Building block

Abstract

The utility model provides a building block which comprises a building block body, the building block body is formed by mutually connecting a plurality of side walls, crossed corners are formed at the connecting positions of the adjacent side walls, inner enclosure walls and stop columns are arranged at the crossed corners, compartments are formed by the inner enclosure walls and the side walls in a surrounding mode, and the stop columns are located in the compartments. The inner enclosure bulkhead and the backstop column are integrally formed and designed; the magnets, the inner surrounding wall and the stopping columns are used for stopping the magnets at the crossed corners. By means of the structure, the building modes and playing methods of the magnetic building blocks are greatly enriched, children can be helped to build more shapes, various pattern combinations can be built in combination with the surface patterns of the magnetic building blocks, the interest of the children in building the shapes is greatly improved, and development of imagination of the children is facilitated. In addition, due to the fact that the inner enclosure bulkhead and the stopping columns are integrally formed, in the manufacturing process, the production technological process of the inner enclosure bulkhead and the stopping columns is simplified, the production cost is reduced, the assembling process of the building block body is reduced, and the production efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the building block field, especially a building block. BACKGROUND

[0002] 3D magnetic intelligence building block is the toy that is increasingly popular in recent years, can be used to form the solid modeling, helps the development child imagination. The current market has the magnetic building block, and the stacking angle is single, and the magnetic building block can only be stacked on the same axis, and the play is single, and more connection modes cannot be realized, such as the design and building of staggered modeling, which greatly affects the interest of children in building modeling.

[0003] A kind of magnetic building block with multiple stacking angles, multiple connection modes and rich play appears on the market, but due to the complexity of building block main body and internal structure, the processing is complicated and the production cost is high in the production process, therefore, a kind of magnetic building block is needed, so that the production process of building block is more simplified, the production cost is reduced, the complexity in assembly process is reduced, and the experience of user is improved. SUMMARY

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a building block, so that the production process of building block is more simplified, the production cost is reduced, the complexity in assembly process is reduced, and the experience of user is improved.

[0005] The technical scheme adopted by the utility model to solve its technical problems is:

[0006] The utility model provides a building block, which comprises:

[0007] The building block main body is formed by connecting a plurality of side walls, and the intersection corner is formed between the adjacent side walls, the inner wall and the stop column are arranged at the intersection corner, the inner wall and the side wall form a compartment, the stop column is located in the compartment, and the inner wall and the stop column are designed in one piece;

[0008] The magnet is stopped in the intersection corner by the inner wall and the stop column.

[0009] The utility model discloses a beneficial effect is: the utility model provides a building block, including building block main part, and the building block main part is formed by the interconnection of a plurality of side walls, and the connecting place between adjacent side walls forms the cross corner, and the cross corner is provided with the inner wall and the stop column, and the inner wall and the stop column are integrally formed design, and the inner wall and the stop column are used to stop the magnet in the cross corner. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be to the drawing used in the embodiment description needed to make a brief introduction, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0011] The utility model is further illustrated below in connection with the drawings and examples.

[0012] Figure 1 It is the overall structure schematic diagram of the utility model;

[0013] Figure 2 It is the section view of the utility model along the stop column;

[0014] Figure 3 It is the explosion drawing of the utility model;

[0015] Figure 4 It is another explosion drawing of the utility model;

[0016] Figure 5 It is another perspective of the explosion drawing of the utility model;

[0017] Figure 6This is another cross-sectional view of the utility model taken along the stop post;

[0018] Figure 7 It is a cross-sectional view of the utility model cut along the first stop column and the second stop column;

[0019] Figure 8 It is a cross-sectional view of the utility model cut along the third stop column and the fourth stop column. DETAILED DESCRIPTION

[0020] refer to Figures 1 to 8 , a building block comprising:

[0021] The building block body 10 is formed by connecting a plurality of side walls 1 to each other. The connection between adjacent side walls 1 forms an intersection corner 2. An inner wall 3 and a stop post 4 are provided at the intersection corner 2. The inner wall 3 and the side walls 1 surround a compartment 5. The stop post 4 is located in the compartment 5. The inner wall 3 and the stop post 4 are integrally formed.

[0022] The magnet 6 , the inner wall 3 and the stop post 4 are used to stop the magnet 6 at the intersection corner 2 .

