Magnetic building block structure

Abstract

The utility model provides a magnetic building block structure which comprises a shell and an end cover fixedly connected to the shell, the shell is of a hollow cylinder structure, a plurality of magnetic chambers are formed in the positions of vertex angles and / or N equal division points of the inner side wall of the shell, a plurality of fixing columns are formed in the positions, between the magnetic chambers, of the inner side wall of the shell, and the end cover is fixedly connected to the shell. Each magnetic chamber extends between the two ends of the shell and is used for accommodating a magnetic block, and each fixing column extends between the two ends of the shell and is used for being fixedly connected with an end cover; when the magnetic chambers in the shell are uniformly distributed on the vertex angle or N equal division points, the plurality of fixed columns and / or the plurality of magnetic chambers are supported and connected through connecting rods; when the magnetic chambers in the shell are distributed on the vertex angle and the N equal division points at the same time, the magnetic chamber on at least one N equal division point is connected with the opposite inner wall or another magnetic chamber through a partition plate so that the shell can be divided into M unit cavities, and the multiple fixing columns and / or the multiple magnetic chambers in the same unit cavity are connected in a supported mode through connecting rods.

Description

TECHNICAL FIELD

[0001] The utility model relates to a technical field of building blocks, especially to a magnetic building block structure. BACKGROUND

[0002] Building blocks are widely loved as a kind of toy with wisdom and creativity. At present, one kind of building block toy is combined by magnetic attraction through magnets, which has the advantages of flexible and various combination modes, and is more helpful to develop children's imagination and creativity. A kind of magnetic building block is disclosed in Chinese patent with publication number CN212214607U, which sets a mounting frame in the mounting cavity of the shell, sets a magnet mounting cavity for movably mounting a magnet at each top corner of the mounting frame, so that any side of the building block has magnetism, and the magnet can be easily mounted in the magnetic chamber, and the self-weight of the building block can be reduced. However, the applicant found in practice that the mounting frame needs to be correctly matched in the shell with a specific orientation, which leads to low assembly efficiency, and the effect of reducing the self-weight and overall material of the building block structure is also limited. SUMMARY

[0003] The utility model aims at providing a magnetic building block structure to solve the problem of low assembly efficiency of the existing magnetic building block mentioned in the background technology, and the effect of reducing the self-weight and overall material is also limited.

[0004] In order to achieve the above purpose, the utility model provides a magnetic building block structure, which comprises a shell and an end cover fixedly connected to the shell, the shell is a hollow cylindrical structure, a plurality of magnetic chambers are formed on the inner side wall of the shell at the positions of the top corners and / or N equidistant points, a plurality of fixed columns are formed on the inner side wall of the shell at the positions between the magnetic chambers, each magnetic chamber extends between the two ends of the shell for accommodating a magnetic block, and each fixed column extends between the two ends of the shell for fixedly connecting the end cover.

[0005] When the magnetic chambers in the shell are distributed on the top corners or N equidistant points, the plurality of fixed columns and / or the plurality of magnetic chambers are connected by connecting rods; when the magnetic chambers in the shell are distributed on the top corners and N equidistant points at the same time, at least one magnetic chamber located on the N equidistant point is connected with the opposite inner wall or another magnetic chamber through a partition plate to divide the shell into M unit cavities, and the plurality of fixed columns and / or the plurality of magnetic chambers in the same unit cavity are connected by the connecting rods, wherein N and M are positive integers greater than or equal to two.

[0006] As a preferred scheme, the connecting rod comprises a first connecting rod and / or a second connecting rod, the first connecting rod is used for supporting and connecting the plurality of fixed columns, and the second connecting rod is used for supporting and connecting the plurality of magnetic chambers.

[0007] As a preferred solution, the bifurcation points of the first connecting rod and the second connecting rod are located at the center of gravity of the inner cavity of the shell or the unit cavity.

[0008] As a preferred solution, the connecting rod further comprises a third connecting rod for supporting a fixed column and a magnetic chamber in the unit cavity in a tilting direction, and the bifurcation point of the third connecting rod is connected to the bifurcation point of the first connecting rod or the second connecting rod.

