KR20130047377A - Assembling block toy - Google Patents

Abstract

PURPOSE: An assembly block toy is provided to securely maintain the assembly state of a pair of unit blocks which are assembled by a connecting member, and to be able to attach/detach conveniently. CONSTITUTION: An assembly block toy includes: a unit block(110) which has a form of a solid figure surrounded by multiple exterior walls, and has an opening hole on the exterior wall; a fastening part(120) which has a penetration hole on a plate side and a plate arranged in the inside of the exterior walls with an opening, and is arranged in the opening hole of the unit block; and a connecting member(130) which has an insertion shaft inserted into the penetration hole of the fastening part. In the inner periphery of the penetration hole and the outer periphery of the insertion shaft, a fixing pin and a pin groove corresponding to each other are formed respectively. A seating groove on which the fixing pin is mounted is formed on one end side of the pin groove.

Description

Prefabricated block toy {Assembling block toy}

The present invention relates to a prefabricated block toy, and more particularly to a prefabricated block toy that is not only easy detachable in the process of assembling a pair of unit blocks by the connecting member, but also maintains the assembled state.

In general, as toys for the development of intelligence of infants or children, a set of prefabricated block toys for assembling a plurality of blocks having various shapes to make an arbitrary sculpture is widely used. This prefabricated block toy set can be used repeatedly to assemble sculptures of various shapes according to the children's imagination, to disassemble the assembled sculptures and to make other sculptures, and to stimulate the creativity and imagination of children. There is a big advantage in helping to improve activity and intelligence.

In addition, according to the design ability and imagination of the producer, it is possible to produce sculptures with high difficulty, which is widely used in elementary and middle school students as well as infants and preschoolers.

Conventional prefabricated block toys, in which fastening between blocks via a connecting member, are known from US Pat. No. 5,645,464.

Known prefabricated block toys are hollow and have a wall with a circular opening, a flange recessed in the opening, a central hole and two or more holes formed adjacent to and cooperating with the hole. . Each of the two or more holes further comprises a semicylindrical elastic support for supporting two semicircular knobs integrally connected to the flange for connecting the two toy blocks to each other.

U. S. Patent No. 5,645, 464 also discloses a switch lock for fastening toy blocks using the retaining knob means to connect them to each other. The switch lock includes a rigid disk and two shafts attached to opposite sides of the disk. Each shaft includes the hole and a head portion assembled to the hole of the opening in the toy block wall held by the knob. By being engaged with the knob holding means, the head portion of the switch lock holds the connected blocks.

However, in the conventional prefabricated block toys because the connection state between the blocks is maintained by the elastic force, when assembling a structure having a long shape, there is a problem that the coupling between blocks is released by its own load.

Patent Document 1. US Patent No. 5,645,464 (1997.06.08)

Accordingly, an object of the present invention is to solve such a conventional problem, to provide a prefabricated block toy that can be easily detached while maintaining a tightly coupled state of the pair of unit blocks assembled by the connecting member.

In addition, when assembling between the unit blocks, to provide a prefabricated block toys that can be prevented from rotating in the disengagement direction arbitrarily in the assembled state by allowing the mutually opposing surfaces of the unit blocks are in close contact with each other.

In addition, by simply assembling the fastening portion in the receiving groove formed on the inside of the unit block is not only easy to assemble the unit block having a three-dimensional shape, but also prefabricated block toys that can prevent the fastening portion from leaving within the receiving groove arbitrarily In providing.

In addition, as the fixing pin rises along the inclined surface and is seated in the seating groove, the coupling position is guided and a click sound is generated at the same time to induce the user's interest and through the click sound, the user can recognize the coupling completion state. It is possible to provide a prefabricated block toys that can be applied to force the force in the engagement direction to prevent damage to the parts.

In addition, as the fixing pin penetrates the pinhole ascends along the inclined surface and is seated in the seating groove, the fastening portion is elastically coupled between the locking jaw and the fixing pin, thereby preventing the connection member from flowing in the fixed state. To provide a prefabricated block toys that can be prevented from being released arbitrarily.

