Air filter convenient to install for hydraulic oil tank

The utility model discloses an air filter convenient to install for a hydraulic oil tank, which comprises a filter cover in threaded connection with the upper end of the oil tank, the filter cover is in threaded connection with a filter element extending into the oil tank along the vertical direction, and a supporting piece is constructed at the lower end of the filter cover. The supporting piece is arranged outside the filter element in a sleeving manner and is propped against the outer wall of the filter element. According to the utility model, the quick disassembly and assembly of the filter and the hydraulic oil tank are facilitated, and the filter element is convenient to disassemble and replace when the filter element needs to be replaced. The dismounting device is suitable for the technical field of dismounting of the air filter on the hydraulic oil tank. 本实用新型公开了一种液压油箱用便于安装的空气过滤器，包括螺纹连接于油箱上端的过滤器盖，所述过滤器盖螺纹连接有沿竖向伸入油箱内的过滤芯，于过滤器盖的下端构造有支护件，所述支护件套设于过滤芯外并抵接于过滤芯的外壁上。本实用新型实现了便于其与液压油箱的快速拆卸及安装，且在需更换过滤芯时，方便过滤芯的拆卸