JPH0618406U - Interlocking block - Google Patents

Abstract

(57) [Summary] [Construction] An interlocking block, characterized in that, on the outer peripheral portion of the lower layer portion of the interlocking block, there is a convex portion and a concave portion of 5 to 15 mm with respect to the upper layer portion when viewed from above. [Effect] The blocks having the same shape can be prevented from rising and sinking by laying them so that the convex portions and the concave portions are fitted together.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an interlocking block used for sidewalks and the like, and is intended to prevent rising and sinking.

[0002]

[Prior art]

 Conventionally, interlocking blocks have been used for promenades in parks and various plazas, and because of their shape and appearance, they are highly decorative and their usage is increasing. Many of the conventional interlocking blocks have been devised to form a wavy shape on the entire outer peripheral portion to prevent planar displacement, but no particular consideration has been given to prevention of rising and sinking.

[0003]

[Problems to be solved by the device]

 The present invention aims to improve the above points, and prevents the interlocking blocks from rising and sinking when they are spread.

[0004]

[Means for Solving the Problems]

 The present invention relates to an interlocking block, characterized in that the outer peripheral portion of the lower layer portion of the interlocking block has a convex portion and a concave portion of 5 to 15 mm with respect to the upper layer portion when viewed from above. As the structure of the interlocking block, it is possible to provide a surface layer for decoration on the upper surface. There are various shapes such as a quadrangle, a hexagon, and a cross, but the shape is not particularly limited. Hereinafter, the present invention will be described with reference to the drawings.

[0005]

【Example】

 1 and 2 are examples of the interlocking block of the present invention. 1 and 2, (a) is a plan view and (b) is a front view. The interlocking block of FIG. 1 has a wear-resistant surface layer 3 for decoration, the body below which consists of an upper part 1 and a lower part 2. The lower layer portion 2 has a convex portion 4 that is convex and a concave portion 5 that is concave when viewed from above. The size of the convex portion and the concave portion is 5 to 15 mm with respect to the side surface of the upper layer portion. Similarly to FIG. 1, the interlocking block of FIG. 2 is also composed of a surface layer 13 and a main body composed of an upper layer portion 11 and a lower layer portion 12. The lower layer portion 12 has a convex portion 14 that is convex and a concave portion 15 that is concave when viewed from above. In FIG. 2, each block has a convex portion 14 and a concave portion 15 on each side surface.

[0006]

[Effect of device]

 The interlocking block of the present invention can prevent the block from rising and sinking by laying the interlocking block having the same shape so that the convex portion and the concave portion fit together.

[Brief description of drawings]

FIG. 1 is an example of an interlocking block of the present invention, (a) is a plan view and (b) is a front view.

FIG. 2 is another example of the interlocking block of the present invention, (a) is a plan view and (b) is a front view.

[Explanation of reference numerals] 1 upper layer portion 2 lower layer portion 3 surface layer portion 4 convex portion 5 concave portion 11 upper layer portion 12 lower layer portion 13 surface layer portion 14 convex portion 15 concave portion

Claims (1)

[Scope of utility model registration request] 1. An interlocking block, wherein an outer peripheral portion of a lower layer portion of the interlocking block has a convex portion and a concave portion of 5 to 15 mm with respect to the upper layer portion when viewed from above.