In addition, the stopper is protruded from the other side facing the inclined surface of the seating groove to prevent further rotation in the state in which the fastening is completed, as well as to prevent the insertion shaft from rotating in the reverse direction when inserted into the through hole. To provide prefabricated block toys.

The object is, according to the present invention, a unit block having a three-dimensional shape surrounded by a plurality of outer walls consisting of a curved surface or a plane, the opening hole is formed on at least one outer wall; and a through hole is formed in the plate surface to form an opening hole A plate disposed on an inner surface of the formed outer wall and formed in an opening hole of the unit block; and a connection member having an insertion shaft inserted into the through hole of the unit block. A fixing pin and a pin groove corresponding to each other are formed on the outer circumferential surface of the shaft, and a seating groove in which the fixing pin is seated is formed at one end of the pin groove. Assembly, characterized in that the fixing pin is seated in the seating groove by the relative rotation between the connecting member and the unit block in the inserted state to maintain the connection state It is achieved by a toy block.

Here, the unit blocks are preferably separated into at least two bodies and assembled together.

In addition, the fastening portion is preferably formed integrally on the outer wall of the unit block.

In addition, it is preferable that an accommodation groove in which the fastening part is accommodated is formed on the inner side of the opening hole of the unit block.

In addition, it is preferable that the outer side of the plate protrudes an elastic piece in elastic contact with the inner side of the outer wall, and elastically supports the fastening portion in a direction away from the inner side of the outer wall.

In addition, the receiving groove is preferably formed with a fixing projection for preventing the separation of the fastening portion.

In addition, it is preferable that a support pin protruding from the inside of the fastening part to support the inner surface of the fastening part from the inside of the unit block.

In addition, it is preferable that the unit blocks have fastening portions respectively disposed on two opposite surfaces, and the fastening portions disposed on the two surfaces are supported by the ends of the support pins of the rear ends thereof.

In addition, the inclined surface is preferably disposed between the seating groove and the pin groove.

In addition, it is preferable that a stopper is disposed on the other side of the seating groove to prevent the fixing pin seated on the seating groove from moving to the other side.

In addition, the angle between the pin groove and the mounting groove of the fastening portion is preferably set to 45 degrees.

Preferably, the connecting member is formed with a latching protrusion protruding from the rear end of the insertion shaft to contact the outer surface of the plate.

In addition, the insertion shaft and the fixing pin of the connecting member is formed at both ends, the spacing between the fixing pins of both ends is formed shorter than the interval between the seating groove of the fastening portion assembled on both sides of the connecting member so that the elastic pieces of the fastening portion of the unit block on both sides It is preferable that the respective compression in the receiving groove of the elastic.

According to the present invention, there is provided a prefabricated block toy that can be easily detached while maintaining a firmly coupled state of the pair of unit blocks assembled by the connecting member.

In addition, when assembling between the unit blocks, there is provided a prefabricated block toys that can be prevented from rotating in the disengagement direction arbitrarily in the assembled state by allowing the mutually opposing surfaces of the unit blocks to be in close contact with each other.

In addition, by simply assembling the fastening portion in the receiving groove formed on the inside of the unit block is not only easy to assemble the unit block having a three-dimensional shape, but also prefabricated block toys that can prevent the fastening portion from leaving within the receiving groove arbitrarily Is provided.

In addition, as the fixing pin rises along the inclined surface and is seated in the seating groove, the coupling position is guided and a click sound is generated at the same time to induce the user's interest and through the click sound, the user can recognize the coupling completion state. It is possible to provide a prefabricated block toys that can be forcibly applied in the engagement direction to prevent damage to the parts.

In addition, as the fixing pin penetrates the pinhole ascends along the inclined surface and is seated in the seating groove, the fastening portion is elastically coupled between the locking jaw and the fixing pin, thereby preventing the connection member from flowing in the fixed state. , Prefabricated block toys are provided that can prevent the fastening state is released arbitrarily.

