CN107224729B - Toy building element - Google Patents
Toy building element Download PDFInfo
- Publication number
- CN107224729B CN107224729B CN201610173648.8A CN201610173648A CN107224729B CN 107224729 B CN107224729 B CN 107224729B CN 201610173648 A CN201610173648 A CN 201610173648A CN 107224729 B CN107224729 B CN 107224729B
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- China
- Prior art keywords
- groove
- top plate
- side plate
- toy building
- limit clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 description 10
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/06—Building blocks, strips, or similar building parts to be assembled without the use of additional elements
- A63H33/08—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails
- A63H33/084—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails with grooves
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/06—Building blocks, strips, or similar building parts to be assembled without the use of additional elements
- A63H33/08—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails
Abstract
The invention discloses a toy building element. The toy building element comprises a rectangular element body, a first connecting piece and a second connecting piece, wherein the first connecting piece and the second connecting piece are arranged at two ends of the element body; the first connector and the second connector are arranged on the same or opposite faces of the element body; the first connecting piece comprises a connecting disc and a connecting column arranged on the connecting disc, and the connecting column is arranged on the element body; the second connecting piece comprises a connecting body, and a containing groove for the first connecting piece to be inserted is formed in the connecting body; the accommodating groove comprises a disc groove for accommodating the connecting disc and a column groove for accommodating the connecting column; the connecting column is provided with a limit clamping groove or a limit clamping protrusion, and correspondingly, the column groove is provided with a limit clamping protrusion or a limit clamping groove; the limit clamping groove is matched with the limit clamping protrusion. The first and second connection pieces of the toy building elements can be tightly fitted to ensure tightness of connection of the two toy building elements, and assembly between the two toy building elements is convenient.
Description
Technical Field
The invention relates to the field of building block toys, in particular to a toy building element.
Background
The current block toy is widely popular as an educational toy for stimulating the imagination and creativity of children. The existing building block toy mainly realizes the connection of two building blocks by the snap fit of a protruding cylinder on one building block and a containing groove of the other building block. The fastening mode is not tight enough in connection, and building blocks are easy to fall off, so that the experience and the fun of a user are affected. The special bolt assembly is adopted in part building block toy to connect two building blocks to ensure the compactness of connecting between the building blocks, but this kind of connected mode can make the equipment process complicacy between the building blocks, increases the equipment degree of difficulty, needs to adopt specific assembly and disassembly tools in equipment and/or the dismouting process moreover, influences user experience and enjoyment.
Disclosure of Invention
The invention aims to solve the technical problem that the connection between building blocks of the existing building block toy is not tight enough or the assembly process is complex, and provides a toy building element.
The technical scheme adopted for solving the technical problems is as follows: a toy building element comprising a rectangular element body, a first connector and a second connector arranged at both ends of the element body; the first and second connectors are disposed on the same or opposite faces of the element body;
the first connecting piece comprises a connecting disc and a connecting column arranged on the connecting disc, and the connecting column is arranged on the element body;
the second connecting piece comprises a connecting body, and a containing groove for the first connecting piece to be inserted is formed in the connecting body; the accommodating groove comprises a disk groove for accommodating the connecting disk and a column groove for accommodating the connecting column;
the connecting column is provided with a limit clamping groove or a limit clamping protrusion, and correspondingly, the column groove is provided with a limit clamping protrusion or a limit clamping groove; the limit clamping groove is matched with the limit clamping protrusion.
Preferably, the connecting body includes a left side plate, a right side plate, a rear side plate, and a top plate provided on the element body; the element body, the left side plate, the right side plate, the rear side plate and the top plate are arranged in a hexahedral structure, and the inner wall of the element body is matched with the left side plate, the right side plate, the rear side plate and the top plate to define the disc groove; the top plate is provided with the column groove.
