat body.
The side portions on both sides of the inner corner portion of the outer peripheral angle mat piece are the fourth connecting side portions having engaging concave portions and engaging convex portions alternately formed along the side portions, respectively.
The both fourth connecting sides of the outer peripheral angle mat piece are engaged and connected to the first connecting side portions on both sides of the outer corner portion of the unit mat piece arranged at the corner portion of the outer peripheral portion of the mat body. ,
Each end portion in the length direction of the outer peripheral angle mat piece is a fifth connecting side portion having engaging concave portions and engaging convex portions alternately formed along the end edge portion.
The fifth connecting side portion of the outer peripheral angle mat piece is the length of the outer first connecting side portion of the unit mat piece to the third connecting side portion of the outer peripheral mat piece adjacent to the outer peripheral angle mat piece. The athletic competition joint mat according to item 2 above, which is engaged and connected on the outside of a substantially intermediate portion in the longitudinal direction.

The present invention has the following effects.

In the previous item 1, one unit mat has a second connecting side portion of the outer peripheral mat piece straddling the outer end of the joint line between two adjacent unit mat pieces arranged on the outer peripheral portion of the mat body. By engaging and connecting the first connecting side portion on the outer side of one piece and the first connecting side portion on the outer side of the other unit mat piece, the problem that both unit mat pieces open at the outer end of the seam line is suppressed. be able to.

In the preceding item 2, the third connecting sides of the two outer peripheral mat pieces adjacent to each other are engaged and connected to each other on the outside of the substantially intermediate portion in the length direction of the first connecting side on the outside of the unit mat piece. As a result, the above-mentioned problems of both unit mat pieces can be reliably suppressed.

In the preceding item 3, the length of the fifth connecting side portion of the outer peripheral angle mat piece to the third connecting side portion of the outer peripheral mat piece adjacent to the outer peripheral angle mat piece at the outer first connecting side portion of the unit mat piece. By engaging and connecting on the outside of the substantially intermediate portion in the longitudinal direction, the above-mentioned defects of both unit mat pieces can be more reliably suppressed.

FIG. 1 is a plan view of a karate competition joint mat as an athletic competition joint mat according to an embodiment of the present invention. FIG. 2 is an enlarged view of a portion A in FIG. FIG. 3 is a plan view of a unit mat piece of the mat. FIG. 4 is a plan view of the outer peripheral mat piece of the mat. FIG. 5 is a plan view of the outer peripheral angle mat piece of the mat.

Next, an embodiment of the present invention will be described below with reference to the drawings.

The karate competition joint mat 20 as an athletic competition joint mat according to an embodiment of the present invention is on which a karate competition is performed as an athletic competition (fighting competition).

As shown in FIG. 1, the mat 20 includes a plurality of unit mat pieces 1 having a polygonal shape in a plan view, a plurality of mat pieces 4 having a substantially I-shaped outer periphery in a plan view, and a plurality of substantially L-shaped outer circumferences in a plan view. It is provided with a square mat piece 7. Then, the mat 20 is formed by joining them on the floor surface 30 in the competition venue without any gap.

When the plan view shape of the unit mat piece 1 is described in detail, the plan view shape of the unit mat piece 1 is a square shape, and further described in detail, it is a square shape.

The unit mat piece 1, the outer peripheral mat piece 4, and the outer peripheral angle mat piece 7 are all made of a plate-shaped foamed plastic having a cushioning property, and specifically, for example, an EVA (ethylene / vinyl acetate copolymer) foam. Made of.

The thicknesses of the unit mat piece 1, the outer peripheral mat piece 4, and the outer peripheral angle mat piece 7 are substantially equal to each other, for example, about 20 mm. In the present invention, these thicknesses are not limited to the above-mentioned dimensions, but are variously set according to the material, the type of athletics, and the like.

As shown in FIGS. 1 to 3, the plurality of unit mat pieces 1 have the same shape and the same size as each other, and are laid out on the floor surface 30 in the competition venue to form a competition-sized plan-view polygonal mat. It forms the main body 3.

When the plan view shape of the mat body 3 is described in detail, the plan view shape of the mat body 3 is a square shape, and further described in detail, it is a square shape.

