Large assembly block for toys

Abstract

The present invention proposes a toy building block which is configured such that the toy building blocks may be easily coupled to each other, and a coupling angle may be easily adjusted, and accordingly, the toy building blocks may be transformed into toys having various shapes, may increase the interest of children or infants, may be assembled in various manners, thereby improving intelligence development, and connecting portions may be reinforced, thereby increasing coupling force between the connecting portions. The toy building block is provided with a body 110 , a frame member 100 , a connecting member 200 , and a skin member 300.

1 . A toy building block comprising:
 a frame member which includes the a body which is formed with a plurality of through grooves pierced to vertically penetrate the body so that the plurality of bodies are coupled to each other so as to implement predetermined shapes or surfaces and coupling units that have first coupling protrusions protruding in left and right directions from both surfaces of the body, and first coupling grooves and second coupling grooves formed at both sides of the first coupling protrusions, in which a ratio among a cross-sectional length of the first coupling groove, a cross-sectional length of the first coupling protrusion, and a cross-sectional length of the second coupling groove is 1:2:3;   a connecting member which has a second coupling protrusion for adjusting an angle when coupling the frame member or a connecting screw, in which the second coupling protrusion has a first of second coupling protrusion and a second of second coupling protrusion, a first connecting hole is formed in the first of second coupling protrusion, a second connecting hole is formed in the second of second coupling protrusion, and the connecting member includes a connecting screw and a fixing nut which are connected to the frame members and couple and fix the frame members so that the frame members are disposed at 90 degrees or 180 degrees; and   a skin member which is configured in the form of a band having a thin surface, and has skin holes which are in close contact with left and right sides of the through grooves of the frame member and coupled and fixed by the connecting screw and the fixing nut in order to implement a three-dimensional shape having a curved surface,   wherein an angle is adjusted to implement a three-dimensional shape when the plurality of the frame members are coupled and connected, and the first of second coupling protrusion and the second of second coupling protrusion of the connecting member are selected and adjusted to be bent or rotated at a coupling angle of 90 degrees or 180 degrees.   
     
     
         2 . The toy building block of  claim 1 , wherein the coupling protrusion has a coupling hole which is a space that penetrates from one surface to the other surface of the coupling protrusion, and the connecting member is coupled to the coupling hole by penetrating the coupling hole.