In addition, the stopper is protruded from the other side facing the inclined surface of the seating groove to prevent further rotation in the state in which the fastening is completed, as well as to prevent the insertion shaft from rotating in the reverse direction when inserted into the through hole. Prefabricated block toys are provided.

1 is a perspective view of the present invention prefabricated block toys,
Figure 2 is an exploded perspective view of the present invention prefabricated block toys,
Figure 3 is an exploded perspective view of the first fastening portion according to the present invention prefabricated block toys,
Figure 4 is an exploded perspective view of the second fastening portion according to the present invention prefabricated block toys,
5 is a cross-sectional view taken along the line AA of FIG.
6 is a cross-sectional view taken along line BB of FIG.
7 to 15 is a functional diagram showing the coupling process of the prefabricated block toys of the present invention.

Prior to the description, components having the same configuration are denoted by the same reference numerals as those in the first embodiment. In other embodiments, configurations different from those of the first embodiment will be described do.

Hereinafter, with reference to the accompanying drawings will be described in detail a prefabricated block toys according to a first embodiment of the present invention.

1 is a perspective view of a prefabricated block toy of the present invention, FIG. 2 is an exploded perspective view of the prefabricated block toy of the present invention, FIG. 3 is an exploded perspective view of the first fastening part 120a according to the prefabricated block toy of the present invention. Figure 4 is an exploded perspective view of the second fastening portion 120b according to the present invention prefabricated block toys.

Prefabricated block toys of the present invention as shown in the drawings is a unit block 110 having a three-dimensional shape, a fastening portion 120 formed on the outer wall 111 of the unit block 110, the fastening portion ( It is configured to include a connecting member 130 detachably connected to 120.

The unit block 110 is surrounded by six outer walls 111 to form a cube, the center of the four outer walls 111 constituting the side is cut and divided into the first body 110a and the first Consists of two bodies (110b), the circular opening hole 112 is formed in the center of each outer wall 111, respectively, and the receiving groove surrounding the side of the fastening portion 120 in the inner surface of the opening hole 112 113 is formed. Here, the receiving groove 113 disposed on the outer wall 111 constituting the upper and lower surfaces of the six outer walls 111 and the opening is intact is the second receiving groove 113b, the outer wall 111 constituting the side surface. The receiving groove 113 is disposed in the receiving groove 113 protruding the fixing projection 114 to support the inner surface of the fastening portion 120 on both sides of the opening of the receiving groove 113 may be divided into a first receiving groove (113a). In addition, a coupling boss and a coupling groove which are assembled to each other are formed on the coupling surface of the first body 110a and the second body 110b. Meanwhile, in the present embodiment, the unit block 110 has been described as an example of a rectangular parallelepiped having six outer walls 111 formed in a plane, but is formed in the form of a three-dimensional model such as a cone, a cylinder, a polygonal column, and a polyhedron. The opening hole 112 and the receiving groove 113 may be formed in some of the outer walls 111 of the plurality of outer walls 111.

The fastening part 120 includes the first fastening part 120a inserted into the first accommodating groove 113a of the outer wall 111 constituting the side of the unit block 110 and the outer wall 111 constituting the upper and lower surfaces. It may be divided into a second fastening portion (120b) is inserted into the second receiving groove (113b).

