JP2019503267A - Building block and assembly structure thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a building block and its assembly structure. A building block and its assembly structure, wherein one surface of the building block is a first connection surface (1), the other surface is a second connection surface (2), and the first connection surface (1). A convex portion (12) and a concave portion (11) are provided on the second connecting surface (2), and a concave portion (11) is provided on the second connecting surface (2), on the first connecting surface (1) and the second connecting surface. These recesses (11) can be inserted into each other. According to the above structure and its extension, at least the building blocks can be divided into six types, which are different in structure. The building block and its assembly structure are widely applied, are interesting, and are easily spread and used. [Selection] Figure 1

Description

  The present invention relates to a building block technical field, and more particularly to a building block and an assembly structure thereof.

  A building block is usually a solid wooden or plastic solid toy, generally with letters and pictures on each side, allowing different arrangements or construction activities. There are various models of building blocks, which can be combined as buildings, various animals, etc., and can promote children's brain development.

  Building blocks promote intellectual development and train children's hand-eye coordination skills, and the arrangement, connectivity, ring shape, symmetry, etc. within building blocks have advantages for children's intelligence. When combining building blocks, children range in proportion, symmetry, etc., which is advantageous for early development of children's mathematical concepts.

  The building block is advantageous for the child's imagination, and it is advantageous for the development of the child's imagination and creativity by jointly constructing a structure by using various types of building blocks.

  The building blocks in the prior art have disadvantages such as a single combination method and low interest. The present invention is designed to solve this technical problem.

  The problem to be solved by the present invention is to provide a building block having a variety of combination methods and good fun and its assembly structure.

  In order to solve the above technical problem, an embodiment of the present invention provides a building block, one surface is a first connection surface, the other surface is a second connection surface, and is convex to the first connection surface. And a concave portion on the second connecting surface, and the convex portion, the first connecting surface, and the concave portion on the second connecting surface can be inserted into each other.

Preferably, the building block includes a first type building block, is a regular hexahedron structure, is divided into one first connecting surface and five second connecting surfaces, and is on two diagonal lines of the first connecting surface. A first type convex portion is provided, and a first type concave portion is provided on another two diagonal lines;
Four first-type recesses are uniformly distributed on each of the second connection surfaces;
The first type convex portion and the first connecting surface and the first type concave portion on the second connecting surface can be inserted into each other;
A first type insertion hole is provided on each of the four corners of the first type recess.

  The building block further includes a second type building block, has a regular hexahedron structure, is divided into one first connecting surface and five second connecting surfaces, and the first and second connecting surfaces are the first type building blocks. Compared to the first and second connecting surfaces of the block, a circular through hole is added at the center.

  The building block further includes a third type building block, has a regular hexahedron structure, and is divided into one first connecting surface and five second connecting surfaces, and the first connecting surface is the first type building block. Compared to the first connecting surface, one first type insertion hole is added to the four corners of the first type convex portion, and the second connecting surface is the same as the second connecting surface of the first type building block.

The building block further includes a fourth-type building block, has a regular hexahedron structure, is divided into one first connecting surface and five second connecting surfaces, and the fourth on the two diagonal lines of the first connecting surface. A seed convex part is provided, and a fourth type concave part is provided on another two diagonal lines;
Four fourth type recesses are uniformly distributed on each said second connecting surface;
The fourth type convex part and the fourth type concave part on the first connecting surface and the second connecting surface can be inserted into each other;
The fourth type convex portion and the first type insertion hole can be inserted into each other.

The building block further includes a fifth type building block, has a regular hexahedron structure, is divided into one first connecting surface and five second connecting surfaces, and the first and second connecting surfaces are the fourth type building blocks. Compared to the first and second connecting surfaces of the block, a fifth type recess is added at the center;
The fifth type concave portion and the first type convex portion can be inserted into each other.

The building block further includes a sixth type building block, has a regular hexahedron structure, is divided into one first connecting surface and five second connecting surfaces, and the first and second connecting surfaces are the fourth type building blocks. Compared to the first and second connecting surfaces of the block, a sixth-type through hole is added in the center;
The sixth type through hole and the first type convex portion can be inserted into each other.