[0023] According to the above structure, since the main block 10 is formed by interconnecting a plurality of side walls 1, the connection between adjacent side walls 1 forms an intersection corner 2, and a compartment 5 is provided at the intersection corner 2, and a magnet 6 is provided in the compartment 5, so that the magnetic blocks can be attracted to each other by the magnet 6 provided in the compartment 5 at the intersection corner 2, so that the magnetic blocks can be connected to each other at the intersection corner 2, thereby realizing a staggered connection between the magnetic blocks, thereby realizing the design and construction of staggered shapes. Compared with the magnetic blocks in the prior art that can only be stacked on the same axis, the construction and play methods of the magnetic blocks are greatly enriched, which can help children build more shapes, and can be combined with the surface patterns of the magnetic blocks to build a variety of pattern combinations, greatly increasing children's interest in building shapes and helping to develop children's imagination. In addition, since the inner wall 3 and the stop column 4 are integrally formed, the production process of the inner wall 3 and the stop column 4 is simplified during the manufacturing process, reducing production costs, and reducing the assembly process of the main block 10, greatly improving production efficiency.

[0024] In the embodiment, the plurality of side walls 1 include a circumferential wall group 11, an upper side wall 12 and a lower side wall 13 connected in sequence, the upper side of the circumferential wall group 11 is connected with the upper side wall 12, the lower side of the circumferential wall group 11 is connected with the lower side wall 13, the circumferential wall group 11, the upper side wall 12 and the lower side wall 13 jointly surround to form the first chamber 14, and the circumferential wall group 11, the inner wall 3 and the stop column 4 are integrally formed. Through the above structure, the building block main body 10 is surrounded by the circumferential wall group 11, the upper side wall 12 and the lower side wall 13 to form a complete building block, and each building block can be stacked by the contact between the side walls 1. Further, since the circumferential wall group 11, the inner wall 3 and the stop column 4 are integrally formed, the circumferential wall, the inner wall 3 and the stop column 4 can be formed and manufactured at one time in the production process, the use of molds and the assembly process of the building blocks are reduced, and the production efficiency is greatly improved.

[0025] In the embodiment, the upper side wall 12 is connected with the circumferential wall group 11 by ultrasonic welding, and the lower side wall 13 is connected with the circumferential wall group 11 by ultrasonic welding. Through the above structure, when the circumferential wall group 11, the inner wall 3 and the stop column 4 are integrally formed and processed, the upper side wall 12 and the lower side wall 13 are respectively welded to the upper side and the lower side of the circumferential wall group 11 by ultrasonic welding, so as to realize the complete assembly of the building block main body 10. The ultrasonic welding technology is energy-saving and environmentally friendly, has high efficiency and low cost, and the upper side wall 12 and the lower side wall 13 are welded on the upper and lower sides of the circumferential wall by the ultrasonic welding technology, which not only ensures the stability of the structure of the building block main body 10, but also maintains the aesthetics of the building block main body 10, has good airtightness, prevents the magnet 6 from being damp and rusted in the building block, and improves the service life of the building block product.

[0026] In the embodiment, the inner wall 3 includes a first surrounding edge 301 and a second surrounding edge 302 connected with two adjacent side walls 1 respectively, the first surrounding edge 301 is connected with the second surrounding edge 302 and forms an included angle 303, the stop column 4 is connected with the inner wall 3 through the connecting arm 7, and the connecting arm 7 is connected at the included angle 303. Specifically, the connecting arm 7 is located at the middle position of the included angle 303. Through the above structure, since the stop column 4 is connected with the inner wall 3 through the connecting arm 7 and located at the middle position of the included angle 303, the stop column 4 can be placed at the middle position of the compartment 5, so as to better realize the stop or support of the magnet 6, not only make the building block structure stable, but also bring a more beautiful appearance. Compared with the connecting column 304 or other connecting structures, the connecting arm 7 is more solid and stable.

[0027] In the embodiment, the inner surrounding wall 3 further comprises a connecting column 304 arranged between the first surrounding edge 301 and the second surrounding edge 302, and the connecting arm 7 is connected with the connecting column 304. Through the above structure, the connecting arm 7 can be connected with the inner surrounding wall 3 in a better connecting mode through the arrangement of the connecting column 304 structure, and the mold for production is facilitated, and the production and manufacturing difficulty is reduced.

