Sealing structure for connecting part of automobile steering device

The utility model discloses an automobile steering gear connecting part sealing structure which comprises a dash board, a protective shell is arranged below the dash board, a rack shell is connected below the protective shell, a rubber sealing cover is arranged between the protective shell and the dash board, a steering shaft is arranged in the protective shell, and the top of the steering shaft penetrates out of the rubber sealing cover and the dash board in sequence. The bottom end of the steering shaft enters the rack shell, a cavity is formed in the middle of the rubber sealing cover, a sealing groove is formed in the top of the rubber sealing cover and makes contact with the bottom of the front wall plate, and the rubber sealing cover is arranged at the top of a protective shell. The diameter of the connecting portion of the rack shell is smaller than that of the lower portion of the protective shell, the rack shell is inserted into the protective shell, a groove is formed in the connecting portion of th