Portable folding keyboard

The utility model provides a portable folding keyboard, be equipped with major key panel, function keys area, editing keyfield, digital bonding region respectively on four keyboard body, editing keyfield, digital bonding region setting are one keyboard body is last, and the keyboard body both sides that lie in the intermediate position are equipped with a connecting rod respectively, and the keyboard body one side that lies in both sides is equipped with a connecting rod, lies in the keyboard body bottom and plastics pan head screw threaded connection of both sides, and the line wheel sets up at keyboard body inboardly, and four keyboard body concatenate together through the wire, and lie in left keyboard body and connect USB through the wire and connect, the utility model discloses simple structure can follow the rivet and fold into a square with the keyboard when going out to carry, portable, and the wiring that connects of unnecessary USB simultaneously can be twined the rotary drum outside on the face of