Gear box cover of speed reducer of driving motor of new energy automobile

The utility model discloses a new energy automobile drive motor reducer gear box cover which comprises a fixing block and an upper screw hole, the upper screw hole is formed in the fixing block, a cover body is arranged at the bottom end of the fixing block, a fixing bottom sleeve is welded to the surface of a cover hole of the cover body, and a dust cover is connected to the top end of the fixing bottom sleeve. The top end of the dustproof cover is provided with the top end connector, the top end connector is made of rubber, and the dustproof cover is sleeved on the outer side of the transmission shaft of the driving motor through the top end connector, so that dust is prevented from entering the driving motor or a speed reducer gear box from a gap of the transmission shaft while rotation of the transmission shaft is not affected; compared with a traditional gear reducer gear box cover, the dustproof gear box cover plays an effective dustproof role, prevents dust from entering a driving motor and a speed red