The embodiment of the present invention provides an assembly structure of the building blocks, and includes the following several types.
Assembly structure 1: The first connection block of any one of the first type building blocks, the second type building blocks, and the third type building blocks is completely overlapped with the second connection surface of another building block. The first type convex part on the first connecting surface and the first type concave part on the second connecting surface are inserted;
Assembly structure 2: The first connecting surface of any one of the first type building blocks, the second type building blocks and the third type building blocks is completely overlapped with the first connecting surface of another building block. The first type convex part and the first type concave part on the two first connecting surfaces are correspondingly inserted;
Assembly structure three: any one of the first kind building blocks, the second kind building blocks, and the third kind building blocks are placed in parallel, and the first kind on the two adjacent and non-identical building blocks The two first-type convex portions on the first connecting surface of the other building blocks corresponding to the concave portions are inserted correspondingly;
Assembly structure four: Six connection surfaces of any one of the first type building block, the second type building block, and the third type building block are simultaneously connected to the first type building block, the second type building block, and It can be inserted corresponding to any six building blocks of the third kind building blocks.

The building block assembly structure further includes the following several types.
Assembly structure 5: The first connection surface of any one of the 4th type building blocks, the 5th type building blocks, and the 6th type building blocks is completely overlapped with the second connection surface of another building block. The fourth type convex part on the first connecting surface and the fourth type concave part on the second connecting surface are inserted;
Assembly structure 6: The first connection surface of any one of the fourth type building block, the fifth type building block and the sixth type building block is completely overlapped with the first connection surface of another building block. The fourth type convex part and the fourth type concave part on the two first connecting surfaces are inserted correspondingly;
Assembly structure 7: The fourth kind on the two adjacent and non-identical building blocks in which any two of the fourth kind building blocks, the fifth kind building blocks and the sixth kind building blocks are placed in parallel. Two concave portions and two fourth-type convex portions on the first connecting surface of the other building blocks are inserted correspondingly;
Assembling structure 8: Six connection blocks of any one of the 4th type building block, the 5th type building block and the 6th type building block are the 4th type building block, the 5th type building block, and It can be inserted corresponding to any six building blocks of the sixth type building blocks.

The building block assembly structure further includes the following several types.
Assembly structure 9: Two fourth-type convex portions and first-type building blocks on the first connection surface of any one of the fourth-type building blocks, the fifth-type building blocks, and the sixth-type building blocks The first type insertion hole provided on any two of the connecting surfaces of any one of the blocks, the second type building blocks and the third type building blocks is a fit. Match;
Assembly structure 10: Any one of the first-type building blocks, the second-type building blocks, and the third-type building blocks is placed in parallel, on the diagonal line on two adjacent and non-identical building blocks The first type insertion hole and the two fourth type convex portions on the first connection surface of any one of the fourth type building block, the fifth type building block, and the sixth type building block. Is a fit;
Assembly structure 11: Any one of the fifth type building blocks, the fifth type recess on the second connecting surface, the first type building blocks, the second type building blocks, and the third type building blocks. One 1st type convex part on the 1st connection surface of a block block is fitting;
Assembling structure 12: The fifth type concave portion on the first connection surface of the fifth type building block and the one first type convex portion on the first connection surface of the third type building block are fitted to each other;
Assembly structure 13: any one of the sixth-type building blocks, the sixth-type through hole on the second connecting surface, the first-type building blocks, the second-type building blocks, and the third-type building blocks One 1st type convex part on the 1st connection surface of one block block is fitting;
Assembly structure 14: The sixth type through hole on the first connection surface of the sixth type building block and the one first type convex portion on the first connection surface of the third type building block are fitted together.

  The building block and the assembly structure thereof according to the present invention are widely applied, are interesting, and are easily spread and used.

  Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and specific examples, but the present invention is not limited thereto.