[0009] As a preferred solution, the number of the shell is one, the number of the end cover is two, the shape of the end cover is matched with the shape of the end face of the shell, and the inner side wall of the end cover is provided with a plug-in column or a connecting hole at a position corresponding to the fixed column, the plug-in column is plug-in fixed with the fixed column, and the connecting hole is fixedly connected with the fixed column through a fixing member.

[0010] As a preferred solution, each of the magnetic chambers is divided into two chambers by a baffle, each of the chambers is used for movably containing the magnetic block, and a limiting block is arranged in each of the chambers for limiting the movement range of the magnetic block.

[0011] As a preferred solution, the shell is a cylindrical structure, four magnetic chambers are formed on the inner side wall of the shell at four quarter points, and a fixed column is arranged between each two of the magnetic chambers on the inner side wall of the shell, and the fixed column is located at the midpoint between the two magnetic chambers.

[0012] As a preferred solution, the shell is a fan-shaped cylindrical structure, one magnetic chamber is formed on the inner side wall of the shell at each of three top corner positions, and a fixed column is arranged between each two of the magnetic chambers on the inner side wall of the shell, and the fixed column is located at the midpoint between the two magnetic chambers.

[0013] As a preferred solution, the shell is a triangular prism structure, one magnetic chamber is formed on the inner side wall of the shell at each of three top corner positions, and a fixed column is arranged between each two of the magnetic chambers on the inner side wall of the shell, and the fixed column is located at the midpoint between the two magnetic chambers.

[0014] As a preferred solution, the shell is a special-shaped cylindrical structure formed by cutting a semicylinder from one side of a cuboid, one magnetic chamber is formed on the inner side wall of the shell at each of four top corner positions and two quarter points of the arc-shaped side wall, and a fixed column is arranged between each two of the magnetic chambers and between the partition plate and the magnetic chamber in each of the unit cavities.

[0015] Therefore, according to the technical means of the utility model, the utility model can obtain the effects briefly described as follows: the magnetic building block structure provided by the utility model adopts a hollow cylinder structure, a plurality of magnetic chambers for accommodating magnetic blocks are formed at the top corners and / or N equidistant points of the inner side wall of the shell, and a plurality of fixing columns for fixing end covers are further formed at the positions between the magnetic chambers, the above structure can install the magnetic blocks and the end covers without additionally arranging mounting racks, can simplify assembly operation to improve assembly efficiency, and can also simultaneously achieve the purposes of reducing self-weight and overall material consumption. Moreover, the plurality of fixing columns and / or the plurality of magnetic chambers of the magnetic building block structure are connected through connecting rods, can play a role in increasing the strength of the shell, improve the service life, and simultaneously will not excessively increase the weight and material consumption of the magnetic building block, can ensure that the weight and material consumption of the magnetic building block structure are small enough, facilitate children to take, and are also beneficial to saving production cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the magnetic building block structure of the first embodiment of the utility model.

[0017] Figure 2 It is a schematic view of the magnetic building block structure of the first embodiment of the utility model. Figure 1 It is an exploded schematic view of the magnetic building block structure.

[0018] Figure 3 It is a schematic view of the magnetic building block structure of the first embodiment of the utility model. Figure 1 It is a sectional view of the magnetic building block structure.

[0019] Figure 4 It is an exploded schematic view of the magnetic building block structure of the second embodiment of the utility model.

[0020] Figure 5 It is an exploded schematic view of the magnetic building block structure of the third embodiment of the utility model.

[0021] Figure 6 It is an exploded schematic view of the magnetic building block structure of the fourth embodiment of the utility model.

[0022] In the drawing: 100 - shell; 110 - magnetic chamber; 112 - baffle; 113 - cavity; 114 - limiting block; 120 - fixing column; 130 - first connecting rod; 140 - second connecting rod; 150 - partition plate; 160 - unit cavity; 170 - third connecting rod; 200 - end cover; 210 - plug-in column. DETAILED DESCRIPTION

[0023] The preferred embodiments of the utility model are further described in detail below in combination with the drawings.

[0024] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0025] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0026] In addition, the terms "first", "second", and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", and the like can explicitly or implicitly include one or more of the features.