As shown in FIG. 3, the first fastening part 120a includes a plate 121 seated in the receiving groove 113 of the unit block 110 and a through hole formed through the plate surface of the plate 121. (122), four pin grooves (123) arranged at intervals of 90 degrees on the inner circumferential surface of the through hole (122), and a seating groove (124) spaced apart from one side of the pin groove (123) on the inner surface of the through hole (122). ), The inclined surface 125 is disposed between the seating groove 124 and the pin groove 123, the lower portion is connected to the pin groove 123, the high portion is connected to the seating groove 124, and the seating groove The stopper 126 protrudes to prevent the fixing pin 132 seated in the seating groove 124 from moving to the other side of the 124 and the plate 121 of the plate 121 to be bent from the other side of the outer wall 111. It includes an elastic piece 127 elastically supporting the fastening portion 120 in a direction spaced apart from the inner surface of the outer wall 111 while elastically contacting the inner surface, Between each of the pin groove 123 and the recess 124 are set to 45 degrees. In addition, the thickness of the plate 121 is formed thinner than the depth of the receiving groove 113, the elastic piece 127 is the inner surface of the outer wall 111 in the state in which the plate 121 is inserted into the receiving groove 113. In contact with the inner surface of the plate 121 is preferably to be in close contact with the fixing protrusion 114 elastically.

As shown in FIG. 4, the second fastening portion 120b supports the inner surface of the fastening portion 120 from an opposite side of the outer wall 111 on which the fastening portion 120 is installed on the inner surface of the plate 121. The plurality of support pins 128 are different from the first fastening portion 120a in that the protrusions are additionally formed, and as shown in FIG. 2, the outer wall 111 constituting the upper and lower surfaces of the unit block 110, respectively. When the second fastening portion 120b is disposed, it is preferable that the ends of the support pins 128 respectively formed at the rear end portions are in contact with each other.

The connecting member 130 is provided at both ends of the insertion shaft 131 to be inserted into the through-hole 122 of the fastening portion 120 and the insertion shaft to be inserted into the pin groove 123 of the fastening portion 120 ( Four fixing pins 132 arranged at intervals of 90 degrees on the side of the distal end of the 131 and protruding between the insertion shafts 131 of the both ends, and the engaging jaw 133 that contacts the outer surface of the plate 121. It is configured to include. Here, the interval between the locking step 133 and the fixing pin 132 is formed to correspond to the interval between the outer surface of the plate 121 and the mounting groove 124, the thickness of the locking step 133 is a unit It may be formed to about twice the depth of the opening hole 112 of the block (110). Meanwhile, in the present exemplary embodiment, fixing pins 132 are formed at both ends to connect the pair of unit blocks in close contact with each other, and have been described as an example. It is also possible to form the length of the 130 to be fixed to the fastening portion 120 of the other unit block 110 in the distal end in the state penetrating a plurality of unit blocks (110).

On the other hand, the receiving groove 113 and the fastening portion 120 is the second fastening portion 120b accommodated in the first fastening portion 120a and the second receiving groove 113b accommodated in the first receiving groove 113a. However, the first fastening portion 120a and the second fastening portion 120b as described above are only different in that the rear ends are supported by the fixing protrusion 114 and the support pin 128, respectively. Since the coupling / separation action with the member 130 is the same, the following description will be made by integrating into the receiving groove 113 and the fastening part 120.

Meanwhile, in the present embodiment, the pin groove 123 is formed on the inner circumferential surface of the through hole 122 of the fastening part 120, and the fixing pin 132 is formed on the insertion shaft 131 of the connection member 130. For example, but the fixing pin 132 is formed on the inner circumferential surface of the through hole 122, the pin groove 123 is formed on the outer circumferential surface of the insertion shaft 131, the inclined surface 125 on one side of the distal end of the pin groove 123, The mounting groove 124 and the stopper 126 may be formed in this order.

The following describes the coupling and operation of the first embodiment of the above-mentioned prefabricated block toy.

5 is a cross-sectional view taken along the line A-A of Figure 1, Figure 6 is a cross-sectional view taken along the line B-B of Figure 1, Figures 7 to 15 is a functional diagram showing the coupling process of the prefabricated block toys of the present invention.

First, referring to FIGS. 5 and 6, the assembly state of the unit block 110 will be described. The state in which the openings of the first body 110a and the second body 110b constituting the unit block 110 are disposed to face each other. The first fastening portion 120a is formed in each of the first receiving grooves 113a formed inside the opening hole 112 of the outer wall 111 constituting the side wall of the first body 110a or the second body 110b. The second fastening part 120b is inserted into the second receiving groove 113b formed in the outer wall 111 constituting the upper and lower surfaces of the first body 110a and the second body 110b, respectively.