The length of one side of the unit mat piece 1 is, for example, about 1 m. The length of one side of the mat body 3 is, for example, in the range of about 10 to 12 m. In the present invention, the length of one side of the unit mat piece 1 and the length of one side of the mat body 3 are not limited to the above-mentioned dimensions, and are set variously according to the type of athletic competition and the like. It is a thing.

As shown in FIG. 1, dot hatching in FIG. 1 is added on the upper surface of the mat body 3 in order to distinguish the outside area and the inside area of the competition and to make it easy to understand the competition start position of the athlete. The color of the upper surface of the unit mat piece 1 is different from the color of the upper surface of the other unit mat pieces 1.

As shown in FIG. 2, in the mat body 3 (mat 20), in each side portion 1a of the unit mat piece 1, two unit mat pieces 1 and 1 adjacent to each other do not open on both sides with respect to the seam line S1. It is formed in a shape that can be engaged and connected to each other.

Specifically, as shown in FIG. 3, each side portion 1a of the unit mat piece 1 has a first engaging concave portion 2a and an engaging convex portion 2b formed alternately along the side portion 1a. It is a connecting side portion 2.

The engaging convex portion 2b projects in a wide shape toward the outside of the side portion 1a (first connecting side portion 2) of the unit mat piece 1.

The engaging concave portion 2a is such that the engaging convex portion 2b is detachably fitted and engaged, and is cut wide toward the inside of the side portion 1a (first connecting side portion 2) of the unit mat piece 1. It was lacking.

As shown in FIG. 2, when a plurality of unit mat pieces 1 are laid out on the floor surface 30 in the shape of the mat body 3 (that is, a square shape), the first of the two unit mat pieces 1 and 1 adjacent to each other. 1 The connecting side portions 2, 2 are engaged and connected to each other so as not to open on both sides with respect to the seam line S1. That is, the engaging recess 2a of the first connecting side portion 2 of one unit mat piece 1 and the engaging convex portion 2b of the first connecting side portion 2 of the other unit mat piece 1 are fitted and engaged with each other. The engaging convex portion 2b of the first connecting side portion 2 of the unit mat piece 1 and the engaging concave portion 2a of the first connecting side portion 2 of the other unit mat piece 1 are fitted and engaged with each other.

As shown in FIGS. 1, 2 and 4, the plurality of outer peripheral mat pieces 4 have the same shape and the same size as each other, and the outer peripheral portion of the mat main body 3 is outside the outer peripheral portion of the mat main body 3 on the floor surface 30. It is laid out along the sides of the.

The length of the outer peripheral mat piece 4 is substantially equal to the length of one side of the unit mat piece 1. The width of the outer peripheral mat piece 4 is shorter than the length of one side of the unit mat piece 1, for example, in the range of about 100 to 400 mm, and in detail, for example, about 250 mm.

As shown in FIG. 2, the inner side portion 4a of the outer peripheral mat piece 4 forms the outer end S1a of the joint line S1 between the two adjacent unit mat pieces 1 and 1 arranged on the outer peripheral portion of the mat body 3. Formed in a shape that can be engaged and connected to the outer first connecting side portion 2 of one unit mat piece 1 and the outer first connecting side portion 2 of the other unit mat piece 1 in a straddling (passing) manner. Has been done.

Specifically, the inner side portion 4a of the outer peripheral mat piece 4 has a second connecting side portion 5 having a plurality of engaging concave portions 5a and engaging convex portions 5b formed alternately along the inner side portion 4a. Has been done.

In a state where the second connecting side portion 5 of the outer peripheral mat piece 4 is engaged and connected to the outer first connecting side portion 2 of both unit mat pieces 1 and 1, the outer peripheral mat piece 4 and both unit mat pieces 1 1 is connected to each other so as not to open on both sides with respect to the seam line S2. That is, the engaging recess 5a of the second connecting side portion 5 of the outer peripheral mat piece 4 and the engaging convex portions 2b and 2b of the first connecting side portions 2 and 2 on the outer side of both unit mat pieces 1 and 1 are fitted. While engaging, the engaging convex portion 5b of the second connecting side portion 5 of the outer peripheral mat piece 4 and the engaging concave portions 2a and 2a of the outer first connecting side portions 2 and 2 of both unit mat pieces 1 and 1. Fits and engages.

The outer side portion 4c of the outer peripheral mat piece 4 is formed in a straight line.