It is a schematic diagram which shows the structure of the 1st type building block in this invention. It is a schematic diagram which shows the structure of the 2nd type building block in this invention. It is a schematic diagram which shows the structure of the 3rd type building block in this invention. It is a schematic diagram which shows the structure of the 4th type building block in this invention. It is a schematic diagram which shows the structure of the 5th type building block in this invention. It is a schematic diagram which shows the structure of the 6th kind building block in this invention. It is a schematic diagram which shows the structure of the assembly structure 1 in this invention. It is a schematic diagram which shows the structure of the assembly structure 2 in this invention. It is a schematic diagram which shows the structure of the assembly structure 3 in this invention. It is a schematic diagram which shows the structure of the assembly structure 4 in this invention. It is a schematic diagram which shows the structure of the assembly structure 5 in this invention. It is a schematic diagram which shows the structure of the assembly structure 6 in this invention. It is a schematic diagram which shows the structure of the assembly structure 7 in this invention. It is a schematic diagram which shows the structure of the assembly structure 8 in this invention. It is a schematic diagram which shows the structure of the assembly structure 9 in this invention. It is a schematic diagram which shows the structure of the assembly structure 10 in this invention. It is a schematic diagram which shows the structure of the assembly structure 11 in this invention. It is a schematic diagram which shows the structure of the assembly structure 12 in this invention. It is a schematic diagram which shows the structure of the assembly structure 13 in this invention. It is a schematic diagram which shows the structure of the assembly structure 14 in this invention. The building block in this invention is a schematic diagram which shows the structure in the case of an equilateral triangular prism. The building block in this invention is a schematic diagram which shows the structure in the case of a right-angled isosceles triangular prism. The building block in this invention is a schematic diagram which shows the structure in the case of a rectangular parallelepiped. The building block in the present invention is a schematic diagram showing the structure in the case of a right triangular prism recessed inward. The building block in this invention is a schematic diagram which shows the structure in the case of a quarter cylinder. The building block in this invention is a schematic diagram which shows the structure in the case of an L-shaped plate. The building block in this invention is a schematic diagram which shows the structure in the case of a straight plate. The building block in this invention is a schematic diagram which shows the structure in the case of a hemisphere. The building block in this invention is a schematic diagram which shows the structure in the case of one baseplate. The building block in this invention is a schematic diagram which shows the structure in the case of the baseplate 2. The building block in this invention is a schematic diagram which shows the structure in the case of one joint. The building block in this invention is a schematic diagram which shows the structure in the case of the joint two. The building block in this invention is a schematic diagram which shows the structure in the case of an axle. The building block in this invention is a schematic diagram which shows the structure in the case of a rotation member. The building block in this invention is a schematic diagram which shows the structure in the case of one wheel. The building block in this invention is a schematic diagram which shows the structure in the case of two wheels.

  The technical means of the present invention will be described in detail below in combination with the accompanying drawings and specific examples in order to further understand the objects, means and effects of the present invention. It does not limit the scope of protection of the range.

  The present invention provides a building block and its assembly structure for problems such as a single conventional combination system and low interest.

  An embodiment of the present invention provides a building block, wherein one surface is a first connecting surface, the other surface is a second connecting surface, a convex portion and a concave portion are provided on the first connecting surface, and the first A concave portion is provided on the two connecting surfaces, and the convex portion and the concave portions on the first connecting surface and the second connecting surface can be inserted into each other.

The first type building block shown in FIG. 1 has a regular hexahedron structure, is divided into one first connecting surface 1 and five second connecting surfaces 2, and the first connecting blocks 1 are arranged on two diagonal lines of the first connecting surface 1. A seed convex part 12 is provided, and a first type concave part 11 is provided on another two diagonal lines;
Four first-type recesses 11 are uniformly distributed on each of the second connection surfaces 2;
The first type convex portion 12 and the first type concave portion 11 on the first connecting surface 1 and the second connecting surface 2 can be inserted into each other;
First type insertion holes 111 are provided on the four corners of each of the first type recesses 11.

  The second type building block shown in FIG. 2 has a regular hexahedron structure and is divided into one first connecting surface 1 and five second connecting surfaces 2, and the first and second connecting surfaces are the first type building blocks. Compared to the first and second connection surfaces, a circular through hole 13 is added at the center.

  The third type building block shown in FIG. 3 has a regular hexahedron structure and is divided into one first connecting surface 1 and five second connecting surfaces 5, and the first connecting surface is the first of the first type building blocks. Compared to the connection surface, one first-type insertion hole 111 is added to the four corners of the first-type convex portion 12, and the second connection surface is the same as the second connection surface of the first-type building block.

The fourth type building block shown in FIG. 4 has a regular hexahedron structure, and is divided into one first connecting surface 1 and five second connecting surfaces 2, and the fourth type on the two diagonal lines of the first connecting surface. A convex portion 14 is provided, and a fourth type concave portion 15 is provided on another two diagonal lines;
Four fourth-type recesses 15 are uniformly distributed on each of the second connecting surfaces;
The fourth type convex part 14 and the fourth type concave part 15 on the first connecting surface and the second connecting surface can both be inserted into each other;
The fourth type convex portion 14 and the first type insertion hole 111 can be inserted into each other.