[0027] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In the present application, unless otherwise explicitly specified and limited, the first feature "above" or "below" the second feature can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0029] Please refer to Figures 1 to 3, shows a magnetic building block structure provided by the first embodiment, which comprises a shell 100 and end covers 200 fixedly connected to the shell 100. Among them, the number of the shell 100 is one, and the shell 100 is a hollow cylindrical structure with both ends through. The number of the end cover 200 is two, and the shape of the end cover 200 is matched with the shape of the end face of the shell 100, and the end cover 200 can be fixedly connected to the shell 100 to form a closed and hollow structure of the magnetic building block. In other embodiments of the utility model, the shell 100 can be other columnar structures, such as a cube, a cuboid, or other polygonal columns, special-shaped columns, etc. Correspondingly, the shell 100 can be provided as an open and hollow columnar structure at one end, and the number of the end cover 200 is correspondingly provided as one at this time.

[0030] It can be understood that the inner side wall of the shell 100 is formed with a plurality of magnetic chambers 110 at the N equidistant points (N is a positive integer greater than or equal to two) and / or the top corners, and the inner side wall of the shell 100 is formed with a plurality of fixed columns 120 at the positions between the magnetic chambers 110, each magnetic chamber 110 extends between the two ends of the shell 100 for accommodating the magnetic blocks (not shown in the figure), and each fixed column 120 extends between the two ends of the shell 100 for fixedly connecting the end cover 200. Through the above-mentioned setting, the magnetic building block structure can install the magnetic blocks and the end cover without additional installation frame, which can simplify the assembly operation to improve the assembly efficiency, and also can achieve the purpose of reducing the self-weight and the overall material consumption.

[0031] In the embodiment, the inner side wall of the shell 100 is formed with four magnetic chambers 110 at the positions of the four equidistant points, and the inner side wall of the shell 100 is provided with one fixed column 120 between every two magnetic chambers 110. That is, the four magnetic chambers 110 are distributed at the four equidistant points of the shell 100, and the number of the fixed columns 120 is also four, and each fixed column 120 is located at the midpoint position between the two magnetic chambers 110. It can be understood that each magnetic chamber 110 is divided into two cavities 113 by the baffle 112, each cavity 113 is used for movably accommodating the magnetic block, and each cavity 113 is provided with a limiting block 114, which is used for limiting the movement range of the magnetic block, so that the magnetic block can move close to the end cover 200, so as to ensure that the magnetic building block structure has better magnetic attraction use effect. Each fixed column 120 is a hollow structure, and the fixed column 120 is used for inserting and fixing the insertion column of the end cover 200, which can effectively improve the installation speed, and make the end cover 200 be connected to the shell 100 without trace and tightly.

[0032] In other embodiments of the utility model, the fixed columns 120 need not be evenly distributed in the interphase positions of every two magnetic chambers 110, and the fixed columns 120 can be selectively distributed in one or several interphase positions of the magnetic chambers 110, and the number of the fixed columns 120 in each interphase position can be set to two or more than three, and the number of the fixed columns 120 in the multiple interphase positions can be set to be equal or not equal. The magnetic chambers 110 can be set to the cavity structure with internal communication, and the fixed columns 120 can be set to the solid column structure, and the plug-in fixing with the end cover 200 can also be achieved.

[0033] It can be understood that when the magnetic chambers 110 in the shell 100 are evenly distributed on the N equal points (or top angles), the multiple fixed columns 120 and / or the multiple magnetic chambers 110 are supported and connected through the connecting rods, so as to improve the overall strength of the shell 100 and prolong the service life of the shell 100. Moreover, the structure of the connecting rod does not excessively increase the weight and material of the magnetic building blocks, can ensure that the weight and material of the structure of the magnetic building blocks are small enough, so as to facilitate the children to take, and is also beneficial to saving the production cost.

[0034] In the embodiment, the connecting rod includes a first connecting rod 130 and a second connecting rod 140, and the first connecting rod 130 and the second connecting rod 140 are both cross-shaped, the first connecting rod 130 is used for supporting and connecting the multiple fixed columns 120, and the second connecting rod 140 is used for supporting and connecting the multiple magnetic chambers 110. It can be understood that the bifurcation points of the first connecting rod 130 and the second connecting rod 140 are located at the gravity center position of the inner cavity of the shell 100, at this time, the bifurcation points of the first connecting rod 130 and the second connecting rod 140 overlap, so that the weight distribution in the shell 100 is more uniform, and the use feeling is improved. In other embodiments of the utility model, only the first connecting rod 130 or the second connecting rod 140 can be arranged in the shell 100.

