Hydraulic oil cylinder

The utility model relates to a hydraulic pressure technical field, specifically be a hydraulic oil cylinder, including jar seat (1), cylinder (2), cylinder cap (3) and piston (4), be fixed with long hollow pipe (8) on the outer periphery of cylinder (2), extend along the axis direction of cylinder (2) long hollow pipe (8), the hollow middle part of long hollow pipe (8) forms oil duct (9), the oneend near jar seat (1) of long hollow pipe (8) has second hydraulic fluid port (10), the one end near cylinder cap (3) of long hollow pipe (8) is equipped with jam (11), lateral wall between cylinder (2) and long hollow pipe (8) has logical hydraulic fluid port (12), lead to hydraulic fluid port (12) and second oil pocket (6) intercommunication. The utility model provides a first hydraulic fluid port and second hydraulic fluid port lie in same one side of hydraulic oil cylinder to compact structure makes things convenient for oil transportation and hydraulic oil cylinder easy to assemble. 本实用新型涉及液压技术领域，具体讲的是种液压油缸，包括缸座(