Preferably, the top plate comprises a top plate left part, a top plate rear part and a top plate right part, and the inner side walls of the top plate left part, the top plate rear part and the top plate right part define the column groove; a group of limit clamping protrusions or limit clamping grooves are formed in the opposite positions of the left side wall of the top plate and the inner side wall of the right side wall of the top plate; and the connecting column is provided with at least one group of limiting clamping grooves or limiting clamping protrusions which are oppositely arranged.
Preferably, a strip-shaped groove is respectively arranged on the left part of the top plate and the right part of the top plate; the strip-shaped groove is parallel to the direction of inserting the first connecting piece into the accommodating groove, and is arranged at a position close to the limit clamping protrusion or the limit clamping groove.
Preferably, the distance from the limit clamping convex or the limit clamping groove on the left part of the top plate and the right part of the top plate to the rear side plate is half of the side length of the left side plate or the right side plate.
Preferably, a first chamfer is arranged at one end of the connecting column, which is close to the connecting disc; and second chamfers matched with the first chamfers are arranged on the edges of the inner side walls of the left part, the rear part and the right part of the top plate.
Preferably, at least one fastening rib is respectively arranged on the inner walls of the element body, the top plate, the left side plate and the right side plate; the fastening ribs are parallel to the direction of inserting the first connecting piece into the accommodating groove.
Preferably, one end of the fastening rib, which is far away from the rear side plate, is provided with a chamfer angle.
Preferably, the connecting disc is square; four limit clamping grooves or limit clamping protrusions are uniformly distributed on the connecting column, and each limit clamping groove or limit clamping protrusion is arranged opposite to the midpoint of each side of the connecting disc.
Preferably, the top surface of the connecting disc is provided with an azimuth mark.
Compared with the prior art, the invention has the following advantages: the first connecting piece and the second connecting piece are arranged on the toy building elements, and when the two toy building elements are built, the first connecting piece on one toy building element is inserted into the accommodating groove of the second connecting piece of the other toy building element, so that the assembling process is simple and convenient, and a specific assembling tool is not needed. A limiting clamping groove or a limiting clamping protrusion is formed in the connecting column of the first connecting piece, and a limiting clamping protrusion or a limiting clamping groove is correspondingly formed in the column groove of the second connecting piece; the limiting clamping groove is matched with the limiting clamping protrusion to realize the tight fit of the first connecting piece and the second connecting piece, so that the connection tightness between the two toy building elements is guaranteed, and the toys are prevented from falling off from each other in the building process.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
figure 1 is a perspective view of a toy building element according to an embodiment of the invention.
Figure 2 is a front view of the toy building element of figure 1.
Figure 3 is a bottom view of the toy building element of figure 1.
Fig. 4 is a cross-sectional view of fig. 2 taken along line C-C.
In the figure: 10. an element body; 20. a first connector; 21. a connecting disc; 22. a connecting column; 221. a first chamfer; 30. a second connector; 31. a connection body; 311. a left side plate; 312. a right side plate; 313. a rear side plate; 314. a top plate; 3141. the left part of the top plate; 3142. the right part of the top plate; 3143. the rear part of the top plate; 3144. a second chamfer; 3145. chamfering; 315. a strip-shaped groove; 316. a thin wall is deformed; 32. a receiving groove; 321. a disk groove; 322. a column groove; 33. a fastening rib; 331. chamfering; 40. a limit clamping groove; 50. the limit clamp is convex.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
Figures 1-4 show a toy building element according to an embodiment of the invention. The toy building element comprises a rectangular element body 10, a first connector 20 and a second connector 30 arranged at both ends of the element body 10, the first connector 20 and the second connector 30 being arranged on the same or opposite faces of the rectangular element body 10. In the present embodiment, the first connector 20 and the second connector 30 are provided at both ends on opposite sides of the rectangular element body 10, respectively. It will be appreciated that the first connector 20 of one toy building element and the second connector 30 of the other toy building element cooperate with each other, a tight fit between the two toy building elements can be achieved, completing the toy building process. The toy building element is injection molded from a rigid plastic.