[0028] Further, the connecting column 304 is provided with a mounting through hole 3041, the inner side of the upper side wall 12 connected with the circumferential surrounding wall group 11 is provided with an upper mounting column 1201, the upper mounting column 1201 is matched and inserted with the mounting through hole 3041 when the upper side wall 12 is connected with the circumferential surrounding wall group 11; the inner side of the lower side wall 13 connected with the circumferential surrounding wall group 11 is provided with a lower mounting column 1301, the lower mounting column 1301 is matched and inserted with the mounting through hole 3041 when the lower side wall 13 is connected with the circumferential surrounding wall group 11. In other embodiments, the mounting through hole 3041 of the connecting column 304 is not communicated in the middle, but the opposite sides of the connecting column 304 are both provided with mounting grooves. In the embodiment, since the connecting column 304 is provided with the mounting through hole 3041, when the upper side wall 12 and the lower side wall 13 are connected with the circumferential surrounding wall group 11, not only the positioning effect can be achieved, but also the connection stability of the upper side wall 12 and the lower side wall 13 with the circumferential surrounding wall group 11 can be ensured.

[0029] As shown in Figures 4-8 In the embodiment, the building block main body 10 is a square building block main body 10, the circumferential surrounding wall group 11 comprises a front side wall 111, a rear side wall 112, a left side wall 113 and a right side wall 114, the right side of the front side wall 111 is connected with the right side wall 114, the upper sides of the front side wall 111 and the right side wall 114 are both connected with the upper side wall 12, and the lower sides of the front side wall 111 and the right side wall 114 are both connected with the lower side wall 13; the left side of the front side wall 111 is connected with the left side wall 113, the upper sides of the front side wall 111 and the left side wall 113 are both connected with the upper side wall 12, and the lower sides of the front side wall 111 and the left side wall 113 are both connected with the lower side wall 13; the right side of the rear side wall 112 is connected with the right side wall 114, the upper sides of the rear side wall 112 and the right side wall 114 are both connected with the upper side wall 12, and the lower sides of the rear side wall 112 and the right side wall 114 are both connected with the lower side wall 13; the left side of the rear side wall 112 is connected with the left side wall 113, the upper sides of the rear side wall 112 and the left side wall 113 are both connected with the upper side wall 12, and the lower sides of the rear side wall 112 and the left side wall 113 are both connected with the lower side wall 13.

[0030] Further, the inner wall 3 comprises a first inner wall 31, a second inner wall 32, a third inner wall 33, and a fourth inner wall 34, and the compartment 5 comprises a first compartment 51, a second compartment 52, a third compartment 53, and a fourth compartment 54; the first inner wall 31 is connected with the inner surfaces of the front wall 111, the left wall 113, the upper wall 12, and the lower wall 13, and jointly surrounds the first compartment 51; the second inner wall 32 is connected with the inner surfaces of the front wall 111, the right wall 114, the upper wall 12, and the lower wall 13, and jointly surrounds the second compartment 52; the third inner wall 33 is connected with the inner surfaces of the back wall 112, the left wall 113, the upper wall 12, and the lower wall 13, and jointly surrounds the third compartment 53; and the fourth inner wall 34 is connected with the inner surfaces of the back wall 112, the right wall 114, the upper wall 12, and the lower wall 13, and jointly surrounds the fourth compartment 54.

[0031] Further, the stop column 4 comprises a first stop column 41, a second stop column 42, a third stop column 43, and a fourth stop column 44; the first stop column 41 is located in the first compartment 51, the second stop column 42 is located in the second compartment 52, the third stop column 43 is located in the third compartment 53, and the fourth stop column 44 is located in the fourth compartment 54.

[0032] Further, the cross corner 2 comprises a first cross corner unit 21 arranged at the connection between the front wall 111, the left wall 113, and the upper wall 12, a second cross corner unit 22 arranged at the connection between the front wall 111, the left wall 113, and the lower wall 13, a third cross corner unit 23 arranged at the connection between the front wall 111, the right wall 114, and the upper wall 12, a fourth cross corner unit 24 arranged at the connection between the front wall 111, the right wall 114, and the lower wall 13, a fifth cross corner unit 25 arranged at the connection between the back wall 112, the left wall 113, and the upper wall 12, a sixth cross corner unit 26 arranged at the connection between the back wall 112, the left wall 113, and the lower wall 13, a seventh cross corner unit 27 arranged at the connection between the back wall 112, the right wall 114, and the upper wall 12, and an eighth cross corner unit 28 arranged at the connection between the back wall 112, the right wall 114, and the lower wall 13.

