Input shaft structure with waterproof breathable plug

• Main Authors: GUO ZHANJIE, CHEN CHONGBIN, ZHU DONGBO
• Format: Patent
• Language: Chinese; English
• Published: 10.12.2021
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; LIGHTING; MECHANICAL ENGINEERING; MOTOR VEHICLES; PERFORMING OPERATIONS; THERMAL INSULATION IN GENERAL; TRAILERS; TRANSPORTING; WEAPONS

The input shaft structure comprises an input shaft, the end portion of the inner end of the input shaft is installed on a shell of a steering gear in a rotating and sealing mode, the inner end of the input shaft is located in an inner cavity of the shell, the input shaft is provided with a central through hole, the central through hole is communicated with the inner cavity, and the plug is arranged at the outer end of the central through hole. The input shaft is arranged to be of a hollow structure, the hollow shaft is communicated with the inner cavity of the steering gear shell, and the waterproof and breathable plug is arranged in the port of the outer end of the input shaft, so that water vapor or dust can be effectively prevented from entering the steering gear shell while air pressure balance between the interior and the exterior of the steering gear shell is guaranteed; the service life and the sealing structure of the automobile steering device are not influenced; the waterproof ventilation structure