Sleeve air spring assembly and adjustable assembly

The utility model belongs to the technical field of air springs, and particularly relates to a sleeve type air spring assembly and an adjustable assembly. The connecting assembly comprises an upper cover, the upper cover is arranged at an upper end opening of the leather bag, and L-shaped pipelines are symmetrically arranged in the upper cover; the air inlet assembly is mounted in the upper cover; the piston is arranged at the lower end opening of the leather bag, a threaded groove is formed in the bottom of the piston, the different heights of inflation and deflation are controlled according to the different heights of an air valve of the air inlet assembly, the air valve is arranged in the upper cover, and the air valve is prevented from being damaged after being collided outside. And the piston can be added into an external buffer part, so that the air spring can be better buffered. 本实用新型属于空气弹簧技术领域，具体涉及袖式空气弹簧组件以及可调节组件，包括：皮囊，所述皮囊分别开设有上端口和下端口；连接组件，所述连接组件包括上盖，所述上盖设置在所述皮囊的上端口，所述上盖内对称设置有L型管道；进气组件，所述进气组件安装在所述上盖内