[0033] Further, the first compartment 51 comprises a first upper compartment unit 511 arranged at the first cross corner unit 21 and a first lower compartment unit 512 arranged at the second cross corner unit 22; the second compartment 52 comprises a second upper compartment unit 521 arranged at the third cross corner unit 23 and a second lower compartment unit 522 arranged at the fourth cross corner unit 24; the third compartment 53 comprises a third upper compartment unit 531 arranged at the fifth cross corner unit 25 and a third lower compartment unit 532 arranged at the sixth cross corner unit 26; the fourth compartment 54 comprises a fourth upper compartment unit 541 arranged at the seventh cross corner unit 27 and a fourth lower compartment unit 542 arranged at the eighth cross corner unit 28.

[0034] Further, the magnet 6 comprises a first magnet unit 61 arranged at the first upper compartment unit 511, a second magnet unit 62 arranged at the first lower compartment unit 512, a third magnet unit 63 arranged at the second upper compartment unit 521, a fourth magnet unit 64 arranged at the second lower compartment unit 522, a fifth magnet unit 65 arranged at the third upper compartment unit 531, a sixth magnet unit 66 arranged at the third lower compartment unit 532, a seventh magnet unit 67 arranged at the fourth upper compartment unit 541, and an eighth magnet unit 68 arranged at the fourth lower compartment unit 542.

[0035] Further, the upper side of the first stop column 41, the first inner surrounding wall 31 and the upper side wall 12 stop the first magnet unit 61 in the first upper compartment unit 511, the lower side of the first stop column 41, the first inner surrounding wall 31 and the lower side wall 13 stop the second magnet unit 62 in the first lower compartment unit 512, the upper side of the second stop column 42, the second inner surrounding wall 32 and the upper side wall 12 stop the third magnet unit 63 in the second upper compartment unit 521, the lower side of the second stop column 42, the second inner surrounding wall 32 and the lower side wall 13 stop the fourth magnet unit 64 in the second lower compartment unit 522, the upper side of the third stop column 43, the third inner surrounding wall 33 and the upper side wall 12 stop the fifth magnet unit 65 in the third upper compartment unit 531, the lower side of the third stop column 43, the third inner surrounding wall 33 and the lower side wall 13 stop the sixth magnet unit 66 in the third lower compartment unit 532, the upper side of the fourth stop column 44, the fourth inner surrounding wall 34 and the upper side wall 12 stop the seventh magnet unit 67 in the fourth upper compartment unit 541, and the lower side of the fourth stop column 44, the fourth inner surrounding wall 34 and the lower side wall 13 stop the eighth magnet unit 68 in the fourth lower compartment unit 542.

[0036] Through the above structure, the design is reasonable, the structure is simple, the connection is stable, and the magnets 6 are arranged in the first upper compartment unit 511, the first lower compartment unit 512, the second upper compartment unit 521, the second lower compartment unit 522, the third upper compartment unit 531, the third lower compartment unit 532, the fourth upper compartment unit 541, and the fourth lower compartment unit 542, so that the magnetic attraction building blocks can be connected and stacked at the corners of each side wall 1 in a staggered manner to realize the design and building of a staggered shape.

[0037] The transverse diagonal width of the magnet 6 is smaller than the transverse width, the transverse length, and the longitudinal height of each compartment unit, the longitudinal diagonal width of the magnet 6 is smaller than the transverse width, the transverse length, and the longitudinal height of each compartment unit, and the longitudinal height of the magnet 6 is smaller than the transverse width, the transverse length, and the longitudinal height of each compartment unit. The first stop column 41, the second stop column 42, the third stop column 43, and the fourth stop column 44 are arranged, so that the magnet 6 is limited in each compartment and can rotate freely in the compartment 5.

