Jumper-connection-free optical cable cross-connecting box

The utility model provides a jumper-connection-free optical cable cross-connecting box which comprises a box body and a heat dissipation mechanism arranged in the box body, symmetrically-arranged heat dissipation grooves are formed in the side walls of the two ends of the box body, the jumper-connection-free optical cable cross-connecting box further comprises an air exhaust frame, a sealing assembly and a driving mechanism, the air exhaust frame is arranged at the top of the box body, and evenly-distributed air exhaust holes are formed in the bottom of the air exhaust frame; the exhaust frame is further connected with the heat dissipation mechanism, the sealing assembly is arranged on the side wall of the box body and used for blocking the heat dissipation groove so that hot air in the box body can be exhausted from an exhaust hole in the bottom of the exhaust frame, and the driving mechanism is arranged on the side wall of the box body and used for controlling the sealing assembly to turn over and controlli