As shown in fig. 2 and 4, the first connector 20 includes a land 21 and a connection post 22 provided on the land 21, the connection post 22 being provided on the element body 10. It will be appreciated that the connection disc 21 may take a variety of shapes, preferably square in design; square is more convenient for identifying azimuth than circular design; and the sides of the square are uniform in length compared to the rectangular or other shape design, so that the four directions thereof have the same structure, so that the first connector 20 can be inserted into the second connector 30 from the four directions. The connecting post 22 may be a cylinder or a quadrangular prism. In this embodiment, the connection disc 21 and the connection post 22 are coaxial and arranged in a T-shape.
In this embodiment the top surface of the coupling disc 21 is provided with a number of orientation markers from which the orientation can be determined when a number of toy building elements are to be built in a specific orientation. As in the case of the present embodiment, symbols of delta, ++four and the like are respectively arranged on the connecting disc 21, respectively represent four directions of the connecting disc 21; letters such as E, W, N, S may be used to indicate the four directions of the land 21.
As shown in fig. 1 to 4, the second connector 30 includes an integrally formed connection body 31, and a receiving groove 32 for inserting the first connector 20 is formed on the connection body 31. Specifically, the connection body 31 includes a left side plate 311, a right side plate 312, a rear side plate 313, and a top plate 314 provided on the element body 10; the element body 10 is arranged in a hexahedral structure with a left side plate 311, a right side plate 312, a rear side plate 313 and a top plate 314, and defines a receiving groove 32 for inserting the first connector 20; it is understood that the connecting body 31 is provided with an opening of the receiving groove 32 on a side opposite to the rear side plate 313. In the embodiment, the top plate 314 is square, so that when a plurality of toy building elements are built, the influence on toy building caused by inconsistent lengths of all sides is avoided, and the user experience is improved; and, the four corner edges are designed in radian, so that the appearance of the second connecting piece 30 is smooth and attractive.
Specifically, the accommodating groove 32 includes a disc groove 321 for accommodating the connection disc 21 and a column groove 322 for accommodating the connection column 22, which are arranged in an inverted T shape, and in order to secure the tightness of the connection, the size of the disc groove 321 is matched with the size of the connection disc 21; the size of the post slot 322 matches the size of the connecting post 22. The inner walls of the element body 10, the top plate 314, the left side plate 311, the right side plate 312, and the rear side plate 313 cooperate to define a plate groove 321 for accommodating the connection plate 21. The top plate 314 is provided with a column groove 322; specifically, the top plate 314 includes an integrally formed top plate left portion 3141, top plate rear portion 3143, and top plate right portion 3142, and the inner side walls of the top plate left portion 3141, top plate rear portion 3143, and top plate right portion 3142 define a column groove 322 for receiving the connecting column 22. In this embodiment, the distance between the left top plate 3141 and the right top plate 3142 is identical to the diameter of the cylindrical connecting post 22, so that the post groove 322 is more tightly matched with the connecting post 22, and is not easy to fall off.
When two toy building elements are to be built, the first connection piece 20 on one toy building element is inserted into the receiving groove 32 of the second connection piece 30 of the other toy building element, the assembly process is simple and convenient, and no special assembly tools are needed. In order to ensure tightness of the connection of the two toy building elements, a snap-fit assembly is provided on the first and second coupling members 20, 30. The buckle assembly comprises a limit clamping groove 40 and a limit clamping protrusion 50, wherein the limit clamping groove 40 and the limit clamping protrusion 50 are respectively arranged on the first connecting piece 20 and the second connecting piece 30. The limit clamping groove 40 is matched with the limit clamping protrusion 50 so as to realize the close fit of the first connecting piece 20 and the second connecting piece 30, thereby ensuring the connection tightness between the two toy building elements and avoiding mutual falling off in the toy building process.
