4. 本发明涉及电传导的连接装置和电器设备技术领域，尤其涉及将普通的墙

And electrical connection means 4. TECHNICAL FIELD The present invention relates to electrically conductive, more particularly to an ordinary wall outlet or buried in a socket outlet or power strip is modified to upgrade BALM Variety socket, comprising mains outlet various bright output cassette cartridge is mounted or installed. With the development of electronic technology, there are now a large number of small-scale electrical equipment, such as mobile phones, tablets, cameras, etc., and these electronic products are mostly powered through the USB interface, you can also access through WiFi or Bluetooth wireless. However, when using the conventional socket requires external USB power supply (battery charger), a power outlet is not convenient to use, and power supply external USB socket on a surface is convex, a large space.

4. The present invention relates to electrically conductive connecting devices and electrical equipment technology, in particular, the ordinary wall power outlet or buried power outlet or power outlet in the socket to be improved into an expandable upgrade of the persimmon socket, including the light box installation or the installation of a variety of municipal outlets. With the development of electronic technology, there are a large number of small electrical devices, such as mobile phones, tablets, cameras, and so on, and most of these electronic seisrides are powered by USB interfaces, or through WiFi or Blue Bud wireless Internet access. However, when using an existing socket, you need to external USB power supply (charger) on the power outlet, the use is not convenient, and the external USB power supply is protruding from the socket surface, taking up a large space.

4. The invention relates to the technical field of the connection device and the electrical equipment of the electric conduction, in particular to the improvement of the ordinary wall power socket or the buried power socket or the socket in the power strip plug into an expandable and upgraded hundred change socket, including various sockets with the commercial power output installed in the open box or the dark box. With the development of electronic technology, there are a large number of small-scale electrical equipment, such as mobile phones, tablets, cameras, and so on. Most of these electronic products are powered by USB interface, and can also access the Internet through WiFi or Bluetooth wireless. However, when using the existing socket, it is not convenient to use the external USB power supply (charger) on the power socket. Moreover, the external USB power supply protrudes from the socket surface and takes up a large space.<br>