[0035] In the embodiment, the inner side wall of the end cover 200 is provided with a plug-in column 210 at the position corresponding to the fixed column 120, and the plug-in column 210 is plug-in fixed with the fixed column 120. In other embodiments of the utility model, the plug-in column 210 can be set to the hollow column structure capable of plug-in matching the fixed column 120. Moreover, the plug-in column 210 can be replaced by a connecting hole, and the connecting hole can be fixedly connected with the fixed column 120 through a fixing piece (such as a bolt, a screw, etc.).

[0036] Please refer to Figure 4Fig. 4 shows a magnetic building block structure according to a second embodiment, which is different from the first embodiment in that the shell 100 is a hollow fan-shaped column structure. The inner side wall of the shell 100 is formed with a magnetic chamber 110 at each of the three top corners, and a fixed column 120 is arranged between each two magnetic chambers 110. That is, the three magnetic chambers 110 are distributed at the three top corners of the shell 100, and the number of fixed columns 120 is also three, with each fixed column 120 located at the midpoint between two magnetic chambers 110.

[0037] It can be understood that, due to the change in the shape and the position of the center of gravity of the shell 100, the first connecting rod 130 is a Y-shaped connecting rod, and the second connecting rod 140 is a vertical symbol-shaped connecting rod.

[0038] Please refer to Fig. 5 Figure 5 Fig. 5 shows a magnetic building block structure according to a third embodiment, which is different from the first embodiment in that the shell 100 is a hollow triangular prism structure. The inner side wall of the shell 100 is formed with a magnetic chamber 110 at each of the three top corners, and a fixed column 120 is arranged between each two magnetic chambers 110. That is, the three magnetic chambers 110 are distributed at the three top corners of the shell 100, and the number of fixed columns 120 is also three, with each fixed column 120 located at the midpoint between two magnetic chambers 110.

[0039] It can be understood that, due to the change in the shape and the position of the center of gravity of the shell 100, the first connecting rod 130 and the second connecting rod 140 are both Y-shaped connecting rods.

[0040] Please refer to Fig. 6 Figure 6 Fig. 6 shows a magnetic building block structure according to a fourth embodiment, which is different from the first embodiment in that the shell 100 is a special column structure formed by cutting a half cylinder from one side of a hollow rectangular prism, and the inner side wall of the shell 100 is formed with a magnetic chamber 110 at each of the four top corners and the positions of the two equal division points of the arc-shaped side wall. It can be understood that, when the plurality of magnetic chambers 110 of the shell 100 are distributed at the top corners and the N equal division points, at least one magnetic chamber 110 located at the N equal division point is connected to the opposite inner wall (or another magnetic chamber 110) through a partition 150, so as to divide the shell 100 into M (M is a positive integer greater than or equal to two) unit cavities 160.

[0041] In the embodiment, the magnetic chamber 110 is formed on the bisection point of one inner wall of the shell 100, and the magnetic chamber 110 is connected with the inner wall through the partition plate 150 to divide the shell 100 into two unit cavities 160. In each unit cavity 160, the inner wall of the shell 100 is provided with a fixed column 120 between each two magnetic chambers 110 and between the partition plate 150 and the magnetic chamber 110. In other embodiments of the utility model, the magnetic chamber 110 can be formed on the N bisection points of multiple inner walls at the same time, and the N bisection points of the multiple inner walls can be the same or different.

[0042] It can be understood that the multiple fixed columns 120 and / or the multiple magnetic chambers 110 in the same unit cavity 160 are connected through the connecting rods. In the embodiment, the connecting rods include the first connecting rod 130 and the third connecting rod 170, wherein the first connecting rod 130 is a Y-shaped connecting rod, and the third connecting rod 170 is a long strip-shaped connecting rod. The third connecting rod 170 is used for supporting and connecting a pair of magnetic chambers 110 and fixed columns 120 in the unit cavity 160 in the inclined direction, and the third connecting rod 170 is connected with the bifurcation point of the first connecting rod 130. It can be understood that the setting mode of the connecting rod can realize the supporting action with the least number of connecting rods. In other embodiments of the utility model, the connecting rod can be set as the combination of the second connecting rod 140 and the third connecting rod 170, the combination of the first connecting rod 130 and the second connecting rod 140, etc.