[0038] In the embodiment, the first inner wall 31 includes a first inner edge 311 connected to the left side wall 113 and a second inner edge 312 connected to the front side wall 111, the first inner edge 311 is connected to the second inner edge 312 and forms a first included angle 313, and the first stop column 41 is connected to the first included angle 313 through a first connecting arm 71; the second inner wall 32 includes a third inner edge 321 connected to the right side wall 114 and a fourth inner edge 322 connected to the front side wall 111, the third inner edge 321 is connected to the fourth inner edge 322 and forms a second included angle 323, and the second stop column 42 is connected to the second included angle 323 through a second connecting arm 72; the third inner wall 33 includes a fifth inner edge 331 connected to the left side wall 113 and a sixth inner edge 332 connected to the rear side wall 112, the fifth inner edge 331 is connected to the sixth inner edge 332 and forms a third included angle 333, and the third stop column 43 is connected to the third included angle 333 through a third connecting arm 73; and the fourth inner wall 34 includes a seventh inner edge 341 connected to the right side wall 114 and an eighth inner edge 342 connected to the rear side wall 112, the seventh inner edge 341 is connected to the eighth inner edge 342 and forms a fourth included angle 343, and the fourth stop column 44 is connected to the fourth included angle 343 through a fourth connecting arm 74.

[0039] Further, the first inner surrounding wall 31 further comprises a first connecting column 314 arranged between the first inner surrounding edge 311 and the second inner surrounding edge 312, and the first connecting arm 71 is connected with the first connecting column 314; the second inner surrounding wall 32 further comprises a second connecting column 324 arranged between the third inner surrounding edge 321 and the fourth inner surrounding edge 322, and the second connecting arm 72 is connected with the second connecting column 324; the third inner surrounding wall 33 further comprises a third connecting column 334 arranged between the fifth inner surrounding edge 331 and the sixth inner surrounding edge 332, and the third connecting arm 73 is connected with the third connecting column 334; the fourth inner surrounding wall 34 further comprises a fourth connecting column 344 arranged between the seventh inner surrounding edge 341 and the eighth inner surrounding edge 342, and the fourth connecting arm 74 is connected with the fourth connecting column 344.

[0040] Further, the first connecting column 314 is provided with a first mounting through hole 3141, the second connecting column 324 is provided with a second mounting through hole 3241, the third connecting column 334 is provided with a third mounting through hole 3341, and the fourth connecting column 344 is provided with a fourth mounting through hole 3441; the inner side of the upper side wall 12 connected with the circumferential surrounding wall group 11 is provided with a first upper mounting column 121, a second upper mounting column 122, a third upper mounting column 123 and a fourth upper mounting column 124, and the inner side of the lower side wall 13 connected with the circumferential surrounding wall group 11 is provided with a first lower mounting column 131, a second lower mounting column 132, a third lower mounting column 133 and a fourth lower mounting column 134; when the upper side wall 12 is connected with the circumferential surrounding wall group 11, the first upper mounting column 121 is inserted into the first mounting through hole 3141 in cooperation, the second upper mounting column 122 is inserted into the second mounting through hole 3241 in cooperation, the third upper mounting column 123 is inserted into the third mounting through hole 3341 in cooperation, and the fourth upper mounting column 124 is inserted into the fourth mounting through hole 3441 in cooperation; when the lower side wall 13 is connected with the circumferential surrounding wall group 11, the first lower mounting column 131 is inserted into the first mounting through hole 3141 in cooperation, the second lower mounting column 132 is inserted into the second mounting through hole 3241 in cooperation, the third lower mounting column 133 is inserted into the third mounting through hole 3341 in cooperation, and the fourth lower mounting column 134 is inserted into the fourth mounting through hole 3441 in cooperation.

[0041] Through the above structure, the design is reasonable, the structure is beautiful, and when the upper side wall 12 and the lower side wall 13 are connected with the circumferential surrounding wall group 11, not only the positioning effect can be achieved, but also the connection stability of the upper side wall 12 and the lower side wall 13 with the circumferential surrounding wall group 11 can be ensured.

[0042] In the embodiment, the magnet 6 is rotatable in the compartment 5, and the magnet 6 has a N pole and an S pole. Since the magnet 6 is rotatable in the compartment 5, and the magnet 6 has a N pole and an S pole, when the magnetic building blocks are stacked together at the intersection corner 2, the magnet 6 of the magnetic building block can be rotated to easily guide the N pole of the magnetic building block to tightly attract the S pole of another same magnetic building block, or guide the S pole of the magnetic building block to tightly attract the N pole of another same magnetic building block, so as to realize the stable connection between the magnetic building blocks, realize the misalignment connection between the magnetic building blocks, and realize the design and building of the misalignment modeling.

