The invention relates to an automatic waterproof sealing cushion. The upper and lower surfaces of the automatic waterproof sealing cushion are in contact with the lower surface of a lower protective cover of a steering column and the upper surface of floor sheet metal respectively; a first through hole for the steering column to pass through is formed in the middle part of the sealing cushion; a first sealing rib ring is arranged on the upper surface of the sealing cushion and around an outer circumference of the bottom of a cover body of the lower protective cover of the steering column; a second through hole for the steering column to pass through is formed in the lower surface of the sealing cushion and around the floor sheet metal; a second sealing rib ring is arranged at an outer circumference of the second through hole; a third sealing rib ring is arranged on the sealing cushion and positioned between an outer edge of the sealing cushion and the floor sheet metal; a fourth sealing ring is arranged at an outer circumference of a third through hole on the lower surface of the sealing cushion around a fixed cap peak part and the floor sheet metal; and a plurality of cross recesswater blocking structures near the first through hole are arranged on the upper surface of the sealing cushion and positioned in a region formed by the first sealing rib ring. According to the design, good waterproof seal of an automobile body at the opening of the steering column is realized, and normal motion of the steering column is not affected.
一种汽车防水密封垫,其上、下表面分别与转向柱下护罩的下表面、地板钣金的上表面相接触,密封垫的中部开设有供转向柱穿过的一号通孔,密封垫的上表面上绕转向柱下护罩的罩体底部外周圈设置有第一密封筋圈,密封垫的下表面上绕地板钣金上开设有供转向柱穿过的二号通孔的外周圈设置有第二密封筋圈,密封垫上位于其外边缘与地板钣金之间的部位设置有第三密封筋圈,密封垫的下表面上绕固定帽檐部与地板钣金的三号通孔外周圈设置有第四密封筋圈,密封垫的上表面上位于第一密封筋圈围合而成的区域内还设置有多个靠近一号通孔的十字槽挡水结构。本设计不仅实现了车身在转向柱开口处良好的防水密封,而且不会影响转向柱的正常运动。
Automatic waterproof sealing cushion
一种汽车防水密封垫
2020-08-28
Patent
Electronic Resource
Chinese
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