Improved hydraulic oil cylinder

The utility model relates to the technical field of hydraulic oil cylinders. The improved hydraulic oil cylinder comprises a cylinder base, a cylinder barrel, a barrel plug and a piston rod extendingout of the barrel plug, the cylinder base, the cylinder barrel and the barrel plug are fixedly connected in sequence from bottom to top, the upper end of the barrel plug is fixedly connected with a cleaning mechanism arranged outside the piston rod in a sleeving mode, and a fixing mechanism is arranged outside the cylinder base, the cylinder barrel and the barrel plug. The hydraulic oil cylinder can prevent impurities from entering the cylinder barrel to influence the service life of the hydraulic oil cylinder, and can realize quick connection among the cylinder base, the cylinder barrel and the barrel plug. 本实用新型涉及液压油缸技术领域，且公开了改进型液压油缸，包括缸座、缸筒、筒塞及伸出筒塞外的活塞杆，所述缸座、缸筒和筒塞从下至上依次固定连接，所述筒塞的上端固定连接有套设在活塞杆外的清理机构，所述缸座、缸筒和筒塞外设有固定机构。本实用新型能够避免杂质进入缸筒内影响液压油缸使用寿命的问题，能够实现缸座、缸筒和筒塞之间的快速连接。