It will be appreciated that when two toy building elements are assembled, only two opposite forces have to be applied to the first coupling member 20 of one toy building element and the second coupling member 30 of the other toy building element, such that the limit catch groove 40 cooperates with the limit catch protrusion 50. When the two toy building elements are assembled and disassembled, only two opposite forces are applied to the first connecting piece 20 of one toy building element and the second connecting piece 30 of the other toy building element, so that the limit clamping protrusions 50 are separated from the limit clamping grooves 40, and the assembly and disassembly processes are simple and do not need to use specific tools.
In this embodiment, the connection post 22 of the first connector 20 is provided with a limit clamping groove 40, and correspondingly, the post groove 322 of the second connector 30 is provided with a limit clamping protrusion 50 matched with the limit clamping groove 40. Specifically, at least one set of limiting clamping grooves 40 are disposed on the connecting post 22 of the first connecting member 20, a set of limiting clamping protrusions 50 are disposed on the inner side walls of the left top plate 3141 and the right top plate 3142 of the second connecting member 30, and when the first connecting member 20 is inserted into the accommodating groove 32 of the second connecting member 30, the limiting clamping protrusions 50 disposed on the left top plate 3141 and the right top plate 3142 of the second connecting member 30 are inserted into the limiting clamping grooves 40 on the connecting post 22 of the first connecting member 20, so as to achieve tight fit between the first connecting member 20 and the second connecting member 30 and avoid falling.
Further, four limiting clamping grooves 40 are uniformly distributed on the connecting column 22 of the first connecting piece 20, each limiting clamping groove 40 is opposite to the midpoint of each side of the square connecting disc 21, and the two opposite limiting clamping grooves 40 are located on the same diameter of the cylindrical connecting column 22. The distance from the limit catch projection 50 on the left and right top panel 3141, 3142 to the rear side panel 313 is half the length of the left side panel 311 or the left side panel 311, so that the first connector 20 is positioned in the middle of the second connector 30 when inserted into the second connector 30, facilitating the cooperation with other toy building elements.
It will be appreciated that the connection post 22 of the first connector 20 may also be provided with a stop tab 50, and correspondingly, the post slot 322 of the second connector 30 may be provided with a stop slot 40 matching the stop tab 50. Specifically, at least one set of limiting clamping protrusions 50 are disposed on the connecting post 22 of the first connecting member 20, a set of limiting clamping grooves 40 are disposed on opposite positions on inner side walls of the top plate left portion 3141 and the top plate right portion 3142 of the second connecting member 30, and when the first connecting member 20 is inserted into the accommodating groove 32 of the second connecting member 30, the limiting clamping protrusions 50 on the connecting member of the first connecting member 20 are inserted into the limiting clamping grooves 40 disposed on opposite positions on the top plate left portion 3141 and the top plate right portion 3142 of the second connecting member 30, so as to achieve tight fit between the first connecting member 20 and the second connecting member 30, and avoid falling.
Further, four limiting clamp protrusions 50 are uniformly distributed on the connecting column 22 of the first connecting piece 20, each limiting clamp protrusion 50 is opposite to the midpoint of each side of the square connecting disc 21, and the two opposite limiting clamp protrusions 50 are located on the same diameter of the cylindrical connecting column 22. The spacing detents 40 on the left 3141 and right 3142 of the top plate are half the length of the left side plate 311 or the left side plate 311 to the rear side plate 313 so that the first connector 20 is positioned in the middle of the second connector 30 when inserted into the second connector 30, facilitating engagement with other toy building elements.
As shown in fig. 1 and 3, a strip-shaped groove 315 is formed on each of the left top plate 3141 and the right top plate 3142; the strip-shaped groove 315 is parallel to the direction in which the first connecting piece 20 is inserted into the accommodating groove 32 and is disposed at a position close to the limit clamping protrusion 50 or the limit clamping groove 40, so that a deformation thin wall 316 is formed between the strip-shaped groove 315 and the limit clamping protrusion 50 or the limit clamping groove 40. When the first connector 20 and the second connector 30 are assembled or separated, the deformed thin wall 316 deforms to a certain extent, so that the limit clamping protrusion 50 is inserted into the limit clamping groove 40 or the limit clamping protrusion 50 is separated from the limit clamping groove 40.