At this time, the first fastening portion 120a and the second fastening portion 120b are disposed such that the surface of the side on which the elastic piece 127 protrudes from the plate surface of the plate 121 faces the inner surface of the outer wall 111. The first fastening portion 120a inserted into the first accommodating groove 113a is prevented from being separated from the first accommodating groove 113a by the fixing protrusion 114 formed at the rear end of the first accommodating groove 113a. The second fastening portion 120b inserted into the second accommodating groove 113b includes the second fastening portion 120b and the second body (120b) disposed on the outer wall 111 constituting the lower surface of the first body 110a. Ends of the plurality of support pins 128 formed on the inner surface of the second fastening portion 120b disposed on the outer wall 111 constituting the upper surface of 110b are supported while being in contact with each other to accommodate the second accommodation groove 113b. Of course, it is possible to prevent the departure from the arbitrary, as well as the elastic piece 127 is maintained in a state in which the elastically in close contact with each of the inner surface of the outer wall (111).

In particular, the first fastening portion (120a) and the second fastening portion (120b) is an elastic piece protruding from the plate surface of the plate 121 in a state that the inner surface is supported by the fixing protrusion 114 or the support pin 128 127 is in contact with the inner surface of the outer wall 111 to be in a state spaced apart from the inner surface of the outer wall 111, it is possible to elastically move within the spaced interval.

As described above, the first fastening portion 120a and the second fastening portion 120b are respectively formed in the first accommodating groove 113a and the second accommodating groove 113b of the first body 110a and the second body 110b. After coupling, when the opening side of the first body (110a) and the second body (110b) is coupled in close contact with each other, the assembly of the unit block 110 is completed.

Next, the process of assembling the pair of unit blocks 110 through the connection member 130 will be described in detail with reference to FIGS. 7 to 15.

7, 10, and 13 of the accompanying drawings are front views showing the inner side of the fastening portion coupled to the receiving groove of one side unit block, and FIGS. 8, 11, and 14 are FIGS. CC sectional drawing, and FIG. 9, FIG. 12, and FIG. 15 are DD line sectional drawing of FIG. 7, FIG. 10, and FIG.

First, as shown in FIG. 7, the fixing pin 132 of the connection member 130 is aligned with the pin groove 123 of the fastening part 120, and then insertion shafts formed at both ends of the connection member 130 as shown in FIG. 8 ( 131 is in close contact with the outer wall 111 of the pair of unit blocks 110 to be inserted into the through-holes 122 of the fastening portion 120 formed in the outer wall 111 of both side unit block 110, the connection member The fixing pin 132 of the 130 penetrates through the pin groove 123 of the fastening part 120 to be positioned inside the plate 121.

In this case, as shown in FIG. 9, the inclined surface 125, the seating groove 124, and the stopper 126 are sequentially disposed on one side of the pin groove 123, and the stopper 126 is formed to the other side of the adjacent pin groove 123. Since the connection member 130 is inserted into the fastening part 120 of both side unit blocks 110, both side unit blocks 110 may be rotated only in the direction in which the inclined surface 125 is formed.

In addition, the plate 121 of the fastening part 120, as described above, the elastic piece 127 of the plate 121 in contact with the inner surface of the outer wall 111 in a state disposed in the receiving groove 113 plate The state in which the 121 is elastically supported in the direction away from the inner side surface of the outer wall 111 is maintained.

Subsequently, in the state in which the insertion shaft 131 of the connecting member 130 is inserted into the through hole 122 of the fastening part 120 coupled to the receiving groove 113 of the unit block 110, as shown in FIG. When the block 110 is rotated in the coupling direction, the fixing pin 132 of the connection member 130 moves along the inclined surface 125 formed at one side of the pin groove 123 of the fastening part 120.

