Damper capable of controlling height of vehicle

The utility model relates to a split connecting piece of an armor chain of a tyre, which is used for the structural improvement of the antiskid of vehicle tyres and the protection of the armor chain. The middle of a shackle which is used as a connecting piece is provided with a pin, and the pin is a cylinder elastic pin; the outer side of the pin is provided with a bushing; two surfaces of the bushing, which correspond to the inner walls of a shackle body, are provided with two concave surfaces; the radian of the concave surfaces corresponds to the radian of the inner walls of the shackle body; the spacing of other two side surfaces of the bushing correspond to the thickness of the shackle body; shoulders of the bushing and opening ends of the shackle body are in lap joint. Because the outer side of the pin of the shackle body is provided with the bushing, the shoulders of the bushing and the two opening end parts are in the lap joint, the damages of the opening end parts of the shackle body can be avoided. The utility model has the characteristics of reasonable structure, reliable connection, difficult damages for the shackle body, etc. The utility model is especially suitable for the connection of the head and the tail of the armor chain protected by the tyres and the connection of side chains.