[0043] In the embodiment, the building block body 10 is a building block body 10 made of a light-transmitting material. Through the above structure, the building block body 10 made of the light-transmitting material has a more beautiful appearance.

[0044] The above is one or more embodiments provided in combination with specific contents, and it is not intended that the specific implementation of the utility model is limited to these descriptions. Any approximation, similarity, or replacement of the method and structure of the utility model, or any technical deduction or replacement under the concept of the utility model, should be regarded as the protection scope of the utility model.

Claims

1. A building block, characterized in that, The utility model relates to a building block, which comprises: a building block body (10) formed by a plurality of side walls (1) connected to each other, a cross corner (2) formed between adjacent side walls (1), an inner wall (3) and a stop column (4) arranged at the cross corner (2), the inner wall (3) and the side wall (1) surrounding a compartment (5), and the stop column (4) located in the compartment (5), the inner wall (3) and the stop column (4) being integrally formed; a magnet (6) stopped by the inner wall (3) and the stop column (4) at the cross corner (2).

2. A building block according to claim 1, c h a r a c t e r i s e d in that The plurality of side walls (1) comprise a circumferential wall group (11), an upper side wall (12) and a lower side wall (13) connected in sequence, the upper side of the circumferential wall group (11) connected to the upper side wall (12), the lower side of the circumferential wall group (11) connected to the lower side wall (13), the circumferential wall group (11), the upper side wall (12) and the lower side wall (13) collectively surrounding a first cavity (14), and the circumferential wall group (11), the inner wall (3) and the stop column (4) being integrally formed.

3. A building block according to claim 2, c h a r a c t e r i s e d in that The upper side wall (12) and the circumferential wall group (11) are connected by ultrasonic welding, and the lower side wall (13) and the circumferential wall group (11) are connected by ultrasonic welding.

4. A building block according to claim 2, wherein The inner wall (3) comprises a first surrounding edge (301) and a second surrounding edge (302) respectively connected to two adjacent side walls (1), the first surrounding edge (301) and the second surrounding edge (302) connected and forming an included angle (303), the stop column (4) connected to the inner wall (3) by a connecting arm (7), the connecting arm (7) connected at the included angle (303), and the connecting arm (7) located at the middle position of the included angle (303).

5. A building block according to claim 4, c h a r a c t e r i s e d in that The inner wall (3) further comprises a connecting column (304) arranged between the first surrounding edge (301) and the second surrounding edge (302), the connecting arm (7) connected to the connecting column (304), the connecting column (304) provided with a mounting through hole (3041), the inner side of the upper side wall (12) connected to the circumferential wall group (11) provided with an upper mounting column (1201), the upper mounting column (1201) and the mounting through hole (3041) matched and inserted when the upper side wall (12) is connected to the circumferential wall group (11), and the inner side of the lower side wall (13) connected to the circumferential wall group (11) provided with a lower mounting column (1301), the lower mounting column (1301) and the mounting through hole (3041) matched and inserted when the lower side wall (13) is connected to the circumferential wall group (11).

6. A building block according to claim 2, wherein The building block body (10) is a square building block body (10), the circumferential surrounding wall group (11) includes front side wall (111), back side wall (112), left side wall (113) and right side wall (114), the right side of front side wall (111) is connected with right side wall (114), the upper side of front side wall (111), right side wall (114) is connected with upper side wall (12), the lower side of front side wall (111), right side wall (114) is connected with lower side wall (13);The left side of front side wall (111) is connected with left side wall (113), the upper side of front side wall (111), left side wall (113) is connected with upper side wall (12), the lower side of front side wall (111), left side wall (113) is connected with lower side wall (13);The right side of back side wall (112) is connected with right side wall (114), the upper side of back side wall (112), right side wall (114) is connected with upper side wall (12), the lower side of back side wall (112), right side wall (114) is connected with lower side wall (13);The left side of back side wall (112) is connected with left side wall (113), the upper side of back side wall (112), left side wall (113) is connected with upper side wall (12), the lower side of back side wall (112), left side wall (113) is connected with lower side wall (13);The inner surrounding wall (3) includes first inner surrounding wall (31), second inner surrounding wall (32), third inner surrounding wall (33), fourth inner surrounding wall (34), the compartment (5) includes first compartment (51), second compartment (52), third compartment (53) and fourth compartment (54);First inner surrounding wall (31) is connected with the inner surface of front side wall (111), left side wall (113), upper side wall (12) and lower side wall (13) and is formed with first compartment (51) by surrounding together;Second inner surrounding wall (32) is connected with the inner surface of front side wall (111), right side wall (114), upper side wall (12) and lower side wall (13) and is formed with second compartment (52) by surrounding together;Third inner surrounding wall (33) is connected with the inner surface of back side wall (112), left side wall (113), upper side wall (12) and lower side wall (13) and is formed with third compartment (53) by surrounding together, fourth inner surrounding wall (34) is connected with the inner surface of back side wall (112), right side wall (114), upper side wall (12) and lower side wall (13) and is formed with fourth compartment (54) by surrounding together.