As shown in fig. 2 and 4, at least one fastening rib 33 is respectively provided on the inner walls of the element body 10, the top plate 314, the left side plate 311 and the right side plate 312; moreover, the direction in which the fastening rib 33 is inserted into the accommodating groove 32 is parallel to the first connecting piece 20, so that the connection tightness of the connecting disc 21 and the accommodating groove 32 is ensured, the falling-off of the toy building element in the building process is avoided, and the user experience is influenced. In this embodiment, two fastening ribs 33 are disposed on the element body 10 at intervals, and one fastening rib 33 is disposed on each of the inner walls of the left portion 3141, the right portion 3142, the left side plate 311 and the right side plate 312; the fastening ribs 33 of the top left portion 3141 and the top right portion 3142 are located on the inner side of the deformed thin wall 316. It will be appreciated that the height of the two fastening ribs 33 on the element body 10 may be set as desired to meet the requirements of the height design of the second connector 30.
In order to ensure the connection tightness of the first connector 20 and the second connector 30, the distance from the fastening rib 33 on the element body 10 to the fastening rib 33 on the top plate 314 is consistent with the thickness of the connection disc 21 of the first connector 20, the distance between the fastening rib 33 on the left side plate 311 and the fastening rib 33 on the right side plate 312 is consistent with the side length of the square connection disc 21, and the linear contact between the fastening rib 33 and the connection disc 21 makes the fit of the disc slot 321 and the connection disc 21 tighter, and is not easy to fall off.
As shown in fig. 3 and 4, the end of the fastening rib 33 away from the rear side plate 313 is provided with a chamfer 331, i.e., the end of the fastening rib 33 near the opening of the accommodating groove 32 is provided with a chamfer 331, so as to facilitate the insertion of the first connecting member 20 into the accommodating groove 32. Further, rounded corners 3145 are provided at positions of the left and right top plate portions 3141 and 3142 near the opening of the column groove 322 so as to facilitate insertion of the connection column 22 into the column groove 322.
As shown in fig. 4, the connecting post 22 is provided with a first chamfer 221 at one end thereof near the connecting land 21; accordingly, the inner sidewall edges of the top left portion 3141, the top rear portion 3143, and the top right portion 3142 are provided with second chamfers 3144 that mate with the first chamfers 221. The first chamfer 221 and the second chamfer 3144 are mated to enhance the tightness of the mating of the first connector 20 and the second connector 30.
While the invention has been described with reference to the specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A toy building element, characterized by comprising a rectangular element body (10), a first connecting piece (20) and a second connecting piece (30) arranged at both ends of the element body (10); the first (20) and second (30) connectors are provided on the same or opposite faces of the element body (10);
the first connecting piece (20) comprises a connecting disc (21) which is square-shaped and a connecting column (22) which is arranged on the connecting disc (21), and the connecting column (22) is arranged on the element body (10);
the second connecting piece (30) comprises a connecting body (31), and a containing groove (32) for the first connecting piece (20) to be inserted is formed in the connecting body (31); the accommodating groove (32) comprises a disk groove (321) for accommodating the connecting disk (21) and a column groove (322) for accommodating the connecting column (22);
a limit clamping groove (40) or a limit clamping protrusion (50) is formed in the connecting column (22), and correspondingly, a limit clamping protrusion (50) or a limit clamping groove (40) is formed in the column groove (322); the limit clamping groove (40) is matched with the limit clamping protrusion (50);
the connecting body (31) comprises a left side plate (311), a right side plate (312), a rear side plate (313) and a top plate (314) which are arranged on the element body (10); the element body (10) is arranged in a hexahedral structure with the left side plate (311), the right side plate (312), the rear side plate (313) and the top plate (314), and the inner wall is matched with the left side plate and the right side plate to define the disc groove (321); the top plate (314) is provided with the column groove (322);
the top plate (314) comprises a top plate left part (3141), a top plate rear part (3143) and a top plate right part (3142), wherein the inner side walls of the top plate left part (3141), the top plate rear part (3143) and the top plate right part (3142) define the column groove (322); a group of limit clamping protrusions (50) or limit clamping grooves (40) are formed in the opposite positions of the inner side walls of the left top plate part (3141) and the right top plate part (3142); at least one group of limiting clamping grooves (40) or limiting clamping protrusions (50) which are oppositely arranged are arranged on the connecting column (22).