Further, each end side portion 4b in the length direction of the outer peripheral mat piece 4 is located outside the substantially intermediate portion in the length direction of the first connecting side portion 2 outside the unit mat piece 1, and is adjacent to each other. The end edge portions 4b, 4b of the two outer peripheral mat pieces 4, 4 are formed in a shape that can be engaged and connected to each other at this position.

Specifically, each end side portion 4b of the outer peripheral mat piece 4 has a third connecting side portion 6 having a plurality of engaging concave portions 6a and engaging convex portions 6b formed alternately along the end side portion 4b. It is said that.

In a state where the third connecting side portions 6 and 6 of the two outer peripheral mat pieces 4 and 4 adjacent to each other are engaged and connected to each other, the both outer peripheral mat pieces 4 and 4 are opened on both sides with respect to the seam line S3. They are connected to each other so that they do not. That is, the engaging recess 6a of the third connecting side portion 6 of the outer peripheral mat piece 4 and the engaging convex portion 6b of the third connecting side portion 6 of the other outer peripheral mat piece 4 are fitted and engaged with each other. , The engaging convex portion 6b of the third connecting side portion 6 of the outer peripheral mat piece 4 and the engaging concave portion 6a of the third connecting side portion 6 of the other outer peripheral mat piece 4 are fitted and engaged with each other.

As shown in FIGS. 1, 2 and 5, the plurality of outer peripheral angle mat pieces 7 have the same shape and the same size, and are laid on the floor surface 30 outside the outer peripheral corners of the mat body 3. Is to be done. Here, since the mat body 3 has a square shape in a plan view and the number of corners on the outer peripheral portion thereof is four, the number of outer peripheral angle mat pieces 7 is four.

The width of the outer peripheral angle mat piece 7 is substantially equal to the width of the outer peripheral mat piece 4.

The side portions 7c and 7c on both sides of the inner corner portion 7a of the outer peripheral angle mat piece 7 are the first connecting side portions on both sides of the outer corner portion 1Aa of the unit mat piece 1A arranged at the corner portion of the outer peripheral portion of the mat body 3. It is formed in a shape that can be engaged and connected to 2 and 2.

Specifically, the side portions 7c and 7c on both sides of the inner corner portion 7a of the outer peripheral angle mat piece 7 have a plurality of engaging recesses 8a and engaging protrusions 8b formed alternately along the side portions 7c, respectively. It is said to have a fourth connecting side portion 8.

In a state where both the fourth connecting side portions 8 and 8 of the outer peripheral angle mat piece 7 and the first connecting side portions 2 and 2 on both sides of the outer corner portion 1Aa of the unit mat piece 1A are engaged and connected to each other, the outer peripheral angle mat The piece 7 and the unit mat piece 1A are connected to each other so as not to open on both sides with respect to the seam line S4. That is, the engaging recesses 8a and 8a of both fourth connecting side portions 8 and 8 of the outer peripheral angle mat piece 7 and the engaging convex portions of the first connecting side portions 2 and 2 on both sides of the outer corner portion 1Aa of the unit mat piece 1A. 2b and 2b are fitted and engaged with each other, and the engaging convex portions 8b and 8b of both fourth connecting side portions 8 and 8 of the outer peripheral angle mat piece 7 and the first on both sides of the outer corner portion 1Aa of the unit mat piece 1A. The engaging recesses 5a and 5a of the connecting side portions 2 and 2 are fitted and engaged with each other.

The side portions 7e and 7e on both sides of the outer corner portion 7b of the outer peripheral angle mat piece 7 are formed in a straight line, respectively.

Further, each end portion 7d of the outer peripheral angle mat piece 7 in the length direction has a shape that can be engaged and connected to the third connecting side portion 6 of the outer peripheral mat piece 4 adjacent to the outer peripheral angle mat piece 7. It is formed.

Specifically, each end side portion 7d of the outer peripheral angle mat piece 7 has a fifth connecting side portion 9 having a plurality of engaging concave portions 9a and engaging convex portions 9b alternately formed along the end side portion 7d. It is said that.