[0043] For the sake of clarity, some features described in separate embodiments of the utility model can be combined for use in a single embodiment. Moreover, various features of the utility model described in a single embodiment can also be used in separate or in any suitable form in sub-combinations.

Claims

1. A magnetic building block structure, comprising a shell and end caps fixedly connected to the shell, characterized in that, The housing is a hollow cylindrical structure. Multiple magnetic chambers are formed on the inner sidewall of the housing at the apex and / or N equidistant points. Multiple fixing posts are formed on the inner sidewall of the housing at the alternating positions of the magnetic chambers. Each magnetic chamber extends between the two ends of the housing to accommodate a magnetic block. Each fixing post extends between the two ends of the housing to fix the end cap. When the magnetic chambers within the housing are all distributed at the apex or N equal division points, the multiple fixed columns and / or multiple magnetic chambers are supported and connected by connecting rods; when the magnetic chambers within the housing are simultaneously distributed at the apex and N equal division points, at least one magnetic chamber located at the N equal division point is connected to the opposite inner wall or another magnetic chamber through a partition to divide the housing into M unit cavities, and the multiple fixed columns and / or multiple magnetic chambers within the same unit cavity are supported and connected by the connecting rods, wherein N and M are both positive integers greater than or equal to two.

2. The magnetic building block structure as described in claim 1, characterized in that, The connecting rod includes a first connecting rod and / or a second connecting rod, wherein the first connecting rod is used to support and connect multiple fixed columns, and the second connecting rod is used to support and connect multiple magnetic chambers.

3. The magnetic building block structure as described in claim 2, characterized in that, The bifurcation points of the first connecting rod and the second connecting rod are both located at the center of gravity of the inner cavity of the housing or the unit cavity.

4. The magnetic building block structure as described in claim 3, characterized in that, The connecting rod also includes a third connecting rod, which is used to support and connect the magnetic chamber and the fixed column located in the inclined direction in the unit cavity. The third connecting rod is connected to the bifurcation point of the first connecting rod or the second connecting rod.

5. The magnetic building block structure as described in claim 1, characterized in that, The number of housings is one, and the number of end caps is two. The shape of the end caps is adapted to the end face shape of the housings, and the inner sidewall of the end caps is provided with a plug-in post or a connecting hole at a position corresponding to the fixing post. The plug-in post is plugged into and fixed to the fixing post, and the connecting hole is fixedly connected to the fixing post through a fastener.

6. The magnetic building block structure as described in claim 5, characterized in that, Each of the magnetic chambers is divided into two chambers by a baffle. Each chamber is used to movably accommodate the magnetic block, and each chamber is provided with a limiting block to restrict the range of motion of the magnetic block.

7. The magnetic building block structure as described in any one of claims 1-6, characterized in that, The shell is a cylindrical structure. The inner sidewall of the shell has four magnetic chambers formed at the four equal division points. A fixed post is provided between every two magnetic chambers on the inner sidewall of the shell. The fixed post is located at the midpoint between two magnetic chambers.

8. The magnetic building block structure as described in any one of claims 1-6, characterized in that, The shell is a fan-shaped column structure. A magnetic chamber is formed at each of the three apex positions on the inner sidewall of the shell. A fixed column is provided between every two magnetic chambers on the inner sidewall of the shell. The fixed column is located at the midpoint between the two magnetic chambers.

9. The magnetic building block structure as described in any one of claims 1-6, characterized in that, The shell is a triangular prism structure. A magnetic chamber is formed at each of the three vertices of the inner wall of the shell. A fixed post is provided between every two magnetic chambers on the inner wall of the shell. The fixed post is located at the midpoint between the two magnetic chambers.

10. The magnetic building block structure as described in any one of claims 1-6, characterized in that, The shell is an irregular cylindrical structure formed by cutting off a semi-cylinder from one side of a cuboid. A magnetic chamber is formed at each of the four vertices and at the bisection point of the arc-shaped sidewall on the inner sidewall of the shell. In each unit cavity, a fixed column is provided on the inner sidewall of the shell between every two magnetic chambers and between the partition and the magnetic chamber.

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