2. Toy building element according to claim 1, characterized in that the top plate left part (3141) and the top plate right part (3142) are each provided with a strip-shaped groove (315); the strip-shaped groove (315) is parallel to the direction of inserting the first connecting piece (20) into the accommodating groove (32), and is arranged at a position close to the limit clamping protrusion (50) or the limit clamping groove (40).
3. Toy building element according to claim 1, characterized in that the distance from the limit catch (50) or limit catch groove (40) on the top plate left part (3141) and the top plate right part (3142) to the rear side plate (313) is half the side length of the left side plate (311) or the right side plate (312).
4. Toy building element according to claim 1, characterized in that the end of the connection post (22) near the connection disc (21) is provided with a first chamfer (221); a second chamfer (3144) matched with the first chamfer (221) is arranged on the edges of the inner side walls of the left top plate part (3141), the rear top plate part (3143) and the right top plate part (3142).
5. Toy building element according to claim 1, characterized in that the element body (10), the top plate (314), the left side plate (311) and the right side plate (312) are each provided with at least one fastening rib (33) on their inner walls; the fastening ribs (33) are parallel to the direction in which the first connecting piece (20) is inserted into the accommodating groove (32).
6. Toy building element according to claim 5, characterized in that the end of the fastening bar (33) remote from the rear side plate (313) is provided with a bevelled angle (331).
7. Toy building element according to claim 1, characterized in that four limit catch grooves (40) or limit catch protrusions (50) are evenly distributed on the connection post (22), each limit catch groove (40) or limit catch protrusion (50) being arranged opposite to the midpoint of each side of the connection disc (21).
8. Toy building element according to claim 1, characterized in that the connection disc (21) is provided with an azimuth indication on its top surface.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610173648.8A CN107224729B (en) | 2016-03-24 | 2016-03-24 | Toy building element |
| US29/576,583 USD795968S1 (en) | 2016-03-24 | 2016-09-06 | Construction set block |
| US15/390,532 US10029187B2 (en) | 2016-03-24 | 2016-12-25 | Toy assembling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610173648.8A CN107224729B (en) | 2016-03-24 | 2016-03-24 | Toy building element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107224729A CN107224729A (en) | 2017-10-03 |
| CN107224729B true CN107224729B (en) | 2023-12-01 |
Family
ID=59655185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610173648.8A Active CN107224729B (en) | 2016-03-24 | 2016-03-24 | Toy building element |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | USD795968S1 (en) |
| CN (1) | CN107224729B (en) |
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- 2016-09-06 US US29/576,583 patent/USD795968S1/en active Active
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| CN203899152U (en) * | 2014-06-04 | 2014-10-29 | 宽鑫有限公司 | Connecting building block |
| CN204910787U (en) * | 2015-08-18 | 2015-12-30 | 上海华森葳教育用品有限公司 | Joint connection piece benefits intelligence |
| CN205613039U (en) * | 2016-03-24 | 2016-10-05 | 深圳市优必选科技有限公司 | Component is built to toy |
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| Publication number | Publication date |
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| CN107224729A (en) | 2017-10-03 |
| USD795968S1 (en) | 2017-08-29 |
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