That is, looking at the relative action of the connecting member 130 and the fastening portion 120, as shown in Figure 11 as the fixing pin 132 of the connecting member 130 moves along the inclined surface 125 of the fastening portion 120 The plate 121 of the fastening part 120 is moved toward the inner side surface of the outer wall 111 in the receiving groove 113.

Since the inclined surface 125 as described above has a low portion connected to one side of the pin groove 123 and a high portion connected to the seating groove 124, the fixing pin 132 as the unit block 110 rotates in the coupling direction. The plate 121 is gradually moved toward the inner side of the outer wall 111 as the position is moved to the high portion of the inclined surface 125, and in this process the outer wall (from the plate surface of the plate 121, as shown in Figure 12) The elastic piece 127 protruding toward the inner side of the 111 is elastically compressed as the gap between the plate 121 and the inner side of the outer wall 111 is narrowed.

If the unit block 110 continues to rotate in the coupling direction as described above, the fixing pin 132 of the connection member 130 is inserted into the mounting groove 124 of the fastening portion 120 as shown in FIG. Here, since the angle between the pin groove 123 and the seating groove 124 is set to 45 degrees, when the both side unit block 110 is rotated 90 degrees in the coupling direction, the fixing pin 132 of the connecting member 130 is inclined surface The assembly of the unit blocks 110 on both sides is completed with the connection member 130 interposed between the mounting grooves 124 via 125.

In this state, as shown in FIG. 14, the fixing pins 132 formed at both ends of the connection member 130 are respectively seated in the seating grooves 124 formed in the fastening portions 120 of both unit blocks 110, and the unit block 110. The coupling force is generated between the connection member 130 and the pair of unit blocks 110 are maintained.

In particular, as the fixing pin 132 moves from the high portion of the inclined surface 125 to the seating groove 124 in the assembling process, the elastic piece 127, which has been elastically compressed, is elastically restored and the plate 121 is in its original position. At the same time as the fixed pin 132 is seated in the seating groove 124, the coupling position of the unit block 110 and the connecting member 130 is guided and at the same time generates a rattle, causing a user's interest. , You can recognize the completion state of the assembly through the click sound to force the force in the coupling direction it is possible to prevent the fixing pin 132 is damaged.

In addition, in a state in which the fixing pin 132 penetrates the pin hole and rises along the inclined surface 125 and is seated by the seating groove 124, as shown in FIG. 15, the fixing pin 132 of the connecting member 130 is fastened to the fastening part ( In the state of being seated in the seating groove 124 of 120, the seating groove 124 is elastically supporting the fixing pin 132 in the insertion direction by the elastic piece 127.

Therefore, the unit blocks 110 respectively coupled to both sides of the connection member 130 have the insertion shaft 131 of the connection member 130 elastically supported in the insertion direction, so that the outer side of the outer wall 111 of the unit block 110 is different. Since the side is kept elastically in close contact with each other, the flow is prevented from being assembled and, of course, a solid assembly is maintained.

In addition, the stopper 126 is protruded from the other side surface of the seating groove 124 opposite to the inclined surface 125, so that it is further prevented from further rotating in the coupling direction in the completed assembly.

Meanwhile, in the above embodiment, the coupling of the unit block 110 and the connection member 130 is coupled by rotation of 45 degrees while explaining the coupling process of the coupling part 120 and the connection member 130 of the one side unit block 110. As illustrated in the drawings, when the pair of unit blocks 110 are fastened with the connecting member 130 interposed therebetween, the unit blocks 110 on both sides rotate by 45 degrees, respectively. The assembly is completed by holding the unit block 110 and rotating 90 degrees in the coupling direction.

In addition, when it is to be separated again in the assembled state, by rotating the unit block 110 on both sides in the disassembly direction by 90 degrees, the fixing pin 132 of the connection member 130 is released from the seating groove 124 inclined surface 125 It is positioned in the pin groove 123 via the, and in this state, when the pair of unit blocks 110 are separated, the fixing pins 132 of the connection member 130 from the fastening portion 120 through the pin groove 123. Exiting completes the separation.