7. A building block according to claim 6, c h a r a c t e r i s e d in that The stop column (4) comprises a first stop column (41), a second stop column (42), a third stop column (43) and a fourth stop column (44); the first stop column (41) is located in the first compartment (51), the second stop column (42) is located in the second compartment (52), the third stop column (43) is located in the third compartment (53), and the fourth stop column (44) is located in the fourth compartment (54).

8. A building block according to claim 7, c h a r a c t e r i s e d in that The first inner surrounding wall (31) comprises a first inner surrounding edge (311) connected with the left side wall (113) and a second inner surrounding edge (312) connected with the front side wall (111), the first inner surrounding edge (311) is connected with the second inner surrounding edge (312) and forms a first included angle (313), the first stop column (41) is connected with the first included angle (313) through a first connecting arm (71); the second inner surrounding wall (32) comprises a third inner surrounding edge (321) connected with the right side wall (114) and a fourth inner surrounding edge (322) connected with the front side wall (111), the third inner surrounding edge (321) is connected with the fourth inner surrounding edge (322) and forms a second included angle (323), the second stop column (42) is connected with the second included angle (323) through a second connecting arm (72); the third inner surrounding wall (33) comprises a fifth inner surrounding edge (331) connected with the left side wall (113) and a sixth inner surrounding edge (332) connected with the rear side wall (112), the fifth inner surrounding edge (331) is connected with the sixth inner surrounding edge (332) and forms a third included angle (333), the third stop column (43) is connected with the third included angle (333) through a third connecting arm (73); the fourth inner surrounding wall (34) comprises a seventh inner surrounding edge (341) connected with the right side wall (114) and an eighth inner surrounding edge (342) connected with the rear side wall (112), the seventh inner surrounding edge (341) is connected with the eighth inner surrounding edge (342) and forms a fourth included angle (343), the fourth stop column (44) is connected with the fourth included angle (343) through a fourth connecting arm (74); the first inner surrounding wall (31) further comprises a first connecting column (314) arranged between the first inner surrounding edge (311) and the second inner surrounding edge (312), the first connecting arm (71) is connected with the first connecting column (314); the second inner surrounding wall (32) further comprises a second connecting column (324) arranged between the third inner surrounding edge (321) and the fourth inner surrounding edge (322), the second connecting arm (72) is connected with the second connecting column (324); the third inner surrounding wall (33) further comprises a third connecting column (334) arranged between the fifth inner surrounding edge (331) and the sixth inner surrounding edge (332), the third connecting arm (73) is connected with the third connecting column (334); the fourth inner surrounding wall (34) further comprises a fourth connecting column (344) arranged between the seventh inner surrounding edge (341) and the eighth inner surrounding edge (342), the fourth connecting arm (74) is connected with the fourth connecting column (344).

