A Self-sealing Fiber Splitting Box

The utility model discloses a self-sealing fiber splitting box, comprising a box body and a box lid and a rotary arm which are hinged to the left side of the box body. The rotary arm is positioned in the box body and the box lid. A wire inlet for entry of incoming wires and a wire outlet for exit of outgoing wires are provided on a lower side of the box body. The fiber splitting box is characterized in that an upper accommodating chamber is provided on the right side of the box lid, while a lower accommodating chamber is provided on the right side of the box body; the upper accommodating chamber and the lower accommodating chamber correspond to each other in position, and both the upper accommodating chamber and the lower accommodating chamber are internally provided with a magnetic actuating material. According to the utility model, the box body and the box lid fit by means of self-actuating magnets. For users who frequently open the box lid, the utility model is convenient to use and time-saving. Moreover, the rotary arm is provided with two units for connection with users, an adapter and an optical fiber fuse, such that users can make selection upon actual situations.