The fifth type building block shown in FIG. 5 has a regular hexahedron structure, and is divided into one first connecting surface 1 and five second connecting surfaces 2, and the first and second connecting surfaces are the fourth type building blocks. Compared to the first and second connecting surfaces, the fifth type recess 16 is added at the center;
The fifth type concave portion 16 and the first type convex portion 12 can be inserted into each other.

The sixth type building block shown in FIG. 6 has a regular hexahedron structure and is divided into one first connecting surface 1 and five second connecting surfaces 2, and the first and second connecting surfaces are the fourth type building blocks. Compared to the first and second connecting surfaces, a sixth type through hole 17 is added in the center;
The sixth type through hole 17 and the first type convex portion 12 can be inserted into each other.

  The embodiment of the present invention provides an assembly structure of building blocks, and includes the following several types.

  Assembling structure 1 shown in FIG. 7: any one of the first type building block, the second type building block, and the third type building block, the first connecting surface of the building block and the second connecting surface of another building block are The first type convex part on the first connecting surface and the first type concave part on the second connecting surface are inserted completely.

  Assembling structure 2 shown in FIG. 8: any one of the first type building block, the second type building block, and the third type building block, the first connecting surface of the building block and the first connecting surface of another building block are The first type convex part and the first type concave part on the two first coupling surfaces are inserted correspondingly.

  Assembling structure 3 shown in FIG. 9: Any two of the first-type building blocks, the second-type building blocks, and the third-type building blocks are placed in parallel, on two adjacent and non-identical building blocks The first type concave part and the two first type convex parts on the first connecting surface of another building block are inserted correspondingly.

  Assembling structure 4 shown in FIG. 10: The six connection surfaces of any one of the first type building block, the second type building block, and the third type building block are the first type building block and the second type building block. It can be inserted corresponding to any six building blocks of the seed building blocks and the third kind building blocks.

  Assembling structure 5 shown in FIG. 11: any one of the 4th type building block, the 5th type building block, and the 6th type building block, the first connecting surface of the building block and the second connecting surface of another building block are The fourth type convex part on the first connecting surface and the fourth type concave part on the second connecting surface are inserted completely.

  Assembling structure 6 shown in FIG. 12: any one of the 4th type building block, the 5th type building block, and the 6th type building block, the first connecting surface of the building block and the first connecting surface of another building block are The fourth type convex part and the fourth type concave part on the two first connecting surfaces are inserted correspondingly.

  Assembling structure 7 shown in FIG. 13: Any two of the 4th type building blocks, the 5th type building blocks, and the 6th type building blocks are placed in parallel, on two adjacent and non-identical building blocks The fourth type concave portions and the two fourth type convex portions on the first connecting surface of another building block are inserted correspondingly.

  Assembling structure 8 shown in FIG. 14: Six connection surfaces of any one of the fourth-type building blocks, the fifth-type building blocks, and the sixth-type building blocks are the fourth-type building blocks, the fifth-type building blocks, It can be inserted corresponding to any six building blocks of the seed building blocks and the sixth kind building blocks.

  Assembling structure 9 shown in FIGS. 15A, 15B, 15C, and 15D: any one of the 4th type building blocks, the 5th type building blocks, and the 6th type building blocks Of the two fourth-type convex portions on the first connection surface and any one of the first-type building blocks, the second-type building blocks, and the third-type building blocks on the connection surface Any two of the first type insertion holes provided on the diagonal line are fitted.

  Assembling structure 10 shown in FIG. 16: Any two of the first-type building blocks, the second-type building blocks, and the third-type building blocks are placed in parallel, on two adjacent and non-identical building blocks 1st type insertion hole provided on the diagonal line of the 4th type building block, the 5th type building block, and the 6th type building block. The four types of protrusions fit together.

  FIG. 17 shows an assembly structure 11: any one of the fifth-type building blocks, the fifth-type recess on the second connection surface, the first-type building blocks, the second-type building blocks, and the third-type building blocks. One of the blocks fits with one first-type convex portion on the first connection surface of the building block.