In a state where the fifth connecting side portion 9 of the outer peripheral angle mat piece 7 and the third connecting side portion 6 of the outer peripheral mat piece 4 are engaged and connected to each other, the outer peripheral angle mat piece 7 and the outer peripheral mat piece 4 are the same. They are connected to each other so as not to open on both sides with respect to the seam line S5. That is, the engaging recess 9a of the fifth connecting side portion 9 of the outer peripheral angle mat piece 7 and the engaging convex portion 6b of the third connecting side portion 6 of the outer peripheral mat piece 4 are fitted and engaged with each other, and the outer peripheral angle mat is matted. The engaging convex portion 9b of the fifth connecting side portion 9 of the piece 7 and the engaging concave portion 9a of the fifth connecting side portion 9 of the outer peripheral mat piece 4 are fitted and engaged with each other.

In the mat 20 of the present embodiment, as shown in FIGS. 1 and 2, a plurality of unit mat pieces 1 are laid out on the floor surface 30, and the first connecting sides of the two unit mat pieces 1 and 1 adjacent to each other are arranged. The mat body 3 is formed by engaging and connecting the portions 2 and 2 to each other.

Further, a plurality of outer peripheral mat pieces 4 are laid out along the sides of the outer peripheral portion on the outside of the outer peripheral portion of the mat body 3 on the floor surface 30, and the second connecting side portion 5 of the outer peripheral mat piece 4 is arranged. , Two unit mat pieces 1 and 1 adjacent to each other arranged on the outer peripheral portion of the mat body 3 so as to straddle the outer end S1a of the joint line S1 of each other, and the first connecting side on the outside of one unit mat piece 1. It is engaged and connected to the first connecting side portion 2 on the outer side of the portion 2 and the other unit mat piece 1. Therefore, the outer peripheral mat is at the position of the outer end S1a of the seam line S1 of both unit mat pieces 1 and 1 in the engaged connection state between the outer first connecting side portions 2 and 2 of both unit mat pieces 1 and 1. It is held by the piece 4. As a result, it is possible to prevent the mat pieces 1 and 1 of both units from opening at the outer end S1a of the seam line S1.

Further, the third connecting side portions 6 and 6 of the two outer peripheral mat pieces 4 and 4 adjacent to each other are located outside the substantially intermediate portion in the length direction of the first connecting side portion 2 outside the unit mat piece 1. They are engaged and connected to each other. Therefore, it is possible to reliably prevent the mat pieces 1 and 1 of both units from opening at the outer end S1a of the seam line S1.

Further, the outer peripheral angle mat piece 7 is laid on the outside of each corner of the outer peripheral portion of the mat body 3 on the floor surface 30, and the fourth connecting side portions 8 on both sides of the inner corner portion 7a of the outer peripheral angle mat piece 7 are laid. , 8 are engaged and connected to the first connecting side portions 2 and 2 on both sides of the outer corner portion 1Aa of the unit mat piece 1A arranged at the corner portion of the outer peripheral portion of the mat body 3. Moreover, the fifth connecting side portion 9 of the outer peripheral angle mat piece 7 is connected to the third connecting side portion 6 of the outer peripheral mat piece 4 adjacent to the outer peripheral angle mat piece 7 on the outer side of the unit mat piece 1. It is engaged and connected on the outside of the substantially intermediate portion in the length direction of the side portion 2. Therefore, it is possible to more reliably prevent the mat pieces 1 and 1 of both units from opening at the outer end S1a of the seam line S1.

Although one embodiment of the present invention has been described above, it goes without saying that the present invention is not limited to the above embodiment and can be variously modified without departing from the gist of the present invention.

The present invention can be used for joint mats for athletic competitions such as fighting competitions (eg, karate competitions).

1: Unit mat piece 2: 1st connecting side part 3: Mat body 4: Outer peripheral mat piece 5: 2nd connecting side part 6: 3rd connecting side part 7: Outer peripheral angle mat piece 8: 4th connecting side part 9 : Fifth connecting side S1 to S5: Seam line 20: Joint mat

Claims (2)

