The oil filter comprises a body, and a silencer tube is arranged in the middle of the body, the upper end of the silencer tube is externally extended, and the top of the silencer tube is an oil outlet, and the bottom of the silencer tube is connected with the core tube through a fastener, and the core tube is provided with a filter body. The filter body is provided with a filter screen, and the inlet wall of the lower part of the core tube is symmetrically opened with an oil inlet. Advantages of this product: The hydraulic oil enters the body, the silencer tube can stabilize the flow rate, enter the filter body from the oil inlet, the hydraulic flow tends to be constant, and smoothly enters the oil pump, and the noise is small.

An oil filter assembly having a receiving chamber closable by means of a cap element and a support tube fixed in the receiving chamber and spring-loaded for accommodating a filter element capable of flowing radially through the oil, wherein the support tube of the product Provided to be movable between the working position and the discharge position in the axial direction such that in the working position the support tube of the product closes the discharge opening when the receiving chamber is closed by the cover element and in the discharge position when the receiving chamber is open The support tube opens the discharge opening, wherein the top cover member has a support tube contact area on a side thereof facing the receiving chamber such that the support tube of the product is directly supported by the support tube when the filter element is disposed on the support tube and when the receiving chamber is closed The contact area is loaded and moved to the working position.