  Assembling structure 12 shown in FIG. 18: The fifth type concave portion on the first connecting surface of the fifth type building block and the one first type convex portion on the first connecting surface of the third type building block fit together. .

  FIG. 19 shows an assembly structure 13: any one of the sixth-type building blocks, the sixth-type through hole on the second connecting surface, the first-type building blocks, the second-type building blocks, and the third-type building blocks. The one first-type convex portion on the first connection surface of any one of the building blocks fits.

  Assembling structure 14 shown in FIG. 20: The sixth type through hole on the first connection surface of the sixth type building block and the one first type convex portion on the first connection surface of the third type building block are: Fit together.

  In addition to the regular hexahedron structure described above, the building block of the present embodiment has an isosceles triangular prism (FIG. 21), a right-angled isosceles triangular prism (FIGS. 22a and 22b), a rectangular parallelepiped (FIG. 23), and an inward recess Right-angled triangular prism (FIG. 24), quarter cylinder (FIGS. 25a and 25b), L-shaped plate (FIG. 26), straight plate (FIG. 27), hemisphere (FIGS. 28a and 28b), bottom plate ( 29), bottom plate 2 (FIGS. 30a and 30b), joint 1 (FIG. 31), joint 2 (FIG. 32), axle (FIGS. 33a and 33b), rotating member (FIGS. 34a and 34b), wheel 1 (FIG. 35) The wheel can be changed to the second wheel (FIG. 36). You can also add a variety of accessories that combine on this foundation.

  Of course, in a specific situation, one convex part or a plurality of convex parts may be provided on the first connecting surface, and one concave part or a plurality of concave parts may be provided on the second connecting surface.

  Of course, the present invention has various other embodiments, and any person who is familiar with the technology can make various changes and modifications within the spirit and scope of the present invention. Such variations and modifications belong to the protection scope of the claims attached to the present invention.

  The building block and the assembly structure thereof according to the present invention are widely applied, are interesting, and are easily spread and used.

DESCRIPTION OF SYMBOLS 1 1st connection surface 11 1st kind recessed part 111 1st kind insertion hole 12 1st kind convex part 13 Circular through hole 14 4th kind convex part 15 4th kind recessed part 16 5th kind recessed part 17 6th kind through hole 2 1st 2 connecting surfaces

Claims (10)