A plurality of plan-view polygonal unit mat pieces, each of which has an engaging concave portion and an engaging convex portion formed alternately along the side portion and are used as a first connecting side portion, are laid on the floor surface. A joint mat for athletic competition in which a mat body having a polygonal shape in a plan view is formed by engaging and connecting the first connecting sides of the two unit mat pieces adjacent to each other while being arranged side by side.
An outer peripheral mat piece laid on the outside of the outer peripheral portion of the mat body on the floor surface along the side portion of the outer peripheral portion, and an outer peripheral mat piece laid on the outside of the corner portion of the outer peripheral portion of the mat body on the floor surface. Equipped with a substantially L-shaped outer peripheral angle mat piece in a plan view,
The inner side portion of the outer peripheral mat piece is a second connecting side portion having engaging concave portions and engaging convex portions alternately formed along the inner side portion.
One of the unit mats is configured such that the second connecting side portion of the outer peripheral mat piece straddles the outer end of the joint line between two adjacent unit mat pieces arranged on the outer peripheral portion of the mat body. In addition to being engaged and connected to the first connecting side portion on the outside of one piece and the first connecting side portion on the outside of the other unit mat piece ,
Each end portion in the length direction of the outer peripheral mat piece is a third connecting side portion having engaging recesses and engaging protrusions alternately formed along the end edge portion.
The third connecting side portions of the two outer peripheral mat pieces adjacent to each other are engaged and connected to each other on the outside of the substantially intermediate portion in the length direction of the first connecting side portion on the outer side of the unit mat piece. ,
The side portions on both sides of the inner corner portion of the outer peripheral angle mat piece are the fourth connecting side portions having engaging concave portions and engaging convex portions alternately formed along the side portions, respectively.
The both fourth connecting sides of the outer peripheral angle mat piece are engaged and connected to the first connecting side portions on both sides of the outer corner portion of the unit mat piece arranged at the corner portion of the outer peripheral portion of the mat body. ,
Each end portion in the length direction of the outer peripheral angle mat piece is a fifth connecting side portion having engaging concave portions and engaging convex portions alternately formed along the end edge portion.
The fifth connecting side portion of the outer peripheral angle mat piece is the length of the outer first connecting side portion of the unit mat piece to the third connecting side portion of the outer peripheral mat piece adjacent to the outer peripheral angle mat piece. A joint mat for athletics that is engaged and connected on the outside of the approximately middle part in the vertical direction. A plurality of plan-view polygonal unit mat pieces, each of which has an engaging concave portion and an engaging convex portion formed alternately along the side portion and are used as a first connecting side portion, are laid on the floor surface. A joint mat for athletic competition in which a mat body having a polygonal shape in a plan view is formed by engaging and connecting the first connecting sides of the two unit mat pieces adjacent to each other while being arranged side by side.
An outer peripheral mat piece laid on the outside of the outer peripheral portion of the mat body on the floor surface along the side portion of the outer peripheral portion, and an outer peripheral mat piece laid on the outside of the corner portion of the outer peripheral portion of the mat body on the floor surface. Equipped with a substantially L-shaped outer peripheral angle mat piece in a plan view,
The inner side portion of the outer peripheral mat piece is a second connecting side portion having engaging concave portions and engaging convex portions alternately formed along the inner side portion.
One of the unit mats is configured such that the second connecting side portion of the outer peripheral mat piece straddles the outer end of the joint line between two adjacent unit mat pieces arranged on the outer peripheral portion of the mat body. In addition to being engaged and connected to the first connecting side portion on the outside of one piece and the first connecting side portion on the outside of the other unit mat piece ,
Each end portion in the length direction of the outer peripheral mat piece is a third connecting side portion having engaging recesses and engaging protrusions alternately formed along the end edge portion.
The side portions on both sides of the inner corner portion of the outer peripheral angle mat piece are the fourth connecting side portions having engaging concave portions and engaging convex portions alternately formed along the side portions, respectively.
The both fourth connecting sides of the outer peripheral angle mat piece are engaged and connected to the first connecting side portions on both sides of the outer corner portion of the unit mat piece arranged at the corner portion of the outer peripheral portion of the mat body. ,
Each end portion in the length direction of the outer peripheral angle mat piece is a fifth connecting side portion having engaging concave portions and engaging convex portions alternately formed along the end edge portion.
The fifth connecting side portion of the outer peripheral angle mat piece is the length of the outer first connecting side portion of the unit mat piece to the third connecting side portion of the outer peripheral mat piece adjacent to the outer peripheral angle mat piece. A joint mat for athletics that is engaged and connected on the outside of the approximately middle part in the vertical direction.

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