Spring piston sealing cover

The spring piston sealing cover comprises a cover body and is characterized in that a sealing cover inner baffle ring is arranged on the edge of the cover body, a tensioning assembly is arranged on the inner side of the sealing cover inner baffle ring, the sealing cover inner baffle ring is matched with the tensioning assembly in an inserted connection mode, a sealing cover outer baffle ring is arranged on the outer side of the sealing cover inner baffle ring, and the sealing cover outer baffle ring is matched with the tensioning assembly in an inserted connection mode. And a buffer block is arranged in the cover body. The tensioning assembly can strengthen connection between the cylinder body or the air bag and the sealing cover when the suspension is subjected to large impact, and it is guaranteed that the suspension can work stably under various conditions. 本实用新型弹簧活塞密封盖，包括盖体，其特征在于，所述盖体边缘处设置有密封盖内挡环，所述密封盖内挡环的内侧设置有张紧组件，所述密封盖内挡环与所述张紧组件插接配合，所述密封盖内挡环的外侧设置有密封盖外挡环，所述盖体的内部设置有缓冲块。张紧组件可以在悬挂受到较大冲击时，强化缸体或气囊与密封盖之间的连接，保证