9. A building block according to claim 8, c h a r a c t e r i s e d in that The first connecting column (314) is provided with a first mounting through hole (3141), the second connecting column (324) is provided with a second mounting through hole (3241), the third connecting column (334) is provided with a third mounting through hole (3341), and the fourth connecting column (344) is provided with a fourth mounting through hole (3441); the inner side, where the upper side wall (12) is connected with the circumferential surrounding wall group (11), is provided with a first upper mounting column (121), a second upper mounting column (122), a third upper mounting column (123) and a fourth upper mounting column (124), and the inner side, where the lower side wall (13) is connected with the circumferential surrounding wall group (11), is provided with a first lower mounting column (131), a second lower mounting column (132), a third lower mounting column (133) and a fourth lower mounting column (134); when the upper side wall (12) is connected with the circumferential surrounding wall group (11), the first upper mounting column (121) is matched and inserted into the first mounting through hole (3141), the second upper mounting column (122) is matched and inserted into the second mounting through hole (3241), the third upper mounting column (123) is matched and inserted into the third mounting through hole (3341), and the fourth upper mounting column (124) is matched and inserted into the fourth mounting through hole (3441); when the lower side wall (13) is connected with the circumferential surrounding wall group (11), the first lower mounting column (131) is matched and inserted into the first mounting through hole (3141), the second lower mounting column (132) is matched and inserted into the second mounting through hole (3241), the third lower mounting column (133) is matched and inserted into the third mounting through hole (3341), and the fourth lower mounting column (134) is matched and inserted into the fourth mounting through hole (3441).The cross corner (2) comprises a first cross corner unit (21) arranged at the connection between the front side wall (111), the left side wall (113) and the upper side wall (12), a second cross corner unit (22) arranged at the connection between the front side wall (111), the left side wall (113) and the lower side wall (13), a third cross corner unit (23) arranged at the connection between the front side wall (111), the right side wall (114) and the upper side wall (12), a fourth cross corner unit (24) arranged at the connection between the front side wall (111), the right side wall (114) and the lower side wall (13), a fifth cross corner unit (25) arranged at the connection between the rear side wall (112), the left side wall (113) and the upper side wall (12), a sixth cross corner unit (26) arranged at the connection between the rear side wall (112), the left side wall (113) and the lower side wall (13), a seventh cross corner unit (27) arranged at the connection between the rear side wall (112), the right side wall (114) and the upper side wall (12), and an eighth cross corner unit (28) arranged at the connection between the rear side wall (112), the right side wall (114) and the lower side wall (13); the first compartment (51) comprises a first upper compartment unit (511) arranged at the first cross corner unit (21) and a first lower compartment unit (512) arranged at the second cross corner unit (22); the second compartment (52) comprises a second upper compartment unit (521) arranged at the third cross corner unit (23) and a second lower compartment unit (522) arranged at the fourth cross corner unit (24); the third compartment (53) comprises a third upper compartment unit (531) arranged at the fifth cross corner unit (25) and a third lower compartment unit (532) arranged at the sixth cross corner unit (26); and the fourth compartment (54) comprises a fourth upper compartment unit (541) arranged at the seventh cross corner unit (27) and a fourth lower compartment unit (542) arranged at the eighth cross corner unit (28).

10. A building block according to claim 9, c h a r a c t e r i s e d in that The magnet (6) comprises a first magnet unit (61) arranged in the first upper compartment unit (511), a second magnet unit (62) arranged in the first lower compartment unit (512), a third magnet unit (63) arranged in the second upper compartment unit (521), a fourth magnet unit (64) arranged in the second lower compartment unit (522), a fifth magnet unit (65) arranged in the third upper compartment unit (531), a sixth magnet unit (66) arranged in the third lower compartment unit (532), a seventh magnet unit (67) arranged in the fourth upper compartment unit (541), and an eighth magnet unit (68) arranged in the fourth lower compartment unit (542); the upper side of the first stop column (41), the first inner surrounding wall (31), and the upper side wall (12) stop the first magnet unit (61) in the first upper compartment unit (511), the lower side of the first stop column (41), the first inner surrounding wall (31), and the lower side wall (13) stop the second magnet unit (62) in the first lower compartment unit (512), the upper side of the second stop column (42), the second inner surrounding wall (32), and the upper side wall (12) stop the third magnet unit (63) in the second upper compartment unit (521), the lower side of the second stop column (42), the second inner surrounding wall (32), and the lower side wall (13) stop the fourth magnet unit (64) in the second lower compartment unit (522), the upper side of the third stop column (43), the third inner surrounding wall (33), and the upper side wall (12) stop the fifth magnet unit (65) in the third upper compartment unit (531), the lower side of the third stop column (43), the third inner surrounding wall (33), and the lower side wall (13) stop the sixth magnet unit (66) in the third lower compartment unit (532), the upper side of the fourth stop column (44), the fourth inner surrounding wall (34), and the upper side wall (12) stop the seventh magnet unit (67) in the fourth upper compartment unit (541), and the lower side of the fourth stop column (44), the fourth inner surrounding wall (34), and the lower side wall (13) stop the eighth magnet unit (68) in the fourth lower compartment unit (542).

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