  One surface is a first connecting surface, the other surface is a second connecting surface, a convex portion and a concave portion are provided on the first connecting surface, a concave portion is provided on the second connecting surface, and the convex portion and the The building block, wherein the first connecting surface and the recess on the second connecting surface can be inserted into each other. It includes a first type building block, has a regular hexahedron structure, is divided into one first connection surface and five second connection surfaces, and a first type convex portion is provided on two diagonal lines of the first connection surface. The first type recesses are provided on two other diagonal lines;
The four first type recesses are uniformly distributed on each of the second connection surfaces;
The first type convex portion and the first type concave portion on the first connecting surface and the second connecting surface can all be inserted into each other;
2. The building block according to claim 1, wherein first-type insertion holes are provided on four corners of each of the first-type recesses.   Further comprising a second type building block, which is a regular hexahedron structure, divided into one first connecting surface and five second connecting surfaces, wherein the first and second connecting surfaces are the first of the first type building blocks. 3. The building block according to claim 2, wherein a circular through hole is added at a central portion as compared with the first and second connection surfaces.   Further comprising a third type building block, which is a regular hexahedron structure, divided into one first connecting surface and five second connecting surfaces, the first connecting surface being the first connecting surface of the first type building block. Compared to the above, one type 1 insertion hole is added to the four corners of the first type convex portion, and the second connection surface is the same as the second connection surface of the first type building block. The building block according to claim 2. It further includes a fourth type building block, has a regular hexahedron structure, is divided into one first connecting surface and five second connecting surfaces, and a fourth type convex portion is provided on two diagonal lines of the first connecting surface. A fourth type recess is provided on another two diagonals;
Four of the fourth type recesses are uniformly distributed on each of the second connecting surfaces;
The fourth type convex part and the fourth type concave part on the first connecting surface and the second connecting surface can all be inserted into each other;
The building block according to claim 2, wherein the fourth type convex portion and the first type insertion hole can be inserted into each other. It further comprises a fifth-type building block, has a regular hexahedron structure, is divided into one first connecting surface and five second connecting surfaces, and the first and second connecting surfaces are the first of the fourth-type building blocks. Compared with the first and second connection surfaces, a fifth type recess is added in the center;
The building block according to claim 5, wherein the fifth type concave portion and the first type convex portion can be inserted into each other. It further comprises a sixth type building block, has a regular hexahedron structure, and is divided into one first connecting surface and five second connecting surfaces, and the first and second connecting surfaces are the first type of the fourth type building block. Compared to the first and second connection surfaces, a sixth-type through hole is added at the center;
The building block according to claim 5, wherein the sixth type through hole and the first type convex portion can be inserted into each other. Includes the following types:
Assembly structure 1: The first connection block of any one of the first type building blocks, the second type building blocks, and the third type building blocks is completely overlapped with the second connection surface of another building block. The first type convex part on the first connecting surface and the first type concave part on the second connecting surface are inserted;
Assembly structure 2: The first connecting surface of any one of the first type building blocks, the second type building blocks and the third type building blocks is completely overlapped with the first connecting surface of another building block. The first type convex portion and the first type concave portion on the two first connection surfaces are correspondingly inserted;
Assembly structure three: any one of the first kind building blocks, the second kind building blocks, and the third kind building blocks are placed in parallel, and the first kind on the two adjacent and non-identical building blocks The two first-type convex portions on the first connecting surface of the other building blocks corresponding to the concave portions are inserted correspondingly;
Assembly structure 4: Six connection surfaces of any one of the first type building block, the second type building block, and the third type building block are simultaneously the first type building block and the second type building block. It can be inserted corresponding to any six building blocks of the block and the third kind building blocks,
The assembly structure of a building block according to any one of claims 2 to 7, wherein It further includes the following types:
Assembly structure 5: The first connection surface of any one of the 4th type building blocks, the 5th type building blocks, and the 6th type building blocks is completely overlapped with the second connection surface of another building block. The fourth type convex portion on the first connecting surface and the fourth type concave portion on the second connecting surface are inserted;
Assembly structure 6: The first connection surface of any one of the fourth type building block, the fifth type building block and the sixth type building block is completely overlapped with the first connection surface of another building block. The second type convex part and the fourth type concave part on the two first connecting surfaces are correspondingly inserted;
Assembly structure 7: The fourth kind on the two adjacent and non-identical building blocks in which any two of the fourth kind building blocks, the fifth kind building blocks and the sixth kind building blocks are placed in parallel. Two concave portions and two fourth-type convex portions on the first connecting surface of the other building blocks are inserted correspondingly;
Assembly structure 8: Six connection blocks of any one of the fourth type building block, the fifth type building block and the sixth type building block are simultaneously the fourth type building block and the fifth type building block. It can be inserted corresponding to any six building blocks of the block and the sixth type building block,
The building block assembly structure according to claim 8. It further includes the following types:
Assembly structure 9: Two fourth-type convex portions and first-type building blocks on the first connection surface of any one of the fourth-type building blocks, the fifth-type building blocks, and the sixth-type building blocks The first type insertion hole provided on any two of the connecting surfaces of any one of the blocks, the second type building blocks and the third type building blocks is a fit. Match;
Assembly structure 10: Any one of the first-type building blocks, the second-type building blocks, and the third-type building blocks is placed in parallel, on the diagonal line on two adjacent and non-identical building blocks The first type insertion hole and the two fourth type convex portions on the first connection surface of any one of the fourth type building block, the fifth type building block, and the sixth type building block. Is a fit;
Assembly structure 11: Any one of the fifth type building blocks, the fifth type recess on the second connecting surface, the first type building blocks, the second type building blocks, and the third type building blocks. One 1st type convex part on the 1st connection surface of a block block is fitting;
Assembling structure 12: The fifth type concave portion on the first connection surface of the fifth type building block and the one first type convex portion on the first connection surface of the third type building block are fitted to each other;
Assembly structure 13: any one of the sixth-type building blocks, the sixth-type through hole on the second connecting surface, the first-type building blocks, the second-type building blocks, and the third-type building blocks One 1st type convex part on the 1st connection surface of one block block is fitting;
Assembly structure 14: The sixth type through hole on the first connection surface of the sixth type building block and the one first type convex portion on the first connection surface of the third type building block fit together.
The building block assembly structure according to claim 8.

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