The gearbox casing with strong sealing performance is disclosed in the abstract of the instruction manual. The utility model discloses a gearbox casing with strong sealing performance, which includes a casing and an end cover. One end of the casing is fixedly connected with a receiving ring, and one end of the receiving ring is located inside the end cover. The gearbox end cover and the casing are fixed with bolts, and the end near the end cover of the casing is uniformly provided with several sliding grooves. The sliding groove inside the sliding groove is equipped with sliding blocks, A spring is arranged between the sliding block and the sliding groove, the upper end of the sliding block is fixedly connected with a push rod, one end of the push rod is fixedly connected with an arc-shaped sealing pad, one end of the shell rotates and is equipped with a rotating ring, one side of the push rod is equipped with a triangular block, one side of the triangular block is fixedly connected to the inner surface of the rotating ring, the inclined surface of the triangular block and one end of the push rod are in contact with each other, and one side of the rotating ring is equipped with a one-way component that matches the rotation of the shell, The outer circular surface sleeve of the rotating ring is equipped with a gear rack, which meshes with the unidirectional component. The utility model has a reasonable structure and solves the problem of poor sealing between the traditional gearbox housing and the gearbox end cover.

The utility model discloses a gearbox casing with strong sealing performance, which is disclosed in the claims: 1. A gearbox casing with strong sealing performance, comprising a casing 1 and an end cover 2 located at one end of the casing 1, characterized in that one end of the casing 1 near the end cover 2 is fixedly connected with a receiving ring 3, one end of the receiving ring 3 is located inside the end cover 2, and the reducer end cover 2 and the casing 1 are fixed with bolts, The shell 1 is uniformly provided with several sliding channels 4 at one end near the end cover 2. The sliding channel 4 is arranged outside the receiving ring 3, and the sliding channel 4 is radially arranged. The sliding channel 4 is internally equipped with a sliding block 5, and a spring 6 is arranged between the sliding block 5 and the sliding channel 4. The two ends of the spring 6 are fixedly connected to the sliding block 5 and the sliding channel 4, and the upper end of the sliding block 5 is fixedly connected to a push rod 7, and one end of the push rod 7 is fixedly connected to an arc-shaped sealing pad 8, One end of the shell 1 rotates and is equipped with a rotating ring 9, which is concentric with the receiving ring 3. One side of the push rod 7 is equipped with a triangular block 10, and one side of the triangular block 10 is fixedly connected to the inner surface of the rotating ring 9. The inclined surface of the triangular block 10 and one end of the push rod 7 are in contact with each other. One side of the rotating ring 9 is equipped with a one-way component 11 that rotates and fits with the shell 1. The outer circular arc surface of the rotating ring 9 is sleeved with a gear rack 12, The gear rack 12 and the unidirectional component 11 mesh with each other.