The scope of the present invention is not limited to the above-described embodiments, but may be embodied in various forms of embodiments within the scope of the appended claims. Without departing from the gist of the invention claimed in the claims, it is intended that any person skilled in the art to which the present invention pertains falls within the scope of the claims described in the present invention to various extents which can be modified.

110: unit block, 110a: first body, 110b: second body, 111: outer wall, 112: opening hole,
113: receiving groove, 114: fixing projection, 120: fastening portion, 121: plate, 122: through hole,
123: pin groove, 124: seating groove, 125: inclined surface, 126: stopper, 127: elastic piece, 128: support pin,
130: connection member, 131: insertion shaft, 132: fixing pin, 133: locking jaw

Claims (13)

A unit block surrounded by a plurality of outer walls having a curved surface or a planar shape and having a three-dimensional shape, and having opening holes formed in at least one outer wall;
A fastening part having a through hole formed on a plate surface and a plate disposed on an inner surface of an outer wall on which an opening hole is formed and disposed in an opening hole of the unit block;
And a connection member having an insertion shaft inserted into the through hole of the fastening portion.
Fixing pins and pin grooves corresponding to each other are formed on the inner circumferential surface of the through hole and the outer circumferential surface of the insertion shaft, respectively, and a seating groove for fixing pins is formed at one end of the pin groove.
The unit block and the connecting member, the fixing pin is seated in the mounting groove by the relative rotation between the connecting member and the unit block in the state that the insertion shaft of the connecting member is inserted into the through hole of the fastening portion, characterized in that the connection state is maintained Prefabricated Block Toys. The method of claim 1,
The unit block is a prefabricated block toy, characterized in that separated into at least two bodies are assembled together. The method of claim 2,
The fastening part prefabricated block toys, characterized in that formed integrally with the outer wall of the unit block. The method of claim 2,
Prefabricated block toys, characterized in that the receiving groove is formed on the inner surface of the opening hole of the unit block for receiving the fastening portion. 5. The method of claim 4,
The outer surface of the plate is an elastic piece that is elastically in contact with the inner surface of the outer wall protruding, the prefabricated block toys, characterized in that the elastic support in the direction away from the inner surface of the outer wall. 6. The method of claim 5,
Prefabricated block toys, characterized in that the fixing groove is formed in the receiving groove to prevent the separation of the fastening portion. 6. The method of claim 5,
Prefabricated block toys, characterized in that the rear end of the fastening portion is formed from a support pin for supporting the inner surface of the fastening portion from the inside of the unit block. 8. The method of claim 7,
The unit block is a prefabricated block toy, characterized in that the fastening portion is disposed on each of the two opposite surfaces, the fastening portion disposed on the two surfaces are supported by the end of the support pins of the rear end abut each other. 9. The method according to any one of claims 1 to 8,
Prefabricated block toys, characterized in that the inclined surface is disposed between the seating groove and the pin groove. The method of claim 9,
The other side of the seating groove prefabricated block toys, characterized in that the stopper is disposed to prevent the fixing pin seated in the seating groove to move to the other side. The method of claim 10,
Prefabricated block toys, characterized in that the angle between the pin groove and the seating groove of the fastening portion is set to 45 degrees. 12. The method of claim 11,
The connecting member is a prefabricated block toy, characterized in that the locking projection protruding in contact with the outer surface of the plate at the rear end of the insertion shaft. 12. The method of claim 11,
The insertion shaft and the fixing pin of the connecting member are formed at both ends, and the interval between the fixing pins at both ends is formed to be shorter than the interval between the seating grooves of the fastening part assembled at both sides of the connecting member so that the elastic pieces of the fastening part are accommodated in both unit blocks. Prefabricated block toys, characterized in that each elastic compression in the groove.

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