Building block and building block set having the same

Abstract

A building block includes a main body comprising a plug module and a socket module. The plug module includes a plug body, a plug protruding from one side of the plug body and defining a first chamber, a number of first magnets arranged within the first chamber, and an insulating protrusion formed on a bottom of the first chamber. The socket module includes a socket body defining a second chamber, a number of second magnets arranged within the second chamber, and an insulating recess defined in a bottom of the second chamber. The first magnets and the second magnets are arranged in such a way that the first magnets of one of two building blocks are able to be magnetically connected to the second magnets of the other one of two building blocks.

What is claimed is: 
     
         1 . A building block comprising:
 a main body comprising a plug module and a socket module;   wherein the plug module comprises a plug body, a plug protruding from one side of the plug body and defining a first chamber, a plurality of first magnets arranged within the first chamber, and an insulating protrusion formed on a bottom of the first chamber;   the socket module comprises a socket body defining a second chamber, a plurality of second magnets arranged within the second chamber, and an insulating recess defined in a bottom of the second chamber;   the first magnets and the second magnets are arranged in such a way that the first magnets of one of two building blocks are able to be magnetically connected to the second magnets of the other one of two building blocks.   
     
     
         2 . The building block according to  claim 1 , wherein the plug module further comprises a first plastic circuit board connected to the plug body at a side opposite the plug, and a plurality of connection terminals protruding from the insulating protrusion and electrically connected to the first plastic circuit board, the socket module further comprises a second plastic circuit board fixedly connected to the socket body at a side opposite the second chamber, and a plurality of terminal holes formed in a bottom of the insulating recess. 
     
     
         3 . The building block according to  claim 2 , wherein the first chamber and the second chamber are rectangular, the first magnets are evenly arranged in the first chamber, and the second magnets are evenly arranged in the second chamber. 
     
     
         4 . The building block according to  claim 3 , wherein the insulating protrusion comprises a base and a plurality of arms connected to and evenly arranged around the base, each of the arms is located between two adjacent ones of the first magnets, one of the connection terminals is located in a center of the protrusion, and the other ones of the connection terminals are arranged around the one of the connection terminals; the insulating recess and the terminal holes are respectively shaped and sized according to the insulating protrusion and the connection terminals, the insulating recess comprises a plurality of branches that are arranged according to the arms of the insulating protrusion. 
     
     
         5 . The building block according to  claim 4 , wherein a number of the connection terminals is four, a first one of the connection terminals is located in a center of the protrusion, a second one of the connection terminals is located at an end of a first one of the arms, a third one of the connection terminals is located at a joint where a second one of the arms is connected to the base, and a fourth one of the connection terminals is located at a joint where a third one of the arms is connected to a fourth one of the arms; a first one of the terminal holes is located in a center of the insulating recess, four second ones of the terminal holes are respectively arranged at joints where two adjacent ones of the branches are connected to each other, and a plurality of third ones of the terminal holes are respectively arranged along the branches. 
     
     
         6 . The building block according to  claim 2 , wherein a diameter of each of the terminal holes gradually decreases from outside to inside. 
     
     
         7 . The building block according to  claim 1 , wherein the main body further defines a plurality of connection holes that are configured to connect with an external component. 
     
     
         8 . The building block according to  claim 1 , wherein the main body is cubic, the plug module is located on a first side of the main body, and the socket module is located on a second side of the main body. 
     
     
         9 . The building block according to  claim 1 , wherein the main body is of a triangular prism, the plug module is located on a first rectangular side of the main body, and the socket module is located on a second rectangular side of the main body. 
     
     
         10 . A male building block comprising a plug body, a plug protruding from a first side of the plug body and defining a first chamber, a plurality of first magnets arranged within the first chamber, a first plastic circuit board connected to a second side of the plug body opposite the plug, and a plurality of connection terminals arranged within the first chamber and electrically connected to the first plastic circuit board. 
     
     
         11 . A female building block for mating with a male building block, the male building block comprising a plug body, a plug protruding from a first side of the plug body and defining a first chamber, a plurality of first magnets arranged within the first chamber, a first plastic circuit board connected to a second side of the plug body opposite the plug, and a plurality of connection terminals arranged within the first chamber and electrically connected to the first plastic circuit board; the female building block comprising:
 a socket body defining a second chamber allowing insertion of the plug thereinto, a plurality of second magnets that are arranged within the second chamber and configured to be magnetically connected to the first magnets of the male building block, a second plastic circuit board connected to a side of the socket body opposite the second chamber, and a plurality of terminal holes arranged within the second chamber and electrically connected to the second plastic circuit board, the terminal holes being configured to receive the connection terminals therein.